Research Associate - Signal and image processing group at CNR, Pisa, Italy.
Research scientist (2008 - 2015) : Centre for Biomedical Engg., Indian Institute of Technology, Delhi, India.
Independent Author and researcher (2015-continuing), Indian Institute of Technology, Delhi, India.
DST (Department of Science and Technology, Govt. of India) Young scientist Award 2008.
DBT (Department of Biotechnology, Govt. of India) Innovative Young Biotechnologist Award (Gold medal)- 2010
Her research interest includes image processing using fuzzy/intuitionistic fuzzy/Type II fuzzy set theory and giving mathematical model using fuzzy/advanced fuzzy set theory for medical image analysis that includes detection of abnormal lesions/tumor, different types of blood cells, edges/boundaries of abnormal structures and so on.
Membership - SCIP (Soft computing in image processing).
Publications in Books
 Tamalika Chaira, Medical Image Processing – Advanced Fuzzy set theoretic techniques, ISBN : 9781498700450, CRC Press, a Taylor & Francis Group, in Jan 2015.
 Tamalika Chaira, Ajoy Kumar Ray, Fuzzy image processing and application with MATLAB, ISBN10: 1439807086, ISBN13: 9781439807088, CRC Press, a Taylor & Francis Group, Nov. 2009.
 Tamalika Chaira, Fuzzy Set and its Extension: The Intuitionistic Fuzzy Set, ISBN : 9781119544197, John Wiley and Sons, Hoboken , New Jersey, USA, April 2019.
Publication in Peer reviewed Journals:
 T. Chaira, " Rank-ordered filter for edge enhancement of cellular images using interval type II
fuzzy set", Journal of medical imaging (Bellingham, Wash.) Vol. 2 Issue: 4, 044005, 2015.
 T. Chaira, “Fuzzy Mathematical Morphology using Hamacher T Operators and its application to
images, Journal of intelligent and fuzzy systems, Vol. 28 Issue: 5, 2269-2277 , 2015.
 T. Chaira, “An improved medical image enhancement scheme using Type II fuzzy set”, Applied
Soft Computing 25,293-308, 2014.
 T. Chaira, “Accurate segmentation of leukocyte in blood cell images using Atanassov's
intuitionistic fuzzy and interval Type II fuzzy set theory”, Micron (61), 1-8, 2014.
 T.Chaira, “Thresholding of pathological images using Atanassov’s intuitionistic fuzzy set”
International Journal of Medical Engg. and Informatics, 7(2), 101-109, 2015.
 T. Chaira, “Enhancement of medical images using Atanassov's intuitionistic fuzzy domain using
an alternative intuitionistic fuzzy generator with application to medical image segmentation',
Journal of Intelligent and Fuzzy systems, 27(3),2014.
 T. Chaira, A.K. Ray, “Fuzzy edge image using Interval Type II fuzzy set”, International Journal of
Computational Intelligence Systems, 7(4), 686-695, 2014.
 T. Chaira, A. Panwar, "Atanassov’s Intuitionistic fuzzy kernel clustering of medical image
segmentation”, International Journal of Computational Intelligence Systems,7(2) 360-370, 2013.
 T. Chaira, “A rank ordered filter for medical image enhancement and detection using
intuitionistic fuzzy set”, Applied soft computing, vol. 12 (4), 1259-1266, 2012.
 T. Chaira, “Intuitionistic fuzzy color clustering of human cell images on different color models”,
Journal of intelligent and fuzzy systems, 23, 43–5, 2012.
 T.Chaira, S. Anand, “A novel intuitionistic fuzzy approach for tumour/hemorrhage detection in
medical images,” CSIR Journal of Scientific and Industrial Research, vol. 70(6), 2011.
 T. Chaira, “A novel Intuitionistic fuzzy c means clustering algorithm and its application to
medical images”, Elsevier Applied Soft Computing 11(2), 1711-1717, 2011.
 T. Chaira, “Intuitionistic fuzzy segmentation of medical images”, IEEE Transaction of Biomedical
Engineering, vol. 57, No. 6, pp. 1430-1436, 2010.
 T. Chaira, “Intuitionistic fuzzy set theory in color region extraction”, CSIR Journal of Scientific
and Industrial Research, vol. 69, 426 – 432, 2010.
 T. Chaira, "Intuitionistic fuzzy set theory in medical imaging", International Journal of Soft
computing and Engineering Issue-NCRAMT11, 2011.
 T. Chaira and A.K. Ray, “A new measure using intuitionistic fuzzy set theory and its application
to edge detection”, Elsevier Applied soft computing (2) 919-927, 2008.
 T. Chaira, S. De, and O. Salvetti, ‘A new measure on intuitionistic fuzzy set using Hausdorff
metric and its application to edge detection’, The International Journal of Fuzzy Mathematics,
vol.15, no.3, 645-654, 2007.
