Nagornov, Nikolay Nikolaevich
PhD in Engineering
Publications
41
Citations
564
h-index
9
Laboratory of Mathematical Modeling
Senior Researcher
- 2019 8th Mediterranean Conference on Embedded Computing (MECO) (1)
- 2020 9th Mediterranean Conference on Embedded Computing (MECO) (1)
- 2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus) (1)
- 2022 11th Mediterranean Conference on Embedded Computing (MECO) (2)
- 6TH MEDITERRANEAN CONFERENCE ON EMBEDDED COMPUTING (MECO) (1)
- Applied Sciences (Switzerland) (2)
- Cancers (1)
- Computer Optics (3)
- Electronics (Switzerland) (1)
- IEEE Access (6)
- IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus) (1)
- International Conference on Engineering and Telecommunication (EnT) (1)
- Lecture Notes in Networks and Systems (3)
- Mathematics (3)
- Mathematics and Computers in Simulation (1)
- Mathematics and its Applications in New Computer Systems: MANCS-. Lecture Notes in Networks and Systems (424) (1)
- Microprocessors and Microsystems (1)
- Neurocomputing (1)
- Optoelectronics, Instrumentation and Data Processing (1)
- Pattern Recognition and Image Analysis (1)
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Abdulkadirov R., Lyakhov P., Butusov D., Nagornov N., Kalita D.
In this paper, we propose a physics-informed neural network controller for quadcopter dynamics modeling. Physics-aware machine learning methods, such as physics-informed neural networks, consider the UAV dynamics model, solving the system of ordinary differential equations entirely, unlike proportional–integral–derivative controllers. The more accurate control action on the quadcopter reduces flight time and power consumption. We applied our fractional optimization algorithms to decreasing the solution error of quadcopter dynamics. Including advanced optimizers in the reinforcement learning model, we achieved the trajectory of UAV flight more accurately than state-of-the-art proportional–integral–derivative controllers. The advanced optimizers allowed the proposed controller to increase the quality of the building trajectory of the UAV compared to the state-of-the-art approach by 10 percentage points. Our model had less error value in spatial coordinates and Euler angles by 25–35% and 30–44%, respectively.
Abdulkadirov R., Lyakhov P., Butusov D., Nagornov N., Reznikov D., Bobrov A., Kalita D.
The current development of machine learning has advanced many fields in applied sciences and industry, including remote sensing. In this area, deep neural networks are used to solve routine object detection problems, satisfying the required rules and conditions. However, the growing number and difficulty of such problems cause the developers to construct machine learning models with higher computational complexities, such as an increased number of hidden layers, epochs, learning rate, and rate decay. In this paper, we propose the Yolov8 architecture with decomposed layers via canonical polyadic and Tucker methods for accelerating the solving of the object detection problem in satellite images. Our positive–negative momentum approaches enabled a reduction in the loss in precision and recall assessments for the proposed neural network. The convolutional layer factorization reduces the shapes and accelerates the computations at kernel nodes in the proposed deep learning models. The advanced optimization algorithms achieve the global minimum of loss functions, which makes the precision and recall metrics superior to the ones for their known counterparts. We examined the proposed Yolov8 with decomposed layers, comparing it with the conventional Yolov8 on the DIOR and VisDrone 2020 datasets containing the UAV images. We verified the performance of the proposed and known neural networks on different optimizers. It is shown that the proposed neural network accelerates the solving object detection problem by 44–52%. The proposed Yolov8 with Tucker and canonical polyadic decompositions has greater precision and recall metrics than the usual Yolov8 with known analogs by 0.84–0.94 and 0.228–1.107 percentage points, respectively.
Abdulkadirov R.I., Lyakhov P.A., Baboshina V.A., Nagornov N.N.
Abdulsalyamova A., Abdulkadirov R., Lyakhov P., Nagornov N.
The main problem of artificial intelligence is increasing productivity and quality of problem solutions. Due to the growing architecture of modern neural networks, one needs to engage advanced mathematical methods. Deep learning models use more hardware resources, which increases the computational complexity. Therefore, it is necessary to apply modifications of machine learning models at a fundamental level using alternative matrix multiplication methods. This article proposes a comparative analysis of the computational complexity of matrix multiplication implemented by the standard Strassen and Strassen-Winograd methods. We consider data time complexity for int32, int64, float32, and float64 data types. In addition, the number of recursions for each matrix size is determined. According to the experimental results, we can conclude that the Strassen-Winograd matrix multiplication method has minimal time costs compared to the Strassen method and standard approaches by 3%–6% and 30%–40%, respectively. It is possible to incorporate such an approach into convolutional, spike, and auto-encoding layers.
Nagornov N.N., Lyakhov P.A., Bergerman M.V., Kalita D.I.
Kalita D.I., Lyakhov P.A., Nagornov N.N.
Lyakhov P.A., Nagornov N.N., Semyenova N.F., Abdulsalyamova A.S.
Abdulkadirov R.I., Lyakhov P.A., Nagornov N.N.
Kiladze M.R., Lyakhova U.A., Lyakhov P.A., Nagornov N.N., Vahabi M.
Lyakhov P., Semyonova N., Nagornov N., Bergerman M., Abdulsalyamova A.
Wavelets are actively used to solve a wide range of image processing problems in various fields of science and technology. Modern image processing systems cannot keep up with the rapid growth in digital visual information. Various approaches are used to reduce the computational complexity and increase computational speeds. The Winograd method (WM) is one of the most promising. However, this method is used to obtain sequential values. Its use for wavelet image processing requires expanding the calculation methodology to cases of downsampling. This paper proposes a new approach to reduce the computational complexity of wavelet image processing based on the WM with decimation. Calculations have been carried out and formulas have been derived that implement digital filtering using the WM with downsampling. The derived formulas can be used for 1D filtering with an arbitrary downsampling stride. Hardware modeling of wavelet image filtering on an FPGA showed that the WM reduces the computational time by up to 66%, with increases in the hardware costs and power consumption of 95% and 344%, respectively, compared to the direct method. A promising direction for further research is the implementation of the developed approach on ASIC and the use of modular computing for more efficient parallelization of calculations and an even greater increase in the device speed.
Lyakhov P.A., Bergerman M.V., Abdulkadirov R.I., Abdulsalyamova A.S., Nagornov N.N., Voznesensky A.S., Minenkov D.V., Kaplun D.I.
Sign detection is a non-modular operation in the residue number system (RNS). It requires the calculation of the number positional characteristic represented in the RNS. This work proposes a new sign detection method based on the Chinese Remainder Theorem (CRT) with fractional values implemented using the Wallace tree and the modified Kogge-Stone adder. Hardware modelling on FPGA for the proposed method shows that it provides 1.3 - 36.3 times less hardware costs than the other state-of-the-art (SOTA) methods, and for ASIC modelling the proposed method provides 1.14 - 35.74 times less hardware costs than the other SOTA methods. The presented sign detection method can be helpful in RNS-based devices in implementing comparison and division operations, providing an extension of the RNS application in areas such as cryptography, machine learning, and digital signal processing.
