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How can I graph match same object in both the images?

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Rishi Kiran Shankar
关闭： MATLAB Answer Bot 2021-8-20
Hi,
I have to analyse two images which I have included within this messgae.
In two images there are white spots which are genes. These genes can grow/shrink. They also tend to move in x and y direction. A new gene can also pop up or disappear. You can see that in one image there are 11 spots and second image there are 12 white spots. I have to find the translation of each gene. To find translation I have to graph match the same gene in both the image. I used bwlabeln function but since an extra gene is popping up(6th gene) in second image it isn't working for me. Any suggestion would be appreciable.
Thanks,
Regards,
Rishi.

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回答（1 个）

Yogesh Khurana
Yogesh Khurana 2019-7-29
bwlabeln is used to label the components within an image. There are several kinds of features that you can try to extract and match between two images for example SIFT, SURF, Harris Corner Detection etc. The Computer Vision System toolbox allows you to extract features and match them using the RANSAC algorithm.
You can refer to following links for more information:
RANSAC: https://www.mathworks.com/discovery/ransac.html
You can also search for SIFT, SURF, Harris corners etc.
Hope this helps!

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