基于小波和余弦变换组合的图像水印方案
周亚训;叶庆卫;徐铁峰
A New Scheme of Image Watermarking Based on Wavelet and Cosine Transform
ZHOU Ya-xun;YE Qin-wei;XU Tie-feng
电子学报 . 2001, (12): 1693 -1695 .