Computer Vision, Machine Learning, Image processing, Deep Learning
43
Scopus Publications
862
Scholar Citations
17
Scholar h-index
26
Scholar i10-index
Scopus Publications
HyCoSwin-PD: An explainable hybrid ConvNeXtV2-Swin transformer framework for Parkinson’s disease detection from neuroimaging Vishal Awasthi, Hemant Kumar, Mamta Tiwari, Bhupender Singh Rawat, Brajesh Kumar Sharma, Shubhendra Singh, Rashi Agarwal Methodsx, 2026 Accurate detection of Parkinson's disease (PD) from structural MRI remains a significant challenge due to the diffuse and heterogeneous nature of PD-related neuroanatomical alterations. This study introduces HyCoSwin-PD, an advanced hybrid deep learning framework that integrates ConvNeXt-V2 and Swin Transformer to jointly model fine-grained local morphology and hierarchical global context. ConvNeXt-V2 provides strong convolutional inductive biases for capturing subtle structural variations, whereas Swin Transformer contributes multi-scale contextual reasoning through window-based self-attention. A dedicated fusion mechanism unifies these complementary representations into a coherent latent space optimized for PD classification. Evaluated on the PPMI dataset, HyCoSwin-PD achieves 95.8% accuracy, 95.1% sensitivity, and 96.4% specificity, demonstrating superior diagnostic reliability. Ablation analyses further confirm the synergistic value of hybridizing convolutional and transformer-based encoders. Despite these promising outcomes, the reliance on a unimodal MRI dataset and a limited cohort underscores the need for multi-modal and multi-center validation. Overall, HyCoSwin-PD provides a robust, methodologically novel, and clinically relevant framework for MRI-based PD detection.•HyCoSwin-PD introduces a hybrid architecture that integrates ConvNeXt-V2 for local morphological encoding with Swin Transformer for hierarchical global context modeling.•The framework incorporates a feature fusion module that unifies heterogeneous representations to enhance discriminative capacity in MRI-based PD detection.
NEMAEP: A NOVEL ENSEMBLE MACHINE LEARNING FRAMEWORK FOR ACCURATE EFFORT ESTIMATION IN SOFTWARE PROJECTS Journal of Theoretical and Applied Information Technology, 2024
A hybrid efficientNetB0-XGBoost framework for efficient brain tumor classification using MRI images Hemant Kumar, Digvijay Pandey, Amit Yadav, Rashi Agarwal, Shivneet Tripathi, Somesh Kumar Malhotra Interdisciplinary Approaches to AI Internet of Everything and Machine Learning, 2024 Brain tumors pose significant challenges in medical diagnosis due to their diverse characteristics and critical impact on human health. This study proposes an advanced framework for brain tumor classification, integrating EfficientNet-B0 for feature extraction and XGBoost for classification. The preprocessing stage involves resizing, normalization, and data augmentation of brain MRI images to ensure high-quality input for the model. EfficientNet-B0's parameter efficiency and computational speed are leveraged to extract discriminative features, which are then classified using the XGBoost algorithm. Techniques such as Global Average Pooling and a dropout ratio of 0.3 are employed to enhance the model's robustness and mitigate overfitting. Experimental results on the Kaggle brain tumor dataset demonstrate the superiority of our approach, achieving an overall accuracy of 99.21%, precision of 99.18%, recall of 98.96%, and F1-score of 98.92%. This research shows that deep learning and machine learning can accurately and efficiently classify brain tumours, improving clinical diagnostic.
