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Partha Pratim Roy
Partha Pratim Roy Assistant Professor proy.fcs[at]iitr.ac.in +91-1332-284816 Website
Areas of Interest
  • Pattern Recognition, Multilingual Text Recognition, Biometrics
  • Computer Vision, Image Segmentation
  • Bio-Signal Analysis, EEG based Pattern Analysis
  • Machine Learning, Deep Learning, Temporal Data Analysis
Professional Background
FromToDesignationOrganisation
2014OngoingAssistant ProfessorIndian Institute of Technology Roorkee
Sep, 2013Jul, 2014Chief EngineerSamsung Research Institute, Noida
Jan, 2013Sep, 2013Postdoctoral Research FellowSynchromedia Lab, Canada
Nov, 2010Nov, 2012Postdoctoral Research FellowRFAI Lab, France
20032005Assistant System EngineerTATA Consultancy Services
Honors and Awards
AwardInstituteYear
"Top 10%" papers at ICIP 2014International Conference on Image Processing (ICIP), France2014
PhDAGAUR (Government of Catalunya), Spain2010
Best Student PaperInternational Conference on Document Analysis and Recognition (ICDAR 2009), Spain2009
Educational Details
DegreeSubjectUniversityYear
PhDComputer Science & EngineeringAutonomous University of Barcelona, Spain2010
MSComputer Science & EngineeringAutonomous University of Barcelona, Spain2006
B.Tech.Computer Science & EngineeringUniversity of Kalyani2002
Administrative Background
FromToDesignationOrganisationLevel
2015Till dateAssociated FacultyInstitute Computer Center, IIT Roorkee
2017Till dateOC ExaminationIIT Roorkee
2017Till dateOC BTPIIT Roorkee
20152017OC LibraryIIT Roorkee
20152018OC Training & PlacementIIT Roorkee
Sponsored Research Projects
TopicFunding AgencyYear
Automatic information retrieval from doctor's handwriting prescriptionIndian Statistical Institute, Kolkata2017
Multi-lingual Word SpottingIndian Statistical Institute Kolkata2017
Thermal imager with Calibrator for Bad Weather and Night VisionSMILE, IIT Roorkee2017
Multi-oriented Indic text recognition in natural scene and video imagesScience and Engineering Research Board, DST2016
Tracking Multiple People in Video SurveillanceFaculty Initiation Grant, SRIC, IIT Roorkee2015
Administrative Document AnalysisIndian Statistical Institute Kolkata2015
Memberships
  • IUPRAI, Life Member
Teaching Engagements
TitleCourse CodeClass NameSemester
Fundamentals of Object Oriented ProgrammingCSN-103B.Tech. (CSE & ECE) I YearAutumn
Data StructuresCSN-102B.Tech. (CSE & ECE) I YearSpring
Object Oriented Analysis and DesignCSN-291B.Tech. (CSE) II YearAutumn
Artificial IntelligenceCSN-371B.Tech. (CSE & ECE) III YearAutumn
Computer GraphicsCSN-372B.Tech. (CSE & ECE) III Year Autumn
Machine LearningCSN-382B.Tech.III Year & M.Tech.I YearSpring
Data Mining and WarehousingCSN-515B.Tech.IV Year & M.Tech.I yearSpring
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Year
Sign Language Recognition using Depth SensorsDr. Pradeep KumarA2014
Visits to outside institutions
Institute VisitedPurpose of VisitDate
Indian Statistical Institute, KolkataVisiting Scientist2018
Osaka Prefecture University, JapanResearch Collaboration2018
Indian Statistical Institute, KolkataVisiting Scientist2017
Indian Statistical Institute, KolkataVisiting Scientist2016
Indian Statistical Institute, KolkataVisiting Scientist2014
DEMOKRITOS Lab, GreeceResearch collaboration between RFAI Lab, France and CIL Lab, Greece.2012
Indian Statistical Institute, KolkataVisiting Scientist2012
Courses or Conferences Organised
Conference NameSponsored ByDate
Machine Learning and Its ApplicationsAICTE (Course Co-ordinator)09-07-2018
GIAN Course on Analysis and Applications of Document Image ProcessingMHRD4-12-2017
2nd International Conference on Computer Vision & Image Processing (CVIP-WM, 2017)MathWorks, Intec Infonet Pvt., and others9-9-2017
Vision, Graphics and their ApplicationsAICTE (Course Co-ordinator)04-07-2016
International Conference on Computer Vision and Image Processing (CVIP-2016)DST, DRDO, HP and others26-02-2016
Refereed Journal Papers

Research Profile DBLP , Google Scholar

Selected Journal Articles

[j73] R. Saini, P. Kumar, B. Kaur, P. P. Roy, D. P. Dogra and K. C. Santosh, "Kinect sensor-based interaction monitoring system using the BLSTM neural network in healthcare", International Journal of Machine Learning and Cybernetics, 2018.

