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Description: 计算原始图像和压缩图像之间average psnr的工具，做多媒体分析方面的人都需要。-Calculation of the original image and compressed image among average psnr tools make multi-media analysis are required.
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Size: 27648 |
Author: zhangjiessie |
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Description: 求数字图像处理后的评价参数（SNR）信噪比，matlab原程序！-After the digital image processing for the evaluation parameters (SNR) signal to noise ratio, matlab original program!
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Size: 1024 |
Author: 胡晓明 |
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Description: This a JPEG codec with AC/DC Huffman entropy coding, 4:2:0 Sampling, RGB/YCbCr converter.
2D-DCT and Quantization is included in the JPEG_Main.
There also a Huffman table list in .txt, two sample testing picture and the bitrate-PSNR , CompressionRatio-bitrate comparison analysis.
The main function is JPEG_Main, and the others is sub-main funtion.
Last but not least, the total implementation is based on the reference 映像情報メディア学会 ,which is written by 吉田俊之-This is a JPEG codec with AC/DC Huffman entropy coding, 4:2:0 Sampling, RGB/YCbCr converter.
2D-DCT and Quantization is included in the JPEG_Main.
There also a Huffman table list in .txt, two sample testing picture and the bitrate-PSNR , CompressionRatio-bitrate comparison analysis.
The main function is JPEG_Main, and the others is sub-main funtion.
Last but not least, the total implementation is based on the reference 映像情報メディア学会 ,which is written by 吉田俊之
Platform: |
Size: 828416 |
Author: Chao-Tin Wu |
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