Exporting coordinates from a binary image
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I would like to extract the necessary coordinates of these structures in order to introduce them in a software that will use them as input to reproduce the image for mechanical simulation purposes. I have never used a matlab-based image analysis approach, would you know how proceed?
采纳的回答
yes，sir，may be use image label to get every block，such as
clc; clear all; close all;
[img,map] = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/898115/image.png');
if ~isempty(map)
img = ind2rgb(img,map);
end
bw = im2bw(img,0.2);
bw2 = imclose(bw,strel('line',100,0));
bw2 = imclose(bw2,strel('line',50,90));
bw2 = imfill(bw2, 'holes');
bt = logical(bw2-bw);
[L,num] = bwlabel(bt);
% choose block
figure; imshow(img, []); hold on;
h = imshow(label2rgb(L));
set(h,'AlphaData',0.6)
更多回答（1 个）
Image Analyst
2022-2-17
0 个投票
Not sure what that software wants, but it looks like those are outlines of labeled regions, so you could extract each region one at a time with ismember() and then use bwboundaries() to get the (x,y) coordinates of the single region and write it out. Then just repeat for every region.
2 个评论
LUIS MARIA ROSETY BERNAL
2022-2-18
So i have to clarify that I am a newbie with matlab. this is a CAD software where i need to provide coordinates ( (x,y) values ) in order to reproduce this same image. what I need is to export the coordinates of the cells that have a value different from 0.
Image Analyst
2022-2-18
It looks like that is just the binary image you posted. Is that what your program wants?
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