[j72] R. Ghosh, P. Kumar and P. P. Roy, "A Dempster-Shafer Theory Based Classifier Combination for Online Signature Recognition and Verification Systems", International Journal of Machine Learning and Cybernetics, 2018.

[j71] S. Kumar, M. Yadava and P. P. Roy, "Fusion of EEG Response and Sentiment Analysis of Products Review to Predict Customer Satisfaction", Information Fusion, 2018.

[j70] S. Jaiswal, S. Virmani, V. Sethi, K. De and P. P. Roy, "An Intelligent Recommendation System using Gaze and Emotion Detection", Multimedia Tools and Applications, 2018.

[j69] A.K. Dash, S. K. Behera, D. P. Dogra and P. P. Roy, "Designing of Marker-based Augmented Reality Learning Environment for Kids Using Convolutional Neural Network Architecture", Displays, 2018.

[j68] K. K. Santhosh, D. P. Dogra and P. P. Roy, "A Queuing Theory based Approach for Prediction of Traffic Signal Duration using Dirichlet Process Mixture Model", Expert Systems with Applications, 2018.

[j67] A. Singhal, P. Kumar, R. Saini, P. P. Roy, D. P. Dogra and B. G. Kim, "Summarization of Videos by Analyzing Affective State of the User through Crowdsource", Cognitive Systems Research, 2018.

[j66] P. Kumar, A. Singhal, R. Saini, P. P. Roy and D. P. Dogra, "A Pervasive Authentication System for Cloud Environment using EEG Signals", Displays, 2018.

[j65] P. Singh, R. Balasubramanian and P. P. Roy, "Detection of Seal and Signature Entities with Hierarchical Recovery based on Watermark Self Embedding in Tampered Digital Documents", Displays, 2018.

[j64] 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, 2018.

[j63] 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, 2018.

[j62] A. Gupta, P. Kumar, H. Sahu, N. Nanecha, P. P. Roy and V. Chang, "Enhancing text using emotion detected from EEG signals", Journal of Grid Computing, 2018.

[j61] A. Bhattacharya, R. Saini, P. P. Roy, D. P. Dogra and S. Kar, "Recognizing Gender from Human Facial Regions using Genetic Algorithm", Soft Computing, 2018.

[j60] P. P. Roy, A. K. Bhunia, A. Bhattacharyya and U. Pal, "Word Searching in Scene Image and Video Frame in Multi-Script Scenario using Dynamic Shape Coding", Multimedia Tools and Applications, 2018.

[j59] 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, 2018.

[j58] 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, 2018.

[j57] P. Singh, P. P. Roy and R. Balasubramanian, "Writer identification using texture features: A comparative study", Computers and Electrical Engineering, 2018.

[j56] P. Banerjee, A. K. Bhunia, A. Bhattacharyya, P. P. Roy, S. Murala, “Local Neighborhood Intensity Pattern–A new texture feature descriptor for image retrieval", Expert Systems with Applications, 2018.

[j55] S. K. Behera, S. Bhoi, D. P. Dogra and P. P. Roy, "Robustness Analysis of Leap Motion Sensor Guided Air Authentication System", IEEE Transactions on Consumer Electronics, 2018.

[j54] R. Saini, P. Kumar, P. P. Roy and D. P. Dogra, "A Novel Framework of Continuous Human-Activity Recognition using Kinect", Neurocomputing, 2018.

[j53] K. K. Santhosh, D. P. Dogra and P. P. Roy, "Temporal Unknown Incremental Clustering (TUIC) Model for Analysis of Traffic Surveillance Videos", IEEE Transactions on Intelligent Transportation Systems, 2018.

[j52] R. Mandal, P. P. Roy, U. Pal and M. Blumenstein, "Bag-of-Visual-Words for Signature-Based Multi-Script Document Retrieval", Neural Computing and Applications, 2018.

