Lg electronics inc. (20240340437). MOTION VECTOR PREDICTION-BASED IMAGE/VIDEO CODING METHOD AND DEVICE simplified abstract
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MOTION VECTOR PREDICTION-BASED IMAGE/VIDEO CODING METHOD AND DEVICE
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MOTION VECTOR PREDICTION-BASED IMAGE/VIDEO CODING METHOD AND DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240340437 titled 'MOTION VECTOR PREDICTION-BASED IMAGE/VIDEO CODING METHOD AND DEVICE
The image decoding method described in the patent application involves decoding a current block based on image information, deriving an mvp candidate list for the current block from peripheral blocks and an inter prediction mode, and deriving motion information for the current block from the mvp candidate list.
- Decoding a current block based on image information
- Deriving an mvp candidate list for the current block from peripheral blocks and an inter prediction mode
- Deriving motion information for the current block from the mvp candidate list
- Peripheral blocks include left bottom corner, left, right top corner, top, and left top corner blocks
- Motion information includes l0 and/or l1 motion vectors
- l0 motion vector derived from l0 motion vector predictor and difference
- l1 motion vector derived from l1 motion vector predictor and difference
Potential Applications: - Video compression and encoding technologies - Multimedia streaming services - Video surveillance systems
Problems Solved: - Efficient image decoding process - Improved motion estimation accuracy - Enhanced video quality in compressed formats
Benefits: - Higher compression rates - Reduced bandwidth usage - Enhanced video playback experience
Commercial Applications: Title: Advanced Video Compression Technology for Enhanced Streaming Services This technology can be utilized in video streaming platforms, surveillance systems, and video conferencing applications to improve video quality and reduce data consumption.
Prior Art: Researchers and developers in the field of video compression and encoding have explored various methods to enhance motion estimation and image decoding processes. One potential area to explore for prior art is the development of motion vector prediction algorithms in video coding standards.
Frequently Updated Research: Ongoing research in video compression technologies focuses on optimizing motion estimation algorithms, improving compression efficiency, and enhancing video quality in real-time applications.
Questions about Image Decoding Method: 1. How does the use of peripheral blocks improve motion estimation accuracy in the decoding process? 2. What are the key advantages of deriving motion vectors from an mvp candidate list in image decoding?
Original Abstract Submitted
an image decoding method according to the present document comprises: decoding a current block on the basis of image information, wherein an mvp candidate list for the current block is derived on the basis of an inter prediction mode, which is derived on the basis of image information, and peripheral blocks of the current block; and deriving motion information of the current block on the basis of the mvp candidate list, wherein the peripheral blocks include a left bottom corner peripheral block, a left peripheral block, a right top corner peripheral block, a top peripheral block, and a left top corner peripheral block of the current block, the motion information includes an l0 motion vector for l0 prediction and/or an l1 motion vector for l1 prediction, the l0 motion vector is derived on the basis of an l0 motion vector predictor and an l0 motion vector difference, and the l1 motion vector is derived on the basis of an l1 motion vector predictor and an l1 motion vector difference.
