Books Published
[b1] P. P. Roy, A. Agarwal, T. Li, P. K. Reddy, R. U. Kiran, "Big Data Analytics - 10th International Conference, BDA 2022", Proceedings of Lecture Notes in Computer Science, Springer, 2022.
[b2] S. K. Singh, P. P. Roy, R. Balasubramanian, P. Nagabhushan, "Computer Vision and Image Processing - 5th International Conference, CVIP 2020", vol. 1, 2 and 3, Springer Communications in Computer and Information Science, 2021.
[b3] R. Balasubramanian, S. Kumar, P. P. Roy, D. Sen, "Proceedings of International Conference on Computer Vision and Image Processing (CVIP 2016)", vol. 1 and 2, Springer Advances in Intelligent Systems and Computing Series, 2016.
List Of Research Publications (only in Peer-reviewed
Journals)
Selected Journal Articles
(Others can be found at https://scholar.google.co.in/citations?user=moDpyKkAAAAJ&hl=en )
[j44] T. Lotey, A. Verma, P. P. Roy and R. Saini, "EEG-Based Speech Imagery Classification via Neural Architecture Search", IEEE Transactions on Artificial Intelligence, 2026.
[j43] J. Shit, H. Yang, V. M. Manikandan and P. P. Roy "A Hyperspectral Imaging Framework Integrating Band Selection and Deep Learning for Beverage Stain Classification in Forensic Analysis", Scientific Reports, 2026.
[j42] G Siddhad, M Iwamura, P. P. Roy, "Enhancing EEG Signal-Based Emotion Recognition with Synthetic Data: Diffusion Model Approach", IEEE Transactions on Artificial Intelligence, 2025.
[j41] A Yadav, R Naik, E Gupta, P. P. Roy, SK Srivastava, "Single-shot, receptor-free, rapid detection and classification of five respiratory viruses by machine learning integrated SERS sensing platform", Biosensors and Bioelectronics, vol. 279, pp. 117394, 2025.
[j40] S. Behera, D. P. Dogra, M. K. Bandyopadhyay, P. P. Roy, "Crowd Characterization in Surveillance Videos Using Deep-Graph Convolutional Neural Network", IEEE Transactions on Cybernetics, vol. 53(6), pp. 3428-3439, 2023.
[j39] P. Kaushik, H. Yang, P. P. Roy and M. Vugt, "Comparing resting state and task-based EEG using machine learning to predict vulnerability to depression in a non-clinical population", Scientific Reports, vol. 13 (1), pp. 1-12, 2023.
[j38] D. D. Chakladar, S. Datta, P. P. Roy, and V. A. Prasad, "Cognitive Workload Estimation Using Variational Autoencoder and Attention-Based Deep Model", IEEE Transactions on Cognitive and Developmental Systems, vol 15(2), pp. 581-590, 2023.
[j37] P. Kaushik, A. Moye, M. Vugt and P. P. Roy, "Decoding the cognitive states of attention and distraction in a real-life setting using EEG", Scientific Reports, vol. 12 (1), pp. 20649, 2022.
[j36] R. Pal, A. A. Sekh, D. P. Dogra, S. Kar, P. P. Roy, and D. K. Prasad, "Topic-based Video Analysis: A Survey", ACM Computing Surveys, vol. 54(6), pp. 118:1-118:34, 2022.
[j35] D. D. Chakladar, P. P. Roy, and M. Iwamura, "EEG-Based Cognitive State Classification and Analysis of Brain Dynamics Using Deep Ensemble Model and Graphical Brain Network", IEEE Transactions on Cognitive and Developmental Systems, 14(4), pp. 1507-1519, 2022.
[j34] P. Keserwani and P. P. Roy, "Text Region Conditional Generative Adversarial Network for Text Concealment in the Wild", IEEE Transactions on Circuits and Systems for Video Technology, vol. 32(5), pp. 3152-3163, 2022.
[j33] P. Keserwani, R. Saini, M. Liwicki, P. P. Roy, "Robust Scene Text Detection for Partially Annotated Training Data", IEEE Transactions on Circuits and Systems for Video Technology, vol. 32(12), pp. 8635-8645, 2022.
