里面是JPEG的标准变换过程，含有离散余弦变换，哈弗曼编码和行程编码-Inside the JPEG standard transform, DCT, Hafu Man coding, run length encoding

里面是JPEG的标准变换过程，含有DCT变换，哈弗曼编码-Inside the JPEG standard transform, DCT, Hafu Man coding, run length encoding

该文档详细描述了JPEG编码过程，涉及色系变换、DCT变换、量化、Huffman编码等关键步骤，适合JPEG编码入门学习。-The document is a detailed descr iption of the JPEG encoding process involves color transform, DCT transform, quantization and Huffman coding key steps, learning portal for JPEG encoding.

数字图像处理，DCT变换编码，图像压缩，遮罩矩阵(DCT transform coding, image compression)