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JND
- 将watson的DCT视觉模型计算出来，能够得到每个8*8块的系数的JND值- calculate watson s vision model,we can get the JND of every 8*8 s coefficients.
dct
- 应用matlab程序编写的在不同量化系数下的有损压缩效果(The lossy compression effect of different quantization coefficients written by matlab program)
MATLAB读取JPEG图片的DCT系数
- jpg编解码，提取DCT系数，dc系数和ac系数的哈夫曼编码表等(Jpg coding and decoding, extracting DCT coefficients, DC coefficients and AC coefficients Huffman coding table, etc.)