TRANSFORM-BASED VIDEO CODING METHOD, AND DEVICE THEREFOR

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TRANSFORM-BASED VIDEO CODING METHOD, AND DEVICE THEREFOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 18648306 titled 'TRANSFORM-BASED VIDEO CODING METHOD, AND DEVICE THEREFOR

The video decoding method described in the abstract involves deriving a modified transform coefficient by determining the applicability of an LFNST to the current block and parsing an LFNST index if applicable.

Determining if an LFNST can be applied based on the tree type and color format of the current block
Parsing an LFNST index if the LFNST can be applied
Deriving the modified transform coefficient using the LFNST index and an LFNST matrix

Potential Applications: - Video decoding algorithms - Multimedia processing systems - Image and video compression technologies

Problems Solved: - Enhancing video decoding efficiency - Improving image and video quality - Optimizing multimedia processing performance

Benefits: - Increased accuracy in transform coefficient derivation - Enhanced video decoding speed - Improved overall multimedia processing capabilities

Commercial Applications: - Integration into video streaming services - Implementation in video editing software - Adoption in multimedia playback devices

Prior Art: Prior research on video decoding methods and transform coefficient derivation techniques can be explored to understand the evolution of this technology.

Frequently Updated Research: Stay updated on advancements in video decoding algorithms and multimedia processing systems to incorporate the latest innovations in this field.

Questions about video decoding methods: 1. How does the modified transform coefficient impact video decoding efficiency? 2. What are the potential implications of integrating LFNST in multimedia processing systems?

Original Abstract Submitted

A video decoding method according to the present document comprises a step of deriving a modified transform coefficient, and the step of deriving the transform coefficient may comprise the steps of: determining whether an LFNST can be applied to the height and width of a current block on the basis of the tree type and color format of the current block; parsing an LFNST index if the LFNST can be applied; and deriving the modified transform coefficient on the basis of the LFNST index and an LFNST matrix.