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Data preprocessing #8

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G-z-w opened this issue Jun 3, 2023 · 4 comments
Open

Data preprocessing #8

G-z-w opened this issue Jun 3, 2023 · 4 comments

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@G-z-w
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G-z-w commented Jun 3, 2023

您好,请问您是怎么将原SAR和MSI数据进行归一化操作的呢?原图数据范围层次不起,分布不均,但是我看您处理后的数据都在[0,1]范围内,可以告知具体的操作方式吗?谢谢
以下是某些SAR数据某些通道的数据分布:
image
image
以下是某些MSI数据某些通道的数据分布:
image
image
非常期待您的回复。感谢!

@danfenghong
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danfenghong commented Jun 3, 2023 via email

@G-z-w
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G-z-w commented Jun 3, 2023

这样会不会损失掉每个通道的偏置信息,只留下每个通道的相对值。

@danfenghong
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danfenghong commented Jun 4, 2023 via email

@G-z-w
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G-z-w commented Jun 4, 2023

任何归一化都会损失一定的偏置信息,这是个trade-off的问题。看你主要是什么应用或是目的了,或是数据的质量如何,遥感图像质量良莠不齐,不像自然图像。 G-z-w @.> 于2023年6月4日周日 00:32写道:

这样会不会损失掉每个通道的偏置信息,只留下每个通道的相对值。 — Reply to this email directly, view it on GitHub <#8 (comment)>, or unsubscribe https://github.com/notifications/unsubscribe-auth/AFL2GZRYD763DMOBG5TJVZTXJNRKLANCNFSM6AAAAAAYZD3MR4 . You are receiving this because you commented.Message ID: @.
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感谢感谢!!

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