MATLAB: How to divide a lip print image into upper and lower half

cheiloscopydigital image processingimage segmentationpartition

I m working on cheiloscopy.I want to partition a lip print image into upper lip and lower lip.How can i do that?

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May be this can help you as a starting point

https://www.mathworks.com/help/images/ref/bwboundaries.html

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MATLAB: Fixed-point precision, why half

If you look at the example of 2^4: Let's take the number 1. The number 1 represents all numbers in the interval [1-0.03125, 1+0.03125]. So the difference between two successive numbers is 0.0625, nevertheless the difference between any number and it's closest representative is at most 0.03125.

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MATLAB: How to divide an image into upper and lower regions

I = imread('your image');   % read image 
Ibw = im2bw(I);            
Ilabel = bwlabel(Ibw);   
stat = regionprops(Ilabel,'centroid');   % get centroid 
imshow(I); hold on;
plot(stat.Centroid(1),stat.Centroid(2),'ro');
%%dive the image 
c = fix(stat.Centroid) ;
I1 = I(1:c(1),:,:) ;
I2 = I(c(1)+1:end,:,:) ;
figure ; imshow(I1) ; 
figure ; imshow(I2) ;

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MATLAB: Fixed-point precision, why half

MATLAB: How to divide an image into upper and lower regions

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