File list (Check if you may need any files):
zero-watermarking based on wavelet\arnold.m
..................................\baboon256.jpg
..................................\check_arnold.m
..................................\matrix_nc.m
..................................\pepper512.jpg
..................................\psnr.m
..................................\result.jpg
..................................\wavletxor.asv
..................................\wavletxor.m
zero-watermarking based on wavelet