How to find active contours of multiple images simultaneously and how to overlay multiple of them?

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Charu 2023-6-2

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https://ww2.mathworks.cn/matlabcentral/answers/1977174-how-to-find-active-contours-of-multiple-images-simultaneously-and-how-to-overlay-multiple-of-them

评论： Charu 2023-6-2

I have tried various codes for active contour using ROI but it works for one image at a time and overlay using cast outpict function it decreases brightness of other boundary.

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Answer 1

Constantino Carlos Reyes-Aldasoro 2023-6-2

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https://ww2.mathworks.cn/matlabcentral/answers/1977174-how-to-find-active-contours-of-multiple-images-simultaneously-and-how-to-overlay-multiple-of-them#answer_1248879

Post what you have done so that it is possible to help.

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Charu 2023-6-2

i have applied this code to find active contour of an image and get this image. i want to get several of them together.

A = imread('Charu 5.jpg');

imshow(A)

I = rgb2gray(A);

figure

imshow(I)

r = drawrectangle;

mask = createMask(r);

bw = activecontour(I,mask,1,'edge');

hold on;

visboundaries(bw,'Color','r');

Charu 2023-6-2

Also, for overlaying multiple images, i used this code. but it decreases brightness of upper image on successive overlaying.

A = imread('A0.jpg');

B = imread('A1.jpg');

C = imread('A2.jpg');

D = imread('A3.jpg');

E = imread('A4.jpg');

F = imread('A5.jpg');

G = imread('A6.jpg');

outpict = cat(7,A,B,C,D,E,F,G);

outpict = cast(mean(outpict,7),class(A));

imshow(outpict);

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How to find active contours of multiple images simultaneously and how to overlay multiple of them?

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How to find active contours of multiple images simultaneously and how to overlay multiple of them?

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