[j32] S. K. Kumaran, D. P. Dogra, P. P. Roy, and A. Mitra, "Vehicular Trajectory Classification and Traffic Anomaly Detection in Videos Using a Hybrid CNN-VAE Architecture", IEEE Transactions on Intelligent Transportation Systems, vol. 23(8), pp. 11891-11902, 2022
[j31] S. K. Kumaran, D. P. Dogra, P. P. Roy, "Anomaly Detection in Road Traffic Using Visual Surveillance: A Survey", ACM Computing Surveys, vol. 53(6), pp. 119:1-119:26, 2021
[j30] D. D. Chakladar, P. Kumar, P. P. Roy, D. P. Dogra, E. J. Scheme and V. Chang, "A multimodal-Siamese Neural Network (mSNN) for person verification using signatures and EEG", Information Fusion, vol. 71, pp. 17-27, 2021
[j29] S. Behera, D. P. Dogra, M. K. Bandyopadhyay and P. P. Roy, "Understanding crowd flow patterns using active-Langevin model", Pattern Recognition, vol. 119, 108037, 2021
[j28] V. Khurana, M. Gahalawat, P. Kumar, P. P. Roy, D. P. Dogra, E. J. Scheme and M. Soleymani, "A Survey on Neuromarketing Using EEG Signals", IEEE Transactions on Cognitive and Developmental Systems, vol. 13(4), pp. 732-749, 2021
[j27] S. K. Behera, P. Kumar, D. P. Dogra, P. P. Roy, "A Robust Biometric Authentication System for Handheld Electronic Devices by Intelligently Combining 3D Finger Motions and Cerebral Responses", IEEE Transactions on Consumer Electronics, vol. 67(1), pp. 58-67, 2021
[j26] A. Ahmed, D. P. Dogra, S. Kar, P. P. Roy, and D. K. Prasad, "Can we automate diagrammatic reasoning?", Pattern Recognition, vol. 106, pp. 107412, 2020.
[j25] S. Kumar, K. De, and P. P. Roy, "Movie Recommendation System using Sentiment Analysis from Microblogging Data", IEEE Transactions on Computational Social Systems, vol. 7(4), pp. 915-923, 2020
[j24] S. Mukherjee, P. Kumar and P. P. Roy, "Fusion of spatio-temporal information for Indic word recognition combining Online and Offline text data", ACM Transactions on Asian and Low-Resource Language Information Processing, vol. 19(2), pp. 33:1-33:24, 2020
[j23] D. Sadhya, K. De, R. Balasubramanian and P. P. Roy, "Development of a clustering based fusion framework for locating the most consistent IrisCodes bits", Information Sciences, vol. 491, pp. 1-15, 2019
[j22] A. K. Bhunia, S. Mukherjee, A. Sain, A. K. Bhunia, P. P. Roy and U. Pal, "Indic Handwritten Script Identification using Offline-Online Multimodal Deep Network", Information Fusion, vol. 57, pp. 1-14, 2020
[j21] K. K. Santhosh, D. P. Dogra, P. P. Roy and B. B. Chaudhuri, "Trajectory-based Scene Understanding using Dirichlet Process Mixture Model", IEEE Transactions on Cybernetics, vol. 51(8), pp. 4148-4161, 2021
[j20] A. K. Bhunia, A. K. Bhunia, S. Ghose, A. Das, P. P. Roy and U. Pal, "A Deep One-Shot Network for Query-based Logo Retrieval", Pattern Recognition, vol. 96, 2019.
[j19] N. Bhattacharya, P. P. Roy and U. Pal, "Sub-stroke-wise Relative Feature for Online Indic Handwriting Recognition", ACM Transactions on Asian and Low-Resource Language Information Processing, vol.18(2), pp. 11:1-11:16, 2019.
[j18] S. K. Behera, S. Bhoi, D. P. Dogra and P. P. Roy, "Robustness Analysis of Motion Sensor Guided Air Authentication System", IEEE Transactions on Consumer Electronics, vol. 64(2), pp. 171-179, 2018
[j17] S. Kumar, M. Yadava and P. P. Roy, "Fusion of EEG Response and Sentiment Analysis of Products Review to Predict Customer Satisfaction", Information Fusion, vol. 52, pp. 41-52, 2019
[j16] P. Kumar, S. Mukherjee, R. Saini, P. Kaushik, P. P. Roy and D. P. Dogra, "Multimodal Gait Recognition with Inertial Sensor Data and Video using Evolutionary Algorithm", IEEE Transactions on Fuzzy Systems, vol. 27(5), pp. 956-965, 2019.