[j51] B. Kaur, D. Singh and P. P. Roy, "Age and Gender Classification using Brain Computer Interface", Neural Computing and Applications, 2018.

[j50] A. Ahmed, D. P. Dogra, S. Kar and P. P. Roy, "Surveillance Scene Representation and Trajectory Anomaly Detection Using Aggregation of Multiple Concepts", Expert Systems with Applications, 2018.

[j49] S. K. Behera, D. P. Dogra and P. P. Roy, "Fast Recognition and Verification of 3D Air Signatures Using Convex Hull", Expert Systems with Applications, 2018.

[j48] A. K. Bhunia, P. P. Roy, A. Mohta and U. Pal, "Cross-language Framework for Word Recognition and Spotting of Indic Scripts", Pattern Recognition, 2018.

[j47] R. Saini, P. P. Roy and D. P. Dogra, "A Novel Point-Line Duality Feature for Trajectory Classification", The Visual Computer, 2018.

[j46] P. Kumar, R. Saini, P. P. Roy and U. Pal, "A Lexicon-free Approach for 3D Handwriting Recognition using Classifier Combination", Pattern Recognition Letters, 2017.

[j45] A. Fatir, P. P. Roy and D. P. Dogra, "Exercise Classification and Event Segmentation in HINE Videos", Machine Vision and Applications, 2017.

[j44] 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, 2017. [*Both authors contributed equally]

[j43] V. Khurana, P. Kumar, R. Saini and P. P. Roy, "EEG based Word Familiarity using Features and Frequency Bands Combination", Cognitive Systems Research, 2017.

[j42] 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.

[j41] R. Saini, P. P. Roy and D. P. Dogra, "A Segmental HMM based Trajectory Classification using Genetic Algorithm", Expert Systems With Applications, vol. 93, pp. 169-181, 2018.

[j40] A. Sain, A. K. Bhunia,  P. P. Roy and U. Pal, "Multi-Oriented Text Detection and Verification in Video Frames and Scene Images", Neurocomputing, vol. 275, pp. 1531-1549, 2018.

[j39] P. Kumar, R. Saini, P. P. Roy, P. Sahu and D. P. Dogra, "Envisioned Speech Recognition using EEG Sensors", Personal and Ubiquitous Computing, 2017.

[j38] 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, 2017.

[j37]  P. P. Roy, A. K. Bhunia and U. Pal, "HMM-based Writer Identification in Music Score Documents without Staff-Line Removal", Expert Systems With Applications, vol. 89, pp. 222-240, 2017.

[j36] S. K. Behera, D. P. Dogra and P. P. Roy, "Analysis of 3D Signatures Recorded Using Leap Motion Sensor", Multimedia Tools and Applications, 2017.

[j35] A. Ahmed, D. P. Dogra, S. Kar and P. P. Roy, "Unsupervised Classification of Erroneous Video Object Trajectories", Soft Computing, 2017.

[j34] P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "A Position and Rotation Invariant Framework for Sign Language Recognition (SLR) using Kinect", Multimedia Tools and Applications, 2017.

[j33] A. K. Bhunia,  G. Kumar, P. P. Roy, R. Balasubramanian and U. Pal, "Text Recognition in Scene Image and Video Frame using Color Channel Selection", Multimedia Tools and Applications, 2017.

[j32] Y. Chherawala, P. P. Roy and M. Cheriet, "Combination of context-dependent Bidirectional Long Short-term Memory classifiers for robust offline handwriting recognition", Pattern Recognition Letters, vol. 90, pp. 58-64, 2017.

[j31] M. Yadava, P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "Analysis of EEG Signals and Its Application to Neuromarketing", Multimedia Tools and Applications, vol. 76, pp. 19087–19111, 2017.

[j30] A. Mittal, P. P. Roy, P. Singh and R. Balasubramanian, "Rotation and Script Independent Text Detection from Video Frames using Sub Pixel Mapping", Journal of Visual Communication and Image Representation, vol. 46, pp. 187-198, 2017.

[j29] N. Bhattacharya, P. P. Roy, U. Pal and S. K. Setua, "Online Bangla Handwritten Word Recognition", Malaysian Journal of Computer Science, 2017.

[j28] P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "A Bio-Signal based Framework to Secure Mobile Devices", Journal of Network and Computer Applications, vol. 89, pp. 62-71, 2017.

[j27] 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.

