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DCTtransformation
- DCT变换的基本思路是将图像分解为8×8的子块或16×16的子块,并对每一个子块进行单独的DCT变换,然后对变换结果进行量化、编码-The basic idea is to transform DCT the image is decomposed into 8 × 8 sub-block or 16 × 16 sub-blocks, and each separate sub-block DCT, and then quantify the results of the transform c