Abdulsalyamova A.S., Kalita D.I., Lyakhov P.A., Nagornov N.N., Bergerman M.V.
Lyakhova U.A., Bondarenko D.N., Boyarskaya E.E., Nagornov N.N.
Skin cancer is the most common cancer in humans today and is usually caused by exposure to ultraviolet radiation. There are many diagnostic methods for visual analysis of pigmented neoplasms. However, most of these methods are subjective and largely dependent on the experience of the clinician. To minimize the influence of the human factor, it is proposed to introduce artificial intelligence technologies that have made it possible to reach new heights in terms of the accuracy of classifying medical data, including in the field of dermatology. Artificial intelligence technologies can equal and even surpass the capabilities of an dermatologists in terms of the accuracy of visual diagnostics. The article proposes a web application based on a multimodal neural network system for recognizing pigmented skin lesions as an additional auxiliary tool for oncologist. The system combines and analyzes heterogeneous dermatological data, which are images of pigmented neoplasms and such statistical information about the patient as age, gender, and localization of pigmented skin lesions. The recognition accuracy of the proposed web application was 85.65%. The use of the proposed web application as an auxiliary diagnostic method will expand the possibilities of early detection of skin cancer and minimize the impact of the human factor.
Nagornov N.N., Semyonova N.F., Abdulsalyamova A.S.
Wavelets are actively used for solving of image processing problems in various fields of science and technology. Modern imaging systems have not kept pace with the rapid growth in the amount of digital visual information that needs to be processed, stored, and transmitted. Many approaches are being developed and used to speed up computations in the implementation of various image processing methods. This paper proposes the Winograd method (WM) to speed up the wavelet image processing methods on modern microelectronic devices. The scheme for wavelet image filtering using WM has been developed. WM application reduced the computational complexity of wavelet filtering asymptotically to 72.9% compared to the direct implementation. An evaluation based on the unit-gate model showed that WM reduces the device delay to 66.9%, 73.6%, and 68.8% for 4-, 6-, and 8-tap wavelets, respectively. Revealed that the larger the processed image fragments size, the less time is spent on wavelet filtering, but the larger the transformation matrices size, the more difficult their compilation and WM design on modern microelectronic devices. The obtained results can be used to improve the performance of wavelet image processing devices for image compression and denoising. WM hardware implementation on a field-programmable gate arrays and an application-specific integrated circuits to accelerate wavelet image processing is a promising direction for further research.
Lyakhov P.A., Nagornov N.N., Semyonova N.F., Abdulsalyamova A.S.
Modern computer technology devices do not keep pace with the high growth rate of quantitative and qualitative characteristics of digital images. The computational complexity of the wavelet transform must be reduced for the hardware-friendly implementation of wavelet image processing methods on microelectronic devices. This paper proposes a new approach to reduce the computational complexity of wavelet image processing based on the Winograd method. Group pixel processing using Winograd method reduces the asymptotic computational complexity by up to 72.9% compared to the traditional pixel-by-pixel processing approach, according to the results obtained. A theoretical evaluation of the resource costs of a wavelet image processing device based on the unit-gate model showed that Winograd method reduces device delay to 73.62% and device area to 34.03% compared to the direct implementation. The greatest reduction in resource costs is observed mainly when obtaining fragments of the processed image with 5 pixels. At the same time, the greatest rate of resource reduction is observed when obtaining fragments of the processed image with 3 pixels. Further increase in the fragments size leads to a significantly smaller reduction in resource costs while increasing the complexity of circuits design. Separation of filters into several components is more hardware-friendly when using high-order wavelets. Verification of all obtained results on field-programmable gate arrays and application-specific integrated circuits is a promising direction for further research.
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Ramesh E., Ganesan A., Lakshmi K.C., Natarajan P.M.
ObjectiveThe present study aims to employ and compare the artificial intelligence (AI) convolutional neural networks (CNN) Xception and MobileNet-v2 for the diagnosis of Oral leukoplakia (OL) and to differentiate its clinical types from other white lesions of the oral cavity.Materials and methodsClinical photographs of oral leukoplakia and non-oral leukoplakia lesions were gathered from the SRM Dental College archives. An aggregate of 659 clinical photos, based on convenience sampling were included from the archive in the dataset. Around 202 pictures were of oral leukoplakia while 457 were other white lesions. Lesions considered in the differential diagnosis of oral leukoplakia like frictional keratosis, oral candidiasis, oral lichen planus, lichenoid reactions, mucosal burns, pouch keratosis, and oral carcinoma were included under the other white lesions subset. A total of 261 images constituting the test sample, were arbitrarily selected from the collected dataset, whilst the remaining images served as training and validation datasets. The training dataset were engaged in data augmentation to enhance the quantity and variation. Performance metrics of accuracy, precision, recall, and f1_score were incorporated for the CNN model.ResultsCNN models both Xception and MobileNetV2 were able to diagnose OL and other white lesions using photographs. In terms of F1-score and overall accuracy, the MobilenetV2 model performed noticeably better than the other model.ConclusionWe demonstrate that CNN models are capable of 89%–92% accuracy and can be best used to discern OL and its clinical types from other white lesions of the oral cavity.
Kim K., Kim K., Shin Y.
This study presents a novel localization framework that leverages the unique properties of chirp signals combined with a time division multiple access (TDMA)-based tactical data link to achieve high-precision positioning. Chirp signals, with their wide bandwidth and high temporal resolution, enable an oversampling-like effect, significantly enhancing distance estimation accuracy without the need for additional sampling rates. The proposed framework integrates chirp-based ranging and localization algorithms, incorporating raised cosine interpolation and circular shift techniques to improve temporal resolution and ensure precise peak detection. By utilizing the time differential of arrival (TDoA) and Fang’s algorithm, the system demonstrates robust performance, effectively mitigating challenges posed by multipath interference and jamming. The TDMA system provides synchronized time slots, allowing the seamless integration of communication and localization functionalities while ensuring stable and efficient operation. Experimental evaluations under various environmental conditions, including dense multipath and high-jamming scenarios, confirm the framework’s superiority over conventional localization methods in terms of accuracy, reliability, and resilience. These results highlight the framework’s potential applications in diverse fields, such as Internet of Things (IoT) networks, smart city infrastructure, and tactical communication systems, where high precision and robust localization are critical.

Liu Y., Jiang S., Wang Y.