[j26]  P. P. Roy, A. K. Bhunia, A. Das, P. Dhar and U. Pal, "Keyword Spotting in Doctor's Handwriting on Medical Prescriptions", Expert Systems With Applications, vol. 76, pp. 113-128, 2017.

[j25] D. Chakraborty, P. P. Roy, R. Saini, J. M. Alvarez and U. Pal, "Frame selection for OCR from video stream of book flipping", Multimedia Tools and Applications, 2016.

[j24] P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "Study of Text Segmentation and Recognition using Leap Motion Sensor", IEEE Sensors, vol. 17(5), pp. 1293-1301, 2017.

[j23] P. Kumar, H. Gauba, P. P. Roy and D. P. Dogra, "Coupled HMM-based Multi-Sensor Data Fusion for Sign Language Recognition", Pattern Recognition Letters, vol. 86, pp. 1-8, 2017.

[j22] K.C. Santosh and P. P. Roy, "Arrow detection in biomedical images using sequential classifier", International Journal of Machine Learning and Cybernetics, 2016.

[j21] B. Kaur, D. Singh and P. P. Roy, "A Novel Framework of EEG-based User Identification by Analyzing Music-Listening Behavior", Multimedia Tools and Applications, 2016.

[j20] P. Singh, R. Balasubramanian and P. P. Roy, "A multimodal biometric watermarking system for digital images in redundant discrete wavelet transform",  Multimedia Tools and Applications, vol. 76(3), pp. 3871-3897, 2017.

[j19] A. Alaei, P. P. Roy and U. Pal, "Logo and Seal Based Administrative Document Image Retrieval: A Survey", Computer Science Review, vol. 22, pp. 47-63, 2016.

[j18] P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "3D Text Segmentation and Recognition using Leap Motion", Multimedia Tools and Applications, vol. 76(15), pp. 16491–16510, 2017.

[j17]  P. P. Roy, A. K. Bhunia and U. Pal, "Date-Field Retrieval in Scene Image and Video Frame using Text Enhancement and Shape Coding", Neurocomputing, 2016.

[j16] P. Kumar, H. Gauba, P. P. Roy and D. P. Dogra, "A Multimodal Framework for Sensor based Sign Language Recognition", Neurocomputing, vol. 259, pp. 21-38, 2017.

[j15] N. Paul, A. Singh, A. Midya, P. P. Roy and D. P. Dogra, "Moving Object Detection using Modified Temporal Differencing and Local Fuzzy Thresholding", The Journal of Supercomputing, vol. 73(3), pp. 1120-1139, 2017.

[j14]  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.

[j13]  P. P. Roy, G. Zhong and M. Cheriet, "Tandem HMMs Using Deep Belief Networks for Offline Handwriting Recognition", Frontiers of Information Technology & Electronic Engineering, Vol.18 (7), pp. 978-988, 2017.

[j12] K.C. Santosh, N. Alam, P. P. Roy, L. Wendling, S. Antani and G. Thoma, "A simple and efficient arrowhead detection in biomedical images", International Journal of Pattern Recognition and Artificial Intelligence, vol. 30(5), pp. 1-16, 2016.

[j11] 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.

[j10]  P. P. Roy, F.Rayar and J.Y.Ramel, "Word Spotting in Historical Documents using Primitive based Dynamic Programming", Image and Vision Computing, vol. 44, pp. 15-28, 2015.

[j9] S. Roy, P. Shivakumara, P. P. Roy, U. Pal, C. L. Tan and T. Lu, "Bayesian Classifier for Multi-Oriented Video Text Recognition System", Expert Systems with Applications, vol. 42, pp. 5554-5566, 2015.

[j8] 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.

[j7]  P. P. Roy, U. Pal and J. Lladós. "Word Searching in Unconstrained Layout using Character Pair Coding", International Journal on Document Analysis and Recognition, vol. 17 (4), pp. 343-358, 2014.

[j6] R. Mandal, P. P. Roy and U. Pal, "Signature Segmentation from Machine Printed Documents using Contextual Information", International Journal of Pattern Recognition and Artificial Intelligence, vol. 26 (7), 2012.

[j5]  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.

[j4] P. P. Roy, U. Pal and J. Lladós. "Text Line Extraction in Graphical Documents using Background and Foreground Information". International Journal on Document Analysis and Recognition, vol. 15 (3), pp. 227-241, 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.

 

Selected Conference Articles

[c82] 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.

