Finding symmetric peak in an image

Question

Asad 2021-10-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1501701-finding-symmetric-peak-in-an-image

回答： Image Analyst 2021-10-10

fig.PNG

I have series of 3D data sets with a symmetric peak. One example is attached. I am required to detect the location of the peak. I already tried the Matlab function findpeaks and looking for more efficient solution. Any suggestion/code

The Code should be fast
The peak is symmetric (non symmetric peaks should be ignored)
The peak have a minimum height of 0.05.

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Answer 1

Image Analyst 2021-10-10

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1501701-finding-symmetric-peak-in-an-image#answer_805481

I doubt it's faster but on the surface (image) you can try imregionalmax() or imtophat().

And it looks like you have only 2-D data. You have a value for each x and y. Two indexes (x and y) so 2-D, despite the fact that you render it in a 2.5D surface.

Your corss sectional plot is 1-D, not 2-D. You have only one independent variable (the x position) and a value for that position. So again, one index means one dimension, and it can be represented by a 1-D vector.