BackgroundStandardised management of chronic sinusitis (CRS) is a challenging but vital area of research. Not only is accurate diagnosis and individualised treatment plans required, but post-treatment chronic disease management is also indispensable. With the development of artificial intelligence (AI), more “AI + medical” application models are emerging. Many AI-assisted systems have been applied to the diagnosis and treatment of CRS, providing valuable solutions for clinical practice.ObjectiveThis study summarises the research progress of various AI-assisted systems applied to the clinical diagnosis and treatment of CRS, focusing on their role in imaging and pathological diagnosis and prognostic prediction and treatment.MethodsWe used PubMed, Web of Science, and other Internet search engines with “artificial intelligence”、“machine learning” and “chronic sinusitis” as the keywords to conduct a literature search for studies from the last 7 years. We included literature eligible for AI application to CRS diagnosis and treatment in our study, excluded literature outside this scope, and categorized it according to its clinical application to CRS diagnosis, treatment, and prognosis prediction. We provide an overview and summary of current advances in AI to optimize the diagnosis and treatment of CRS, as well as difficulties and challenges in promoting standardization of clinical diagnosis and treatment in this area.ResultsThrough applications in CRS imaging and pathology diagnosis, personalised medicine and prognosis prediction, AI can significantly reduce turnaround times, lower diagnostic costs and accurately predict disease outcomes. However, a number of challenges remain. These include a lack of AI product standards, standardised data, difficulties in collaboration between different healthcare providers, and the non-interpretability of AI systems. There may also be data privacy issues involved. Therefore, more research and improvements are needed to realise the full potential of AI in the diagnosis and treatment of CRS.ConclusionOur findings inform the clinical diagnosis and treatment of CRS and the development of AI-assisted clinical diagnosis and treatment systems. We provide recommendations for AI to drive standardisation of CRS diagnosis and treatment.
Suleimenov I., Bakirov A.
The method of non-standard algebraic extensions based on the use of additional formal solutions of the reduced equations is extended to the case corresponding to three-dimensional space. This method differs from the classical one in that it leads to the formation of algebraic rings rather than fields. The proposed approach allows one to construct a discrete coordinate system in which the role of three basis vectors is played by idempotent elements of the ring obtained by a non-standard algebraic extension. This approach allows, among other things, the identification of the symmetry properties of objects defined through discrete Cartesian coordinates, which is important, for example, when using advanced methods of digital image processing. An explicit form of solutions of the equations is established that allow one to construct idempotent elements for Galois fields GFp such that p−1 is divisible by three. The possibilities of practical use of the proposed approach are considered; in particular, it is shown that the use of discrete Cartesian coordinates mapped onto algebraic rings is of interest from the point of view of improving UAV swarm control algorithms.
Hussein M.K., Ucan O.N.

Abdulkadirov R., Lyakhov P., Butusov D., Nagornov N., Kalita D.
In this paper, we propose a physics-informed neural network controller for quadcopter dynamics modeling. Physics-aware machine learning methods, such as physics-informed neural networks, consider the UAV dynamics model, solving the system of ordinary differential equations entirely, unlike proportional–integral–derivative controllers. The more accurate control action on the quadcopter reduces flight time and power consumption. We applied our fractional optimization algorithms to decreasing the solution error of quadcopter dynamics. Including advanced optimizers in the reinforcement learning model, we achieved the trajectory of UAV flight more accurately than state-of-the-art proportional–integral–derivative controllers. The advanced optimizers allowed the proposed controller to increase the quality of the building trajectory of the UAV compared to the state-of-the-art approach by 10 percentage points. Our model had less error value in spatial coordinates and Euler angles by 25–35% and 30–44%, respectively.

Abdulkadirov R., Lyakhov P., Butusov D., Nagornov N., Reznikov D., Bobrov A., Kalita D.
The current development of machine learning has advanced many fields in applied sciences and industry, including remote sensing. In this area, deep neural networks are used to solve routine object detection problems, satisfying the required rules and conditions. However, the growing number and difficulty of such problems cause the developers to construct machine learning models with higher computational complexities, such as an increased number of hidden layers, epochs, learning rate, and rate decay. In this paper, we propose the Yolov8 architecture with decomposed layers via canonical polyadic and Tucker methods for accelerating the solving of the object detection problem in satellite images. Our positive–negative momentum approaches enabled a reduction in the loss in precision and recall assessments for the proposed neural network. The convolutional layer factorization reduces the shapes and accelerates the computations at kernel nodes in the proposed deep learning models. The advanced optimization algorithms achieve the global minimum of loss functions, which makes the precision and recall metrics superior to the ones for their known counterparts. We examined the proposed Yolov8 with decomposed layers, comparing it with the conventional Yolov8 on the DIOR and VisDrone 2020 datasets containing the UAV images. We verified the performance of the proposed and known neural networks on different optimizers. It is shown that the proposed neural network accelerates the solving object detection problem by 44–52%. The proposed Yolov8 with Tucker and canonical polyadic decompositions has greater precision and recall metrics than the usual Yolov8 with known analogs by 0.84–0.94 and 0.228–1.107 percentage points, respectively.
Awodeyi A.I., Ibok O.A., Omokaro I., Ekwemuka J.U., Ighofiomoni M.O.
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Alhawsawi A.N., Khan S.D., Rehman F.U.
Crowd counting in aerial images presents unique challenges due to varying altitudes, angles, and cluttered backgrounds. Additionally, the small size of targets, often occupying only a few pixels in high-resolution images, further complicates the problem. Current crowd counting models struggle in these complex scenarios, leading to inaccurate counts, which are crucial for crowd management. Moreover, these regression-based models only provide the total count without indicating the location or distribution of people within the environment, limiting their practical utility. While YOLOv8 has achieved significant success in detecting small targets within aerial imagery, it faces challenges when directly applied to crowd counting tasks in such contexts. To overcome these challenges, we propose an improved framework based on YOLOv8, incorporating a context enrichment module (CEM) to capture multiscale contextual information. This enhancement improves the model’s ability to detect and localize tiny targets in complex aerial images. We assess the effectiveness of the proposed framework on the challenging VisDrone-CC2021 dataset, and our experimental results demonstrate the effectiveness of this approach.
Abdulkadirov R.I., Lyakhov P.A., Baboshina V.A., Nagornov N.N.
Zhang S., Li Z., Liu W., Zhao J., Qin T.
Sharifuzzaman S.A., Tanveer J., Chen Y., Chan J.H., Kim H.S., Kallu K.D., Ahmed S.
Remote sensing technology has been modernized by artificial intelligence, which has made it possible for deep learning algorithms to extract useful information from images. However, overfitting and lack of uncertainty quantification, high-resolution images, information loss in traditional feature extraction, and background information retrieval for detected objects limit the use of deep learning models in various remote sensing applications. This paper proposes a Bayes by backpropagation (BBB)-based system for scene-driven identification and information retrieval in order to overcome the above-mentioned problems. We present the Bayes R-CNN, a two-stage object detection technique to reduce overfitting while also quantifying uncertainty for each object recognized within a given image. To extract features more successfully, we replace the traditional feature extraction model with our novel Multi-Resolution Extraction Network (MRENet) model. We propose the multi-level feature fusion module (MLFFM) in the inner lateral connection and a Bayesian Distributed Lightweight Attention Module (BDLAM) to reduce information loss in the feature pyramid network (FPN). In addition, our system incorporates a Bayesian image super-resolution model which enhances the quality of the image to improve the prediction accuracy of the Bayes R-CNN. Notably, MRENet is used to classify the background of the detected objects to provide detailed interpretation of the object. Our proposed system is comprehensively trained and assessed utilizing the state-of-the-art DIOR and HRSC2016 datasets. The results demonstrate our system’s ability to detect and retrieve information from remote sensing scene images.
