Digital Watermarking Technique for Ownership Claim using Buyer Signature. - Sarabjeet Singh Bedi; Harpreet Singh Sobti; Rabia Bano; Shekhar Verma (Security and Management, 2008)

Image Index Based Digital Watermarking Techniqu for Ownership Claim and Buyer Fingerprinting. - Sarabjeet Singh Bedi; Rabia Bano; Shekhar Verma (World Congress on Engineering (Selected Papers), 2008)