[c81] 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.

[c80] 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.

[c79] 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.

[c78] 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.

[c77] 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.

[c76] P. Keserwani, T. Ali and P. P. Roy, "A two phase trained Convolutional Neural Network for Handwritten Bangla Compound Character Recognition", International Conference on Advances in Pattern Recognition (ICAPR), India, 2017.

[c75] B. Kaur, D. Singh and P. P. Roy, "Eyes Open and Eyes Close Activity Recognition using EEG Signals", International Conference on Cognitive Computing and Information Processing (CCIP), India, 2017.

[c74] A. Ahmed, D. P. Dogra, S. Kar and P. P. Roy, "Natural language description of surveillance events", International Conference on Information Technology and Applied Mathematics (ICITAM), India, 2017.

[c73] P. Kumar, R. Saini, C. S. Tumma, P. P. Roy and D. P. Dogra, "Gait Analysis Using Shadow Motion", Asian Conference on Pattern Recognition (ACPR), China, 2017.

[c72] P. Keserwani, T. Ali and P. P. Roy, "TRPN: A Text Region Proposal Network in the wild under the constraint of low memory GPU", Asian Conference on Pattern Recognition (ACPR), China, 2017.

[c71] B. Kaur, P. Kumar, P. P. Roy and D. Singh, "Impact of aging on EEG based biometric systems", Asian Conference on Pattern Recognition (ACPR), China, 2017.

[c70] R. Saini, P. Kumar, S. Dutta, P. P. Roy and U. Pal, "Local Behavior Analysis for Trajectory Classification using Graph Embedding", Asian Conference on Pattern Recognition (ACPR), China, 2017.

[c69] S. Dutta, R. Saini, P. Kumar and P. P. Roy, "An Efficient Approach for Recognition and Verification of On-line Signatures using PSO", Asian Conference on Pattern Recognition (ACPR), China, 2017.

[c68] S. Behera, D. P. Dogra and P. P. Roy, "Characterization of Dense Crowd using Gibbs Entropy", International Conference on Computer Vision and Image Processing (CVIP), India, 2017.

[c67] A. Ahmed, D. P. Dogra, S. Kar and P. P. Roy, "Extraction of Long-duration Moving Object Trajectories from Curtailed Tracks", International Conference on Computer Vision and Image Processing (CVIP), India, 2017.

[c66] T. Ali and P. P. Roy, "Word Spotting based on Pyramidal Histogram of Characters Code for Handwritten Text Documents", International Conference on Computer Vision and Image Processing (CVIP), India, 2017.

[c65] R. Saini, P. Kumar, P. P. Roy and D. P. Dogra, "An Efficient Approach for Trajectory Classification using FCM and SVM", IEEE Tensymp, 2017.

[c64] P. Kumar, R. Saini, P. Sahu, P. P. Roy and D. P. Dogra, "Neuro-phone: An assistive framework to operate Smartphone using EEG signals", IEEE Tensymp, 2017.

[c63] P. Kumar, R. Saini, M. Yadava, P. P. Roy and D. P. Dogra, "Virtual Trainer with Real-Time Feedback using Kinect Sensor", IEEE Tensymp, 2017.

[c62] S. Kumaran, D. P. Dogra and P. P. Roy, "Real-time moving object classification using DPMM for road traffic management in smart cities", IEEE Tensymp, 2017.

[c61] S. K. Behera, D. P. Dogra and P. P. Roy, "Localization of signatures in continuous Air writing", IEEE Tensymp, 2017.

[c60] S. K. Behera, P. Kumar, D. P. Dogra and P. P. Roy, "Fast Signature Spotting in Continuous Air Writing", In Proc. Machine Vision Applications (MVA), Japan, pp. 314-317, 2017.

[c59] P. Kumar, R. Saini, S. K. Behera, D. P. Dogra and P. P. Roy, "Real-Time Recognition of Sign Language Gestures and Air-Writing using Leap Motion", In Proc. Machine Vision Applications (MVA), Japan, pp. 157-160, 2017.

[c58] R. Saini, A. Ahmed, D. P. Dogra and P. P. Roy, Classification of Object Trajectories Represented by High-Level Features Using Unsupervised Learning. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 273-284, 2017.

[c57] R. Saini, A. Ahmed, D. P. Dogra and P. P. Roy, Surveillance Scene Segmentation Based on Trajectory Classification Using Supervised Learning. International Conference on Com- puter Vision and Image Processing (CVIP), India, pp. 261-271, 2017.