Sharifuzzaman S.A., Chen Y., Xie Y., Kim H.S.
Remote sensing scene understanding is crucial for extracting valuable information from high-resolution images, including object detection and classification. Traditional object detection methods face challenges in handling the diverse scales, orientations, and complex backgrounds present in remote sensing data. In this paper, we propose a novel remote sensing scene understanding system called multiscale-attention R-CNN (MSA R-CNN), which incorporates a super multiscale feature extraction network (SMENet) for enhanced feature extraction from multiscale images, an adaptive dynamic inner lateral (ADIL) connection module to tackle information loss in feature pyramid networks (FPN), and a distributed lightweight attention module (DLAM) to refine feature information processing. Furthermore, a new dataset combining the DIOR and DOTA datasets is introduced to extract the background information of detected objects and evaluate the proposed system’s performance. MSA R-CNN achieved an mAP of 74.37% on the DIOR dataset when the gamma value was set to 0.2 and 81.97% on the DOTA dataset when the gamma value was set to 0.1 with the same learning rate, outperforming state-of-the-art models on both datasets. The proposed system demonstrates significant improvements in both object detection and background information extraction, providing a comprehensive solution for remote sensing scene understanding.
Jia X., Feng X., Yong H., Meng D.
Weight decay (WD) is a fundamental and practical regularization technique in improving generalization of current deep learning models. However, it is observed that the WD does not work effectively for an adaptive optimization algorithm (such as Adam), as it works for SGD. Specifically, the solution found by Adam with the WD often generalizes unsatisfactorily. Though efforts have been made to mitigate this issue, the reason for such deficiency is still vague. In this article, we first show that when using the Adam optimizer, the weight norm increases very fast along with the training procedure, which is in contrast to SGD where the weight norm increases relatively slower and tends to converge. The fast increase of weight norm is adverse to WD; in consequence, the Adam optimizer will lose efficacy in finding solution that generalizes well. To resolve this problem, we propose to tailor Adam by introducing a regularization term on the adaptive learning rate, such that it is friendly to WD. Meanwhile, we introduce first moment on the WD to further enhance the regularization effect. We show that the proposed method is able to find solution with small norm and generalizes better than SGD. We test the proposed method on general image classification and fine-grained image classification tasks with different networks. Experimental results on all these cases substantiate the effectiveness of the proposed method in help improving the generalization. Specifically, the proposed method improves the test accuracy of Adam by a large margin and even improves the performance of SGD by
$0.84\%$
on CIFAR 10 and
$1.03 \%$
on CIFAR 100 with ResNet-50. The code of this article is public available at xxx.
Sharma P., Saurav S., Singh S.
Lack of proper maintenance of power line infrastructures is one of the main reasons behind power shortages and major blackouts. Current inspection methods are human-dependent, which is time-consuming and expensive. Recent progress in Unmanned Aerial Vehicles (UAVs) and digital cameras enforces the use of UAVs for power line inspection, reducing the cost and time to a great extent. Deep learning methods have recently proved their efficacy in the automatic analysis of power line data; however, they suffer from numerous challenges. Unlike generic object detection, power line inspection does not have large datasets. The data collection of power line objects is challenging compared to data collection for generic objects. As deep learning methods are data-hungry, difficulty in collecting training data raises class imbalance problems . Also, the real-time inspection of power line components demands compute-efficient deep learning methods, which is also challenging because of the high computational requirements of the generic deep learning-based object detectors. Despite being researched for decades, no object detectors can eliminate the effect of diverse challenges on the performance of deep learning methods. With these considerations, this study thoroughly reviews the existing works in the literature and the methods and approaches adopted in power line inspection to overcome these challenges. We also provide the type of faults addressed in the literature with details on the methods employed for their analysis. Finally, we conclude the review by providing insights into future research directions in power line inspection. • In this survey, various power line components, their faults and consequences, and sensors used to capture these faults are described. • The challenges of vision-based methods for automatic power line inspection are identified. • The existing open-source power line datasets are discussed and the reported results on these datasets are summarized. • The available techniques to solve the challenges of power line infrastructure are examined and valuable insights are provided for further studies.
Abdulkadirov R., Lyakhov P., Bergerman M., Reznikov D.
The modern machine learning theory finds application in many areas of human activity. One of the most dispersed tasks is pattern recognition on satellite images. It is difficult for a person to recognize a large number of images in a short time. It made the researchers develop the automation process, such as neural network engagement. The loss function minimization and ensemble learning raise the pattern recognition accuracy. We propose the robust difference gradient positive-negative momentum optimization algorithm that achieves the global minimum of the loss function with higher accuracy and fewer iterations than known analogs. Such an optimization algorithm contains the generalized average moving estimation approach and more effective learning rate control by additional parameters. The proposed optimizer has the regret-bound rate estimation, belonging to OT, and converges to the global minimum. However, the main problems in optimization theory are vanishing and blowing gradient values, where the standard gradient-based algorithms fail to achieve the required objective function value. The vanishing and blowing gradient problems meet in Rastrigin and Rosebrock test functions, where the proposed optimization algorithm attains the global extreme in the shortest number of iterations and has a more stable convergence process than state-of-the-art methods. Afterward, there are trained deep convolutional neural networks with different optimizers on satellite images from the University of California merced dataset containing 21 object classes, where the proposed algorithm gives the highest accuracy. There is a suggested ensemble-learning model consisting of 4 networks with different optimizers. The prediction results receive weight coefficients distributed according to the majority voting and ensemble neural network retrains with the higher pattern recognition accuracy. The suggested ensemble-learning model with the developed optimizer raised the accuracy by 1 %–4 % percentage points.
Sowmya R., Premkumar M., Jangir P.
The Newton-Raphson-Based Optimizer (NRBO), a new metaheuristic algorithm, is suggested and developed in this paper. The NRBO is inspired by Newton-Raphson's approach, and it explores the entire search process using two rules: the Newton-Raphson Search Rule (NRSR) and the Trap Avoidance Operator (TAO) and a few groups of matrices to explore the best results further. The NRSR uses a Newton-Raphson method to improve the exploration ability of NRBO and increase the convergence rate to reach improved search space positions. The TAO helps the NRBO to avoid the local optima trap. The performance of NRBO was assessed using 64 benchmark numerical functions, including 23 standard benchmarks, 29 CEC2017 constrained benchmarks, and 12 CEC2022 benchmarks. In addition, the NRBO was employed to optimize 12 CEC2020 real-world constrained engineering optimization problems. The proposed NRBO was compared to seven state-of-the-art optimization algorithms, and the findings showed that the NRBO produced promising results due to its features, such as high exploration and exploitation balance, high convergence rate, and effective avoidance of local optima capabilities. In addition, the NRBO also validated on challenging wireless communication problem called the internet of vehicle problem, and the NRBO was able to find the optimal path for data transmission. Also, the performance of NRBO in training the deep reinforcement learning agents is also studied by considering the mountain car problem. The obtained results also proved the NRBO's excellent performance in handling challenging real-world engineering problems.
