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author:

王适 (王适.) [1] | 郑明魁 (郑明魁.) [2] (Scholars:郑明魁) | 陈建 (陈建.) [3] (Scholars:陈建) | 王泽峰 (王泽峰.) [4] | 邱鑫 (邱鑫.) [5]

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PKU

Abstract:

针对视频点云压缩(video-based point cloud compression, V-PCC)把点云序列分解成2D的非规则图像块(patch)进行编码,破坏点云连续性,不利于后续帧间预测的问题,设计一种三维配准帧间预测结合V-PCC帧间预测的改进算法.首先,为了提高点云配准的有效性,设计一种基于运动一致性的二叉树的粗分割和进一步八叉树细分割的算法,使得每一块点云在配准时具有一致性运动和准确的对应性.进一步地,为了保证三维帧间配准预测的可靠性,对分割后的块进行三维配准帧间预测并计算误差.对于误差小于一定阈值的块直接熵编码块索引和运动信息;对于误差大于阈值的块,则融合并使用V-PCC的帧...

Keyword:

V-PCC 帧间预测 点云分割 点云压缩

Community:

  • [ 1 ] 福州大学物理与信息工程学院

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2022

Issue: 02

Volume: 50

Page: 161-168

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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