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probleme with binarization my image

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Bekhtaoui Abdelhakim
关闭： MATLAB Answer Bot 2021-8-20
hi everyone please how can i remove thoses small pieces and small squares outside the finger imag
thanks for helping

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回答（2 个）

Sulaymon Eshkabilov
Hi,
Here is a simple solution:
clearvars
DD=imread('image.bmp');
figure(1), imshow(DD), title('Original')
MSK = DD > 25;
MSK = bwareaopen(MSK, 25);
MSK1 = imclearborder(MSK);
figure(2) % Compare Figure 1 and Figure 2
imshow(MSK1), shg, title('Cleaned')
Good luck.
Image Analyst
Image Analyst 2019-5-26
Try
  • imclearborder() to remove blobs touching the edge of the image.
  • bwareafilt() to remove the largest blob(s) or blobs with areas in a certain range.
  • bwareaopen() to remove blobs smaller than a certain area.

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