Total publications
41
Total citations
564
Citations per publication
13.76
Average publications per year
5.13
Average coauthors
3.2
Publications years
2018-2025 (8 years)
h-index
9
i10-index
9
m-index
1.13
o-index
55
g-index
23
w-index
3
Metrics description
h-index
A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.
i10-index
The number of the author's publications that received at least 10 links each.
m-index
The researcher's m-index is numerically equal to the ratio of his h-index to the number of years that have passed since the first publication.
o-index
The geometric mean of the h-index and the number of citations of the most cited article of the scientist.
g-index
For a given set of articles, sorted in descending order of the number of citations that these articles received, the g-index is the largest number such that the g most cited articles received (in total) at least g2 citations.
w-index
If w articles of a researcher have at least 10w citations each and other publications are less than 10(w+1) citations, then the researcher's w-index is equal to w.
Top-100
Fields of science
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7
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General Materials Science
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General Materials Science, 7, 17.07%
General Materials Science
7 publications, 17.07%
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General Engineering
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General Engineering, 7, 17.07%
General Engineering
7 publications, 17.07%
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Electrical and Electronic Engineering
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Electrical and Electronic Engineering, 6, 14.63%
Electrical and Electronic Engineering
6 publications, 14.63%
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General Computer Science
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General Computer Science, 6, 14.63%
General Computer Science
6 publications, 14.63%
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Computer Science Applications
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Computer Science Applications, 5, 12.2%
Computer Science Applications
5 publications, 12.2%
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General Mathematics
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General Mathematics, 3, 7.32%
General Mathematics
3 publications, 7.32%
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Computer Science (miscellaneous)
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Computer Science (miscellaneous), 3, 7.32%
Computer Science (miscellaneous)
3 publications, 7.32%
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Instrumentation
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Instrumentation, 3, 7.32%
Instrumentation
3 publications, 7.32%
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Engineering (miscellaneous)
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Engineering (miscellaneous), 3, 7.32%
Engineering (miscellaneous)
3 publications, 7.32%
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Process Chemistry and Technology
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Process Chemistry and Technology, 2, 4.88%
Process Chemistry and Technology
2 publications, 4.88%
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Atomic and Molecular Physics, and Optics
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Atomic and Molecular Physics, and Optics, 2, 4.88%
Atomic and Molecular Physics, and Optics
2 publications, 4.88%
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Hardware and Architecture
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Hardware and Architecture, 2, 4.88%
Hardware and Architecture
2 publications, 4.88%
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Computer Networks and Communications
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Computer Networks and Communications, 2, 4.88%
Computer Networks and Communications
2 publications, 4.88%
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Artificial Intelligence
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Artificial Intelligence, 2, 4.88%
Artificial Intelligence
2 publications, 4.88%
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Fluid Flow and Transfer Processes
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Fluid Flow and Transfer Processes, 2, 4.88%
Fluid Flow and Transfer Processes
2 publications, 4.88%
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Cancer Research
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Cancer Research, 1, 2.44%
Cancer Research
1 publication, 2.44%
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Oncology
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Oncology, 1, 2.44%
Oncology
1 publication, 2.44%
|
Condensed Matter Physics
|
Condensed Matter Physics, 1, 2.44%
Condensed Matter Physics
1 publication, 2.44%
|
Applied Mathematics
|
Applied Mathematics, 1, 2.44%
Applied Mathematics
1 publication, 2.44%
|
Software
|
Software, 1, 2.44%
Software
1 publication, 2.44%
|
Control and Systems Engineering
|
Control and Systems Engineering, 1, 2.44%
Control and Systems Engineering
1 publication, 2.44%
|
Theoretical Computer Science
|
Theoretical Computer Science, 1, 2.44%
Theoretical Computer Science
1 publication, 2.44%
|
Signal Processing
|
Signal Processing, 1, 2.44%
Signal Processing
1 publication, 2.44%
|
Cognitive Neuroscience
|
Cognitive Neuroscience, 1, 2.44%
Cognitive Neuroscience
1 publication, 2.44%
|
Computer Vision and Pattern Recognition
|
Computer Vision and Pattern Recognition, 1, 2.44%
Computer Vision and Pattern Recognition
1 publication, 2.44%
|
Numerical Analysis
|
Numerical Analysis, 1, 2.44%
Numerical Analysis
1 publication, 2.44%
|
Modeling and Simulation
|
Modeling and Simulation, 1, 2.44%
Modeling and Simulation
1 publication, 2.44%
|
1
2
3
4
5
6
7
|
Journals
1
2
3
4
5
6
|
|
IEEE Access
6 publications, 14.63%
|
|
Mathematics
4 publications, 9.76%
|
|
