如何在matlab中找到图像中线条的空间频率
我有兴趣从整个图像中找到与此线相对应的空间频率,如链接 http://tinypic.com/view.php?pic=a0fi9i&s=5
[编辑:上传图片] 谁能提出如何找到这些空间频率的想法?
提前致谢。
I'm interested to find the spatial frequencies corresponding to this line from the entire image as shown in this link http://tinypic.com/view.php?pic=a0fi9i&s=5
[EDIT: uploaded pic]
can anyone suggest ideas how to find these spatial frequencies?
Thanks in advance.
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这里天真的答案是简单地使用 2D FFT。如果这没有达到您的期望,您将需要澄清您的问题。
The naive answer here is to simply use a 2D FFT. If this doesn't do what you were hoping for, you will need to clarify your question.