Transformer-based decoder of melanoma classification using hand-crafted texture feature fusion and Gray Wolf Optimization algorithm Hemant Kumar, Abhishek Dwivedi, Abhishek Kumar Mishra, Arvind Kumar Shukla, Brajesh Kumar Sharma, Rashi Agarwal, Sunil Kumar Methodsx, 2024 Melanoma is a type of skin cancer that poses significant health risks and requires early detection for effective treatment. This study proposing a novel approach that integrates a transformer-based model with hand-crafted texture features and Gray Wolf Optimization, aiming to enhance efficiency of melanoma classification. Preprocessing involves standardizing image dimensions and enhancing image quality through median filtering techniques. Texture features, including GLCM and LBP, are extracted to capture spatial patterns indicative of melanoma. The GWO algorithm is applied to select the most discriminative features. A transformer-based decoder is then employed for classification, leveraging attention mechanisms to capture contextual dependencies. The experimental validation on the HAM10000 dataset and ISIC2019 dataset showcases the effectiveness of the proposed methodology. The transformer-based model, integrated with hand-crafted texture features and guided by Gray Wolf Optimization, achieves outstanding results. The results showed that the proposed method performed well in melanoma detection tasks, achieving an accuracy and F1-score of 99.54% and 99.11% on the HAM10000 dataset, and an accuracy of 99.47%, and F1-score of 99.25% on the ISIC2019 dataset. • We use the concepts of LBP and GLCM to extract features from the skin lesion images. • The Gray Wolf Optimization (GWO) algorithm is employed for feature selection. • A decoder based on Transformers is utilized for melanoma classification.
ViT-HHO: Optimized vision transformer for diabetic retinopathy detection using Harris Hawk optimization Vishal Awasthi, Namita Awasthi, Hemant Kumar, Shubhendra Singh, Prabal Pratap Singh, Poonam Dixit, Rashi Agarwal Methodsx, 2024 Diabetic retinopathy (DR) is a significant cause of vision impairment globally, emphasizing the importance of timely and precise detection to prevent severe consequences. This study presents an optimized Vision Transformer (ViT) model that incorporates Harris Hawk Optimization (HHO) to improve the automated detection of diabetic retinopathy (DR). The ViT architecture utilizes self-attention mechanisms to capture local and global features in retinal images. Additionally, HHO optimizes key hyperparameters to maximize the performance of the model. The proposed ViT-HHO model achieved exceptional performance on the APTOS-2019 and IDRiD datasets. Specifically, it achieved 99.83 % accuracy, 99.78 % sensitivity, 99.85 % specificity, and 99.80 % AUC-ROC on the APTOS-2019 dataset, surpassing traditional CNNs and alternative optimization techniques. The model exhibited strong generalization on the IDRiID dataset, achieving an accuracy of 99.11 % and an AUC-ROC of 99.12 %. The ViT-HHO model demonstrates the potential for enhancing the clinical detection of diabetic retinopathy (DR), providing high precision and reliability.•An optimized Vision Transformer (ViT) model was developed using HHO for improved detection of Diabetic Retinopathy (DR).•The model was validated on the APTOS-2019 and IDRiID datasets, demonstrating superior accuracy and AUC-ROC metrics.•The model's generalization and robustness were demonstrated through comprehensive performance evaluations.
Unmasking VGG16: LIME Visualizations for Brain Tumor Diagnosis Richa Tiwari, Rashi Agrawal 2024 IEEE International Conference on Computer Vision and Machine Intelligence Cvmi 2024, 2024 Brain tumors are complex and potentially life-threatening conditions requiring accurate diagnosis. This study explores using VGG16 CNN architecture to classify brain tumors in MRI scans. CNNs excel in image classification but lack transparency, raising concerns in critical applications like medical diagnosis. To address this, we use Explainable AI (XAI) techniques. We enhance interpretability using Superpixel images, Heatmaps, and Image Masks to visualize important features for predictions. Our approach achieves 98.8% accuracy, with visualizations aiding in understanding the model’s decisions and providing insights for medical professionals. This research contributes to XAI in medical imaging, showing the potential of combining deep learning with interpretable methods for healthcare decision-making.
