Matlab code for DCT-based color digital image watermarking.
Any useful information will be found from paper 'Spatial-perceptual Embedding with Robust Just Noticeable Difference Model for Color Image Watermarking'.
Environment: Matlab 2016b
Usage: Main: demo.m
For embedding: embed_dmjnd.p
For detection: ddetect_dmjnd.p
JND model: func_jnd_wan.p