Lg electronics inc. (20240244261). METHOD FOR PERFORMING TRANSFORM INDEX CODING ON BASIS OF INTRA PREDICTION MODE, AND DEVICE THEREFOR simplified abstract

From WikiPatents
Jump to navigation Jump to search

METHOD FOR PERFORMING TRANSFORM INDEX CODING ON BASIS OF INTRA PREDICTION MODE, AND DEVICE THEREFOR

Organization Name

lg electronics inc.

Inventor(s)

Seunghwan Kim of Seoul (KR)

Medhi Salehifar of Seoul (KR)

Moonmo Koo of Seoul (KR)

Jaehyun Lim of Seoul (KR)

METHOD FOR PERFORMING TRANSFORM INDEX CODING ON BASIS OF INTRA PREDICTION MODE, AND DEVICE THEREFOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240244261 titled 'METHOD FOR PERFORMING TRANSFORM INDEX CODING ON BASIS OF INTRA PREDICTION MODE, AND DEVICE THEREFOR

The present disclosure describes a method for decoding a video signal, involving checking for a transform skip on a current block, obtaining a transform index indicating transform types applied to the block, and performing an inverse primary transform based on the transform types indicated by the index.

  • Checking for the application of a transform skip on a current block in a video signal.
  • Acquiring a transform index indicating transform types applied to the block in horizontal and vertical directions.
  • Performing an inverse primary transform on the current block using the transform types indicated by the transform index.
  • Determining transform types based on an intra prediction mode of the current block.

Potential Applications: - Video decoding technology in multimedia devices. - Video streaming services for improved compression and quality. - Video editing software for efficient processing of video content.

Problems Solved: - Enhances video decoding efficiency. - Improves video quality by applying appropriate transform types. - Optimizes video compression techniques.

Benefits: - Faster video decoding process. - Enhanced video quality with accurate transform types. - Efficient use of video compression methods.

Commercial Applications: Title: Advanced Video Decoding Technology for Multimedia Devices Description: This technology can be utilized in smartphones, smart TVs, and other multimedia devices to enhance video decoding efficiency and improve overall user experience. It can also be integrated into video editing software for professionals seeking high-quality results.

Questions about Video Decoding Technology: 1. How does this method improve video decoding efficiency compared to traditional techniques? - This method enhances efficiency by accurately determining and applying transform types based on the transform index, leading to faster decoding processes. 2. What impact does this technology have on video quality in terms of compression and clarity? - This technology improves video quality by selecting appropriate transform types based on the intra prediction mode of the current block, resulting in enhanced compression and clarity.


Original Abstract Submitted

the present disclosure, in a method of decoding a video signal, provides a method including checking whether a transform skip is applied to a current block; acquiring a transform index indicating transform types applied to a horizontal direction and a vertical direction of the current block from among a plurality of predefined transform types from the video signal when the transform skip is not applied to the current block; and performing an inverse primary transform on the current block using the transform types indicated by the transform index, wherein the transform types applied to the horizontal direction and the vertical direction of the current block are determined from among transform types defined according to an intra prediction mode of the current block based on the transform index.