Progressive Evolution of Multimodal Architectures for Fake News Detection: From Independent Feature Fusion to Contrastive Cross-Modal Alignment P Brijwal, M Yadav, A Singh, SP Singh, R Agarwal Cureus Journals 3 (1) , 2026 2026
HyCoSwin-PD: An explainable hybrid ConvNeXtV2-Swin transformer framework for Parkinson’s disease detection from neuroimaging V Awasthi, H Kumar, M Tiwari, BS Rawat, BK Sharma, S Singh, R Agarwal MethodsX, 103868 , 2026 2026
Enhanced Classification of Alzheimer’s Disease Using Advanced Machine Learning Models on Radiomics Features from 3D MRI H Kumar, R Agarwal International Conference on Hybrid Intelligence: Theories and Applications … , 2026 2026
Comparative Analysis of Unmanned Aerial Vehicle and Ground-Level Data Using Computer Vision in Agriculture SK Gupta, R Agarwal Cureus Journals 2 (1) , 2025 2025
Deep Learning-Based Nutritional Analysis of Food Images Using EfficientNetB4 and Multilayer Perceptron A Diwakar, R Agarwal Cureus Journals 2 (1) , 2025 2025
for Interpretable Brain Tumor R Tiwari, R Agarwal Mathematics and Logics in Computer Science: Proceedings of ICMLCS 2024, 143 , 2025 2025
Deep Learning for Deepfake Detection: A Multimodal Approach for Image and Video Forgery Identification R Singh, R Agarwal International Conference on Data Analytics & Management, 412-421 , 2025 2025
Bio-inspired gloden jackal optimization of XGBoost model enhances 30-day sepsis mortality predictions H Kumar, R Agarwal, A Yadav Journal of Critical Care 87, 155013 , 2025 2025 Citations: 1
A hybrid EfficientNetB0-XGBoost framework for efficient brain tumor classification using MRI images H Kumar, D Pandey, A Yadav, R Agarwal, S Tripathi, SK Malhotra Interdisciplinary Approaches to AI, Internet of Everything, and Machine … , 2025 2025 Citations: 4
NEMAEP: A NOVEL ENSEMBLE MACHINE LEARNING FRAMEWORK FOR ACCURATE EFFORT ESTIMATION IN SOFTWARE PROJECTS P SRIVASTAVA, N SRIVASTAVA, R AGARWAL, P SINGH Journal of Theoretical and Applied Information Technology 102 (24) , 2024 2024 Citations: 1
ViT-HHO: Optimized vision transformer for diabetic retinopathy detection using Harris Hawk optimization V Awasthi, N Awasthi, H Kumar, S Singh, PP Singh, P Dixit, R Agarwal MethodsX 13, 103018 , 2024 2024 Citations: 18
Transformer-based decoder of melanoma classification using hand-crafted texture feature fusion and Gray Wolf Optimization algorithm H Kumar, A Dwivedi, AK Mishra, AK Shukla, BK Sharma, R Agarwal, ... MethodsX 13, 102839 , 2024 2024 Citations: 8
Analyzing the Proficiency of Deep Learning Techniques for Music Genre Classification A Malviya, R Agarwal International Conference on Communication and Intelligent Systems, 53-71 , 2024 2024
Unmasking VGG16: LIME visualizations for brain tumor diagnosis R Tiwari, R Agrawal 2024 IEEE International Conference on Computer Vision and Machine … , 2024 2024 Citations: 7
Lrp-enhanced vgg16 model for interpretable brain tumor classification R Tiwari, R Agarwal International Conference on Mathematics and Logics in Computer Science, 143-160 , 2024 2024 Citations: 1
Epicardial Macro-Rentrant Tachycardia Involving the Septo-Pulmonary Bundle R Agarwal, A Nguyen, R Kutieleh, R Mahajan Heart, Lung and Circulation 33, S427-S428 , 2024 2024
An insight on artificial intelligence (AI) and Internet of Things (IoT) driven hydroponics farming NS Bhandari, N Bhandari, R Agarwal, PK Sharma 2024 5th International Conference on Image Processing and Capsule Networks … , 2024 2024 Citations: 11
Advances in Deep Learning for the Detection of Alzheimer’s Disease Using MRI—A Review S Hariharan, R Agarwal Computational Intelligence in Healthcare Informatics, 363-388 , 2024 2024 Citations: 1
Advances in Deep Learning S Hariharan, R Agarwal Computational Intelligence in Healthcare Informatics, 363 , 2024 2024
Evaluation Of A Best Digital Supplier By Fuzzy SWARA-WASPAS Strategies R Agarwal, A Agrawal, A Sharma, B Agrawal Internatonal Journal of expermental research and revew 45, 203-211 , 2024 2024 Citations: 1
