image processing

[khahmed77]

thank you brother, am in critical situation at my studies project in the third world in wich i have realised an application of detection of defective product but they are demanding me to do the edge detection without the function reserved for that they just wanted me to make it with labview like matlab the same process. 

[wiebe@CARYA]

Well, as stated before:

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wiebe@CARYA wrote:

Yes, but it won't be as good as a Canny edge detector: https://en.wikipedia.org/wiki/Canny_edge_detector

See: https://en.wikipedia.org/wiki/Kernel_(image_processing)#Edge_Handling

You'll need a [-1,-1,-1 ],[-1,8,-1 ],[-1,-1,-1 ] convolution matrix.

More generally: https://en.wikipedia.org/wiki/Edge_detection

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You can build this yourself with more primitive functions...

I'd suggest you give it a try, and let us know where you fail. Preferably with accompanying code.