Telefonaktiebolaget lm ericsson (publ) (20240236332). OVERLAPPED DECODER SIDE MOTION REFINEMENT simplified abstract
Contents
OVERLAPPED DECODER SIDE MOTION REFINEMENT
Organization Name
telefonaktiebolaget lm ericsson (publ)
Inventor(s)
[[:Category:Jacob Str�m of Stockholm (SE)|Jacob Str�m of Stockholm (SE)]][[Category:Jacob Str�m of Stockholm (SE)]]
Kenneth Andersson of Gävle (SE)
OVERLAPPED DECODER SIDE MOTION REFINEMENT - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240236332 titled 'OVERLAPPED DECODER SIDE MOTION REFINEMENT
The abstract describes methods and apparatus for encoding or decoding a first structure within a picture in a video sequence. It involves determining an initial motion vector and candidates for a second structure within the first structure, deriving reference blocks based on these candidates, and deriving prediction samples for the second structure.
- Determining initial motion vector and candidates for a second structure within a first structure in a video sequence.
- Deriving reference blocks of different sizes based on the motion vector candidates.
- Calculating cost values based on samples from the reference blocks.
- Selecting the best motion vector candidate using the cost values.
- Deriving prediction samples for the second structure using the best motion vector candidate.
Potential Applications: - Video encoding and decoding technologies - Video compression algorithms - Multimedia applications
Problems Solved: - Efficient encoding and decoding of video sequences - Improving video compression techniques - Enhancing multimedia data processing
Benefits: - Improved video quality - Reduced file sizes for video storage and transmission - Enhanced multimedia user experience
Commercial Applications: Title: Advanced Video Encoding and Decoding Technology for Multimedia Applications This technology can be used in various commercial applications such as: - Video streaming services - Video conferencing platforms - Media content delivery networks
Questions about the technology: 1. How does this technology improve video compression efficiency?
- This technology enhances video compression efficiency by optimizing motion vector selection and reference block derivation.
2. What impact does this technology have on multimedia data processing?
- This technology significantly improves multimedia data processing by enabling more accurate prediction samples for video sequences.
Original Abstract Submitted
methods and apparatus for encoding or decoding a first structure within a picture in a video sequence are provided. the method comprises, for a second structure within the first structure, determining an initial motion vector, mv, and mv candidates. the method comprises, for each of the mv candidates, using the mv candidate to derive first and second reference blocks, and a size of the first and second reference blocks may not be equal to a size of the second structure. the method comprises deriving a cost value based on samples from the first and second reference blocks. the method comprises using the cost values from the mv candidates to derive a best mv candidate and using the best mv candidate to derive prediction samples for the second structure.
