Bi-directional pixel-value differencing approach for RGB color image. - Himakshi; Ravindra Kumar Singh 001; Harsh Kumar Verma; Charan Kamaljit Singh (IC3, 2013)

Bi-directional Pixel-Value Differencing Approach for Steganography. - Himakshi; Harsh Kumar Verma; Ravindra Kumar Singh 001; Charan Kamaljit Singh (SocProS (1), 2013)