Open Access

ARTICLE

An Improved Steganographic Scheme Using the Contour Principle to Ensure the Privacy of Medical Data on Digital Images

R. Bala Krishnan¹, D. Yuvaraj², P. Suthanthira Devi³, Varghese S. Chooralil⁴, N. Rajesh Kumar¹, B. Karthikeyan⁵, G. Manikandan^5,*

1 Srinivasa Ramanujan Centre, SASTRA Deemed University, Kumbakonam, Tamil Nadu, India
2 Department of Computer Science, Cihan University–Duhok, Kurdistan Region, Iraq
3 Department of Information Technology, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
4 Department of Computer Science & Engineering, Rajagiri School of Engineering & Technology, Kakkanad, Kerala, India
5 School of Computing, SASTRA Deemed University, Thanjavur, Tamil Nadu, India

* Corresponding Author: G. Manikandan. Email: