中文说明：
JPEG图像压缩和解压MATLAB程序，使用了DCT2、线性量化编码、zigzag变换和游程编码理论
English Description：
The matlab program of JPEG image compression and decompression uses DCT2, linear quantization coding, zigzag transformation and run length coding theory
JPEG image compression and decompression matlab program
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中文说明：
JPEG图像压缩和解压MATLAB程序，使用了DCT2、线性量化编码、zigzag变换和游程编码理论
English Description：
The matlab program of JPEG image compression and decompression uses DCT2, linear quantization coding, zigzag transformation and run length coding theory
image compression final
.......................\invZigzag.m
.......................\main.asv
.......................\main.m
.......................\main2.asv
.......................\main2.m
.......................\my_dct2.asv
.......................\my_dct2.m
.......................\my_idct2.m
.......................\PSNR.m
.......................\toZigzag.m