CN117178294A - 使用具有一般拓扑结构的图进行基于图集采样的网格压缩 - Google Patents

使用具有一般拓扑结构的图进行基于图集采样的网格压缩 Download PDF

Info

Publication number
CN117178294A
CN117178294A CN202380010879.5A CN202380010879A CN117178294A CN 117178294 A CN117178294 A CN 117178294A CN 202380010879 A CN202380010879 A CN 202380010879A CN 117178294 A CN117178294 A CN 117178294A
Authority
CN
China
Prior art keywords
map
boundary
mesh
bitstream
manifold
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
CN202380010879.5A
Other languages
English (en)
Chinese (zh)
Inventor
黄超
许晓中
张翔
田军
刘杉
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of CN117178294A publication Critical patent/CN117178294A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/172—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 an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CN202380010879.5A 2022-03-31 2023-03-15 使用具有一般拓扑结构的图进行基于图集采样的网格压缩 Pending CN117178294A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263326182P 2022-03-31 2022-03-31
US63/326,182 2022-03-31
US18/121,334 2023-03-14
US18/121,334 US12406402B2 (en) 2022-03-31 2023-03-14 Atlas sampling based mesh compression with charts of general topology
PCT/US2023/015304 WO2023192027A1 (en) 2022-03-31 2023-03-15 Atlas sampling based mesh compression with charts of general topology

Publications (1)

Publication Number Publication Date
CN117178294A true CN117178294A (zh) 2023-12-05

Family

ID=88193222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380010879.5A Pending CN117178294A (zh) 2022-03-31 2023-03-15 使用具有一般拓扑结构的图进行基于图集采样的网格压缩

Country Status (6)

Country Link
US (1) US12406402B2 (https=)
EP (1) EP4500473A4 (https=)
JP (1) JP2024539001A (https=)
KR (1) KR102892836B1 (https=)
CN (1) CN117178294A (https=)
WO (1) WO2023192027A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025150399A1 (ja) * 2024-01-10 2025-07-17 ソニーグループ株式会社 情報処理装置および方法、並びに、ビットストリーム
US20260087740A1 (en) * 2024-09-24 2026-03-26 Roblox Corporation Merging coplanar convex polygons in constructive solid geometry (csg)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577310B1 (en) 1998-12-01 2003-06-10 Samsung Electronics Co., Ltd. 3D mesh coding/decoding method and apparatus for error resilience and incremental rendering
US7283140B2 (en) * 2005-06-21 2007-10-16 Microsoft Corporation Texture montage
US8610721B2 (en) * 2007-05-18 2013-12-17 Sony Corporation Wave zones rendering technique
US8760450B2 (en) * 2007-10-30 2014-06-24 Advanced Micro Devices, Inc. Real-time mesh simplification using the graphics processing unit
WO2017142953A1 (en) 2016-02-16 2017-08-24 Board Of Regents, University Of Texas System Mechanisms for constructing spline surfaces to provide inter-surface continuity
US10460503B2 (en) * 2017-03-01 2019-10-29 Sony Corporation Texturing of a three-dimensional (3D) model by UV map in-painting
US10685430B2 (en) * 2017-05-10 2020-06-16 Babylon VR Inc. System and methods for generating an optimized 3D model
US10431000B2 (en) * 2017-07-18 2019-10-01 Sony Corporation Robust mesh tracking and fusion by using part-based key frames and priori model
US10242484B1 (en) * 2017-10-17 2019-03-26 8i Limited UV mapping and compression
CN109064542B (zh) * 2018-06-06 2019-11-19 贝壳找房(北京)科技有限公司 三维模型表面空洞填补方法和装置
US10984581B2 (en) * 2019-07-17 2021-04-20 Pixar UV transfer
KR102406845B1 (ko) 2020-04-13 2022-06-10 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

Also Published As

Publication number Publication date
EP4500473A4 (en) 2025-07-30
JP2024539001A (ja) 2024-10-28
US12406402B2 (en) 2025-09-02
KR102892836B1 (ko) 2025-12-02
WO2023192027A9 (en) 2024-02-22
US20230316585A1 (en) 2023-10-05
EP4500473A1 (en) 2025-02-05
KR20240066268A (ko) 2024-05-14
WO2023192027A1 (en) 2023-10-05

Similar Documents

Publication Publication Date Title
US12067753B2 (en) 2D UV atlas sampling based methods for dynamic mesh compression
CN117396923A (zh) 利用用于动态网格压缩的边界信息的三角形化方法
US12406402B2 (en) Atlas sampling based mesh compression with charts of general topology
JP2024539001A5 (https=)
US12444091B2 (en) Texture coordinate prediction in mesh compression
US20240135594A1 (en) Adaptive geometry filtering for mesh compression
US12430805B2 (en) Coding of boundary UV2XYZ index for mesh compression
US12470731B2 (en) Predictive coding of boundary UV information for mesh compression
US12524918B2 (en) Chart based mesh compression
US12417603B2 (en) Parallel approach to dynamic mesh alignment
US12581115B2 (en) Grouping of duplicate vertices in position compression
US20250124604A1 (en) Valence of mesh vertices
US12548202B2 (en) Texture coordinate compression using chart partition
US20230306647A1 (en) Geometry filtering for mesh compression
US20240212218A1 (en) Multiple sub-meshes encoding
CN118575200A (zh) 用于网格压缩的自适应几何滤波

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