Television – Bandwidth reduction system – Data rate reduction
Patent
1994-09-19
1998-02-03
Chin, Tommy P.
Television
Bandwidth reduction system
Data rate reduction
348415, 348412, 348644, 348420, 348421, H04N 718
Patent
active
057150060
ABSTRACT:
A motion compensated predicting device compensates motion by segmenting a reference image to generate an initial predicted image and estimated value correcting information. The correcting information includes area segmentation information, motion information of each area, information of each pixel not assigned with an estimated value, and information of each pixel assigned with several estimated values. An estimated value correcting device references the initial predicted image and the estimated value correcting information to decide the value of the pixel for which a unique estimated value is missing in the initial predicted image so as to finally produce a motion compensation predicted image. Through interpolation, motion vectors are decided for a portion for which estimated values cannot be uniquely determined, and hence the contour of the overall area is kept remained and distortion of area boundaries is minimized. This leads to a motion compensation estimating apparatus capable of keeping a continuous motion of pixels, which are not uniquely assigned with estimated values, with respect to peripheral area of the pixels.
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Chin Tommy P.
NEC Corporation
Rao Akand B.
LandOfFree
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