any function for edge detection from image in cuda..

hello, can you told to me about any function that i use as a edge detector for image…

The logical place for such functionality is the NPP library that ships with CUDA. However, the most recent version of NPP has not API calls for edge detection (I checked documentation, also confirmed with the NPP team).

I would suggest filing an enhancement request via the bug reporting form linked from the registered developer website. Please prefix the subject line with “RFE:” (= request for enhancement) so it can be readily distinguished from an actual bug report. As there are multiple different method for edge detection, you might want to state which one(s) are required for your use case.