Huawei technologies co., ltd. (20240187634). METHOD AND APPARATUS FOR AFFINE BASED INTER PREDICTION OF CHROMA SUBBLOCKS simplified abstract
Contents
- 1 METHOD AND APPARATUS FOR AFFINE BASED INTER PREDICTION OF CHROMA SUBBLOCKS
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 METHOD AND APPARATUS FOR AFFINE BASED INTER PREDICTION OF CHROMA SUBBLOCKS - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.10 What are the limitations of the proposed method in terms of computational complexity?
- 1.11 How does this technology compare to existing methods for deriving motion vectors in video coding?
- 1.12 Original Abstract Submitted
METHOD AND APPARATUS FOR AFFINE BASED INTER PREDICTION OF CHROMA SUBBLOCKS
Organization Name
Inventor(s)
Vasily Alexeevich Rufitskiy of Moscow (RU)
Timofey Mikhailovich Solovyev of Munich (DE)
Alexey Konstantinovich Filippov of Moscow (RU)
Jianle Chen of San Diego CA (US)
METHOD AND APPARATUS FOR AFFINE BASED INTER PREDICTION OF CHROMA SUBBLOCKS - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240187634 titled 'METHOD AND APPARATUS FOR AFFINE BASED INTER PREDICTION OF CHROMA SUBBLOCKS
Simplified Explanation
The present invention relates to a method and apparatus for deriving motion vectors for affine-based inter prediction of chroma subblocks based on chroma format.
- Determining chroma scaling factors in horizontal and vertical directions based on chroma format information.
- Determining a set of luma subblocks of the luma block based on values of the chroma scaling factors.
- Determining a motion vector for a chroma subblock of the chroma block based on motion vectors of one or more luma subblocks in the set of luma subblocks.
Potential Applications
This technology could be applied in video coding, image processing, and multimedia applications.
Problems Solved
This technology solves the problem of efficiently deriving motion vectors for chroma subblocks in video coding.
Benefits
The benefits of this technology include improved video compression efficiency and enhanced video quality.
Potential Commercial Applications
Potential commercial applications of this technology include video streaming services, video conferencing systems, and digital television broadcasting.
Possible Prior Art
One possible prior art related to this technology is the use of affine-based inter prediction in video coding standards such as H.264/AVC and H.265/HEVC.
What are the limitations of the proposed method in terms of computational complexity?
The computational complexity of the proposed method may increase with the size of the video frames and the number of subblocks to be processed. Further research may be needed to optimize the method for real-time applications.
How does this technology compare to existing methods for deriving motion vectors in video coding?
The proposed method offers a more efficient way to derive motion vectors for chroma subblocks based on chroma format information, potentially leading to better compression performance and video quality compared to traditional methods.
Original Abstract Submitted
the present invention relates to method and apparatus for motion vector derivation for affine based inter prediction of chroma subblocks based on chroma format. the method includes: determining chroma scaling factors in horizontal and vertical directions based on chroma format information, wherein the chroma format information indicates a chroma format of a current picture which the current image block belongs to; determining a set (s) of luma subblocks of the luma block based on values of the chroma scaling factors; determining a motion vector for a chroma subblock of the chroma block based on motion vectors of one or more luma subblocks in the set (s) of luma subblocks.
