BR112021018435A2 - Método e aparelho de codificação de nuvem de pontos, método e aparelho de decodificação de nuvem de pontos, e meio de armazenamento - Google Patents
Método e aparelho de codificação de nuvem de pontos, método e aparelho de decodificação de nuvem de pontos, e meio de armazenamentoInfo
- Publication number
- BR112021018435A2 BR112021018435A2 BR112021018435A BR112021018435A BR112021018435A2 BR 112021018435 A2 BR112021018435 A2 BR 112021018435A2 BR 112021018435 A BR112021018435 A BR 112021018435A BR 112021018435 A BR112021018435 A BR 112021018435A BR 112021018435 A2 BR112021018435 A2 BR 112021018435A2
- Authority
- BR
- Brazil
- Prior art keywords
- point cloud
- storage medium
- encoded
- different
- decoding method
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 7
Classifications
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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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/537—Motion estimation other than block-based
- H04N19/54—Motion estimation other than block-based using feature points or meshes
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
método e aparelho de codificação de nuvem de pontos, método e aparelho de decodificação de nuvem de pontos, e meio de armazenamento. este pedido divulga um método e aparelho de codificação de nuvem de pontos, um método e aparelho de decodificação de nuvem de pontos, e um meio de armazenamento, e pertence a um campo de processamento de dados. o método inclui: primeiro obter informação auxiliar de um remendo a-ser-codificado e, em seguida, codificar a informação auxiliar e um primeiro índice do remendo a-ser-codificado em um fluxo de bits. valores do primeiro índice podem ser um primeiro valor, um segundo valor, e um terceiro valor. valores diferentes indicam tipos diferentes de remendos. portanto, tipos diferentes de remendos podem ser distinguidos usando o primeiro índice. para tipos de diferentes remendos, conteúdo incluído na informação auxiliar codificada em um fluxo de bits pode ser diferente. isso pode simplificar um formato de informação codificada no fluxo de bits, reduzir sobrecarga de bits do fluxo de bits, e melhorar a eficiência de codificação.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910210181 | 2019-03-19 | ||
CN201910214557.8A CN111726616B (zh) | 2019-03-19 | 2019-03-20 | 点云编码方法、点云解码方法、装置及存储介质 |
PCT/CN2020/080140 WO2020187283A1 (zh) | 2019-03-19 | 2020-03-19 | 点云编码方法、点云解码方法、装置及存储介质 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021018435A2 true BR112021018435A2 (pt) | 2021-11-23 |
Family
ID=72563379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021018435A BR112021018435A2 (pt) | 2019-03-19 | 2020-03-19 | Método e aparelho de codificação de nuvem de pontos, método e aparelho de decodificação de nuvem de pontos, e meio de armazenamento |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220007037A1 (pt) |
EP (1) | EP3934250A4 (pt) |
JP (1) | JP7453992B2 (pt) |
KR (1) | KR20210134401A (pt) |
CN (2) | CN118042135A (pt) |
BR (1) | BR112021018435A2 (pt) |
SG (1) | SG11202110220RA (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111866484B (zh) * | 2019-04-30 | 2023-06-20 | 华为技术有限公司 | 点云编码方法、点云解码方法、装置及存储介质 |
WO2023153758A1 (ko) * | 2022-02-08 | 2023-08-17 | 엘지전자 주식회사 | 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 수신 방법 및 포인트 클라우드 데이터 수신 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104811722B (zh) * | 2015-04-16 | 2019-05-07 | 华为技术有限公司 | 一种视频数据的编解码方法及装置 |
CN107517385B (zh) * | 2016-06-16 | 2020-02-21 | 华为技术有限公司 | 一种视频图像的编解码方法和装置 |
CN110892453B (zh) * | 2017-07-10 | 2024-02-13 | 三星电子株式会社 | 使用图像/视频编解码器的点云和网格压缩 |
CN108833927B (zh) * | 2018-05-03 | 2019-08-16 | 北京大学深圳研究生院 | 一种基于删除量化矩阵中0元素的点云属性压缩方法 |
US11095900B2 (en) * | 2018-12-19 | 2021-08-17 | Sony Group Corporation | Point cloud coding structure |
US11190803B2 (en) * | 2019-01-18 | 2021-11-30 | Sony Group Corporation | Point cloud coding using homography transform |
-
2019
- 2019-03-20 CN CN202410182434.1A patent/CN118042135A/zh active Pending
- 2019-03-20 CN CN201910214557.8A patent/CN111726616B/zh active Active
-
2020
- 2020-03-19 EP EP20774250.3A patent/EP3934250A4/en active Pending
- 2020-03-19 SG SG11202110220RA patent/SG11202110220RA/en unknown
- 2020-03-19 JP JP2021556407A patent/JP7453992B2/ja active Active
- 2020-03-19 BR BR112021018435A patent/BR112021018435A2/pt unknown
- 2020-03-19 KR KR1020217033214A patent/KR20210134401A/ko unknown
-
2021
- 2021-09-17 US US17/477,812 patent/US20220007037A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN111726616A (zh) | 2020-09-29 |
CN111726616B (zh) | 2024-03-01 |
SG11202110220RA (en) | 2021-10-28 |
JP2022526289A (ja) | 2022-05-24 |
EP3934250A4 (en) | 2022-04-27 |
EP3934250A1 (en) | 2022-01-05 |
KR20210134401A (ko) | 2021-11-09 |
JP7453992B2 (ja) | 2024-03-21 |
US20220007037A1 (en) | 2022-01-06 |
CN118042135A (zh) | 2024-05-14 |
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