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关于归一化是用的均值和标准差 #63

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Alex-a233 opened this issue Aug 4, 2024 · 0 comments
Open

关于归一化是用的均值和标准差 #63

Alex-a233 opened this issue Aug 4, 2024 · 0 comments

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@Alex-a233
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前辈！您好！
我想请问一下，您这里对图像进行数据增强所使用的均值和标准差是如何计算得到的？
image

我想了一下，您可能是对训练集的所有图像逐个进行了均值和标准差的计算然后累加这两个值，最后把两个累加和都除以1450，即图像数量，但是因为后续还需要对图像进行调整尺寸，即统一调整为352，所以计算的时候也把这个考虑进去了？
不知道我想的对不对，期待您的回复
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@Alex-a233