MRI Image processing in MATLAB

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nstrn hdr
nstrn hdr 2020-2-14
编辑： KALYAN ACHARJYA 2025-3-29
Hello
I'm Matlab beginner...How can i reach 2th image(MRI after initial filter) of step 4 of this site:
https://www.instructables.com/id/Isolating-MRI-Brain-Tumor-Using-Matlab/#discuss
thank you
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nstrn hdr
nstrn hdr 2020-2-20
Thank you for your attention, but if you click on the image of the part "Step 4: Filter Out Noise From the Image" you can clearly see "MRI after initial filter" image (that I brought it under my question). furthermore, the belonging code is the 2nd image of that part too.
I saw your perfect code, but it had an error on my image bcz of it is MRI image, not CT.
Hope you bestt

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KALYAN ACHARJYA
KALYAN ACHARJYA 2025-3-29
编辑：KALYAN ACHARJYA 2025-3-29
As per the referenced link, you can easily access the second segment image. Ensure that the original image is in the current working directory or specify the correct path.
Code:
I = imread('mri_test.png');
thresha = I>150 & I < 260;
imagesc(thresha);colormap(gray);
Result:
For a better understanding of image segmentation, please refer to the materials provided by Image Analyst in the comment section of the question.

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