[c56] A. Mittal, P. P. Roy and R. Balasubramanian. Multi-oriented Text Detection from Video Using Sub-pixel Mapping. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 331-341, 2017.

[c55] P. Dhar, J. M. Alvarez and P. P. Roy, Efficient Framework for Action Recognition Using Reduced Fisher Vector Encoding. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 343-354, 2017.

[c54] R. Ghosh and P. P. Roy, Study of Zone-Based Feature for Online Handwritten Signature Recognition and Verification in Devanagari Script. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 523-530, 2017.

[c53] S. Bhoi, D. P. Dogra, and P. P. Roy, On-line Gesture Based User Authentication System Robust to Shoulder Surfing. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 557-566, 2017.

[c52] A. F. Ansari, P. P. Roy, and D. P. Dogra. Posture Recognition in HINE Exercises. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 321-330, 2017.

[c51] M. Verma, N. Sood, P. P. Roy, and R. Balasubramanian. Script Identi cation in Natural Scene Images: A Dataset and Texture-Feature Based Performance Evaluation. International Conference on Computer Vision and Image Processing (CVIP), India, pp. 309-319, 2017.

[c50] R. Ghosh and P. P. Roy, "Comparison of Zone-Features for Online Bengali and Devanagari Word Recognition using HMM", International Conference on Frontiers in Handwriting Recognition (ICFHR), 2016.

[c49] P. Dey, D. P. Dogra, P. P. Roy and H. Bhaskar, "Autonomous vision-guided approach for the analysis and grading of vertical suspension tests during Hammersmith Infant Neurological Examination (HINE)", Engineering in Medicine and Biology Society (EMBC), 2016.

[c48] K.C. Santosh, N. Alam, P. P. Roy, L. Wendling, S. Antani and G. Thoma, "Arrowhead detection in Biomedical Images", Document recognition and retrieval (XXIII), IS&T Electronic imaging symposium, 2016

[c47] S. Bhoi, D. P. Dogra and P. P. Roy, "Handwritten Text Recognition In Odia Script Using Hidden Markov Model", National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG), 2015.

[c46] J. H. Bosamiya, P. Agrawal, P. P. Roy and R. Balasubramanian, "Script independent scene text segmentation using fast stroke width transform and GrabCut", In Proc. Asian Conference on Pattern Recognition (ACPR), pp. 151-155, 2015.

[c45] A. Das, A. K. Bhunia, P. P. Roy and U. Pal:"Handwritten word spotting in Indic scripts using foreground and background information", In Proc. Asian Conference on Pattern Recognition (ACPR), pp. 426-430, 2015.

[c44] C. Agarwal, D. P. Dogra, R. Saini and P. P. Roy, "Segmentation and recognition of text written in 3D using Leap motion interface", In Proc. Asian Conference on Pattern Recognition (ACPR), pp. 539-543, 2015.

[c43] N. Bhattacharya, V. Frinken, U. Pal and P. P. Roy, "Overwriting repetition and crossing-out detection in online handwritten text", In Proc. Asian Conference on Pattern Recognition (ACPR), pp. 680-684, 2015.

[c42] P. P. Roy, A. Das, D. Majhi and U. Pal, "Retrieval of scene image and video frames using date field spotting", In Proc. Asian Conference on Pattern Recognition (ACPR), pp. 705-709, 2015.

[c41] N. Sharma, R. Mandal, R. Sharma, P. P. Roy, U. Pal and M. Blumenstein, "Multi-lingual text recognition from video frames", In Proc.13th International Conference on Document Analysis and Recognition (ICDAR), pp. 951-955, 2015.

[c40] R. Mandal, P. P. Roy, U. Pal and M. Blumenstein, "Date field extraction from handwritten documents using HMMs", In Proc.13th International Conference on Document Analysis and Recognition (ICDAR), pp. 866-870, 2015.

[c39] A. K. Bhunia, A. Das, P. P. Roy and U. Pal, "A comparative study of features for handwritten Bangla text recognition", In Proc.13th International Conference on Document Analysis and Recognition (ICDAR),  pp. 636-640, 2015.

[c38] S. Gaur, S. Sonkar and P. P. Roy, "Generation of synthetic training data for handwritten Indic script recognition", In Proc.13th International Conference on Document Analysis and Recognition (ICDAR), pp. 491-495, 2015.