[j15] A. K. Bhunia, A. Konwer, A. Bhowmick, A. K. Bhunia, P. P. Roy and U. Pal, "Script Identification in Natural Scene Image and Video Frame using Attention based Convolutional-LSTM Network", Pattern Recognition, vol. 85, pp. 172-184, 2019
[j14] A. Ahmed, D. P. Dogra, S. Kar and P. P. Roy, "Trajectory-based surveillance analysis: A survey", IEEE Transactions on Circuits and Systems for Video Technology, vol. 29(7), pp. 1985-1997, 2019
[j13] K. K. Santhosh, D. P. Dogra and P. P. Roy, "Temporal Unknown Incremental Clustering Model for Analysis of Traffic Surveillance Videos", IEEE Transactions on Intelligent Transportation Systems, vol. 20(5), pp. 1762-1773, 2019.
[j12] A. K. Bhunia, P. P. Roy, A. Mohta and U. Pal, "Cross-language Framework for Word Recognition and Spotting of Indic Scripts", Pattern Recognition, vol. 79, pp. 12-31, 2018
[j11] R. Saini*, B. Kaur*, P. Singh, P. Kumar, P. P. Roy, R. Balasubramanian and D. Singh, "Don't Just Sign Use Brain Too: A Novel Multimodal Approach for User Identification and Verification", Information Sciences, vol. 430, pp. 163-178, 2018 [*Both authors contributed equally]
[j10] P. Kumar, P. P. Roy and D. P. Dogra, "Independent Bayesian Classifier Combination based Sign Language Recognition using Facial Expression", Information Sciences, vol. 428, pp. 30-48, 2018.
[j9] N. Bhattacharya, U. Pal and P. P. Roy, "Cleaning of Online Bangla Free-form Handwritten Text", ACM Transactions on Asian and Low-Resource Language Information Processing, vol. 17(1), pp. 8:1-8:25, 2017.
[j8] H. Gauba, P. Kumar, P. P. Roy, P. Singh, D. P. Dogra and R. Balasubramanian, "Prediction of Advertisement Preference by Fusing EEG Response and Sentiment Analysis", Neural Networks, vol. 92, pp. 77-88, 2017.
[j7] P. P. Roy, A. K. Bhunia, A. Das, P. Dey and U. Pal, "HMM-based Indic Handwritten Word Recognition using Zone Segmentation", Pattern Recognition, vol. 60, pp. 1057-1075, 2016.
[j6] Y. Chherawala, P. P. Roy and M. Cheriet, "Feature set evaluation for offline handwriting recognition systems: Application to the recurrent neural network model", IEEE Transactions on Cybernetics, vol. 46(12), pp. 2825-2836, 2015.
[j5] R. Mandal, P. P. Roy, U. Pal and M. Blumenstein, "Multi-lingual Date Field Extraction for Automatic Document Retrieval by Machine ", Information Sciences, vol. 314, pp. 277-292, 2014.
[j4] P. P. Roy, U. Pal, J. Lladós and M. Delalandre. "Multi-Oriented Touching Text Character Segmentation in Graphical Documents using Dynamic Programming". Pattern Recognition, vol. 45 (5), pp. 1972-1983, 2012.
[j3] P. P. Roy, U. Pal and J. Lladós. "Document seal detection using GHT and character proximity graphs". Pattern Recognition, vol.44, pp.1282-1295, 2011.
[j2] U. Pal, P. P. Roy, N. Tripathy and J. Lladós. "Multi-Oriented Bangla and Devnagari Text Recognition", Pattern Recognition, vol.43, pp. 4124-4136, 2010.
[j1] U. Pal and P. P. Roy, "Multi-oriented and curved text lines extraction from Indian documents", IEEE Transactions On Systems, Man and Cybernetics- Part B, vol.34, pp. 1676-1684, 2004.
Papers in conference abstract volumes / presented
Selected Conference Articles
(Others can be found at https://scholar.google.co.in/citations?user=moDpyKkAAAAJ&hl=en )
[c36] A. Anand, P. Shivakumara, P. P. Roy, and U. Pal, ”MEVL-STP: Multi-Encoder and Vision Language Model for Arbitrarily Shaped Scene Text Spotting", European Conference on Computer Vision (ECCV), Sweden, 2026.
[c35] A. Jain , N. Panwar , V. Kumar , A. Alaei , and P. P. Roy. "PINCurve-S: Physics-Informed Neural Curves with Spatial Attention for Efficient Low-Light Image Enhancement", IEEE International Conference on Image Processing (ICIP), Finland, 2026.
