Publications


2012

  • Anirban Dasgupta, Maxim Gurevich, Liang Zhang, Belle Tseng and Achint O. Thomas, "Overcoming Browser Cookie Churn with Clustering"; to appear in WSDM 2012. new

2011

  • Wei Chu, Martin Zinkevich, Lihong Li, Achint Thomas, and Belle Tseng, "Unbiased Online Active Learning in Data Streams"; in Proc. of the 17th ACM SIGKDD 2011.

  • Achint Thomas and Venu Govindaraju, "Biometric Sensors"; Encyclopedia of Cryptography and Security, pp 110-113, Springer, 2011.

2010

  • Achint Thomas, Sulabh Choudhury and Venu Govindaraju, "Leveraging the Mixed-text Segmentation Problem to design Secure Handwritten CAPTCHAs"; in Proc. of 12th International Conference on Frontiers in Handwriting Recognition, ICFHR 2010, Kolkota, India, Nov. 2010.

  • Anurag Bhardwaj, Achint Thomas, Yun Fu and Venu Govindaraju, "Retrieving Handwriting Styles: A Content Based Approach to Handwritten Document Retrieval"; in Proc. of 12th International Conference on Frontiers in Handwriting Recognition, ICFHR 2010, Kolkota, India, Nov. 2010. [BEST PAPER AWARD]

2009

  • Amalia Rusu, Achint Oommen Thomas and Venu Govindaraju, "Generation and Use of Handwritten CAPTCHAs"; in International Journal of Document Analysis and Recognition, Vol. 13:1, pp. 49-64.

2008

  • Achint Oommen Thomas, Amalia Rusu and Venu Govindaraju, "Synthetic Handwritten Captchas"; in Pattern Recognition Journal: Special Issue on Handwriting Recognition; PR 42 (2009) pp. 3365-3373

  • Achint Thomas, Nalini Ratha, Jonathan Connell and Ruud Bolle, "Comparative Analysis of Registration Based and Registration Free Methods for Cancelable Fingerprint Biometrics"; in Proc. of International Conference on Pattern Recognition, ICPR 2008, in Tampa, FL, USA in Dec 2008.

  • Achint Oommen Thomas and Venu Govindaraju, "Generation and Performance Evaluation of Synthetic Handwritten CAPTCHAs"; in Proc. of 1st International Conference on Frontiers in Handwriting Recognition, ICFHR 2008, Montreal, Canada; Aug 2008.

2007

  • Achint Oommen Thomas, Amalia Rusu, Smruthi Mukund, and Venu Govindaraju, "Non-Writer Specific Handwriting Generation for the CAPTCHA Application"; in Proc. of IEEE Signal Processing Society Western New York Image Processing Workshop, 2007 at Rochester, NY, USA in Sep 2007.

2005

  • K.G. Srinivasa, A.O. Thomas, Amrinder Singh, K.R. Venugopal, Lalit M. Patnaik, "Generic Feature Extraction for Classification using Fuzzy C-Means Clustering”; In Proc. of 3rd International Conference on Intelligent Sensing and Information Processing 2005; Dec 2005, pp 33-38. [BEST PAPER AWARD]

2004

  • P. Deepa Shenoy, K.G. Srinivasa, A.O. Thomas, K.R. Venugopal, Lalit M. Patnaik, "Mining Top-k Ranked Web Pages using Simulated Annealing and Genetic Algorithms"; in Proc. of Asian Applied Computing Conference (AACC 2004); Springer Verlag, LNCS 3285, 2004, pp 137-144.

2003

  • P. Deepa Shenoy, K.G. Srinivasa, A.O. Thomas, K.R. Venugopal, Lalit M. Patnaik, "Compress and Mine: An Efficient Graph Based Algorithm for Generating Multiple Level Frequent Itemsets"; in Proc. of The 11th International Conference on Advanced Computing and Communications (ADCOM 2003).