CN118475959A - 解码装置、编码装置、解码程序、编码程序、解码方法及编码方法 - Google Patents

解码装置、编码装置、解码程序、编码程序、解码方法及编码方法 Download PDF

Info

Publication number
CN118475959A
CN118475959A CN202180105275.XA CN202180105275A CN118475959A CN 118475959 A CN118475959 A CN 118475959A CN 202180105275 A CN202180105275 A CN 202180105275A CN 118475959 A CN118475959 A CN 118475959A
Authority
CN
China
Prior art keywords
level
point
unit
decoding
attribute
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202180105275.XA
Other languages
English (en)
Chinese (zh)
Inventor
杉本志织
坂东幸浩
北原正树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of CN118475959A publication Critical patent/CN118475959A/zh
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/001Model-based coding, e.g. wire frame
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/40Tree coding, e.g. quadtree, octree

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180105275.XA 2021-12-27 2021-12-27 解码装置、编码装置、解码程序、编码程序、解码方法及编码方法 Pending CN118475959A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/048663 WO2023127052A1 (ja) 2021-12-27 2021-12-27 復号装置、符号化装置、復号プログラム、符号化プログラム、復号方法および符号化方法

Publications (1)

Publication Number Publication Date
CN118475959A true CN118475959A (zh) 2024-08-09

Family

ID=86998356

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180105275.XA Pending CN118475959A (zh) 2021-12-27 2021-12-27 解码装置、编码装置、解码程序、编码程序、解码方法及编码方法

Country Status (5)

Country Link
US (1) US20250069272A1 (https=)
EP (1) EP4459555A4 (https=)
JP (2) JP7783510B2 (https=)
CN (1) CN118475959A (https=)
WO (1) WO2023127052A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6826368B2 (ja) * 2016-01-14 2021-02-03 キヤノン株式会社 符号化装置及びその制御方法
KR102875263B1 (ko) * 2018-10-02 2025-10-23 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 삼차원 데이터 부호화 방법, 삼차원 데이터 복호 방법, 삼차원 데이터 부호화 장치, 및 삼차원 데이터 복호 장치
WO2020213735A1 (ja) * 2019-04-19 2020-10-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
KR20250143123A (ko) * 2020-01-07 2025-09-30 소니그룹주식회사 부호화 장치 및 방법
WO2021256559A1 (ja) * 2020-06-19 2021-12-23 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置

Also Published As

Publication number Publication date
EP4459555A4 (en) 2025-11-05
JPWO2023127052A1 (https=) 2023-07-06
EP4459555A1 (en) 2024-11-06
JP2026020320A (ja) 2026-02-06
JP7783510B2 (ja) 2025-12-10
US20250069272A1 (en) 2025-02-27
WO2023127052A1 (ja) 2023-07-06

Similar Documents

Publication Publication Date Title
CN113256746B (zh) 点云编解码的方法、装置和存储介质
US12175716B2 (en) Predictive coding for point cloud compression
CN113424547B (zh) 点云属性编解码的方法和装置
JP2022516232A (ja) フレーム間点群属性コーディングのための方法、装置及びコンピュータ・プログラム
US20210097722A1 (en) Predicting attributes for point cloud compression according to a space filling curve
CN114981842B (zh) 点云的树内几何量化
WO2021067867A1 (en) Trimming search space for nearest neighbor determinations in point cloud compression
CN113557552A (zh) 信息处理装置和方法
CN113259678B (zh) 对点云信息进行编解码的方法和装置
WO2021000334A1 (zh) 一种数据编码、数据解码方法、设备及存储介质
JP7430792B2 (ja) 属性情報の予測方法、エンコーダ、デコーダ及び記憶媒体
WO2022039815A1 (en) Hash-based attribute prediction for point cloud coding
CN114556147B (zh) 点云处理方法、计算机系统及计算机可读介质
JP7786631B2 (ja) 情報処理装置および方法
CN114096998A (zh) 点云编解码中占用编码的上下文建模
WO2022257528A1 (zh) 点云属性的预测方法、装置及相关设备
CN117692662A (zh) 一种基于双八叉树结构的点云编码及解码方法
CN118475959A (zh) 解码装置、编码装置、解码程序、编码程序、解码方法及编码方法
KR20200088186A (ko) 계층적 입체 격자를 이용한 공간 표현 방법, 공간 표현 디바이스 및 공간정보 생성 장치
WO2026016236A1 (zh) 点云数据编解码方法、装置、计算机设备及可读存储介质
CN116670716A (zh) 信息处理装置和方法
KR20210042569A (ko) 공간 정보 구성 방법 및 장치
EP3079081A1 (en) Method and device for coding the coordinates of a set of points
CN119631408A (zh) 用于编码和解码3d点云的方法、编码器及解码器
HK40051204B (zh) 对点云信息进行编解码的方法和装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Country or region after: Japan

Address after: Tokyo, Japan

Applicant after: Entiti Corp.

Address before: Tokyo, Japan

Applicant before: NIPPON TELEGRAPH AND TELEPHONE Corp.

Country or region before: Japan