根据重叠DCT人脸识别 - matlab源代码。在JPEG图像压缩算法中,输入图像被划分成8×8或16×16块,且两维DCT计算每个块。该DCT系数随后量化,编码和传送。将JPEG接收机(或JPEG文件读取器)解码该量化的DCT系数,计算每个块的逆二维DCT,然后把这些块回到一起成单个图像。对于典型的图像,许多DCT系数具有接近零的值;这些系数可在不严重影响重建图像的质量被丢弃。这样的算法的结果特别坚固也用于脸部识别。...
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新 教育和科学软件 为 Luigi Rosa
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