Publications
Publications
C. Pal, I. Mukherjee, S. Pratihar, S. Chatterji, Lightweight Deep Learning Approach for Monitoring Plant Stress Caused by Nitrogen Deficiency, Signal, Image and Video Processing, 2025 (Accepted).
S. Das, S. Pratihar, B. Pradhan, Advanced Deep Learning Models for Automatic Detection of Driver’s Facial Expressions, Movements, and Alertness in Varied Lighting Conditions: A Comparative Analysis, Multimedia Tools and Applications, Vol. 84, pages 2947-2983, 2025.
C. Pal, I. Mukherjee, S. Chatterji, S. Pratihar, P. Mitra, P. P. Chakrabarti, Robust Deep Convolutional Solutions for Identifying Biotic Crop Stress in Wild Environments, IEEE Tran. on AgriFood Electronics, Vol. 2(2), pages 497-508, 2024.
C. Pal, S. Chatterji, S. Pratihar, An Offline Biotic Stress Recognition Tool for Rice Plants through Domain Shift, SN Computer Science, Vol 5, Art, 478, 2024.
Sourav Samanta, Sanjoy Pratihar, Md Ajij, Sanjay Chatterji, Fast and Robust Monitoring of Broken Rice Kernels in the Course of Milling, Multimedia Tools and Applications, Vol. 83(17), pages 51337-51365 (2024).
S. Das, S. Pratihar, B. Pradhan, F. Benedetto, IoT-Assisted Automatic Driver Drowsiness Detection through Facial Movement Analysis Using Deep Learning and a U-Net-Based Architecture, Information, Vol. 15(1), Art. 30 (2024).
Sourav Mandal, Oishila Bandyopadhyay, Sanjoy Pratihar, Geometry Based Counting and Classification of WBCs for Analysis of Leukocyte Disorders, SN Computer Science, 5(1): 116 (2024).
Sagarika Ghosh, Sanjoy Pratihar, Sanjay Chatterji, Anupam Basu, Matching of Hand-Drawn Flowchart, Structured Pseudocode, and English Description using Transfer Learning, Multimedia Tools and Applications, 82, pages 27027–27055 (2023).
M. Ajij, S. Pratihar, D. S. Roy, Automated Generation of Text-handles from Scanned Images of Scholarly Articles for Indexing in Digital Archive, Multimedia Tools and Applications, 82, pages 22373–22404 (2023).
A. Choudhury, S. Samanta, S. Pratihar, O. Bandyopadhyay, Multilevel Image Segmentation using Global Steered Quantum Inspired Firefly Algorithm, Applied Intelligence, 52, 7339–7372 (2022).
M. Ajij, S. Pratihar, D. S. Roy, T. Hanne, Robust Detection of Tables in Documents using Scores from Table Cell Cores, SN Computer Science, 3, 161 (2022).
M. Ajij, S. Pratihar, D. S. Roy, T. Hanne, Off-line Signature Verification using Elementary Combinations of Directional Codes from Boundary Pixels, Neural Computing & Applications, 35, pages 4939–4956 (2023).
B. Pradhan, V. Vijaykumar, S. Pratihar, D. Kumar, K. H. K. Reddy, D. S. Roy, A Genetic Algorithm based Energy Efficient Group paging Approach for IoT over 5G, Journal of Systems Architecture, Vol. 113: 101878, 2021.
S. Pratihar and P. Bhowmick, Fast and Direct Polygonization for Gray-Scale Images Using Digital Straightness and Exponential Averaging, International Journal of Image and Graphics, Vol. 16, Pages: 1650007: 1-36, 2016.
S. Pratihar, P. Bhowmick, S. Sural, and J. Mukhopadhyay, Skew Correction of Document Images by Rank Analysis in Farey Sequence, International Journal of Pattern Recognition and Artificial Intelligence, Vol. 27(7), Pages: 1353004: 1-35, 2013.
