Trying to extract road from an image but got the error- "Integers can only be combined with integers of the same class, or scalar doubles."

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shantanu shukla 2014-4-22

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https://ww2.mathworks.cn/matlabcentral/answers/126637-trying-to-extract-road-from-an-image-but-got-the-error-integers-can-only-be-combined-with-integers

关闭： MATLAB Answer Bot 2021-8-20

[f,p]= uigetfile('.jpg'); I=imread([p,f]); figure, imshow(I);

if ndims(I)==3 I1=rgb2gray(I); else I1=double(I); end k=3; [mu,mask]=kmeans(I1,k); figure, imshow(mask,[]); title('unsuper');

%I2=mask;

figure,imshow(I3); title('morphpo');

I4=medfilt2(I3,[5,5]); figure,imshow(I4);

levelset_method(I4,I1);

hs=14; hr=12; m=30; me_seg= meseg(I1,hs,hr,m); S1=imcomplement(im2bw(me_seg));

se1=strel('disk',3); Iout=imerode(S1,se1); figure, imshow(I) hold on; contour(Iout,[0,0],'r')

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Image Analyst 2014-4-22

http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-question-with-markup

Jan 2014-4-22

Please post the complete error message. Most of all the part which explains in which line the error occurs is important, such that we do not have to spend time for guessing this detail.

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Answer 1

Image Analyst 2014-4-22

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https://ww2.mathworks.cn/matlabcentral/answers/126637-trying-to-extract-road-from-an-image-but-got-the-error-integers-can-only-be-combined-with-integers#answer_134156

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You might try this

I1 = double(rgb2gray(I));

Trying to extract road from an image but got the error- "Integers can only be combined with integers of the same class, or scalar doubles."

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Trying to extract road from an image but got the error- "Integers can only be combined with integers of the same class, or scalar doubles."

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