Blob for tumor Segmentation

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Muhammad Hadi Qureshi 2023-1-3

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https://ww2.mathworks.cn/matlabcentral/answers/1887987-blob-for-tumor-segmentation

评论： Image Analyst 2023-1-11

Hello, I'm working on segmenting and seperating the tumors from Brain MRI scans. I uses Gaussian filter to pre-process,and then i used thresholding( I >100) to threshold my image. I then used morphological operations to smooth the image and bwlabel to label and then to get the boundaries of the labels. I want to seperate the inner blob\circular region so that I can seperate the tumor from the images. Pleaseee help me with this

What im finding common in almost all the images is the fact that the tumor is of circular shape, and i need a method to somehow extract that and discard all other aspect as for now. Any other methadology is preferred as well. Thank you

Attaching the picture of results as ref

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回答（1 个）

Image Analyst 2023-1-3

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https://ww2.mathworks.cn/matlabcentral/answers/1887987-blob-for-tumor-segmentation#answer_1140737

See my skull stripping demo. It does this and gets rid of the skull by finding the bright skull and then eroding it away.

Your decision/assumption that all tumors are round is not a good or robust one. For better algorithms, see PubMed or VisionBib:

http://www.visionbib.com/bibliography/contentsmedical.html#Medical%20Applications,%20CAT,%20MRI,%20Ultrasound,%20Heart%20Models,%20Brain%20Models

If it's just a simple homework problem, fine, but if you're working on your Ph.D. you'll have to come up with something better than all the prior published algorithms (none of which are as simple as my code or what you proposed - they're much better).

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Muhammad Hadi Qureshi 2023-1-11

Also, please let me if i shall cite your code, as im using your code for skull striping and extracting the tumor?If so, could you please guide me the procedure how to?

Image Analyst 2023-1-11

No need to cite but you can put my name and this URL in your source code if you want. I don't have a paper on this since it's to basic/elementary to be worthy of a publication. It's just common sense stuff.

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