[c34] N. Panwar, V. Pandey, R. Tiwari, and P. P. Roy, ”Combining Spatio-Temporal Networks and Graph Attention Architectures for EEG-Based Workload Classification", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2025), Hyderabad, 2025
[c33] S. A. Rather, A. Kandwal, M. K. Pandit, and P. P. Roy, ”Quantum-behaved Particle Swarm Optimization For The Segmentation Of Kidney Stone Ct Images", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2025), Hyderabad, 2025
[c32] S. Singh, P. Keserwani, P. P. Roy, and M. Iwamura, ”DCDM: Diffusion-Conditioned-Diffusion Model for Scene Text Image Super-Resolution", European Conference on Computer Vision (ECCV), Italy, 2024.
[c31] G. Siddhad, S. Dey, P. P. Roy, DrowzEE-G-Mamba: Leveraging EEG and State Space Models for Driver Drowsiness Detection, International Conference on Pattern Recognition (ICPR), Kolkata, 2024.
[c30] S. A. Rather, P. P. Roy, and S. Das, ”Chaos Theory Based Gravitational Search Algorithm For Medical Image Segmentation, International Conference on Pattern Recognition (ICPR), Kolkata, 2024.
[c29] V. Pandey, N. Panwar, A. Kumbhar, P. P. Roy, and M. Iwamura, Enhanced Cross-Task EEG Classification: Domain Adaptation with EEGNet, International Conference on Pattern Recognition (ICPR), Kolkata, 2024.
[c28] G. Siddhad, S. Dey, P. P. Roy, and M. Iwamura, "Awake at the Wheel: Enhancing Automotive Safety through EEG-Based Fatigue Detection", International Conference on Pattern Recognition (ICPR), Kolkata, 2024.
[c27] G. Siddhad, P. P. Roy, and B. G. Kim, "Neural Networks Meet Neural Activity: Utilizing EEG for Mental Workload Estimation", International Conference on Pattern Recognition (ICPR), Kolkata, 2024.
[c26] A. R. Inturi, V. M. Manikandan, P. P. Roy, and B. G. Kim, "Multi-Level Feature Exploration using LSTM-Based Variational Autoencoder Network for Fall Detection", International Conference on Pattern Recognition (ICPR), Kolkata, 2024.
[c25] T. Lotey, A. Verma, and P. P. Roy, "EEG-based Mental Imagery Task Adaptation via Ensemble of Weight-Decomposed Low-Rank Adapters", International Conference on Pattern Recognition (ICPR),Kolkata, 2024.
[c24] P. Kaushik, I. Tripathi and P. P. Roy, "Motor Activity Recognition Using Eeg Data and Ensemble of Stacked BLSTM-LSTM Network and Transformer Model", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 1-5, Greece, 2023.
[c23] T. Lotey, P. Keserwani, G. Wasnik and P. P. Roy, "Cross-Session Motor Imagery EEG Classification using Self-Supervised Contrastive Learning", International Conference on Pattern Recognition (ICPR), pp. 975-981, Canada, 2022.
[c22] D. D. Chakladar, D. Samanta and P. P. Roy, "Multimodal Deep Sparse Subspace Clustering for Multiple Stimuli-based Cognitive task", International Conference on Pattern Recognition (ICPR), pp. 1098-1104, Canada, 2022.
[c21] D. D. Chakladar, S. Dey, P. P. Roy, and Masakazu Iwamura, "EEG-Based Cognitive State Assessment Using Deep Ensemble Model and Filter Bank Common Spatial Pattern", International Conference on Pattern Recognition (ICPR), pp. 4107-4114, Italy, 2020
[c20] S. Ghose, P. N. Chowdhury, P. P. Roy and U. Pal, " Modeling Extent-of-Texture Information for Ground Terrain Recognition", International Conference on Pattern Recognition (ICPR), pp. 4766-4773, Italy, 2020
[c19] A. Kumar, S. Ghose, P. N. Chowdhury, P. P. Roy and U. Pal, "UDBNET: Unsupervised Document Binarization Network via Adversarial Game", International Conference on Pattern Recognition (ICPR), pp. 7817-7824, Italy, 2020.
[c18] P. Kumar, S. Jain, R. Balasubramanian, P. P. Roy and M. Iwamura, "End-to-end Triplet Loss based Emotion Embedding System for Speech Emotion Recognition", International Conference on Pattern Recognition (ICPR), pp. 8766-8773, Italy, 2020.