[c37] R. Ghosh and P. P. Roy, "Study of two zone-based features for online Bengali and Devanagari character recognition", In Proc.13th International Conference on Document Analysis and Recognition (ICDAR), pp. 401-405, 2015.

[c36] 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").

[c35] P. P. Roy, Y. Chherawala and M. Cheriet, "Deep-Belief-Network based Rescoring Approach for Handwritten Word Recognition", In Proc. 14th International Conference on Frontiers in Handwriting Recognition (ICFHR), Greece, 2014.

[c34] P. P. Roy, P. Dey, S. Roy, U. Pal, F. Kimura, "A Novel Approach of Bangla Handwritten Text Recognition using HMM", In Proc. 14th International Conference on Frontiers in Handwriting Recognition (ICFHR), Greece, 2014.

[c33] A. J. Hati, P. P. Roy, U. Pal, "Writer Identification in Music Score Documents without Staff-Line Removal", In Proc. 14th International Conference on Frontiers in Handwriting Recognition (ICFHR), Greece, 2014.

[c32] A. Alaei and P. P. Roy, "A New Method for Writer Identification based on  Histogram Symbolic Representation", In Proc. 14th International Conference on Frontiers in Handwriting Recognition (ICFHR), Greece, 2014.

[c31] P. P. Roy, S. Roy and U. Pal. "Multi-oriented Text Recognition in Graphical Documents Using HMM". Document Analysis Systems (DAS), Tours, France, pp. 136-140, 2014

[c30] D. Chakraborty, P. P. Roy, J. M. Alvarez and U. Pal, "OCR from Video Stream of Book Flipping", Asian Conference on Pattern Recognition (ACPR), Japan, pp.130-134, 2013

[c29] S. Roy, P. P. Roy, P. Shivakumara, and U. Pal, "Word recognition in natural scene and video images using Hidden Markov Model", National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG), 2013.

[c28] D. Chakraborty, P. P. Roy, J. M. Alvarez and U. Pal, "Duplicate open page removal from video stream of book flipping", National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG), 2013.

[c27] S. Roy, P. P. Roy, P. Shivakumara, G. Louloudis, C. L. Tan and U. Pal, "HMM-Based Multi Oriented Text Recognition in Natural Scene Image". Asian Conference on Pattern Recognition (ACPR), Japan, pp. 288-292, 2013.

[c26] Y. Chherawala, P. P. Roy and M. Cheriet, "Feature Design for Offline Arabic Handwriting Recognition: Handcrafted vs Automated?", In Proc.12th International Conference on Document Analysis and Recognition (ICDAR).Washington, USA, pp. 290-294, 2013.

[c25] A. Tarafdar, U. Pal, P. P. Roy, N. Ragot and J.Y. Ramel, "A Two-Stage Approach for Word Spotting in Graphical Documents", In Proc.12th International Conference on Document Analysis and Recognition (ICDAR).Washington, USA, pp. 319-323, 2013.

[c24] R. Malik, P. P. Roy, U. Pal and F. Kimura, "Handwritten Musical Document Retrieval using Music-Score Spotting", In Proc.12th International Conference on Document Analysis and Recognition (ICDAR).Washington, USA, pp. 832-836, 2013.

[c23] 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.

[c22] 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.

[c21] P. P. Roy, S. Bhowmick, U. Pal and J. Y. Ramel , "Signature based Document Retrieval using GHT of Background Information", In Proc. 13th International Conference on Frontiers in Handwriting Recognition (ICFHR), pp.225-230, 2012.

[c20] P. P. Roy, F.Rayar and J.Y.Ramel, "An efficient coarse-to-fine indexing technique for fast text retrieval in historical documents", In Proc. of the 10th IAPR International Workshop on Document Analysis Systems (DAS), (Queensland), Australia, pp. 150-154, 2012.

[c19] P. P. Roy, J.Y. Ramel and N. Ragot, "Word Retrieval in Historical Document using Character-Primitives", In Proc.11th International Conference on Document Analysis and Recognition (ICDAR).Beijing, China, pp. 678-682, 2011.

[c18] R. Mandal, P. P. Roy and U. Pal, "Signature Segmentation from Machine Printed Documents using Conditional Random Field", In Proc.11th International Conference on Document Analysis and Recognition (ICDAR).Beijing, China, pp. 1170-1174, 2011.

