18518829. METHOD FOR ENCODING/DECODING VIDEO SIGNAL, AND APPARATUS THEREFOR simplified abstract (LG Electronics Inc.)

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METHOD FOR ENCODING/DECODING VIDEO SIGNAL, AND APPARATUS THEREFOR

Organization Name

LG Electronics Inc.

Inventor(s)

Moonmo Koo of Seoul (KR)

Mehdi Salehifar of Seoul (KR)

Seunghwan Kim of Seoul (KR)

Jaehyun Lim of Seoul (KR)

METHOD FOR ENCODING/DECODING VIDEO SIGNAL, AND APPARATUS THEREFOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 18518829 titled 'METHOD FOR ENCODING/DECODING VIDEO SIGNAL, AND APPARATUS THEREFOR

Simplified Explanation

The patent application describes a method and apparatus for processing a video signal, specifically focusing on decoding the signal using secondary transform sets and matrices.

  • Determining a secondary transform set based on intra-prediction modes of a current block.
  • Obtaining a syntax element indicating a secondary transform matrix applied to the current block.
  • Deriving a secondary inverse-transformed block using the specified secondary transform matrix.
  • Deriving a residual block of the current block using a primary transform matrix.

Key Features and Innovation

  • Method for decoding video signals using secondary transform sets.
  • Utilization of secondary transform matrices for processing video blocks.
  • Efficient processing of video signals by deriving secondary inverse-transformed blocks.

Potential Applications

This technology can be applied in video encoding and decoding systems, multimedia applications, and video streaming services.

Problems Solved

  • Enhances the efficiency of video signal processing.
  • Improves the quality of decoded video signals.
  • Enables better compression and transmission of video data.

Benefits

  • Improved video decoding accuracy.
  • Enhanced video compression capabilities.
  • Increased efficiency in video processing.

Commercial Applications

Title: Advanced Video Decoding Technology for Multimedia Applications This technology can be utilized in video streaming services, video conferencing systems, and multimedia content creation tools. It can also benefit industries such as entertainment, broadcasting, and telecommunications.

Prior Art

Readers can explore prior art related to video signal processing, video encoding, and transform matrices in the field of multimedia technology.

Frequently Updated Research

Researchers are constantly exploring new methods and algorithms for video signal processing, including advancements in transform matrices and decoding techniques.

Questions about Video Signal Processing

How does this technology improve video decoding efficiency?

This technology enhances video decoding efficiency by utilizing secondary transform sets and matrices to process video signals more effectively.

What are the potential applications of this video signal processing technology?

The technology can be applied in various industries such as video streaming, multimedia content creation, and telecommunications for improved video processing and compression.


Original Abstract Submitted

Embodiments of the disclosure provide a method and apparatus for processing a video signal. Particularly, a method for decoding a video signal according to an embodiment of the disclosure may include: determining, among predefined secondary transform sets based on intra-prediction modes of a current block, a secondary transform set applied to the current block; obtaining a first syntax element indicating a secondary transform matrix applied to the current block in the determined secondary transform set; deriving a secondary inverse-transformed block by performing a secondary inverse transform on a left top region of the current block by using the secondary transform matrix specified by the first syntax element; and deriving a residual block of the current block by performing a primary inverse transform on the secondary inverse-transformed block using a primary transform matrix of the current block.