Image Segmentation Overlapping Objects Same Color

Question

Alex Blanchard 2020-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/642585-image-segmentation-overlapping-objects-same-color

回答： Pranav Verma 2020-11-12

I am trying to sement an image containing a several, overlapping sine waves of the same color. Ultimately I am trying to do two things: (1) Determine how many sine waves there are in an image, and (2) Extract the data seperately for each so that I can perform a curve fit on each wave seperately. Currently, I am able to use color thresholding and active contouring to pull out ALL of the data in a particular image, but I can't separate the data into individual sine waves.

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Answer 1

Pranav Verma 2020-11-12

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https://ww2.mathworks.cn/matlabcentral/answers/642585-image-segmentation-overlapping-objects-same-color#answer_541978

Hi Alex,

I understand from your question that you want the sine wave images to be available separately. Since the sine waves are overlapped, may be you can proceed with a different approach of watershed segmentation. Refer to the below documentation on the same:

https://www.mathworks.com/help/images/marker-controlled-watershed-segmentation.html

Below thread explains how to segment the color image using active contours

https://www.mathworks.com/matlabcentral/answers/298260-how-to-segment-a-color-image-using-active-contours

The below discussions on the similar lines where the user wants to save the segmented region separately as an image:

https://www.mathworks.com/matlabcentral/answers/363749-how-to-save-the-segmented-region-as-a-separate-image

https://www.mathworks.com/matlabcentral/answers/76141-to-store-segmented-images-in-a-separate-folder-file

Thanks