基于正负量化的DCT域数字图像盲水印算法研究

李昊，吕建平，杨芳芳

Blind watermarking algorithm of digital image based on positive and negative quantified DCT-domain

LI Hao，LV Jianping，YANG Fangfang

计算机工程与应用 . 2011, (5): 186 -187 .