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OpenCv Warp optimization

Hi,

I'm trying to use the opencv stitching pipeline to develop a prototype for a custom stitching flow. The stitching is between 2 pictures, the resolution of each is about 1200x960.

I noticed that the warp perspective function is pretty lengthy, roughly 0.5 seconds for each picture.

Any estimates of how much this could be improved upon and by what method (besides improving hardware)?

Thanks in advance!

Ron