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[Special Effects] djpeg DL : 0: 实现jpeg图像解码功能。代码设计思路：1, Reconstruct the Huffman/RLE stream to a sequence 2, Arrange the sequence to a matrix using the zigzag scanning backwards 3, Multiply the matrix by quantization table 􀂄 4, Perform inverse DCT 5, Shift the values by +128 6, Transform back to RGB color space -Realize jpeg image decoding capabilities. Code design: 1, Reconstruct the Huffman/RLE stream to a sequence2, Arrange the sequence to a matrix using the zigzag scanning backwards3, Multiply the matrix by quantization table
Date : 2025-07-02 Size : 182kb User : 颜新卉