BR112021005167A2 - método e dispositivo para codificar/reconstruir pontos 3d - Google Patents

método e dispositivo para codificar/reconstruir pontos 3d Download PDF

Info

Publication number
BR112021005167A2
BR112021005167A2 BR112021005167-8A BR112021005167A BR112021005167A2 BR 112021005167 A2 BR112021005167 A2 BR 112021005167A2 BR 112021005167 A BR112021005167 A BR 112021005167A BR 112021005167 A2 BR112021005167 A2 BR 112021005167A2
Authority
BR
Brazil
Prior art keywords
pixel
geometric
image
depth value
attribute
Prior art date
Application number
BR112021005167-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Julien Ricard
Celine GUEDE
Joan Llach
Original Assignee
Interdigital Vc Holdings, Inc.
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 Interdigital Vc Holdings, Inc. filed Critical Interdigital Vc Holdings, Inc.
Publication of BR112021005167A2 publication Critical patent/BR112021005167A2/pt

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three-dimensional [3D] modelling for computer graphics
    • G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
    • G06T17/205—Re-meshing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • 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
    • H04N19/182—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 a pixel
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Geometry (AREA)
  • Computer Graphics (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Evolutionary Computation (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
BR112021005167-8A 2018-10-05 2019-10-04 método e dispositivo para codificar/reconstruir pontos 3d BR112021005167A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18306317.1 2018-10-05
EP18306317 2018-10-05
EP18306334 2018-10-09
EP18306334.6 2018-10-09
PCT/US2019/054616 WO2020072853A1 (en) 2018-10-05 2019-10-04 A method and device for encoding/reconstructing 3d points

Publications (1)

Publication Number Publication Date
BR112021005167A2 true BR112021005167A2 (pt) 2021-06-15

Family

ID=68234321

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021005167-8A BR112021005167A2 (pt) 2018-10-05 2019-10-04 método e dispositivo para codificar/reconstruir pontos 3d

Country Status (7)

Country Link
US (1) US20220005231A1 (https=)
EP (1) EP3861750A1 (https=)
JP (2) JP7615022B2 (https=)
KR (2) KR20260045009A (https=)
CN (1) CN112956204B (https=)
BR (1) BR112021005167A2 (https=)
WO (1) WO2020072853A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3936801A1 (en) * 2020-07-06 2022-01-12 LG Electronics Inc. Refrigerator

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100902353B1 (ko) * 2007-11-16 2009-06-12 광주과학기술원 깊이맵 추정장치와 방법, 이를 이용한 중간 영상 생성 방법및 다시점 비디오의 인코딩 방법
BRPI0911447A2 (pt) * 2008-04-25 2018-03-20 Thomson Licensing codificação de sinal de profundidade
US9189859B2 (en) * 2009-06-11 2015-11-17 Kabushiki Kaisha Toshiba 3D image generation
US8587583B2 (en) * 2011-01-31 2013-11-19 Microsoft Corporation Three-dimensional environment reconstruction
US20120236934A1 (en) * 2011-03-18 2012-09-20 Qualcomm Incorporated Signaling of multiview video plus depth content with a block-level 4-component structure
CN105393541B (zh) * 2013-07-19 2018-10-12 华为技术有限公司 使用基于深度的块分割编解码纹理块的方法和装置
CA2948903C (en) * 2014-05-13 2020-09-22 Pcp Vr Inc. Method, system and apparatus for generation and playback of virtual reality multimedia
US9307249B2 (en) * 2014-06-20 2016-04-05 Freescale Semiconductor, Inc. Processing device and method of compressing images
JP6407423B2 (ja) * 2014-06-26 2018-10-17 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 高効率映像符号化においてデプスベースのブロック分割を提供するための方法および装置
CN104378616B (zh) * 2014-09-03 2017-06-16 王元庆 一种平铺式多视图图像帧包装结构与构造方法
EP3565259A1 (en) * 2016-12-28 2019-11-06 Panasonic Intellectual Property Corporation of America Three-dimensional model distribution method, three-dimensional model receiving method, three-dimensional model distribution device, and three-dimensional model receiving device
US11514613B2 (en) * 2017-03-16 2022-11-29 Samsung Electronics Co., Ltd. Point cloud and mesh compression using image/video codecs
US10909725B2 (en) * 2017-09-18 2021-02-02 Apple Inc. Point cloud compression
US10783668B2 (en) * 2017-12-22 2020-09-22 Samsung Electronics Co., Ltd. Handling duplicate points in point cloud compression
SG11202009210SA (en) * 2018-04-11 2020-10-29 Interdigital Vc Holdings Inc A method for encoding depth values of a set of 3d points once orthogonally projected into at least one image region of a projection plane
US11095908B2 (en) * 2018-07-09 2021-08-17 Samsung Electronics Co., Ltd. Point cloud compression using interpolation

Also Published As

Publication number Publication date
JP7615022B2 (ja) 2025-01-16
WO2020072853A1 (en) 2020-04-09
KR20210069647A (ko) 2021-06-11
JP2022502892A (ja) 2022-01-11
CN112956204A (zh) 2021-06-11
EP3861750A1 (en) 2021-08-11
KR20260045009A (ko) 2026-04-02
KR102946242B1 (ko) 2026-04-01
US20220005231A1 (en) 2022-01-06
JP2025060922A (ja) 2025-04-10
CN112956204B (zh) 2025-02-11

Similar Documents

Publication Publication Date Title
JP7798992B2 (ja) 点群の欠損点をエンコードするおよび再構成するための方法およびデバイス
JP7630672B2 (ja) 点群のジオメトリを符号化／復号する方法及び装置
EP3777181B1 (en) A method and device for coding the geometry of a point cloud
JP7704531B2 (ja) ポイントクラウドの処理
JP2022527882A (ja) ポイントクラウドの処理
JP2022549431A (ja) 容積ビデオを符号化、送信、及び復号化するための方法及び装置
JP2025060922A (ja) ３ｄ点を符号化／再構築するための方法およびデバイス
KR20210031456A (ko) 포인트 클라우드의 포인트들의 텍스처를 인코딩/디코딩하기 위한 방법
RU2803766C2 (ru) Способ и устройство для кодирования/реконструкции атрибутов точек облака точек
RU2803595C2 (ru) Способ и устройство для кодирования/реконструкции 3d-точек
HK40130437A (en) A method and device for encoding the geometry of a point cloud