Zhang Hanling

A Semi-fragile Watermarking Based on Quadtree Structure

Jian Hui, Zhang Hanling, Liu Liangliang, 2011 .

Image Steganography Using Pixel-Value Differencing

Zhang Hanling, Geng Guangzhi, Xiong Caiqiong, 2009, 2009 Second International Symposium on Electronic Commerce and Security.