图像DCT编码压缩，经DCT变换，量化，编码，然后再解码。-DCT coding image compression, the DCT transform, quantization, coding, and then decode.

DCT变换用于JPEG压缩编码的实验，实验目的:掌握DCT变换的基本运算和JPEG编码的基本过程-DCT transform coding for the JPEG compression experiments Objective: To master the basic computing DCT transform coding and JPEG basic process

Scalable MPEG compression based on DCT coefficient