Bacterial Cell Segmentation - Ignoring touching bacterial cells
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I’m creating a program that will take in cell images (160810_rpoEdel_13.jpg) and segment the image to identify individual cells’ centroid location and pixel intensity values. So far, by using sobel edge detection and regionprops to filter out things that are too big, my program can remove most clusters and returns an image that is pretty decent. However, there some touching cells that pass through the filters (segmentedImage.jpg).
Is there another / better way to ignore or filter out the touching cells? Or a better way to segment them?
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Image Analyst
2017-7-20
编辑:Image Analyst
2017-7-20
The binary image doesn't even look like it came from the same image. You can check solidity to find out which blobs are touching, assuming one of them is at an angle to the other.
By the way, I don't think I'd use Sobel filter - it already looks kind of like a Sobel filtered image. Anyway, you can get a decent binary image just by taking the red channel and thresholding it at 110.
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MathWorks Medical Imaging Team
2023-6-20
编辑:MathWorks Medical Imaging Team
2023-6-20
As IA mentioned, we cant locate the failing cases.
(You can tweak the cell diameter to get better results, potentially running it twice - once for small cells and once for large cells and then doing a non-max supression)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1415794/image.png)
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