CN102446365B - 估计在虚拟环境的一点上接收的光量的方法 - Google Patents

估计在虚拟环境的一点上接收的光量的方法 Download PDF

Info

Publication number
CN102446365B
CN102446365B CN201110293777.8A CN201110293777A CN102446365B CN 102446365 B CN102446365 B CN 102446365B CN 201110293777 A CN201110293777 A CN 201110293777A CN 102446365 B CN102446365 B CN 102446365B
Authority
CN
China
Prior art keywords
point
points
group
virtual environment
light source
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.)
Active
Application number
CN201110293777.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN102446365A (zh
Inventor
P.高特龙
J-E.马维
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.)
THOMSON LICENSING CORP
Original Assignee
THOMSON LICENSING 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 THOMSON LICENSING CORP filed Critical THOMSON LICENSING CORP
Publication of CN102446365A publication Critical patent/CN102446365A/zh
Application granted granted Critical
Publication of CN102446365B publication Critical patent/CN102446365B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—Three-dimensional [3D] image rendering
    • G06T15/06—Ray-tracing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—Three-dimensional [3D] image rendering
    • G06T15/50—Lighting effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Generation (AREA)
  • Processing Or Creating Images (AREA)
CN201110293777.8A 2010-09-30 2011-09-29 估计在虚拟环境的一点上接收的光量的方法 Active CN102446365B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057903A FR2965652A1 (fr) 2010-09-30 2010-09-30 Procede d’estimation de la quantite de lumiere recue en un point d’un environnement virtuel
FR1057903 2010-09-30

Publications (2)

Publication Number Publication Date
CN102446365A CN102446365A (zh) 2012-05-09
CN102446365B true CN102446365B (zh) 2016-01-13

Family

ID=44169007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110293777.8A Active CN102446365B (zh) 2010-09-30 2011-09-29 估计在虚拟环境的一点上接收的光量的方法

Country Status (6)

Country Link
US (1) US9082230B2 (https=)
EP (1) EP2437219B1 (https=)
JP (1) JP5873672B2 (https=)
KR (1) KR20120034024A (https=)
CN (1) CN102446365B (https=)
FR (1) FR2965652A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013106145A (ja) * 2011-11-11 2013-05-30 Fuji Xerox Co Ltd 読取装置
US10713838B2 (en) * 2013-05-03 2020-07-14 Nvidia Corporation Image illumination rendering system and method
EP3057067B1 (en) * 2015-02-16 2017-08-23 Thomson Licensing Device and method for estimating a glossy part of radiation
KR102399686B1 (ko) * 2015-07-28 2022-05-19 삼성전자주식회사 3d 렌더링 방법 및 장치
JP6202118B2 (ja) * 2016-03-09 2017-09-27 日本電気株式会社 描画装置、描画方法およびプログラム
CN108961372B (zh) * 2018-03-27 2022-10-14 北京大学 一种基于统计模型检验的渐进式光子映射方法
EP3827415A1 (en) * 2018-07-26 2021-06-02 NVIDIA Corporation Global illumination using shared lighting contributions for interactions in path tracing
US11790594B2 (en) * 2019-08-18 2023-10-17 Nvidia Corporation Ray-tracing with irradiance caches
US12067667B2 (en) 2020-05-15 2024-08-20 Nvidia Corporation Using directional radiance for interactions in path tracing
KR20230092514A (ko) * 2021-12-17 2023-06-26 삼성전자주식회사 렌더링 방법 및 장치
US20240371073A1 (en) * 2023-05-02 2024-11-07 Nvidia Corporation Ray offsetting for numerical imprecision compensation in content generation systems and applications

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101246600A (zh) * 2008-03-03 2008-08-20 北京航空航天大学 用球面全景摄像机实时生成增强现实环境光照模型的方法
CN101354784A (zh) * 2008-08-21 2009-01-28 上海交通大学 基于图像的真实光源获取及重光照的方法
EP2024793A1 (de) * 2006-05-23 2009-02-18 SeeReal Technologies S.A. Verfahren und einrichtung zum rendern und generieren computer-generierter videohologramme

