CN114424568A - 预测方法、编码器、解码器及计算机存储介质 - Google Patents
预测方法、编码器、解码器及计算机存储介质 Download PDFInfo
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Abstract
本申请实施例公开了一种预测方法、编码器、解码器及计算机存储介质，该方法应用于编码器，包括：确定待编码点所处的空间块；根据所述空间块，构造预测模型；其中，所述预测模型用于表征所述待编码点的第一颜色分量与第二颜色分量之间的预测关系；获取所述待编码点的第一颜色分量值和第二颜色分量值；利用所述预测模型以及所述第一颜色分量值，获得所述待编码点的第二颜色分量预测值；计算所述第二颜色分量值与所述第二颜色分量预测值之间的差值，将得到的差值作为所述待编码点的残差；基于所述待编码点的残差，进行细节层次LOD划分和提升变换。
Description
PCT国内申请，说明书已公开。
Claims (26)
- 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/CN2019/109695 WO2021062772A1 (zh) | 2019-09-30 | 2019-09-30 | 预测方法、编码器、解码器及计算机存储介质 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114424568A true CN114424568A (zh) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980100519.8A Pending CN114424568A (zh) | 2019-09-30 | 2019-09-30 | 预测方法、编码器、解码器及计算机存储介质 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11936909B2 (zh) |
| EP (1) | EP4040790A4 (zh) |
| CN (1) | CN114424568A (zh) |
| WO (1) | WO2021062772A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082152A1 (zh) * | 2022-10-18 | 2024-04-25 | Oppo广东移动通信有限公司 | 编解码方法及装置、编解码器、码流、设备、存储介质 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114207668A (zh) * | 2019-09-30 | 2022-03-18 | Oppo广东移动通信有限公司 | 划分方法、编码器、解码器以及计算机存储介质 |
| US11956470B2 (en) * | 2020-04-07 | 2024-04-09 | Qualcomm Incorporated | Predictor index signaling for predicting transform in geometry-based point cloud compression |
| CN115474035A (zh) * | 2021-06-11 | 2022-12-13 | 鹏城实验室 | 点云属性编码方法、装置、解码方法、装置及相关设备 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018191224A1 (en) * | 2017-04-11 | 2018-10-18 | Vid Scale, Inc. | 360-degree video coding using face continuities |
| EP3673651A1 (en) * | 2017-08-22 | 2020-07-01 | Panasonic Intellectual Property Corporation of America | Image encoder, image decoder, image encoding method, and image decoding method |
| US10861196B2 (en) * | 2017-09-14 | 2020-12-08 | Apple Inc. | Point cloud compression |
| GB201717012D0 (en) * | 2017-10-17 | 2017-11-29 | Nokia Technologies Oy | An apparatus a method and a computer program for coding volumetric video |
| CN108322742B (zh) | 2018-02-11 | 2019-08-16 | 北京大学深圳研究生院 | 一种基于帧内预测的点云属性压缩方法 |
| CN108632621B (zh) | 2018-05-09 | 2019-07-02 | 北京大学深圳研究生院 | 一种基于层次划分的点云属性压缩方法 |
| CN109257604B (zh) * | 2018-11-20 | 2020-11-27 | 山东大学 | 一种基于tmc3点云编码器的颜色属性编码方法 |
-
2019
- 2019-09-30 EP EP19947496.6A patent/EP4040790A4/en not_active Withdrawn
- 2019-09-30 WO PCT/CN2019/109695 patent/WO2021062772A1/zh unknown
- 2019-09-30 CN CN201980100519.8A patent/CN114424568A/zh active Pending
-
2022
- 2022-03-17 US US17/655,353 patent/US11936909B2/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082152A1 (zh) * | 2022-10-18 | 2024-04-25 | Oppo广东移动通信有限公司 | 编解码方法及装置、编解码器、码流、设备、存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4040790A1 (en) | 2022-08-10 |
| US11936909B2 (en) | 2024-03-19 |
| EP4040790A4 (en) | 2022-10-19 |
| WO2021062772A1 (zh) | 2021-04-08 |
| US20220210471A1 (en) | 2022-06-30 |
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