[c17] P. Mukherjee, A. Das, A. K. Bhunia, and P. P. Roy. "Cogni-Net: Cognitive feature learning through deep visual perception", IEEE International Conference on Image Processing (ICIP), Taiwan, 2019. (Awarded as one of the "Top 10% papers").
[c16] A. K. Bhunia, A. K. Bhunia, A. Sain, and P. P. Roy. Improving document binariza- tion via adversarial noise-texture augmentation. IEEE International Conference on Image Processing (ICIP), Taiwan, 2019. (Awarded as one of the "Top 10% papers").
[c15] A. K. Bhunia, A. Das, A. K. Bhunia, S. R. K. Perla and P. P. Roy. Handwriting Recognition in Low-resource Scripts using Adversarial Learning. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), USA, 2019.
[c14] S. Mukherjee, S. Ghosh, S. Ghosh, P. Kumar, and P. P. Roy. Predicting Video-frames using encoder-convLSTM combination. International Conference on Acoustics, Speech, and Signal Processing (ICASSP), United Kingdom, 2019.
[c13] S. Nag, A. K. Bhunia, A. Konwer, and P. P. Roy. Facial Micro-expression Spotting and Recognition using Time Contrasted Feature with Visual Memory. International Conference on Acoustics, Speech, and Signal Processing (ICASSP), United Kingdom, 2019.
[c12] S. R. K. Perla, A. K. Bhunia, S. Ghose and P. P. Roy. User Constrained Thumbnail Generation using Adaptive Convolutions. International Conference on Acoustics, Speech, and Signal Processing (ICASSP), United Kingdom, 2019.
[c11] A. K. Bhunia, S. R. K. Perla, P. Mukherjee, A. Das and P. P. Roy, "Texture Synthesis Guided Deep Hashing for Texture Image Retrieval", Winter Conference on Applications of Computer Vision (WACV), USA, 2019.
[c10] S. Halder, K. De and P. P. Roy, "Perceptual Conditional Generative Adversarial Networks for End-to-End Image Colourization", Asian Conference on Computer Vision (ACCV), Australia, 2018.
[c9] S. K. Behera, A. K. Dash, D. P. Dogra and P. P. Roy, "Air Signature Recognition using Deep Convolutional Neural Network-Based Sequential Model", International Conference on Pattern Recognition (ICPR), China, 2018.
[c8] A. K. Bhunia, A. K. Bhunia, P. Banerjee, A. Konwer, A. Bhowmick, P. P. Roy and U. Pal, "Word Level Font-to-Font Image Translation using Convolutional Recurrent Generative Adversarial Networks", International Conference on Pattern Recognition (ICPR), China, 2018.
[c7] A. K. Bhunia, A. Bhowmick, A. K. Bhunia, A. Konwer, P. Banerjee, P. P. Roy and U. Pal, "Handwriting Trajectory Recovery using End-to-End Deep Encoder-Decoder Network", International Conference on Pattern Recognition (ICPR), China, 2018.
[c6] A. Konwer, A. K. Bhunia, A. Bhowmick, A. K. Bhunia, P. Banerjee, P. P. Roy and U. Pal, "Staff line Removal using Generative Adversarial Networks", International Conference on Pattern Recognition (ICPR), China, 2018.
[c5] Y. Chherawala, P. P. Roy and M. Cheriet, "Context-dependent BLSTM Models. Application to Offline Handwriting Recognition", International Conference on Image Processing (ICIP), France, 2014 (Awarded as one of the "Top 10% papers").
[c4] S. Roy, P. Shivakumara, P. P. Roy and C. L. Tan, "Wavelet-Gradient-Fusion for Video Text Binarization", In Proc. 21st International Conference on Pattern Recognition, (ICPR), Japan, 2012.
[c3] R. Mandal, P. P. Roy and U. Pal, "Date Field Extraction in Handwritten Documents", In Proc. 21st International Conference on Pattern Recognition (ICPR), Japan, 2012.
[c2] P. P. Roy, U. Pal, J. Lladós and M. Delalandre, "Multi-Oriented and Multi-Sized Touching Character Segmentation using Dynamic Programming", International Conference on Document Analysis and Recognition (ICDAR), Spain, pp.11-15, 2009 (Awarded as Best Student Paper).
[c1] P. P. Roy, U. Pal, J. Lladós and F. Kimura, "Convex Hull based Approach for Multi-Oriented Character Recognition from Graphical Documents", International Conference on Pattern Recognition (ICPR), USA, 2008
