CN114009014A - 颜色分量预测方法、编码器、解码器及计算机存储介质 - Google Patents

颜色分量预测方法、编码器、解码器及计算机存储介质 Download PDF

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Publication number
CN114009014A
CN114009014A CN201980097731.3A CN201980097731A CN114009014A CN 114009014 A CN114009014 A CN 114009014A CN 201980097731 A CN201980097731 A CN 201980097731A CN 114009014 A CN114009014 A CN 114009014A
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point
color component
value
prediction
model parameter
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Inventor
张伟
杨付正
万帅
马彦卓
霍俊彦
杨丽慧
代娜
张苏军
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

本申请实施例公开了一种颜色分量预测方法、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，以及所述编码点的第一颜色分量值与第二颜色分量值；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；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，对所述待编码点的残差进行区域自适应分级变换RAHT变换。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201980097731.3A 2019-09-30 2019-09-30 颜色分量预测方法、编码器、解码器及计算机存储介质 Pending CN114009014A (zh)

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PCT/CN2019/109694 WO2021062771A1 (zh) 2019-09-30 2019-09-30 颜色分量预测方法、编码器、解码器及计算机存储介质

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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
CN115474046A (zh) * 2021-06-11 2022-12-13 维沃移动通信有限公司 点云属性信息编码方法、解码方法、装置及相关设备

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