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DCT
- 对每类中的每幅图片进行DCT变换(8*8)分块并对保留的DCT系数进行反DCT变换,得到重建的图象,显示原图像和重建图像进行对比,并计算出与原图对比的PSNR值。(Each picture in each class is divided into DCT transform (8*8) and the reserved DCT coefficient is inverse DCT transform. The reconstructed image is obtained. The origi