how to write morphological based edge detection code based using imdilate and erode to find edges for image of one pixel width
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Finding edges For attached image using morphological based functions like imdilate and imerode
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Image Analyst
el 7 de En. de 2015
Did you try obvious things like
edgeImageE = double(grayImage) - double(imerode(grayImage));
imshow(edgeImageE, []);
edgeImageD = double(grayImage) - double(imdilate(grayImage));
imshow(edgeImageD, []);
on your images (which were not attached by the way)?
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Image Analyst
el 7 de En. de 2015
The dilation will probably be all white. The erosion of that image will also be all white since erosion is a local min and there are no mins - the entire image is 255. The erosion of the original image will have thicker black lines. The subtraction of the erosion of the original from the dilation of the original should show something. What is the problem? Where is your code and original image, or screenshots of your resulting images? Try this.
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