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Research Area
Current Projects
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   Document Analysis and Recognition

Patents

  1. T. Kasar and A. G. Ramakrishnan, “A method to extract and align text of an image captured and a system thereof,” Indian Patent Office Reference. No: 109/CHE/2011, 2011.

  2. Suresh Sundaram and A. G. Ramakrishnan, “Attention feedback based robust segmentation of online handwritten words,” Indian Patent Office Reference. No: 03974/CHE/2010.

Books/Chapters

  1. R S Umesh, Peeta Basa Pati and A G Ramakrishnan, Design of a bilingual Kannada-English OCR, in the book “Guide to OCR for Indic Scripts: Document Recognition and Retrieval” Springer, 2009 in the Advances in Pattern Recognition Series. Ed: Venu Govindaraju and Setlur Srirangaraj. pp. 97-124. ISBN: 978-1-84800-330-9 (Download)

Journals Publications

  1. Suresh Sundaram and A. G. Ramakrishnan, “Bigram language models and reevaluation strategy for improved recognition of online handwritten Tamil words,” ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP), Vol. 14 (2), June 2015. (Download)

  2. A G Ramakrishnan and J Shashidhar, “Development of OHWR System for Kannada,” VishwaBharat@tdil, ISSN No. 0972-6454, July 2012 - June 2013, Issues 39 & 40, pp. 67 - 95. (Download)

  3. A. G. Ramakrishnan, Bhargava Urala K, Suresh Sundaram, Harshitha PV, “Development of OHWR System for Tamil,” VishwaBharat@tdil, ISSN No. 0972-6454, July 2012 - June 2013, Issues 39 & 40, pp. 211 - 224.(Download)

  4. Suresh Sundaram and A. G. Ramakrishnan, “Performance enhancement of online handwritten Tamil symbol recognition with reevaluation techniques,” Pattern Analysis and Application, DOI - 10.1007/s10044-013-0353-7, (Accepted Nov 2013). (Journal web link) (Download)

  5. T Kasar and AG Ramakrishnan, “Alignment of Curved Text Strings for Enhanced OCR Readability,”International Journal of Computer Vision and Signal Processing, Vol. 3(1), pp. 2013. (Journal web link) (Download)

  6. Suresh Sundaram and A. G. Ramakrishnan, “Attention-feedback based robust segmentation of online handwritten isolated Tamil words,” ACM Transactions on Asian Language Information Processing (TALIP), Vol. 12 (1), March 2013, Article No. 4.(Download)

  7. Rakesh Rampalli and A. G. Ramakrishnan, “Fusion of Complementary Online and Offline Strategies for Recognition of Handwritten Kannada Characters,” Journal of Universal Computer Science, Vol. 17, pp. 81-93, 2011. (Download)

  8. Venkatesh Narasimha Murthy and A. G. Ramakrishnan, “Choice of Classifiers in Hierarchical Recognition of Online Handwritten Kannada and Tamil Aksharas,” Journal of Universal Computer Science, Vol. 17, pp. 94-106, 2011. (Download)

  9. Amrik Sen, G. Ananthakrishnan, Suresh Sundaram, A. G. Ramakrishnan, “Dynamic Space Warping of Strokes for Recognition of Online Handwritten Characters,” IJPRAI 23(5): 925-943, 2009. (Download)

  10. Peeta Basa Pati and A. G. Ramakrishnan, “Word Level Multi-script Identification,” Pattern Recognition Letters, 2008, Vol. 29, pp. 1218-1229. (Download)

  11. D. Dhanya, A. G. Ramakrishnan, P. B. Pati, “Script Identification in printed bilingual documents,” Sadhana, Feb 2002, Vol. 27, part-1, pp.73-82. (Download)

  12. Peeta Basa Pati and A G Ramakrishnan, “OCR in Indian Scripts: A Survey,” IETE Technical Review, May-Jun 2005, 22(3):217-227. (Download)

Technical Reports

  1. Ram Krishna Pandey and A G Ramakrishnan, “Language Independent Single Document Image Super-Resolution using CNN for improved recognition,” arXiv preprint arXiv:1701.08835, Jan 2017. (Download)

