Decoding apparatus, encoding apparatus, and image data transmitting apparatus

By utilizing image-level or slice-level tool indication information for image decoding and encoding in an image coding system, the problem of high transmission and storage costs for high-resolution and high-quality images is solved, achieving more efficient image compression.

CN122420549APending Publication Date: 2026-07-17LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LG ELECTRONICS INC
Filing Date
2020-12-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

With the increasing demand for high-resolution and high-quality images, existing technologies face the problem of increased information size when transmitting and storing high-resolution and high-quality images, leading to higher transmission and storage costs.

Method used

By providing image decoding and encoding methods in the image coding system, and using image-level or slice-level tools to indicate information to determine the storage location of information, and then performing decoding and encoding, image compression efficiency can be improved.

Benefits of technology

It improves image/video compression efficiency and reduces transmission and storage costs.

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Abstract

本公开提供了解码设备、编码设备和图像数据发送设备。根据本公开的一种解码装置执行的视频解码方法包括以下步骤：获取指示用于当前块的一个或更多个工具可以在图片级还是切片级应用的指示信息；基于所述指示信息，确定与所述一个或更多个工具相关的信息是存在于图片头还是切片头中；基于所述确定结果从所述图片头或所述切片头解析与所述一个或更多个工具相关的信息；以及基于与所述一个或更多个工具相关的信息对所述当前块进行解码。
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