S. Pratihar and P. Bhowmick, On Farey Sequence and its Augmentation for Applications to Image Analysis, International Journal of Applied Mathematics and Computer Science, Vol. 27(3), Pages: 637-658, 2017.
B. Paria, S. Pratihar and P. Bhowmick, On Farey Table and its Compression for Space Optimization with Guaranteed Error Bounds, Mathematics for Applications (published by the Institute of Mathematics, Brno University of Technology, Czech Republic), Vol. 5(2), Pages: 123 - 145, 2016.
Sourav Samanta, Sanjoy Pratihar, Sanjay Chatterji, Precise and Quantitative Chlorosis Severity Assessment Framework using Evolutionary Superpixels, (Submitted August 2024), Under Revision, June 2025.
Submitted / To be Submitted
S. Das, S. Pratihar, B. Pradhan, Deep Learning-based Drivers’ Emotion Recognition under Challenging Low-light Condition, July 2025.
S. Das, S. Pratihar, B. Pradhan, Deep Spatio-Temporal CNN-BiLSTM Model for Analyzing Drivers' Facial Expressions under Blur, Noise, and Illumination Variations, September 2025.
A. Saha, S. Pratihar, Prufer Code-based Efficient Node-to-node Pathfinding in a Network, September 2025.
S. Mandal, O. Bandyopadhyay, S. Pratihar, Cervical Cancer Diagnosis from Pap Smear Using an Enhanced Extreme Learning Machine, September 2025.
S. Pratihar and P. Bhowmick, On Applying the Farey Sequence for Shape Representation in Z2, Speech, Image and Language Processing for HCI: Multi-modal Enhancements, Chapter 9, Pages 172-190, U.S. Tiwary and T.J. Siddiqui (Ed.), IGI Global, 2012.
A. Saha, S. Pratihar, On Application of Prufer Codes for Grid-free Lock Pattern Understanding, CVIP 2024, Chennai, 2024 (Accepted).
S. Bandyopadhyay, D. Dutta and S. Pratihar, A Comprehensive Analysis of Fast-Food Classification Using You Only Look Once (YOLO) Model, ICCCNT 2024 (IIT Mandi) (Accepted).
S. Ghosh, S. Das, S. Chatterji, S. Pratihar, Cross-Language Code Matching with IR2Vec and Cross-Entropy Loss, NLPIR 2024 (Accepted).
S. Samanta, S. Pratihar, S. Chatterji, Feature Selection Using Quantum Inspired Island Model Genetic Algorithm for Wheat Rust Disease Detection and Severity Estimations, VISAPP 2024 (IAPR Endorsed), Rome, Italy, 2024 (to appear in proc.).
A. Choudhury, S. Samanta, S. Pratihar, O. Bandyopadhyay, Color Hippocampus Image Segmentation using Quantum Inspired Firefly Algorithm and Merging of Channel-wise Optimums, IWBBIO 2023 (The University of Granada, Spain), LNCS, Vol 13920, pp. 270-282, 2023.
S. Samanta, S. Pratihar, S. Chatterji, Leaf Spot Disease Severity Measurement in Terminalia Arjuna using Optimized Superpixels, CVIP 2022, VNIT Nagpur, CCIS (Springer) vol 1777, pp 722–735, 2023.
A. Choudhury, S. Samanta, S. Pratihar, O. Bandyopadhyay, Segmentation of Brain MR Images Using Quantum Inspired Firefly Algorithm with Mutation, IWBBIO 2022 (The University of Granada, Spain), LNCS, Vol 13346, pp. 364-377, 2022.
S. Mandal, O. Bandyopadhyay, S. Pratihar, Acute Lymphocytic Leukemia Classification using Color and Geometry Based Features, CIPR-2022 (IIEST Shibpur), CIPR 2022. LNNS vol 480, pp. 469-478, 2022.
