how do I find the smallest object in a binary coins image ?

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betty
betty 2021-12-7
评论： betty 2021-12-8
How to find the smallest object in the image below I would appreciate it if you could help

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回答（2 个）

Yusuf Suer Erdem
Yusuf Suer Erdem 2021-12-7
check imfindcircles command. there are multiple similar examples on matlab help center. try to adapt yours to them.
yanqi liu
yanqi liu 2021-12-8
Ran in:
clc; clear all; close all;
im=imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/826480/image.png');
bw=im2bw(im);
bw=imclearborder(imfill(bw,'holes'));
% find the smallest object
stats=regionprops(bw);
ar=cat(1,stats.Area);
[~,ind]=min(ar);
figure; imshow(im);
hold on; rectangle('position', stats(ind).BoundingBox, 'EdgeColor', 'g', 'LineWidth', 2)

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