[c17] D. Karatzas, S. R. Mestre, J. Mas, F. Nourbakhsh and P. P. Roy, "ICDAR 2011 Robust Reading Competition - Challenge 1: Reading Text in Born-Digital Images (Web and Email)", In Proc.11th International Conference on Document Analysis and Recognition (ICDAR). Beijing, China, pp.1485-1490, 2011.

[c16] R. Mandal, P. P. Roy and U. Pal, "Signature Segmentation from Machine Printed Documents using Contextual Information", Workshop on Graphics Recognition (GREC). Seoul, Korea, pp. 126-129, 2011.

[c15] P. P. Roy, U. Pal and J. Lladós, "Query Driven Word Retrieval in Graphical Documents", In Proc. of the 9th IAPR International Workshop on Document Analysis Systems (DAS), Boston, USA, pp. 191-198, 2010

[c14] P. P. Roy, U. Pal and J. Lladós, "Seal Object Detection in Document Images using GHT of Local Component Shapes", In Proc. 25th ACM Symposium on Applied Computing (SAC), Sierre, Switzerland, 2010.

[c13] P. P. Roy, U. Pal and J. Lladós, "Touching Text Character Localization in Graphical Documents Using SIFT", Revised Selected Papers of Workshop on Graphics Recognition (GREC), Lecture Notes in Computer Science (LNCS), pp. 199-211, 2010.

[c12] P. P. Roy, U. Pal, J. Lladós and M. Delalandre, "Multi-Oriented and Multi-Sized Touching Character Segmentation using Dynamic Programming", In Proc.10th International Conference on Document Analysis and Recognition (ICDAR), Barcelona, Spain, pp.11-15, 2009 (Awarded as Best Student Paper).

[c11] P. P. Roy, U. Pal and J. Lladós, "Seal detection and recognition: An approach for document indexing", In Proc.10th International Conference on Document Analysis and Recognition (ICDAR), Barcelona, Spain, pp.101-105, 2009.

[c10] P. P. Roy, J. Lladós and U. Pal, "A Complete System for Detection and Recognition of Text in Graphical Documents using Background Information", International Conference on Computer Vision Theory and Applications (VISAPP), Lisbon, Portugal, 2009

[c9] P. P. Roy, U. Pal and J. Lladós, "Recognition of Multi-Oriented Touching Characters in Graphical Documents", 6th Indian Conference on Computer Vision, Graphics & Image Processing (ICVGIP), Bhubaneswar, India, pp. 297-304, 2008

[c8] 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), Tampa, USA, 2008

[c7] P. P. Roy, U. Pal, J. Lladós and F. Kimura, "Multi-Oriented English Text Line Extraction Using Background and Foreground Information", Proceedings of the 8th IAPR International Workshop on Document Analysis Systems (DAS), Nara, Japan, pp. 315-322, 2008

[c6] P. P. Roy, U. Pal and J. Lladós, "Multi-Oriented Character Recognition from Graphical Documents", 2nd International Conference on Cognition and Recognition (ICCR), Mandya, India, pp. 30-35, 2008

[c5] P. P. Roy, U. Pal and J. Lladós, "Morphology Based Handwritten Line Segmentation using Foreground and Background Information", International Conference on Frontiers in Handwriting Recognition (ICFHR), Montreal, Canada, pp. 241-246, 2008

[c4] P. P. Roy, E. Vazquez, J. Lladós, R. Baldrich and U. Pal,"A system to segment text and symbols from color maps", Revised Selected Papers of Workshop on Graphics Recognition (GREC), Lecture Notes in Computer Science (LNCS), pp. 245-256, 2008.

[c3] J. Lladós, P. P. Roy, J. Rodríguez and G. Sánchez, "Word Spotting in Archive Documents using Shape Contexts", 3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA), Girona, Spain, pp. 290-297, 2007

[c2] P. P. Roy, J. Lladós and U. Pal,"Text/Graphics separation in colour maps", In Proc. Intl. Conference on Computing: Theory and Applications (ICCTA), Kolkata, India, pp. 545-549, 2007 

[c1] U. Pal and P. P. Roy,"Text Lines Extraction from Indian Documents", In Proc. Fifth International Conference on Advances in Pattern Recognition (ICAPR), pp. 275-289, 2003.

 

Miscellaneous
  • Qualified for ``Assistant Professor" (MCF-2012-27-12227230857), France in 2012