How can define a object and then find vision.opticalflow of this object?

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Afsoon
Afsoon 2016-9-25
评论： Afsoon 2016-9-26
Dear all: I'm trying to find opticalflow of specific object in movie. How can I define a object and then find opticalflow of this object?

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Image Analyst
Image Analyst 2016-9-25
I think you find the optical flow of the whole frame. You can then threshold to find the regions that have higher optical flow (more movement).
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Afsoon
Afsoon 2016-9-26
Thank you for your answer, I mean I want to find optical flow for user-defined region, not all regions with movement. Like set a marker to specific region and then find optical flow for it.

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