18592849. EARLY TERMINATION FOR OPTICAL FLOW REFINEMENT simplified abstract (Huawei Technologies Co., Ltd.)
EARLY TERMINATION FOR OPTICAL FLOW REFINEMENT
Organization Name
Inventor(s)
Sriram Sethuraman of Bangalore (IN)
Sagar Kotecha of Mangal Karyalaya (IN)
EARLY TERMINATION FOR OPTICAL FLOW REFINEMENT - A simplified explanation of the abstract
This abstract first appeared for US patent application 18592849 titled 'EARLY TERMINATION FOR OPTICAL FLOW REFINEMENT
Simplified Explanation: The patent application describes a method for video coding that involves obtaining initial motion vectors, calculating matching costs, and determining whether to perform an optical flow refinement process based on preset conditions.
Key Features and Innovation:
- Obtaining initial motion vectors for a current block
- Calculating matching costs for sample values in the block
- Determining whether to perform an optical flow refinement process based on preset conditions
- Performing optical flow refinement process to obtain final inter predictions
Potential Applications: This technology can be used in video coding and decoding devices to improve the accuracy of motion estimation and prediction processes.
Problems Solved: This technology addresses the challenge of optimizing motion estimation and prediction in video coding to enhance video quality and compression efficiency.
Benefits:
- Improved accuracy in motion estimation
- Enhanced video quality
- Increased compression efficiency
Commercial Applications: Optical flow refinement processes can be utilized in various industries such as video streaming services, surveillance systems, and video editing software to enhance video quality and reduce bandwidth usage.
Prior Art: Readers can explore prior art related to optical flow refinement processes in video coding and motion estimation techniques to understand the evolution of this technology.
Frequently Updated Research: Researchers are continually exploring advancements in optical flow refinement processes to further improve video coding efficiency and quality.
Questions about Video Coding: 1. How does optical flow refinement improve video coding accuracy? 2. What are the potential applications of optical flow refinement processes in video coding?
Original Abstract Submitted
It is provided a method of video coding implemented in a decoding device or an encoding device, the method comprising: obtaining initial motion vectors for a current block; obtaining first predictions for a sample value in the current block based on the initial motion vectors; calculating a first matching cost according to the first predictions; determining whether an optical flow refinement process should be performed or not, according to at least one preset condition, the at least one preset condition comprising a condition of whether the calculated first matching cost is equal to or larger than a threshold value; and performing an optical flow refinement process for obtaining a final inter prediction for the sample value in the current block, when it is determined that the optical flow refinement process should be performed.