Description: This a JPEG codec with AC/DC Huffman entropy coding, 4:2:0 Sampling, RGB/YCbCr converter.
2D-DCT and Quantization is included in the JPEG_Main.
There also a Huffman table list in .txt, two sample testing picture and the bitrate-PSNR , CompressionRatio-bitrate comparison analysis.
The main function is JPEG_Main, and the others is sub-main funtion.
Last but not least, the total implementation is based on the reference 映像情報メディア学会 ,which is written by 吉田俊之
To Search:
File list (Check if you may need any files):
DCdif_fn.m
four_two_zero_recovery.m
JPEG_Main.m
Lena512c.bmp
MatCom_fn.m
nn.txt
PEPPER.BMP
YCbCr_fn.m
AC_De_Huff.m
AC_Huff.m
AC_Huff_fn.m
bitrate_PSNR.JPG
CompressionRatio_bitrate.JPG
DC_De_Huff.m
DC_Huff_fn.m