  2. Deepak Kumar and AG Ramakrishnan, “Quadratically constrained quadratic programming for classification using particle swarms and applications,” arXiv preprint arXiv:1407.6315, July 2014. (Download)

  3. Deepak Kumar, MN Prasad and AG Ramakrishnan, “Benchmarking recognition results on word image datasets,” arXiv preprint arXiv:1208.6137, Aug. 2012. (Download)

Popular Articles

  1. A G Ramakrishnan, “The magic of automated recognition of handwriting,” Current Science, Guest Editorial, July 2014 107(02) pp.159-160. (Download)

Conference Publications

  1. A G Ramakrishnan and Bhargava Urala K, “Recognition of online captured, handwritten Tamil words on Android,” Proc. 13-th Tamil Internet Conference, Pondicherry, Sept. 19-21, 2014. (Download)

  2. A Madhavaraj, A G Ramakrishnan, H R Shiva Kumar, Nagaraj Bhat, “Improved recognition of aged Kannada documents by effective segmentation of merged characters,” Proc. Tenth International Conference on Signal Processing and Communications (SPCOM 2014), Bangalore, July 22-24, 2014. (Download)

  3. Bhargava Urala K, A G Ramakrishnan, Sahil Mohamed, “Recognition of open vocabulary, online handwritten pages in Tamil script,” Proc. Tenth International Conference on Signal Processing and Communications (SPCOM 2014), Bangalore, July 22-24, 2014. (Download)

  4. Pedamalli Saikrishna, Ramakrishnan AG, “Script Independent Detection of Bold Words in Multi Font-size Documents,”Proc. National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG-2013), IIT Jodhpur, Dec. 18-21, 2013.(Download)

  5. A. G. Ramakrishnan and Bhargava Urala, “Global and local features for recognition of online handwritten numerals and Tamil characters,” ACM - Proc. International Workshop on Multilingual OCR, (MOCR 2013), 24 Aug. 2013, Washington DC, USA.(Download)

  6. Deepak Kumar, M. N. Anil Prasad and A. G. Ramakrishnan, “Multi-script robust reading competition in ICDAR 2013,” ACM - Proc. International Workshop on Multilingual OCR, (MOCR 2013), 24 Aug. 2013, Washington DC, USA.(Download)

  7. Shiva Kumar H R and A G Ramakrishnan, “A tool that converted 200 Tamil books for use by blind students,” Proc. 12-th International Tamil Internet Conf., Kuala Lumpur, Malaysia, Aug. 15-18, 2013. (Download)

  8. Bhargava Urala and A G Ramakrishnan, “Identification of Tamizh script on Tablet PC,” Proc. 12-th International Tamil Internet Conf., Kuala Lumpur, Malaysia, Aug. 15-18, 2013. (Download)

  9. A G Ramakrishnan, “Standardize fonts to catapult Tamil to the digital forefront,” Proc. 12-th International Tamil Internet Conf., Kuala Lumpur, Malaysia, Aug. 15-18, 2013. (Download)

  10. Deepak Kumar, M. N. Anil Prasad and A. G. Ramakrishnan, “NESP: Nonlinear enhancement and selection of plane for optimal segmentation and recognition of scene word images,” Proc. International Conference on Document Recognition and Retrieval(DRR) XX, 5-7 February 2013, San Francisco, CA USA. (Download)

  11. Deepak Kumar, M. N. Anil Prasad and A. G. Ramakrishnan, “Evaluation of document binarization using eigen value decomposition,” Proc. International Conference on Document Recognition and Retrieval(DRR) XX, 5-7 February 2013, San Francisco, CA USA. (Download)

  12. A G Ramakrishnan and Bhargava Urala, “Online handwritten Tamil word recognition using segmentation, bigram models and verification,” Proc. 11th International Tamil Internet Conference, Chidambaram, Dec. 28-30, 2012, pp. 70 - 73. (Download)

  13. Suresh Sundaram, Bhargava Urala K and A. G. Ramakrishnan, “Language Models for Online Handwritten Tamil Word Recognition,” Proc. Workshop on Document Analysis and Recognition (DAR 2012), 16 December 2012, IIT Bombay, Mumbai, India. (Download)

