CN116097651A - 点云编解码方法、编码器、解码器以及计算机存储介质 - Google Patents
点云编解码方法、编码器、解码器以及计算机存储介质 Download PDFInfo
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- CN116097651A CN116097651A CN202080103910.6A CN202080103910A CN116097651A CN 116097651 A CN116097651 A CN 116097651A CN 202080103910 A CN202080103910 A CN 202080103910A CN 116097651 A CN116097651 A CN 116097651A
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
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Abstract
本申请实施例公开了一种点云编解码方法、编码器、解码器以及计算机存储介质，该方法包括：确定当前节点的子节点被占据数；根据所述子节点被占据数确定单一子节点的标识信息的取值，利用第一上下文模型对所述标识信息的取值进行熵编码，并写入码流；若所述标识信息的取值指示所述当前节点划分的子节点中仅包括一个被占据子节点，则确定所述被占据子节点的坐标信息，利用第二上下文模型对所述被占据子节点的坐标信息进行熵编码，并写入码流。
Description
PCT国内申请，说明书已公开。
Claims (66)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/131577 WO2022109885A1 (zh) | 2020-11-25 | 2020-11-25 | 点云编解码方法、编码器、解码器以及计算机存储介质 |
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| Publication Number | Publication Date |
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| CN116097651A true CN116097651A (zh) | 2023-05-09 |
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| CN202080103910.6A Pending CN116097651A (zh) | 2020-11-25 | 2020-11-25 | 点云编解码方法、编码器、解码器以及计算机存储介质 |
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| WO (1) | WO2022109885A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4213096A1 (en) * | 2018-01-18 | 2023-07-19 | BlackBerry Limited | Methods and devices for entropy coding point clouds |
| EP3745355A4 (en) * | 2018-01-26 | 2021-03-24 | Panasonic Intellectual Property Corporation of America | THREE-DIMENSIONAL DATA ENCODING PROCESS, THREE-DIMENSIONAL DATA DECODING PROCESS, THREE-DIMENSIONAL DATA ENCODING DEVICE AND TRIDIMENSIONAL DATA DECODING DEVICE |
| EP3816940A4 (en) * | 2018-06-27 | 2021-09-08 | Panasonic Intellectual Property Corporation of America | METHOD FOR CODING THREE-DIMENSIONAL DATA, METHOD FOR DECODING THREE-DIMENSIONAL DATA, DEVICE FOR CODING THREE-DIMENSIONAL DATA AND DEVICE FOR DECODING THREE-DIMENSIONAL DATA |
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- 2020-11-25 WO PCT/CN2020/131577 patent/WO2022109885A1/zh active Application Filing
- 2020-11-25 CN CN202080103910.6A patent/CN116097651A/zh active Pending
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| Publication number | Publication date |
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| WO2022109885A1 (zh) | 2022-06-02 |
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