Panning filter device, corresponding method and computer program product
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United States of America Patent
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Jan 8, 2019
Grant Date -
Nov 27, 2014
app pub date -
May 15, 2014
filing date -
May 21, 2013
priority date (Note) -
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Abstract
A panning device for processing relative motion vectors and absolute motion vectors obtained from a video sequence, includes: a panning filter module, such as a high-pass IIR filter, for subjecting relative motion vectors to panning processing, an adder module for adding the relative motion vectors subjected to panning in the panning filter module to absolute motion vectors to obtain respective summed values of motion vectors, a clipping module for subjecting the summed values of motion vectors obtained in the adder module to clipping according to a selected cropping window for obtaining final output absolute motion vectors, a first leak integrator arranged after the panning filter module, and a second leak integrator arranged after the clipping module.
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