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Method for encoding/decoding texture of points of a point cloud

A codec and texture technology, applied in image coding, image data processing, instruments, etc., can solve problems such as reduced efficiency, poor quality, and low compression efficiency

Pending Publication Date: 2021-04-16
INTERDIGITAL VC HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In these cases, image-based point cloud compression techniques have either low compression efficiency (requiring many small projections, reducing the efficiency of 2D video compression) or poor quality (due to difficulty projecting the point cloud onto the surface)

Method used

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  • Method for encoding/decoding texture of points of a point cloud
  • Method for encoding/decoding texture of points of a point cloud
  • Method for encoding/decoding texture of points of a point cloud

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Embodiment Construction

[0031] The present embodiment will be described more fully hereinafter with reference to the accompanying drawings, examples of which are shown. This embodiment may, however, be embodied in many alternative forms and should not be construed as limited to the examples set forth herein. Thus, while the present embodiment is susceptible to various modifications and alternative forms, specific examples thereof are shown by way of example in the drawings, and will be described in detail herein. It should be understood, however, that there is no intent to limit the embodiments to the particular forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the embodiments as defined by the claims.

[0032]The terms used herein are for the purpose of describing specific examples only, and are not intended to limit the present embodiments. As used herein, the singular forms "a", "an" and "the" a...

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Abstract

At least one of the embodiment provides a method and device for generating and encoding in a bitstream an interpolation texture coding mode indicating that the bitstream contains color information data representative of a texture image and that texture interpolation has to be done on point of a reconstructed point cloud that are not colorized from said color information data.

Description

technical field [0001] The present embodiments generally relate to encoding and decoding 3D image data representing the geometry and color of a point cloud. Background technique [0002] This section is intended to introduce the reader to various aspects of technology, which may be related to various aspects of the present embodiments that are described and / or claimed below. It is believed that this discussion helps to provide the reader with background information to facilitate a better understanding of various aspects of the present embodiments. Accordingly, it should be understood that these statements are to be read in this light, and not as admissions of prior art. [0003] A point cloud is a collection of data points in a certain coordinate system. In a three-dimensional coordinate system (3D space), these points are usually intended to represent the outer surface of the 3D object. Each point of a point cloud is often defined by its position (X, Y and Z coordinates ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T9/00H04N19/00
CPCH04N19/00G06T9/00H04N19/597H04N19/186H04N19/103H04N19/184H04N19/59H04N19/20
Inventor J.里卡德C.格德J.拉赫
Owner INTERDIGITAL VC HLDG INC
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