2-D DCT/IDCT for JPEG Compression: All Files - File Exchange

No BSD License

from 2-D DCT/IDCT for JPEG Compression by Ahmed Samieh
Fast Implementation of 8X8 DCT/IDCT for JPEG Compression

All files for 2-D DCT/IDCT for JPEG Compression
/DCT_8X8.m /IDCT_8X8.m