18646732. MOTION COMPENSATION CONSIDERING OUT-OF-BOUNDARY CONDITIONS IN VIDEO CODING simplified abstract (BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.)

MOTION COMPENSATION CONSIDERING OUT-OF-BOUNDARY CONDITIONS IN VIDEO CODING

Organization Name

BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.

Inventor(s)

Yi-Wen Chen of San Diego CA (US)

Xiaoyu Xiu of San Diego CA (US)

Che-Wei Kuo of San Diego CA (US)

Hong-Jheng Jhu of San Diego CA (US)

Wei Chen of San Diego CA (US)

Ning Yan of San Diego CA (US)

Xianglin Wang of San Diego CA (US)

Bing Yu of Beijing (CN)

MOTION COMPENSATION CONSIDERING OUT-OF-BOUNDARY CONDITIONS IN VIDEO CODING - A simplified explanation of the abstract

This abstract first appeared for US patent application 18646732 titled 'MOTION COMPENSATION CONSIDERING OUT-OF-BOUNDARY CONDITIONS IN VIDEO CODING

Simplified Explanation: The patent application describes methods, apparatuses, and computer-readable storage mediums for video coding. Specifically, it details a process where a decoder derives predictor samples for a current coding block based on motion vectors associated with reference pictures.

• The decoder derives a first predictor sample using a first motion vector from the first reference picture.
• A second predictor sample is derived using a second motion vector from the second reference picture.
• A final predictor sample is obtained in the current coding block based on the first or second predictor sample and an out-of-boundary condition.

Key Features and Innovation:

• Video coding method for deriving predictor samples based on motion vectors from reference pictures.
• Utilization of motion compensation process to improve prediction accuracy.
• Handling of out-of-boundary conditions to enhance coding efficiency.

Potential Applications: This technology can be applied in various video coding systems, such as video streaming, video conferencing, and digital video recording.

Problems Solved:

• Improved prediction accuracy in video coding.
• Efficient handling of out-of-boundary conditions.
• Enhanced coding performance for better video quality.

Benefits:

• Higher video compression efficiency.
• Reduced bandwidth requirements for video transmission.
• Enhanced video quality and playback experience.

Commercial Applications: Potential commercial applications include video streaming services, video conferencing platforms, surveillance systems, and digital video recording devices.

Prior Art: Readers can explore prior art related to video coding, motion compensation, and prediction techniques in the field of video processing.

Frequently Updated Research: Stay informed about the latest advancements in video coding algorithms, motion estimation methods, and video compression technologies.

Questions about Video Coding: 1. How does motion compensation improve video coding efficiency? 2. What are the key challenges in handling out-of-boundary conditions in video coding?

Original Abstract Submitted

Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video coding. In one method, a decoder derives a first reference picture and a second reference picture for a current coding block; the decoder derives a first predictor sample based on a first motion vector associated with the first reference picture using a motion compensation process from the first reference picture; the decoder derives a second predictor sample based on a second motion vector associated with the second reference picture using the motion compensation process from the second reference picture; and the decoder obtains a final predictor sample in the current coding block based on at least one of the first predictor sample or the second predictor sample and an out-of-boundary (OOB) condition.