S. Mandal, O. Bandyopadhyay, S. Pratihar, Detection of Concave Points in Closed Object Boundaries Aiming at Separation of Overlapped Objects, 5th IAPR CVIP-2020, IIIT Allahabad, pp. 514 - 525, 2020.
Md. Ajij, Diptendu Sinha Roy, Sanjoy Pratihar, PIPP: Person Identification from Palm-surface Polygons, IVCNZ, pp. 1-6, The University of Otago, Dunedin, NZ, 2019.
Md. Ajij, Diptendu Sinha Roy, Sanjoy Pratihar, Plant Leaf Recognition using Geometric Features and Pearson Correlations, IVCNZ, pp. 1-6, The University of Otago, Dunedin, NZ, 2019.
Md. Ajij and Sanjoy Pratihar, Quasi-straightness based Features for Off-line Verification of Signatures, ISBA-2017 (IEEE Biometrics Council), IIIT Delhi, pp. 1-7, 2017.
M. Ajij, S. Pratihar, K. Ganguly, Detection and Retargeting of Emphasized Text for Content Summarization, The fifth Intl. Conf. on Advances in Computing, Communications and Informatics (ICACCI), LNMIIT, Jaipur, IEEE Press, pp. 15-21, 2016.
S. Pratihar, N. Begum, Understanding Shape Context by Analysis of Farey Ranks, 5th Intl. Conf. on Informatics, Electronics & Vision, Dhaka University, Dhaka, IEEE, pp. 580-585, 2016.
S. Pratihar, P. Bhowmick, S. Sural, and J. Mukhopadhyay, Detection and Removal of Hand-drawn Underlines in a Document Image using Approximate Digital Straightness, Workshop on Document Analysis and Recognition (workshop with ICVGIP 2012), IIT Bombay, ACM Press, pp. 124-131, 2012.
S. Pratihar, P. Bhowmick, Skew Correction of Engineering Drawings by Digital-geometric Analysis of Farey Ranks, Intl. Conf. on Image and Information Processing, Jaypee University of Information Technology, Shimla, IEEE Press, pp. 1-6, 2011.
S. Pratihar, P. Bhowmick, Vectorization of Thick Digital Lines Using Farey Sequence and Geometric Refinement, The 7th Indian Conf. on Computer Vision, Graphics and Image Processing (ICVGIP), IIT Madras, Chennai, ACM Press, pp. 518-525, 2010.
S. Pratihar, P. Bhowmick, Shape Decomposition Using Farey Sequence and Saddle Points, The 7th Indian Conf. on Computer Vision, Graphics and Image Processing (ICVGIP), IIT Madras, Chennai, ACM Press, pp. 77-84, 2010.
S. Pratihar, S. Pal, P. Bhowmick, A. Biswas, and B. B. Bhattacharya, Recognition of Hand-drawn Graphs Using Digital-geometric Techniques, 12th International Conference on Frontiers in Handwriting Recognition, 12th Intl. Conf. on Frontiers in Handwriting Recognition (ICFHR), ISI Kolkata, Kolkata, IEEE CS Press, pp. 89-94, 2010.
S. Das, K. Halder, S. Pratihar, and P. Bhowmick, Properties of Farey Sequence and their Applications to Digital Image Processing, 4th Intl. Conf. on Information Processing, Bangalore University, Bangalore, pp. 71-81, 2010.
S. Pratihar, P. Bhowmick, A Thinning-free Algorithm for Straight Edge Detection in a Gray-scale Image, 7th Intl. Conf. on Advances in Pattern Recognition (ICAPR), ISI Kolkata, Kolkata, IEEE CS Press, pp. 341-344, 2009.
S. Pratihar, P. Bhowmick, S. Sural, and J. Mukhopadhyay, Removal of Hand-drawn Annotation Lines from Document Images by Digital-geometric Analysis and Inpainting, NCVPRIPG, IIT Jodhpur, Jodhpur, India, pp. 1-4, 2013.