基于非下采样ContourIet变换和HiII编码的图像隐写
孙树亮
Image steganography based on nonsubsampled Contourlet transform and Hill cipher
Shuliang SUN
电信科学 . 2016, (6): 124 -128 .  DOI: 10.11959/j.issn.1000-0801.2016170