Computer Optics
3 publications, 7.32%
|
|
Lecture Notes in Networks and Systems
3 publications, 7.32%
|
|
Applied Sciences (Switzerland)
2 publications, 4.88%
|
|
2022 11th Mediterranean Conference on Embedded Computing (MECO)
2 publications, 4.88%
|
|
Microprocessors and Microsystems
1 publication, 2.44%
|
|
Neurocomputing
1 publication, 2.44%
|
|
Mathematics and Computers in Simulation
1 publication, 2.44%
|
|
Electronics (Switzerland)
1 publication, 2.44%
|
|
Pattern Recognition and Image Analysis
1 publication, 2.44%
|
|
Optoelectronics, Instrumentation and Data Processing
1 publication, 2.44%
|
|
Cancers
1 publication, 2.44%
|
|
Drones
1 publication, 2.44%
|
|
6TH MEDITERRANEAN CONFERENCE ON EMBEDDED COMPUTING (MECO)
1 publication, 2.44%
|
|
International Conference on Engineering and Telecommunication (EnT)
1 publication, 2.44%
|
|
IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)
1 publication, 2.44%
|
|
Mathematics and its Applications in New Computer Systems: MANCS-. Lecture Notes in Networks and Systems (424)
1 publication, 2.44%
|
|
2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)
1 publication, 2.44%
|
|
2019 8th Mediterranean Conference on Embedded Computing (MECO)
1 publication, 2.44%
|
|
2020 9th Mediterranean Conference on Embedded Computing (MECO)
1 publication, 2.44%
|
|
1
2
3
4
5
6
|
Citing journals
20
40
60
80
100
120
140
|
|
Journal not defined
|
Journal not defined, 123, 21.73%
Journal not defined
123 citations, 21.73%
|
IEEE Access
39 citations, 6.89%
|
|
Applied Sciences (Switzerland)
20 citations, 3.53%
|
|
Lecture Notes in Networks and Systems
13 citations, 2.3%
|
|
Electronics (Switzerland)
12 citations, 2.12%
|
|
Mathematics
11 citations, 1.94%
|
|
Sensors
9 citations, 1.59%
|
|
Journal of Physics: Conference Series
8 citations, 1.41%
|
|
Lecture Notes in Computer Science
7 citations, 1.24%
|
|
Diagnostics
7 citations, 1.24%
|
|
Scientific Reports
6 citations, 1.06%
|
|
Remote Sensing
6 citations, 1.06%
|
|
Multimedia Tools and Applications
5 citations, 0.88%
|
|
Neural Computing and Applications
4 citations, 0.71%
|
|
Concurrency Computation Practice and Experience
3 citations, 0.53%
|
|
Computer Optics
3 citations, 0.53%
|
|
Computational Intelligence and Neuroscience
3 citations, 0.53%
|
|
Integration, the VLSI Journal
3 citations, 0.53%
|
|
Computers in Biology and Medicine
3 citations, 0.53%
|
|
International Journal of Molecular Sciences
3 citations, 0.53%
|
|
Briefings in Bioinformatics
3 citations, 0.53%
|
|
Fractal and Fractional
3 citations, 0.53%
|
|
Drones
3 citations, 0.53%
|
|
SN Computer Science
3 citations, 0.53%
|
|
Journal of Petroleum Science and Engineering
2 citations, 0.35%
|
|
Journal of Marine Science and Engineering
2 citations, 0.35%
|
|
Measurement: Journal of the International Measurement Confederation
2 citations, 0.35%
|
|
International Journal of Environmental Research and Public Health
2 citations, 0.35%
|
|
Journal of the Acoustical Society of America
2 citations, 0.35%
|
|
Information Fusion
2 citations, 0.35%
|
|
Computational and Structural Biotechnology Journal
2 citations, 0.35%
|
|
Artificial Intelligence Review
2 citations, 0.35%
|
|
Information (Switzerland)
2 citations, 0.35%
|
|
Neurocomputing
2 citations, 0.35%
|
|
Monthly Notices of the Royal Astronomical Society
2 citations, 0.35%
|
|
IEEE Internet of Things Journal
2 citations, 0.35%
|
|
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
2 citations, 0.35%
|
|
Pattern Recognition and Image Analysis
2 citations, 0.35%
|
|
Communications in Computer and Information Science
2 citations, 0.35%
|
|
Mathematical Problems in Engineering
2 citations, 0.35%
|
|
Lecture Notes in Electrical Engineering
2 citations, 0.35%
|
|
Procedia Computer Science
2 citations, 0.35%
|
|
Neural Networks
2 citations, 0.35%
|
|
Smart Innovation, Systems and Technologies
2 citations, 0.35%
|
|
Physics of Fluids
2 citations, 0.35%
|
|
Resources, Conservation and Recycling
2 citations, 0.35%
|
|
Computers
2 citations, 0.35%
|
|
Journal of Supercomputing
2 citations, 0.35%
|
|
Acta Physica Sinica
2 citations, 0.35%
|
|
Computers and Electrical Engineering
2 citations, 0.35%
|
|
Engineering Applications of Artificial Intelligence
2 citations, 0.35%
|
|
Energy Reports
2 citations, 0.35%
|
|
Heliyon
2 citations, 0.35%
|
|
Symmetry
2 citations, 0.35%
|
|
Bioengineering
2 citations, 0.35%
|
|
Energies
2 citations, 0.35%
|
|
Materials Today: Proceedings
2 citations, 0.35%
|
|
Water (Switzerland)
2 citations, 0.35%
|
|
SN Applied Sciences
2 citations, 0.35%
|
|
International Journal of Information Technology
2 citations, 0.35%
|
|
Mediterranean Conference on Embedded Computing (MECO)
2 citations, 0.35%
|
|
2020 9th Mediterranean Conference on Embedded Computing (MECO)
2 citations, 0.35%
|
|
Current Signal Transduction Therapy
1 citation, 0.18%
|
|
BMC Medical Informatics and Decision Making
1 citation, 0.18%
|
|
Journal of Chemical Physics
1 citation, 0.18%
|
|
Journal of Bioinformatics and Computational Biology
1 citation, 0.18%
|
|
Machines
1 citation, 0.18%
|
|
Microprocessors and Microsystems
1 citation, 0.18%
|
|
Proceedings of the Institution of Civil Engineers: Bridge Engineering
1 citation, 0.18%
|
|
International Journal of Electronics
1 citation, 0.18%
|
|
Communications Chemistry
1 citation, 0.18%
|
|
Frontiers in Neurology
1 citation, 0.18%
|
|
Frontiers in Immunology
1 citation, 0.18%
|
|
Journal of Cleaner Production
1 citation, 0.18%
|
|
Photonics and Nanostructures - Fundamentals and Applications
1 citation, 0.18%
|
|
Clinical Oral Investigations
1 citation, 0.18%
|
|
Optimization and Engineering
1 citation, 0.18%
|
|
Journal of Real-Time Image Processing
1 citation, 0.18%
|
|
Scientific data
1 citation, 0.18%
|
|
Journal of Circuits, Systems and Computers
1 citation, 0.18%
|
|
Entropy
1 citation, 0.18%
|
|
Medical Physics
1 citation, 0.18%
|
|
Science of the Total Environment
1 citation, 0.18%
|
|
Studies in Computational Intelligence
1 citation, 0.18%
|
|
IFMBE Proceedings
1 citation, 0.18%
|
|
Annals of Allergy, Asthma and Immunology
1 citation, 0.18%
