Shape based object extraction using Morphological Operation | MATLAB

Published: 26 June 2020
on channel: Knowledge Amplifier

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Code for measuring the vertical lines:
clc
clear all
close all
warning off
x=rgb2gray(imread('Hor.JPG'));
x=imbinarize(x);
SE = strel('line',20,90);
s=imerode(x,SE);
s=imdilate(s,SE);
imshowpair(x,s,'montage');

Code for measuring the horizontal lines:

clc
clear all
close all
warning off
x=rgb2gray(imread('Hor.JPG'));
x=imbinarize(x);
SE = strel('line',20,0);
s=imerode(x,SE);
s=imdilate(s,SE);
imshowpair(x,s,'montage');

Code for measuring the approximate slope of unknown straight line:

clc
clear all
close all
x=rgb2gray(imread('Hor.JPG'));
x=imbinarize(x);
imshow(x);
for i=10:75
SE = strel('line',20,i);
s=imerode(x,SE);
s=imdilate(s,SE);
imshowpair(x,s,'montage');
title(i);
pause;
end

#ImageProcessing #MATLAB #ComputerVision

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