 T. Chaira and A.K. Ray, “Fuzzy measures for color image retrieval” , Elsevier Fuzzy sets and
systems, vol. 150(3), pp. 545-560, 2005.
 T. Chaira and A.K. Ray, “Threshold selection using fuzzy set theory,” Elsevier Pattern
Recognition Letters, vol. 25, pp. 865-874, 2004.
 T. Chaira and A.K. Ray, “Segmentation using Fuzzy Divergence,” Elsevier Pattern Recognition
Letters, vol. 12, No.24, pp.1837--1844, 2003.
 T. Chaira, "Fuzzy based image thresholding " The Journal of Fuzzy Mathematics", 13 (4), 775-
 T. Chaira and A.K. Ray, “Fuzzy Approach to Color Region Extraction,” Elsevier Pattern
Recognition Letters, vol. 12, No. 24, pp. 1943-1950, 2003.
 T. Chaira and A.K. Ray, “Region Extraction using Fuzzy Similarity Measures,” The International
Journal of Fuzzy Mathematics, vol. 11, No. 2, pp. 601-608, 2003.
Tinku Acharya, Tamalika Chaira, and Ajoy Kumar Ray, “Image Color Matching Scheme,” US Patent
No. 07133555, Nov. 2006 (granted).
. Tamalika Chaira, “ Construction of intuitionistic fuzzy contrast enhanced medical images”, IEEE
Conference of Intelligent Human Computer Interaction:IHCI-2012, 1-5, 2012
 Tamalika Chaira, “ Enhancement of medical images in Type II fuzzy domain”, Proc. of IEEE on
National Conference on Communication, New Delhi, 2013.
 Tamalika Chaira, “Medical Image Enhancement using Intuitionistic Fuzzy Set”, Proc. of IEEE on
Recent advances in information Technology”, Indian School of Mines, Dhanbad, 2012.
. Tamalika Chaira, “A rank ordered filter for image edge detection using intuitionistic fuzzy set”
IEEE Intl. Conference on methods and model in computer science, ICM2CS 10, JNU, IIT Delhi,
. Tamalika Chaira, “Medical Image thresholding scheme using Intuitionistic fuzzy set” Proc. of
IEEE, ICM2CS 09, JNU, New Delhi, 2009.
 Tamalika Chaira, “Intuitionistic fuzzy color clustering of medical images”, Proc. of IEEE, World
Congress on Nature and Biologically inspired soft computing, Coimbatore, 2009.
 Tamalika Chaira, “Intuitionistic fuzzy set theory in image processing”, National seminar on
recent advances in information Technology”, Proc. of RAIT 2008, December, 2009.
. Tamalika Chaira, Ajoy Kumar Ray, and Ovidio Salvetti, “Intuitionistic Fuzzy C means Algorithm in
medical image segmentation”, Proc. of 6th International ICAPR conference, World Scientific
Pub. Co., Kolkata, India, 2007.
 Tamalika Chaira and Ajoy Kumar Ray, “Region Extraction of Remotely sensed colored images
using fuzzy set theoretic Approach,” Intl. Conference on Communication Devices and Intelligent
Systems (CODIS 2004), 8-10 Jan. 2004, Calcutta.
 Tamalika Chaira. and Ajoy Kumar Ray, “ Color Image Retrieval using Fuzzy Divergence,” Proc.
IEEE, fifth International Conference on Advances in Pattern Recognition (ICAPR03), Indian
Statistical Institute, 10-13 Dec. 2003, Calcutta, India.
 Tamalika Chaira and Ajoy Kumar Ray, “Fuzzy Divergence based Image Thresholding,” in
International Conference on Energy Automation and Information Technology, IIT Kharagpur,
544--547, 2001, India.
 T. Chaira, “Fuzzy measures in image Processing”, in Fuzzy Sets and Their Extensions:
Representation, Aggregation and Models. Eds. H. Bustince, F. Herrera, J. Montero,
Studies in Fuzziness and Soft Computing, Springer-Verlag, Vol. 220/2008 (Invited).
 T. Chaira and T. Chaira, “ Intuitionistic fuzzy set theory: Application to Health care ”, in
Computation Information in Bioinformatics, Eds. A. Kelemen, A.Abraham, Y. Chen, Series
in Studies in Computational Intelligence, Springer-Verlag, 2008: 51-68
Reviewer in: IEEE Transaction in Image Processing, Signal Processing Letter, Transaction on fuzzy
systems, IET Image processing,
Elsevier- Pattern Recognition Letter, Fuzzy Sets and Systems, Micron, Computer Vision
and Image Understanding, Applied Soft Computing, Information sciences, Image and
Springer journal, Fuzzy optimization and decision making
World Scientific -International Journal of Information Technology.
Her biography is included in Marquis Whos who in science and engg. 2008, Marquis Whos who in World, 2010, 2012, 2013, 2015
Areas of Research / Professional Expertise
Singing Hindustani Classical Music - Vocal