  14. Deepak Kumar, M. N. Anil Prasad and A. G. Ramakrishnan, “Benchmarking recognition results on camera captured word image datasets,” Proc. Workshop on Document Analysis and Recognition (DAR 2012), 16 December 2012, IIT Bombay, Mumbai, India. (Download)

  15. Deepak Kumar and A. G. Ramakrishnan, “Recognition of Kannada characters extracted from scene images,” Proc. Workshop on Document Analysis and Recognition (DAR 2012), 16 December 2012, IIT Bombay, Mumbai, India. (Download)

  16. Deepak Kumar, M. N. Anil Prasad and A. G. Ramakrishnan, “MAPS: Midline analysis and propagation of segmentation,” Proc. 8th Indian Conference on Vision, Graphics and Image Processing (ICVGIP 2012), 16-19 December 2012, Mumbai, India. (Download)

  17. Deepak Kumar and A. G. Ramakrishnan, “Power-law transformation for enhanced recognition of born-digital word images,” Proc. 9th International Conference on Signal Processing and Communications (SPCOM 2012), 22-25 July 2012, Bangalore, India. (Download)

  18. Deepak Kumar and A. G. Ramakrishnan, “OTCYMIST: Otsu-Canny minimal spanning tree for born-digital images,” Proc. 10th International Workshop on Document Analysis Systems (DAS 2012), 2012, Gold Coast, Queensland, Australia. (Download)

  19. Rituraj Kunwar and A G Ramakrishnan, “Tamil Online handwriting recognition using fractal features,” Proc. Tamil Internet, Univ. of Pennsylvania, June 17-19, 2011. (Download)

  20. Deepak Arya, C V Jawahar, C Bhagvati, T Patnaik, B B Chaudhuri, G S Lehal, S Chaudhury, A. G. Ramakrishnan, “Experiences of integration and performance testing of multilingual OCR for printed Indian scripts,” Proc. Joint Workshop on Multilingual OCR and Analytics for Noisy Unstructured Text Data (MOCR AND '11). Sept. 17, 2011, Beijing, China. Article 9. (Download)

  21. T. Kasar, A. G. Ramakrishnan, Amey Dharwadkery and Abhishek Sharma, “TexTraCC: Text extraction using color-based connect component labeling,” Proc. Centenary Conference of Electrical Engineering, IISc, 2011, Bangalore, India. (Download)

  22. Thotreingam Kasar and A G Ramakrishnan, “Multi-script and multi-oriented text localization from scene images,” Camera-based Document Analysis and Recognition, LNCS 7139, pp. 1-14, 2012. (Download)

  23. Deepak Kumar and A. G. Ramakrishnan, “QUAD: Quality assessment of documents,” Proc. 4th International Workshop on Camera-based Document Analysis and Recognition (CBDAR 2011), pp. 79-84, 2011, Beijing, China.(Download)

  24. T. Kasar, D. Kumar, M. N. Anil Prasad, D. Girish, A. G. Ramakrishnan, “MAST: Multi-script annotation toolkit for scenic text,” Proc. Joint Workshop on Multilingual OCR and Analytics for Noisy and Unstructured Text Data (J-MOCR-AND 2011), pp. 1-8, 2011, Beijing, China. (Download Software) (Download Paper)

  25. Suresh Sundaram and A. G. Ramakrishnan, “Lexicon-free novel segmentation of online handwritten indic words,” Proc. 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1175-1179, 2011, Beijing, China.(Download)

  26. Rituraj Kunwar and A. G. Ramakrishnan, “Online handwriting recognition of tamil script using fractal geometry,” Proc. 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1389-1393, 2011, Beijing, China. (Download)

  27. A. G. Ramakrishnan and Suresh Sundaram, “Neuroscience inspired segmentation of handwritten words,” 10th Tamil Internet Conference, pp 148-153, 2011.(Download)

  28. Abhinava Shivakumar, Akshay Rao, Arun S, A G Ramakrishnan, “A Free Tamil Keyboard Interface for Business and Personal Use,” Proc. Tamil Internet 2010, Coimbatore, June 23-26, 2010, pp. 634- 640. (Download)

