MATLAB: Get the inner white circle

morphological operation

i wanted to get the inner white circle and blacken all the remaining portions….

please can someone help me solve this…

i am trying to get such an image…. but not getting… please help…

Best Answer

regionprops() 'BoundingBox' would give you the bounding box without any problems. You could also request the 'Eccentricity' and use that to choose between the two output regions. You might also want the 'Image' property.

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MATLAB: Hi, I need to get the X,Y coordinates of white pixels area. can anyone help me to do this,please

Use regionprops to get the size and location of each white region, and keep only the largest.

regionstats = regionprops(I7, 'all');
[~, largestidx] = max([regionstats.Area]); %find index of largest region
regionstats(largestidx).BoundingBox    %coordinate of bounding box of largest region
regionstats(largestidx).PixelList      %coordinate of all pixels in the region as a matrix

MATLAB: How to get a border/boundary around the hand as shown in the figure

You can use the below command with properties as 'BoundingBox'

stats = regionprops(BW,properties)

https://in.mathworks.com/help/images/ref/regionprops.html

Best Answer

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MATLAB: Hi, I need to get the X,Y coordinates of white pixels area. can anyone help me to do this,please

MATLAB: How to get a border/boundary around the hand as shown in the figure

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