MOST CITED SCHOLAR PUBLICATIONS
Starting out with Python T Gaddis, R Agarwal Pearson Addison Wesley , 2009 2009 Citations: 93
Effect of stochastic noise on superior Julia sets M Rani, R Agarwal Journal of Mathematical Imaging and Vision 36 (1), 63-68 , 2010 2010 Citations: 64
Detection of coal mine fires in the Jharia coal field using NOAA/AVHRR data R Agarwal, D Singh, DS Chauhan, KP Singh Journal of Geophysics and engineering 3 (3), 212-218 , 2006 2006 Citations: 53
Facial expression recognition using geometric features and modified hidden Markov model M Rahul, N Kohli, R Agarwal, S Mishra International Journal of Grid and Utility Computing 10 (5), 488-496 , 2019 2019 Citations: 46
Weed identification using K-means clustering with color spaces features in multi-spectral images taken by UAV R Agarwal, S Hariharan, MN Rao, A Agarwal 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 7047 … , 2021 2021 Citations: 42
Minimum relevant features to obtain ai explainable system for predicting breast cancer in WDBC R Agarwal, M Revanth International Journal of Health Sciences 6 (!X) , 2022 2022 Citations: 33
Analysing mobile random early detection for congestion control in mobile ad-hoc network S Sharma, D Jindal, R Agarwal International Journal of Electrical and Computer Engineering 8 (3), 1305 , 2018 2018 Citations: 26
Antibacterial finish of textile using papaya peels derived silver nanoparticles R Agarwal 2015 Citations: 25
Nano surface modification of poly (ethylene terephthalate) fabrics for enhanced comfort properties for activewear R Agarwal, M Jassal, AK Agrawal Journal of Industrial and Engineering Chemistry 98, 217-230 , 2021 2021 Citations: 24
Edge detection in images using modified bit-planes Sobel operator R Agarwal Proceedings of the Third International Conference on Soft Computing for … , 2014 2014 Citations: 22
Tomato disease detection using vision transformer with residual L1-norm attention and deep neural networks M Tiwari, H Kumar, N Prakash, S Kumar, R Neware, S Tripathi, R Agarwal International Journal of Intelligent Engineering & Systems 17 (1) , 2024 2024 Citations: 21
ML-based classifier for Sloan Digital Sky spectral objects R Agarwal, N Rao Neuroquantology 20 (6), 8329-8358 , 2022 2022 Citations: 21
Decision Support System designed to detect yellow mosaic in Pigeon pea using Computer Vision R Agarwal, A Agarwal Design Engineering, 832-844 , 2021 2021 Citations: 21
ViT-HHO: Optimized vision transformer for diabetic retinopathy detection using Harris Hawk optimization V Awasthi, N Awasthi, H Kumar, S Singh, PP Singh, P Dixit, R Agarwal MethodsX 13, 103018 , 2024 2024 Citations: 18
Durable functionalization of polyethylene terephthalate fabrics using metal oxides nanoparticles R Agarwal, M Jassal, AK Agrawal Colloids and Surfaces A: Physicochemical and Engineering Aspects 615, 126223 , 2021 2021 Citations: 18
Human disease prognosis and diagnosis using machine learning S Kumar, H Kumar, R Agarwal, VK Pathak Emerging Technologies for Computing, Communication and Smart Cities … , 2022 2022 Citations: 17
Facial expression recognition using local binary pattern and modified hidden Markov model M Rahul, N Kohli, R Agarwal International Journal of Advanced Intelligence Paradigms 17 (3-4), 367-378 , 2020 2020 Citations: 17
Can ChatGPT help in the awareness of diabetes? I Khan, R Agarwal Annals of biomedical engineering 51 (10), 2125-2129 , 2023 2023 Citations: 14
An approach for congestion control in mobile ad hoc networks S Sharma, D Jindal, R Agarwal International Journal of Emerging Trends in Engineering and Development 3 (7 … , 2017 2017 Citations: 14
Transfer Learning and Supervised Machine Learning Approach for Detection of Skin Cancer: Performance Analysis and Comparison SK Hemant Kumar, Amit Virmani, Shivneet Tripathi, Rashi Agrawal Drugs and Cell Therapies in Hematology 10 (No. 1 (2021)) , 2021 2021 Citations: 13