Dr. Smita Agrawal




Image Processing



Contact no.: 08604083841


Smita Agrawal is working as a Lecturer in Computer Science and Engineering Department, Thapar Institute of Engineering & Technology, Patiala. She has done her M.C.A. and Ph.D. from B.B.A.U. (A Central University), Lucknow. She has also qualified UGC-NET. She has 7 years’ experience of teaching undergraduate and master level courses such as B.Tech., B.C.A. and M.C.A. During her teaching tenure, she has actively participated in few FDPs and workshops. She has contributed few articles in reputed journals in the field of computer science. Her areas of interest are Image security, reversible watermarking and image encryption. 

Membership of Professional Institutions, Associations, Societies

International Institute of Engineers (IAENG)

Publications and other Research Outputs


  • Manoj Kumar and Smita Agrawal, “Color Image Encoding in DOST domain using DWT and SVD”, Optics and Laser Technology, Elsevier, vol. 75, pp. 138-145, 2015. (I.F. – 2.109)
  • Manoj Kumar and Smita Agrawal, “Reversible Data Hiding based on Prediction Error Expansion using adjacent pixels”, Security and Communication Networks, Wiley, vol. 9 (16), pp. 3703-3712, 2016. (I.F. – 1.076)
  • Smita Agrawal and Manoj Kumar, “Mean Value based Reversible Data Hiding in Encrypted Images”, Optik-International Journal of Light and Electron Optics, Elsevier, 130, pp. 922-934, 2017. (I.F.- 0.835)

Description of Research Interests

Image security, Reversible watermarking, Image encryption