  29. Shashi Kiran, Rituraj, Suresh Sundaram, Swapnil Belhe, A G Ramakrishnan, “Automated Processing of Census Forms in Tamil,” Proc. Tamil Internet 2010, Coimbatore, June 23-26, 2010, pp. 288- 294. (Download)

  30. Tushar Patnaik, Shalu Gupta, C V Jawahar, Santanu Choudhury, A G Ramakrishnan, “Design and Evaluation of Omnifont Tamil OCR,” Proc. Tamil Internet 2010, Coimbatore, June 23-26, 2010, pp. 519 - 522. (Download)

  31. B Nethravathi, C P Archana, K Shashikiran, A G Ramakrishnan, “Creation of annotated Tamil handwritten word corpus for OHR,” Tamil Internet 2010, Coimbatore, June 23-26, 2010, pp. 502 - 506. (Download)

  32. B Nethravathi, CP Archana, K Shashikiran, AG Ramakrishnan, V Kumar, “Creation of a huge annotated database for Tamil and Kannada OHR,” Proc. Intern. Conf. Frontiers in Handwriting Recognition (ICFHR), 2010, pp. 415-420. (Download)

  33. Rituraj Kunwar, Shashi Kiran, A. G. Ramakrishnan, “Online handwritten kannada word recognizer with unrestricted vocabulary,” Proc. 12th International Conference on Frontiers in Handwriting Recognition (ICFHR 2010), Nov 2010. (Download)

  34. M. Mahadeva Prasad, M. Sukumar, A. G. Ramakrishnan, “Orthogonal LDA in PCA Transformed Subspace,” Proc. 12th International Conference on Frontiers in Handwriting Recognition (ICFHR 2010), Nov 2010. (Download)

  35. K Shashikiran, Kolli Sai Prasad, Rituraj Kunwar, A. G. Ramakrishnan, “Comparison of HMM and SDTW for Tamil handwritten character recognition,” IEEE International Conference On Signal Processing and Communications (SPCOM 2010), 2010. (Download)

  36. Rituraj Kunwar, Mohan P., Shashi Kiran, A. G. Ramakrishnan, “Unrestricted Kannada Online Handwritten Akshara Recognition using SDTW,” IEEE International Conference On Signal Processing and Communications (SPCOM 2010), 2010. (Download)

  37. Swapnil Belhe, Srinivasa Chakravarthy, A. G. Ramakrishnan, “XML standard for Indic online handwritten database,” ACM - Proceedings of the International Workshop on Multilingual OCR, 2009. (Download)

  38. M. Mahadeva Prasad, M. Sukumar, A. G. Ramakrishnan, “Divide and conquer technique in online handwritten Kannada character recognition,” ACM - Proceedings of the International Workshop on Multilingual OCR, 2009. (Download)

  39. Rituraj Kunwar, Shashi Kiran, Suresh Sundaram, A G Ramakrishnan, “A HMM Based Online Tamil Word Recognizer,” Proc. Tamil Internet Conference (TIC 2009), University of Koeln, Germany, 2009, pp. 165-168. (Download)

  40. Suresh Sundaram and Angarai Ganesan Ramakrishnan, “Resolving Ambiguities in Confused Online Tamil Characters with Post Processing Algorithms.” PReMI 2009: 406-413.(Download)

  41. T. Kasar and A. G. Ramakrishnan, “COCOCLUST: Contour-based Color Clustering for Robust Text Segmentation and Binarization,” Proc. 3rd workshop on Camera-based Document Analysis and Recognition, pp. 11-17, 2009, Spain.(Download)

  42. Suresh Sundaram and A.G.Ramakrishnan, “An Improved Online Tamil Character Recognition Engine using Post-Processing Methods,” Proc. 10th International Conference on Document Analysis and Recognition, pp 1216-1220, 2009, Spain.(Download)

  43. T.Kasar and A.G.Ramakrishnan, “ CCD: Connected Component Descriptor for Robust Mosaicing of Camera-Captured Document Images,” Proc. VIII IAPR International Workshop on Document Analysis Systems (DAS-2008), Nara, Japan, pp. 480-486, 2008. (Download)

