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Intra prediction device and method

A technology of intra-frame prediction mode and sample prediction, applied in image communication, digital video signal modification, electrical components, etc., can solve the problems of increasing transmission cost and storage cost, reduce the amount of transmitted data, simplify signaling, and enhance subjective / Objective visual quality effect

Pending Publication Date: 2022-05-27
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As image / video data has high resolution and high quality, the amount of information or bits to be transmitted increases compared to existing image / video data, therefore, using a medium such as an existing wired / wireless broadband line or an existing Having a storage medium to send image data or using an existing storage medium to store image / video data increases transmission costs and storage costs

Method used

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  • Intra prediction device and method
  • Intra prediction device and method

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Embodiment Construction

[0039] This document may be modified in various forms, and specific embodiments thereof are described and illustrated in the accompanying drawings. However, the embodiments are not intended to limit this document. The terms used in the following description are used to describe specific embodiments only, and are not intended to limit this document. The expression in the singular includes the expression in the plural as long as it can be clearly understood differently. Terms such as "comprising" and "having" are intended to indicate the presence of features, numbers, steps, operations, elements, components, or combinations thereof used in the following description, it being understood that the presence or addition of one or more different features is not precluded , number, steps, operations, elements, components, or the possibility of combinations thereof.

[0040] In addition, each configuration in the drawings described in this document is shown independently for ease of d...

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Abstract

According to one embodiment of the present document, in a matrix-based intra prediction (MIP) process, MIP processing may be performed irrespective of requirements related to a form of a block, and MIP performance efficiency may be improved.

Description

technical field [0001] This document relates to intra prediction apparatus and methods. Background technique [0002] Recently, there has been an increasing demand for high-resolution, high-quality images / videos such as 4K or 8K or higher Ultra High Definition (UHD) images / videos in various fields. As image / video data has high resolution and high quality, the amount of information or bits to be transmitted increases with respect to existing image / video data, therefore, using a medium such as an existing wired / wireless broadband line or existing Having storage media to send image data or using existing storage media to store image / video data increases transmission and storage costs. [0003] In addition, there is growing interest and demand for content such as virtual reality (VR) and artificial reality (AR) and immersive media such as holograms, and broadcasting of images / videos with different characteristics from real-world images such as game images also growing. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/593H04N19/159H04N19/11H04N19/122H04N19/132H04N19/18
CPCH04N19/593H04N19/159H04N19/11H04N19/122H04N19/132H04N19/18H04N19/70H04N19/176H04N19/105H04N19/59
Inventor 崔璋元金昇焕许镇崔情娥柳先美
Owner LG ELECTRONICS INC
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