MATLAB: Is there any egde linking/edge following method in matlab

image processing

Dear all, is there any already implemented method for edge linking/edge following to connect the small edge segment of an image in MATLAB.

       Thanks in advance.

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Try this link: http://www.csse.uwa.edu.au/~pk/Research/MatlabFns/#edgelink

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MATLAB: Whenever I plot a graph in matlab 2010 it always gives error that “G = graph(s,t) ??? Undefined function or method ‘graph’ for input arguments of type ‘double’.” how can I resolve this

The graph and digraph objects were introduced in release R2015b as shown at the bottom of those documentation pages. You will need to upgrade to release R2015b or later to use these objects.

MATLAB: Combining the result of sobel operator into a color egde detector

I don't think that will do what you think it will, but go ahead and see. Experiment and learn. You can combine the results with cat():

rgbImage = cat(3, redEdgeImage, greenEdgeImage, blueEdgeImage);
imshow(rgbImage);

You might want to convert to hsv color space:

hsv = rgb2hsv(rgbImage);
hImage = hsv(:,:,1);
sImage = hsv(:,:,2);
vImage = hsv(:,:,3);

and do edge detection on either the v channel or the h channel, depending on how you define edge. Again, experiment and see what you can get. There are papers on this in Vision Bib: Search Vision Bib

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Related Solutions

MATLAB: Whenever I plot a graph in matlab 2010 it always gives error that “G = graph(s,t) ??? Undefined function or method ‘graph’ for input arguments of type ‘double’.” how can I resolve this

MATLAB: Combining the result of sobel operator into a color egde detector

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