I want to detect edges of object in image and color the edges with red?

I want to read detect edges of objects in the video and color them.I am able to extract frames from videos and apply edge detection algorithms but i am not able to color the boundaries.Plz help me with code?

Answer 1

[Image Analyst]

How about finding the boundaries on your segmented, binary image with bwboundaries and then plotting them in the overlay with plot()?

[amit pathania]

I tried but i m not getting the results.can u help me with code.

[Image Analyst]

See my Blobs demo image segmentation tutorial with the coins on my file Exchange: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862