使用matlab实现的jpeg基本系统，输入为灰度图像，输出为使用‘0’‘1’字符表示的字符串。 包括dct编码与解码、量化与反量化，Huffman编码与解码(The JPEG basic system implemented with MATLAB is entered into a gray image, and the output is a string represented with a '0' '1' character. Including DCT coding and de

matlab基于余弦变换及霍夫曼编码实现jpeg压缩和解压，(Matlab implements JPEG compression and decompression)