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some questions about the OpenCL Video Motion Estimation Sample

when running the code sample ,i get the pictures overlaid the motion vector ( get the same result as

https://software.intel.com/en-us/articles/intro-to-motion-estimation-ext... 

at the end of the website page , you can see the result picture).

but , the motion vector is too short, that is, the search radius is too small . the searth region is the 8-neighbor of the center 

motion block.

i want to expand the search radius ,but i don't konw how to modify the sample....is there anyone could help me ? thanks very much.

 


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