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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, Sequence 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
Best Student PaperInternational Conference on Document Analysis and Recognition (ICDAR 2009), Spain2009
"Top 10%" papers at ICIP 2014International Conference on Image Processing (ICIP), France2014
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
20152017Associated FacultyInstitute Computer Center, IIT Roorkee
20172018OC ExaminationIIT Roorkee
20152017OC LibraryIIT Roorkee
20152018OC Training & PlacementIIT Roorkee
Sponsored Research Projects
TopicFunding AgencyYear
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
Memberships
  • IUPRAI, Life Member
Teaching Engagements
TitleCourse CodeClass NameSemester
Fundamentals of Object Oriented ProgrammingCS-103B.Tech. (CSE & ECE) I YearAutumn
Data StructuresCSN-102B.Tech. (CSE & ECE) I YearSpring
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
Visits to outside institutions
Institute VisitedPurpose of VisitDate
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
International Conference on Computer Vision and Image Processing (CVIP-2016)DST, DRDO, HP and others26-02-2016
Vision, Graphics and their ApplicationsAICTE (Course Co-ordinator)04-07-2016
Refereed Journal Papers

Publication in Journal

32. 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.

31. 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, 2017.

30. 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, 2017.

29. 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, 2017.

28. 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, 2017.

27. 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, 2017.

26. 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, 2017.

25. 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.

24. P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "Study of Text Segmentation and Recognition using Leap Motion Sensor", IEEE Sensors, 2016.

23. 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.

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

21. 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.

20. P. Singh, R. Balasubramaniann 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.

19. 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.

18. P. Kumar, R. Saini, P. P. Roy and D. P. Dogra, "3D Text Segmentation and Recognition using Leap Motion", Multimedia Tools and Applications, 2016.

17. 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.

16. P. Kumar, H. Gauba, P. P. Roy and D. P. Dogra, "A Multimodal Framework for Sensor based Sign Language Recognition", Neurocomputing, 2016.

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

14. 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.

13. P. P. Roy, G. Zhong and M. Cheriet, "Tandem HMMs Using Deep Belief Networks for Offline Handwriting Recognition", Frontiers of Information Technology & Electronic Engineering, 2016.

12. 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.

11. 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, 2016.

10. 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.

9. 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

8. 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.

7. 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.

6. 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.

5. 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. 

4. 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.

3. 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.

2. 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.

1. U. Pal and P. P. Roy,"Multi-oriented and curved text lines extraction from Indian documents", IEEE Trans. On Systems, Man and Cybernetics- Part B, vol.34, pp. 1676-1684, 2004.

 

Publication in International Conference:

49.S. K. Behera, P. Kumar, D. P. Dogra and P. P. Roy, "Fast Signature Spotting in Continuous Air Writing", In Proc. Machine Vision Applications, Nagoya, Japan, 2017.

48. 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, Nagoya, Japan, 2017.

47. 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), Florida, USA, 2016.

46. 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), Shenzhen, China, 2016.

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

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

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

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

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

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

39.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), Nancy, France, pp. 951-955, 2015.

38. 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), Nancy, France, pp. 866-870, 2015.

37. 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),  Nancy, France, pp. 636-640, 2015.

36. 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), Nancy, France, pp. 491-495, 2015.

35. 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), Nancy, France, pp. 401-405, 2015.

34. Y. Chherawala, P. P. Roy and M. Cheriet, "Context-dependent BLSTM Models. Application to Offline Handwriting Recognition", International Conference on Image Processing (ICIP), Paris, France, 2014 (Awarded as one of the "Top 10% papers").

33. 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), Crete, Greece, 2014.

32. 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), Crete, Greece, 2014.

31. 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), Crete, Greece, 2014.

30. 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), Crete, Greece, 2014.

29. 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

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

27. 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), Okinawa, Japan, pp. 288-292, 2013

26. 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.

25. 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.

24. 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.

23. 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), TsukubaJapan, 2012.

22. R. Mandal, P. P. Roy and U. Pal, "Date Field Extraction in Handwritten Documents", In Proc. 21st International Conference on Pattern Recognition (ICPR), TsukubaJapan, 2012.

21. 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), Bari, Italy, pp.225-230, 2012.

20. 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.

19. 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.

18. 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.

17. 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.

16. 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.

15. 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

14. 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.

13. 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.

12. 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).

11. 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.

10. 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

9. 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

8. 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

7. 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

6. 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

5. 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

4. 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.

3. 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

2. 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 

1. 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.