jiang yutong

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统计学

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Why do we divide the variance by 255^2 when adding Gaussian noise in MATLAB?
I came across a piece of code on GitHub that adds Gaussian noise to an image in MATLAB, and I noticed the following line: code ...

3 days 前 | 0 个回答 | 0

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Help: What are the differences between lwt2 in previous versions and the current version?
I saw someone using it in MATLAB 2018a with the syntax [CA,CH,CV,CD]=LWT2(img,'haar');. On the official website, I found that a...

5 months 前 | 1 个回答 | 0

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