  44. Suresh Sundaram and A.G.Ramakrishnan, “Two Dimensional Principal Component Analysis for Online Tamil Character Recognition,” Proc. XI Int. Conf Frontiers in Handwriting Recognition (ICFHR 2008), pp.88-94, 2008, Montreal, Canada.(Download)

  45. Nirup Reddy, Kandan.R, Shashikiran.K, Suresh.S and A.G.Ramakrishnan, “ Online character recognition using regression techniques,” Proc. IEEE Workshop on applications of computer vision (WACV 2008), Jan 7-9, 2008, pp. 1-6.(Download)

  46. T.Kasar, J.Kumar and A.G.Ramakrishnan, “Specialized Text Binarization Technique for Camera-Based Document Images,” Proc. Workshop in Image and Signal Processing (WISP-2007), IIT Guwahati, Dec 28-29 2007, pp. 28-31. (Download)

  47. Kandan Ramakrishnan, Arvind.K.R and A.G.Ramakrishnan, “Localization of handwritten text in documents using moment invariants and Delaunay triangulation,” Proc. International Conf Computational Intelligence and Multimedia Applications (ICCIMA 2007), Dec 2007, pp. 408-414. (Download)

  48. Arvind.K.R, Jayant Kumar and A.G.Ramakrishnan, “Line removal and restoration of handwritten strokes,” Proc. International Conf Computational Intelligence and Multimedia Applications (ICCIMA 2007), Dec 2007, pp. 208-214. (Download)

  49. K.R.Arvind, Jayant Kumar and A.G.Ramakrishnan, “Entropy based skew correction of document images,” Proc. PReMI 2007, Kolkata, Dec 18-22, 2007, pp. 495-502. (Download)

  50. R Kandan, Nirup Kumar Reddy, KR Arvind, AG Ramakrishnan, “A Robust Two Level Classification Algorithm for Text Localization in Document,” 3rd international conference on Advances in visual computing (ICSV'07), Lake Tahoe, Nevada, USA, Nov. 26-28, 2007, Vol. 2, pp. 96-105. (Download)

  51. Thotreingam Kasar and A.G.Ramakrishnan, “Block-Based Feature Detection and Matching for Mosaicing of Camera-Captured Document Images,” Proc. IEEE TENCON 2007, Taipei, Taiwan, Oct 30–Nov 2, 2007, pp. 1-4. (Download)

  52. Jayant Kumar, Thotreingam Kasar and A.G.Ramakrishnan, “Edge-based Connected Component Approach for Skew Correction of Complex Document Images,” Proc. IEEE TENCON 2007, Taiwan, Oct 30–Nov 2, 2007, pp. 5-8. (Download)

  53. Peeta Basa Pati and A.G.Ramakrishnan, “A Blind Indic Script Recognizer for Multi-script Documents,” Proc. IX ICDAR, Brazil, Sept. 23-26, 2007, Vol. 2, pp. 1248-1252. (Download)

  54. Suresh Sundaram and A.G.Ramakrishnan, “A novel hierarchical classification scheme for online Tamil character recognition,” Proc. IX ICDAR, Brazil, Sept. 23-26, 2007, Vol. 2, pp. 1218-1222.(Download)

  55. T. Kasar, J. Kumar and A.G.Ramakrishnan, “Font and Background Color Independent Text Binarization,” Proc. II International Workshop on Camera-Based Document Analysis and Recognition (CBDAR 2007), Curitiba, Brazil, September 22, 2007, pp. 3-9. (Download) (MATLAB Code)

  56. F.Nourbakhsh, P.B.Pati and A.G.Ramakrishnan, “Automatic Seal Information Reader,” Proc. Intern. Conf. Comput. Theory Applns. (ICCTA-2007), Kolkata, Mar. 5-7, pp. 502-505. (Download)

  57. Farshad Nourbakhsh, P.B.Pati and A.G.Ramakrishnan, “Document Page Layout Analysis using Harris–corner Points,” Proc. IV Intl. Conf. on Intelligent Sensing and Info. Proc., (ICISIP 2006), Dec 15-18, 2006, pp. 149-152. (Download)

