DCT
...\Contrib8_Cripto_M-Nakano.pdf
...\DCT_image.asv
...\DCT_image.m
...\image_blocs.bmp
...\image_dct.bmp
...\image_dct_cuant.bmp
...\image_deco.bmp
...\image_error.bmp
...\lenna256.bmp
...\lince.bmp