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关于公式9的问题 about dcls-sr HOT 6 OPEN

megvii-research avatar megvii-research commented on June 25, 2024
关于公式9的问题

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Comments (6)

Algolzw avatar Algolzw commented on June 25, 2024

你好，卷积是满足交换律和分配律的哈。

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lanhoulllllllllll avatar lanhoulllllllllll commented on June 25, 2024

您好，我还是有点不能理解，公式9的右边为什么没有卷积符号了，不应该是下采样之后的图卷积模糊核嘛
image

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Algolzw avatar Algolzw commented on June 25, 2024

我忘记说明了…… 这里其实也是卷积，只是为了简化符号去掉了卷积符号，实际上跟公式6应该是保持一致的。

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lanhoulllllllllll avatar lanhoulllllllllll commented on June 25, 2024

您好，非常感谢您的回复，我还有一个疑问，就是如果是卷积的话，那之后的公式10、11、12、13好像都是基于公式9模糊核处是乘法才得到的，
image
如果是卷积的话那我感觉之后的公式推导又不太成立了，不知道我的理解对不对哈

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Algolzw avatar Algolzw commented on June 25, 2024

后面的推导可以看做是在频域下进行的（卷积转化为乘积），你可以参考原始的最小二乘或者维纳滤波等的推导。

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lanhoulllllllllll avatar lanhoulllllllllll commented on June 25, 2024

好的，非常感谢您的答复！我待会去看看

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