  58. Bhavna.A, P.B.Pati and A.G.Ramakrishnan, “Binarization and Localization of Text Images captured on a mobile phone camera,” Proc. IV Intl. Conf. on Intelligent Sensing and Info. Proc., (ICISIP 2006), Dec 15-18, 2006, pp. 224-229. (Download)

  59. Arvind.K.R, P.B.Pati, and A.G.Ramakrishnan, “Automatic Text Block Separation in document images,” Proc. IV Intl. Conf. on Intelligent Sensing and Info. Proc., (ICISIP 2006), Dec 15-18, 2006, pp. 53-58. (Download)

  60. Farshad Nourbakhsh, P.B.Pati and A.G.Ramakrishnan, “Text Localization and Extraction from Complex Gray Images,” Proc. Indian Conf. Vision, Graphics Image Processing, ICVGIP 2006, Dec. 13-16, 2006, pp. 776-785. (Download)

  61. Arvind.K.R, P.B.Pati and A.G.Ramakrishnan, “Horizontal Projection Profiles for extraction of Text Paragraphs from Document Images,” Proc. Intl. Conf. on Signal and Image Processing, 2006, Hubli, Dec. 7-9, 2006, pp. 577-580.

  62. Hamid Pilevar and A.G.Ramakrishnan, “Inversion Detection in Text Document Images,” Proc. 2006 Joint Conf. on Info. Sciences, JCIS 2006, Taiwan, Oct 8-11, 2006. (Download)

  63. Peeta Basa Pati and A.G. Ramakrishnan, “HVS inspired System for Script Identification in Indian Multi-script Documents,” Proc. VII IAPR Workshop on Document Analysis Systems (DAS 2006), 13-15 Feb 2006, New Zealand, LNCS-3872, Springer Verlag, 2006, pp. 380-389. (Download)

  64. S Sabari Raju, P B Pati and A G Ramakrishnan, “Text Localization and Extraction from Complex Color Images,” Proc. First International Conference on Advances in Visual Computing (ISVC05), Nevada, USA, LNCS 3804, Springer Verlag, Dec. 5-7, 2005, pp. 486-493.(Download)

  65. Raghavendra.B.S, Narayanan.C.K, Sita.G, Ramakrishnan.A.G and Sriganesh.M, “Prototype Learning Methods for Online Handwriting Recognition,” ICDAR 2005, Seoul, Korea, Aug. 29-Sept 1, 2005, Vol 1, pp. 287-291. (Download)

  66. Niranjan Joshi, G.Sita, A.G.Ramakrishnan, Deepu.V and Sriganesh Madhvanath, “Machine recognition of online handwritten Devanagari characters,” Proc. International Conference on Document Analysis and Recognition (ICDAR 2005), Seoul, Korea, Aug. 29-Sept 1, 2005, pp. 1156-1160. (Download)

  67. G.Ananthakrishnan, T.Kasar and A.G.Ramakrishnan, “A novel GMM based approach for prototype selection,” Proc. National Conf. Sig. Proc. Commn. Control (SPCCN01-2005), July 1-3, 2005, Pune, pp. 69-73. (Download)

  68. Niranjan Joshi, G. Sita, A. G. Ramakrishnan and Sriganesh Madhvanath, “Tamil handwriting recognition using subspace and DTW based classifiers,” Proc. 11th International Conference on Neural Information Processing (ICONIP 2004), Calcutta, Nov 22-25, 2004, pp. 806-813. (Download)

  69. Niranjan Joshi, G.Sita, A.G.Ramakrishnan and S.Madhvanath, “Comparison of elastic matching algorithms for online Tamil handwritten character recognition,” Proc. IWFHR-9, Tokyo, Japan, Oct. 26-29, 2004, pp. 444-449. (Download)

  70. Deepu V., Sriganesh Madhvanath and Ramakrishnan A. G., “Principal Component Analysis for Online Handwritten Character Recognition,” Proc. 17th Intern. Conf. Pattern Recognition (ICPR 2004), 23-26 Aug. 2004, Vol 2, pp. 327-330. (Download)