|
|
International Journal of Pattern Recognition and Artificial Intelligence
1 citation, 0.18%
|
|
Methods in Molecular Biology
1 citation, 0.18%
|
|
Journal of NeuroInterventional Surgery
1 citation, 0.18%
|
|
Computational Materials Science
1 citation, 0.18%
|
|
Journal of Intelligent and Fuzzy Systems
1 citation, 0.18%
|
|
Information Processing and Management
1 citation, 0.18%
|
|
International Journal of Computational Intelligence Systems
1 citation, 0.18%
|
|
Clinical Research in Cardiology
1 citation, 0.18%
|
|
Journal of Cheminformatics
1 citation, 0.18%
|
|
Journal of Biomedical Informatics
1 citation, 0.18%
|
|
Agricultural and Forest Meteorology
1 citation, 0.18%
|
|
Mathematics and Computers in Simulation
1 citation, 0.18%
|
|
Structural Concrete
1 citation, 0.18%
|
|
Visual Computer
1 citation, 0.18%
|
|
Show all (70 more) | |
20
40
60
80
100
120
140
|
Publishers
2
4
6
8
10
12
|
|
Institute of Electrical and Electronics Engineers (IEEE)
12 publications, 29.27%
|
|
MDPI
9 publications, 21.95%
|
|
Springer Nature
3 publications, 7.32%
|
|
Elsevier
3 publications, 7.32%
|
|
Image Processing Systems Institute of RAS
3 publications, 7.32%
|
|
Pleiades Publishing
2 publications, 4.88%
|
|
2
4
6
8
10
12
|
Organizations from articles
5
10
15
20
25
30
35
|
|
North Caucasus Federal University
34 publications, 82.93%
|
|
Saint Petersburg Electrotechnical University "LETI"
17 publications, 41.46%
|
|
Organization not defined
|
Organization not defined, 7, 17.07%
Organization not defined
7 publications, 17.07%
|
Shahrood University of technology
1 publication, 2.44%
|
|
5
10
15
20
25
30
35
|
Countries from articles
5
10
15
20
25
30
35
40
|
|
Russia
|
Russia, 38, 92.68%
Russia
38 publications, 92.68%
|
Country not defined
|
Country not defined, 5, 12.2%
Country not defined
5 publications, 12.2%
|
Iran
|
Iran, 1, 2.44%
Iran
1 publication, 2.44%
|
5
10
15
20
25
30
35
40
|
Citing organizations
20
40
60
80
100
120
140
160
180
200
|
|
Organization not defined
|
Organization not defined, 189, 33.51%
Organization not defined
189 citations, 33.51%
|
North Caucasus Federal University
37 citations, 6.56%
|
|
Saint Petersburg Electrotechnical University "LETI"
16 citations, 2.84%
|
|
Ivannikov Institute for System Programming of the Russian Academy of Sciences
4 citations, 0.71%
|
|
University of Tehran
4 citations, 0.71%
|
|
Shanghai Jiao Tong University
4 citations, 0.71%
|
|
University of Queensland
4 citations, 0.71%
|
|
Hong Kong Polytechnic University
4 citations, 0.71%
|
|
Yeungnam University
4 citations, 0.71%
|
|
Helwan University
4 citations, 0.71%
|
|
Ulyanovsk State Technical University
3 citations, 0.53%
|
|
Sathyabama Institute of Science and Technology
3 citations, 0.53%
|
|
Beijing Institute of Technology
3 citations, 0.53%
|
|
University of Chinese Academy of Sciences
3 citations, 0.53%
|
|
Sichuan University
3 citations, 0.53%
|
|
University of Electronic Science and Technology of China
3 citations, 0.53%
|
|
Nanjing University of Information Science and Technology
3 citations, 0.53%
|
|
University of Rome Tor Vergata
3 citations, 0.53%
|
|
Korea University
3 citations, 0.53%
|
|
Rutgers, The State University of New Jersey
3 citations, 0.53%
|
|
University of Thessaly
3 citations, 0.53%
|
|
Agency for Science, Technology and Research
3 citations, 0.53%
|
|
Rajshahi University of Engineering and Technology
3 citations, 0.53%
|
|
Instituto Politécnico Nacional
3 citations, 0.53%
|
|
Lomonosov Moscow State University
2 citations, 0.35%
|
|
Al Farabi Kazakh National University
2 citations, 0.35%
|
|
Satbayev University
2 citations, 0.35%
|
|
Almaty University of Power Engineering and Telecommunications
2 citations, 0.35%
|
|
King Saud University
2 citations, 0.35%
|
|
King Abdullah University of Science and Technology
2 citations, 0.35%
|
|
King Abdulaziz University
2 citations, 0.35%
|
|
University of Tabuk
2 citations, 0.35%
|
|
University of Jeddah
2 citations, 0.35%
|
|
Khalifa University
2 citations, 0.35%
|
|
Shiraz University of Medical Sciences
2 citations, 0.35%
|
|
Shahid Beheshti University
2 citations, 0.35%
|
|
Vellore Institute of Technology University
2 citations, 0.35%
|
|
Kalasalingam Academy of Research and Education
2 citations, 0.35%
|
|
Kalinga Institute of Industrial Technology
2 citations, 0.35%
|
|
Christ University
2 citations, 0.35%
|
|
Shanmugha Arts, Science, Technology & Research Academy
2 citations, 0.35%
|
|
Vietnam National University Ho Chi Minh City
2 citations, 0.35%
|
|
Tsinghua University
2 citations, 0.35%
|
|
Zhejiang University
2 citations, 0.35%
|
|
Katholieke Universiteit Leuven
2 citations, 0.35%
|
|
Technical University of Munich
2 citations, 0.35%
|
|
Petronas University of Technology
2 citations, 0.35%
|
|
University of Malaysia Sabah
2 citations, 0.35%
|
|
Beijing University of Technology
2 citations, 0.35%
|
|
Wuhan University of Technology
2 citations, 0.35%
|
|
Wuhan University
2 citations, 0.35%
|
|
Sapienza University of Rome
2 citations, 0.35%
|
|
Nankai University
2 citations, 0.35%
|
|
Chongqing University
2 citations, 0.35%
|
|
Sun Yat-sen University
2 citations, 0.35%
|
|
University of Basel
2 citations, 0.35%
|
|
Dalian Maritime University
2 citations, 0.35%
|
|
Nanyang Technological University
2 citations, 0.35%
|
|
Imperial College London
2 citations, 0.35%
|
|
Soochow University (Suzhou)
2 citations, 0.35%
|
|
University of Padua
2 citations, 0.35%
|
|
Xi'an Jiaotong–Liverpool University
2 citations, 0.35%
|
|
Southern University of Science and Technology
2 citations, 0.35%
|
|
National University of Singapore
2 citations, 0.35%
|
|
Queensland University of Technology
2 citations, 0.35%
|
|
Samsung
2 citations, 0.35%
|
|
National Cheng Kung University
2 citations, 0.35%
|
|
National Yunlin University of Science and Technology
2 citations, 0.35%
|
|
Universidade Federal do Rio de Janeiro
2 citations, 0.35%
|
|
Arizona State University
2 citations, 0.35%
|
|
Chinese University of Hong Kong
2 citations, 0.35%
|
|
University of Hong Kong
2 citations, 0.35%
|
|
University of Tokyo
2 citations, 0.35%
