Tzovaras et al., 1997 - Google Patents
Optimization of quadtree segmentation and hybrid two-dimensional and three-dimensional motion estimation in a rate-distortion frameworkTzovaras et al., 1997
View PDF- Document ID
- 11798080616205865351
- Author
- Tzovaras D
- Vachtsevanos S
- Strintzis M
- Publication year
- Publication venue
- IEEE Journal on Selected Areas in Communications
External Links
Snippet
A rate-distortion framework is used to define a very low bit-rate coding scheme based on quadtree segmentation and optimized selection of motion estimators. This technique achieves maximum reconstructed image quality under the constraint of a target bit rate for …
- 230000011218 segmentation 0 title abstract description 53
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- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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- H04N19/567—Motion estimation based on rate distortion criteria
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