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关于bpp的计算 #15

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lubin2022 opened this issue Dec 12, 2023 · 2 comments
Open

关于bpp的计算 #15

lubin2022 opened this issue Dec 12, 2023 · 2 comments

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@lubin2022
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您好,关于bpp的具体计算我有一个问题,中间特征y和z的分辨率是要比原始图像x更小的,打个比方,原始图像为3,256,256,y可能就是C1,100,100,z应该更小可能是C2,50,50,那么计算bpp的时候是除以原始图像的分辨率(256,256),还是中间特征的分辨率(200,200)或者(50,50)?

@mx54039q
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你好, bpp是严格定义的 Bits per pixel, 分母是原始图像的pixel总和.

@lubin2022
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感谢您的回答,还有一个问题,AE和AD为算术编码和算术解码模块,这两个模块的操作过程是不是无损的,y_hat经过AE模块编码和AD模块解码后是不是可以完全恢复得到一摸一样的y_hat?

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