|
|
Tecnológico de Monterrey
2 citations, 0.35%
|
|
Université Bourgogne Franche-Comté
2 citations, 0.35%
|
|
Institute of Acoustics, Chinese Academy of Sciences
2 citations, 0.35%
|
|
Mohammed V University
2 citations, 0.35%
|
|
Mohammed VI Polytechnic University
2 citations, 0.35%
|
|
University of Bath
2 citations, 0.35%
|
|
National Research Council Canada
2 citations, 0.35%
|
|
University of Sarajevo
2 citations, 0.35%
|
|
Federal University of Parana
2 citations, 0.35%
|
|
Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
2 citations, 0.35%
|
|
Institute of High Performance Computing
2 citations, 0.35%
|
|
Universidad Autónoma del Estado de México
2 citations, 0.35%
|
|
University of Missouri
2 citations, 0.35%
|
|
Universidade Tecnológica Federal do Paraná
2 citations, 0.35%
|
|
Institute of Physiologically Active Compounds of the Russian Academy of Science
1 citation, 0.18%
|
|
Institute of Precision Mechanics and Control SarSC of the Russian Academy of Sciences
1 citation, 0.18%
|
|
Kazan Federal University
1 citation, 0.18%
|
|
ITMO University
1 citation, 0.18%
|
|
Sechenov First Moscow State Medical University
1 citation, 0.18%
|
|
South Ural State University
1 citation, 0.18%
|
|
MIREA — Russian Technological University
1 citation, 0.18%
|
|
Perm National Research Polytechnic University
1 citation, 0.18%
|
|
First Pavlov State Medical University of St. Petersburg
1 citation, 0.18%
|
|
Saratov State Medical University named after V. I. Razumovsky
1 citation, 0.18%
|
|
Pacific National University
1 citation, 0.18%
|
|
Nazarbayev University
1 citation, 0.18%
|
|
L.N. Gumilyov Eurasian National University
1 citation, 0.18%
|
|
Show all (70 more) | |
20
40
60
80
100
120
140
160
180
200
|
Citing countries
20
40
60
80
100
120
|
|
China
|
China, 101, 17.91%
China
101 citations, 17.91%
|
Country not defined
|
Country not defined, 63, 11.17%
Country not defined
63 citations, 11.17%
|
Russia
|
Russia, 63, 11.17%
Russia
63 citations, 11.17%
|
India
|
India, 61, 10.82%
India
61 citations, 10.82%
|
USA
|
USA, 44, 7.8%
USA
44 citations, 7.8%
|
Republic of Korea
|
Republic of Korea, 32, 5.67%
Republic of Korea
32 citations, 5.67%
|
Iran
|
Iran, 20, 3.55%
Iran
20 citations, 3.55%
|
Saudi Arabia
|
Saudi Arabia, 18, 3.19%
Saudi Arabia
18 citations, 3.19%
|
United Kingdom
|
United Kingdom, 15, 2.66%
United Kingdom
15 citations, 2.66%
|
Italy
|
Italy, 15, 2.66%
Italy
15 citations, 2.66%
|
Indonesia
|
Indonesia, 13, 2.3%
Indonesia
13 citations, 2.3%
|
Japan
|
Japan, 11, 1.95%
Japan
11 citations, 1.95%
|
Germany
|
Germany, 10, 1.77%
Germany
10 citations, 1.77%
|
Australia
|
Australia, 10, 1.77%
Australia
10 citations, 1.77%
|
Bangladesh
|
Bangladesh, 10, 1.77%
Bangladesh
10 citations, 1.77%
|
Mexico
|
Mexico, 10, 1.77%
Mexico
10 citations, 1.77%
|
Egypt
|
Egypt, 9, 1.6%
Egypt
9 citations, 1.6%
|
Poland
|
Poland, 9, 1.6%
Poland
9 citations, 1.6%
|
Turkey
|
Turkey, 9, 1.6%
Turkey
9 citations, 1.6%
|
Brazil
|
Brazil, 8, 1.42%
Brazil
8 citations, 1.42%
|
Greece
|
Greece, 8, 1.42%
Greece
8 citations, 1.42%
|
Canada
|
Canada, 8, 1.42%
Canada
8 citations, 1.42%
|
Malaysia
|
Malaysia, 8, 1.42%
Malaysia
8 citations, 1.42%
|
France
|
France, 7, 1.24%
France
7 citations, 1.24%
|
Spain
|
Spain, 7, 1.24%
Spain
7 citations, 1.24%
|
UAE
|
UAE, 7, 1.24%
UAE
7 citations, 1.24%
|
Singapore
|
Singapore, 7, 1.24%
Singapore
7 citations, 1.24%
|
Kazakhstan
|
Kazakhstan, 6, 1.06%
Kazakhstan
6 citations, 1.06%
|
Portugal
|
Portugal, 6, 1.06%
Portugal
6 citations, 1.06%
|
Thailand
|
Thailand, 6, 1.06%
Thailand
6 citations, 1.06%
|
Vietnam
|
Vietnam, 5, 0.89%
Vietnam
5 citations, 0.89%
|
Jordan
|
Jordan, 5, 0.89%
Jordan
5 citations, 0.89%
|
Netherlands
|
Netherlands, 5, 0.89%
Netherlands
5 citations, 0.89%
|
Switzerland
|
Switzerland, 5, 0.89%
Switzerland
5 citations, 0.89%
|
Pakistan
|
Pakistan, 4, 0.71%
Pakistan
4 citations, 0.71%
|
Romania
|
Romania, 4, 0.71%
Romania
4 citations, 0.71%
|
Belgium
|
Belgium, 3, 0.53%
Belgium
3 citations, 0.53%
|
Bulgaria
|
Bulgaria, 3, 0.53%
Bulgaria
3 citations, 0.53%
|
Bosnia and Herzegovina
|
Bosnia and Herzegovina, 3, 0.53%
Bosnia and Herzegovina
3 citations, 0.53%
|
Denmark
|
Denmark, 3, 0.53%
Denmark
3 citations, 0.53%
|
Iraq
|
Iraq, 3, 0.53%
Iraq
3 citations, 0.53%
|
Morocco
|
Morocco, 3, 0.53%
Morocco
3 citations, 0.53%
|
Nigeria
|
Nigeria, 3, 0.53%
Nigeria
3 citations, 0.53%
|
Oman
|
Oman, 3, 0.53%
Oman
3 citations, 0.53%
|
Slovenia
|
Slovenia, 3, 0.53%
Slovenia
3 citations, 0.53%
|
Sweden
|
Sweden, 3, 0.53%
Sweden
3 citations, 0.53%
|
Hungary
|
Hungary, 2, 0.35%
Hungary
2 citations, 0.35%
|
Yemen
|
Yemen, 2, 0.35%
Yemen
2 citations, 0.35%
|
Kuwait
|
Kuwait, 2, 0.35%
Kuwait
2 citations, 0.35%
|
New Zealand
|
New Zealand, 2, 0.35%
New Zealand
2 citations, 0.35%
|
Philippines
|
Philippines, 2, 0.35%
Philippines
2 citations, 0.35%
|
Finland
|
Finland, 2, 0.35%
Finland
2 citations, 0.35%
|
South Africa
|
South Africa, 2, 0.35%
South Africa
2 citations, 0.35%
|
Estonia
|
Estonia, 1, 0.18%
Estonia
1 citation, 0.18%
|
Austria
|
Austria, 1, 0.18%
Austria
1 citation, 0.18%
|
Algeria
|
Algeria, 1, 0.18%
Algeria
1 citation, 0.18%
|
Israel
|
Israel, 1, 0.18%
Israel
1 citation, 0.18%
|
Qatar
|
Qatar, 1, 0.18%
Qatar
1 citation, 0.18%
|
Colombia
|
Colombia, 1, 0.18%
Colombia
1 citation, 0.18%
|
Cuba
|
Cuba, 1, 0.18%
Cuba
1 citation, 0.18%
|
Lithuania
|
Lithuania, 1, 0.18%
Lithuania
1 citation, 0.18%
|
Moldova
|
Moldova, 1, 0.18%
Moldova
1 citation, 0.18%
|
Nepal
|
Nepal, 1, 0.18%
Nepal
1 citation, 0.18%
|
Norway
|
Norway, 1, 0.18%
Norway
1 citation, 0.18%
|
Peru
|
Peru, 1, 0.18%
Peru
1 citation, 0.18%
|
North Macedonia
|
North Macedonia, 1, 0.18%
North Macedonia
1 citation, 0.18%
|
Chile
|
Chile, 1, 0.18%
Chile
1 citation, 0.18%
|
Ecuador
|
Ecuador, 1, 0.18%
Ecuador
1 citation, 0.18%
|
Ethiopia
|
Ethiopia, 1, 0.18%
Ethiopia
1 citation, 0.18%
|
Show all (39 more) | |
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- We do not take into account publications without a DOI.
- Statistics recalculated daily.
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