IN matlab 2017b version i have a error in canny edge detection like this.

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sasi g
sasi g 2022-2-2
回答： Divyam 2024-9-17
Segmentedimg = edge(Enhanceimg,'canny'); figure('Name','Segmented image','NumberTitle','off'); imshow(Segmentedimg);
title('Segmented Image','fontsize',10,'fontname','Times New Roman','color','Black');
  1 个评论
Umeshraja
Umeshraja 2024-9-17
Hi @sasi g, I am not getting any error. Can you mention more on what kind of error are you encountering? Also attach the file you are using for analysis.

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回答（1 个）

Divyam
Divyam 2024-9-17
Hi @sasi g,
In case you are using an RGB image, you can use the "rgb2gray" function to convert the RGB image to grayscale as the "edge" function takes a grayscale image as input. Apart from that, capitalize the option you are choosing for "edge" function as shown in the code below:
% Optional: converting RGB image to grayscale
Enhanceimg = rgb2gray(Enhanceimg);
% The method name should be "Canny" instead of "canny"
Segmentedimg = edge(Enhanceimg,'Canny');
figure('Name','Segmented image','NumberTitle','off');
imshow(Segmentedimg);
title('Segmented Image','fontsize',10,'fontname','Times New Roman','color','Black');

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