  71. Vijay Kumar.B and A.G.Ramakrishnan, “Radial basis function and subspace approach for printed Kannada text recognition,” Proc. IEEE ICASSP-04, May 17-21, 2004, Vol 5, pp. 321-324. (Download)

  72. S Sabari Raju, Peeta Basa Pati and A G Ramakrishnan, “Gabor Filter Based Block Energy Analysis for Text extraction from Digital Document Images,” Proc. First International Workshop on Document Image Analysis for Libraries (DIAL-04), Palo Alto, USA, Jan. 2004, pp. 233-243. (Download)

  73. P.B.Pati, S.S.Raju, N.K.Pati and A.G.Ramakrishnan, “Gabor filters for document analysis in Indian Bilingual Documents,” Proc I IEEE Intl Conf Intelligent Sensing Info Proc (ICISIP 2004), Jan 4-7, 2004, Chennai, pp. 123-126. (Download)

  74. G. L. Jayavardhana Rama, A. G. Ramakrishnan and Devaraj Gupta, “Parallel Processing in OCR - A Multithreaded approach,” Proc. Tamil Internet 2002, San Francisco, CA, USA, pp. 107-110. (Download)

  75. Aparna K.G, Dhanya D and A. G. Ramakrishnan, “Bilingual (Tamil-Roman) Text Recognition on Windows,” Proc. Tamil Internet 2002, San Francisco, CA, USA, pp. 102-106. (Download)

  76. B. Vijay Kumar and A.G. Ramakrishnan, “Machine Recognition of Printed Kannada Text,” Proc. Fifth IAPR Workshop on Document Analysis Systems (DAS-02), August 19-21, 2002, Springer Verlag, Berlin. pp. 37-48. (Download)

  77. K.G.Aparna and A.G.Ramakrishnan, “A complete Tamil Optical Character Recognition System,” Proc. Fifth IAPR Workshop on Document Analysis Systems DAS-02, Princeton, NJ, August 19-21, 2002, pp. 53-57.(Download)

  78. D.Dhanya and A.G.Ramakrishnan, “Script Identification in Printed Bilingual Documents,” Proc. Fifth IAPR Workshop on Document Analysis Systems DAS-02, Princeton, NJ, August 19-21, 2002, pp. 13-24.(Download)

  79. D Dhanya and A G Ramakrishnan, “Optimal feature extraction for bilingual OCR,” Proc. Fifth IAPR Workshop on Document Analysis Systems (DAS-02), Princeton, NJ, August 19-21, 2002, pp.25-36. (Download)

  80. D.Dhanya and A.G.Ramakrishnan, “Simultaneous Recognition of Tamil and Roman Scripts,” Proc. Tamil Internet 2001, Kuala Lumpur, August 26-28, 2001, pp. 64-68. (Download)

  81. Aparna.K.G and A.G.Ramakrishnan, “Tamil Gnani - an OCR on Windows,” Proc. Tamil Internet 2001, Kuala Lumpur, August 26-28, 2001, pp. 60-63. (Download)

  82. Peeta Basa Pati and A.G.Ramakrishnan, “Machine Recognition of Printed Oriya Characters,” Proc. III Intern. Conf. on Information Technology ICIT 2000, Bhubaneshwar, Dec. 21-23, 2000, pp. 227-232. (Download)

  83. Kaushik Mahata and A.G.Ramakrishnan, “A Novel Scheme for Image Rotation for Document Processing,” Proc. IEEE Intern. Conf. on Image Processing 2000, Vancouver, BC, Canada, Sept 10-13, 2000, Vol. 2, pp. 594-596. (Download)

  84. Kaushik Mahata and A.G.Ramakrishnan, “Precision Skew Detection through Principal Axis,” Proc. Intern. Conf. on Multimedia Processing and Systems, Chennai, Aug. 13-15, 2000, pp. 186-188. (Download)

  85. A.G.Ramakrishnan and Kaushik Mahata, “A Complete OCR for Printed Tamil Text,” Proc. Tamil Internet 2000, Singapore, July 22-24, 2000, pp. 165-170. (Download)
\A9 2012 Medical Intelligence and Language Engineering Lab - IISc Campus, Bangalore.