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0778267A (ja) 1993-07-09 1995-03-20 Silicon Graphics Inc 陰影を表示する方法及びコンピュータ制御表示システム
JP3554616B2 (ja) * 1994-12-13 2004-08-18 富士通株式会社 ラジオシティ法を用いる描画方法および装置
DE19606357A1 (de) * 1996-02-12 1997-08-14 Gmd Gmbh Bildverarbeitungsverfahren zur Darstellung von spiegelnden Objekten und zugehörige Vorrichtung
US6476805B1 (en) * 1999-12-23 2002-11-05 Microsoft Corporation Techniques for spatial displacement estimation and multi-resolution operations on light fields
US7262770B2 (en) * 2002-03-21 2007-08-28 Microsoft Corporation Graphics image rendering with radiance self-transfer for low-frequency lighting environments
EP1844445A1 (en) 2004-10-27 2007-10-17 Pacific Data Images Llc Volumetric shadows for computer animation
JP4974612B2 (ja) * 2006-05-18 2012-07-11 旭化成ホームズ株式会社 光環境解析用プログラム及び光環境解析装置
US7408550B2 (en) * 2006-07-24 2008-08-05 Bunnell Michael T System and methods for real-time rendering of deformable geometry with global illumination
US8436855B1 (en) * 2007-02-19 2013-05-07 Aechelon Technology, Inc. Efficient illumination of large three dimensional environments
US20090102843A1 (en) * 2007-10-17 2009-04-23 Microsoft Corporation Image-based proxy accumulation for realtime soft global illumination
US8432395B2 (en) * 2009-06-16 2013-04-30 Apple Inc. Method and apparatus for surface contour mapping
US8542231B2 (en) * 2009-06-29 2013-09-24 Crytek Gmbh Method, computer graphics image rendering system and computer-readable data storage medium for computing of indirect illumination in a computer graphics image of a scene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2024793A1 (de) * 2006-05-23 2009-02-18 SeeReal Technologies S.A. Verfahren und einrichtung zum rendern und generieren computer-generierter videohologramme
CN101246600A (zh) * 2008-03-03 2008-08-20 北京航空航天大学 用球面全景摄像机实时生成增强现实环境光照模型的方法
CN101354784A (zh) * 2008-08-21 2009-01-28 上海交通大学 基于图像的真实光源获取及重光照的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Interactive Global Illumination Using Implicit Visibility;Zhao Dong et al;《15th Pacific Conference on Computer Graphics and Applications》;20071231;77-86 *

Also Published As

Publication number Publication date
JP2012089121A (ja) 2012-05-10
US20130176313A1 (en) 2013-07-11
US9082230B2 (en) 2015-07-14
FR2965652A1 (fr) 2012-04-06
EP2437219A1 (en) 2012-04-04
CN102446365A (zh) 2012-05-09
EP2437219B1 (en) 2015-08-12
JP5873672B2 (ja) 2016-03-01
KR20120034024A (ko) 2012-04-09

Similar Documents

Publication Publication Date Title
CN102446365B (zh) 估计在虚拟环境的一点上接收的光量的方法
US9569885B2 (en) Technique for pre-computing ambient obscurance
US9558586B2 (en) Method for estimating the opacity level in a scene and corresponding device
EP2444940B1 (en) Method for estimation of occlusion in a virtual environment
CN103370731B (zh) 估计虚拟环境中的遮挡的方法
US9235663B2 (en) Method for computing the quantity of light received by a participating media, and corresponding device
CA2866589C (en) Method for representing a participating media in a scene and corresponding device
US8878847B2 (en) Method for estimation of an item of information representative of height
CN115120973B (zh) 模型渲染方法及装置、非易失性存储介质和终端设备
CN102402795B (zh) 估计均匀介质中光散射的方法
Iwasaki et al. Real-time rendering of point based water surfaces
Iwasaki et al. GPU-based rendering of point-sampled water surfaces
US20240176931A1 (en) Apparatus and method for real-time volumetric rendering of dynamic particles

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant