Method for estimating the motion between two digital images with management of mesh overturning and corresponding coding method
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United States of America Patent
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Nov 8, 2005
Grant Date -
Apr 3, 2003
app pub date -
Dec 7, 2000
filing date -
Dec 9, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for estimating the motion between two digital images and to the use of this method for coding images. The aim of the method is to eliminate the disturbances caused by the mesh being overturned during the motion estimation process. According to the invention, the method consists of carrying out a first motion estimation in order to identify the faulty mesh, i.e. the mesh that is overturning or is overlapping after the displacement vectors have been applied; then carrying out a second motion estimation, excluding at least said faulty mesh, in order to minimize prediction error on the remaining mesh of the model.
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