CA2866849C - Method for estimating the opacity level in a scene and corresponding device - Google Patents

Method for estimating the opacity level in a scene and corresponding device Download PDF

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Publication number
CA2866849C
CA2866849C CA2866849A CA2866849A CA2866849C CA 2866849 C CA2866849 C CA 2866849C CA 2866849 A CA2866849 A CA 2866849A CA 2866849 A CA2866849 A CA 2866849A CA 2866849 C CA2866849 C CA 2866849C
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Canada
Prior art keywords
ray
scene
shadow
opacity
light source
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CA2866849A
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English (en)
French (fr)
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CA2866849A1 (en
Inventor
Pascal Gautron
Pascal LECOCQ
Jean-Eudes Marvie
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Thomson Licensing SAS
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Thomson Licensing SAS
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Publication of CA2866849A1 publication Critical patent/CA2866849A1/en
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • G06T15/60—Shadow generation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/04—Texture mapping
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/06—Ray-tracing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2215/00—Indexing scheme for image rendering
    • G06T2215/12—Shadow map, environment map

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  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Generation (AREA)
CA2866849A 2012-03-29 2013-03-28 Method for estimating the opacity level in a scene and corresponding device Active CA2866849C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1252869A FR2988891A1 (fr) 2012-03-29 2012-03-29 Procede d'estimation de niveau d'opacite dans une scene et dispositif correspondant
FR1252869 2012-03-29
PCT/EP2013/056801 WO2013144333A1 (en) 2012-03-29 2013-03-28 Method for estimating the opacity level in a scene and corresponding device

Publications (2)

Publication Number Publication Date
CA2866849A1 CA2866849A1 (en) 2013-10-03
CA2866849C true CA2866849C (en) 2020-04-14

Family

ID=48014027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2866849A Active CA2866849C (en) 2012-03-29 2013-03-28 Method for estimating the opacity level in a scene and corresponding device

Country Status (8)

Country Link
US (1) US9558586B2 (enExample)
EP (1) EP2831848B1 (enExample)
JP (1) JP2015515059A (enExample)
KR (1) KR20140144688A (enExample)
CN (1) CN104205173B (enExample)
CA (1) CA2866849C (enExample)
FR (1) FR2988891A1 (enExample)
WO (1) WO2013144333A1 (enExample)

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GB2525636B (en) * 2014-04-30 2020-08-19 Geomerics Ltd Graphics processing systems
KR20160071774A (ko) * 2014-12-12 2016-06-22 삼성전자주식회사 영상 처리를 위한 영상 처리 장치, 방법 및 기록 매체
EP3062293A1 (en) * 2015-02-25 2016-08-31 Samsung Electronics Co., Ltd. Shadow rendering apparatus and control method thereof
DE102016103891A1 (de) * 2015-03-03 2016-09-08 Imagination Technologies Limited Systeme und Verfahren zur weichen Schattierung in 3D-Rendering
US10614614B2 (en) 2015-09-29 2020-04-07 Adshir Ltd. Path tracing system employing distributed accelerating structures
GB2543562B (en) * 2015-10-23 2020-02-05 Geomerics Ltd Graphics processing
US10614612B2 (en) 2018-06-09 2020-04-07 Adshir Ltd. Fast path traced reflections for augmented reality
US12008704B2 (en) 2016-01-28 2024-06-11 Snap Inc. System for photo-realistic reflections in augmented reality
GB2551388B (en) 2016-06-17 2021-01-27 Geomerics Ltd Graphics processing systems
GB2555797B (en) 2016-11-09 2020-04-08 Geomerics Ltd Graphics processing to provide shadows on specular lighting
JP7086330B2 (ja) * 2017-10-06 2022-06-20 アドバンスド スキャナーズ，インコーポレイテッド 物体の三次元モデルを形成するための１つ又は複数の光度エッジの生成
US10699468B2 (en) * 2018-06-09 2020-06-30 Adshir Ltd. Method for non-planar specular reflections in hybrid ray tracing
US11017581B1 (en) 2020-01-04 2021-05-25 Adshir Ltd. Method for constructing and traversing accelerating structures
CN111476877B (zh) * 2020-04-16 2024-01-26 网易（杭州）网络有限公司 一种阴影渲染的方法及装置、电子设备、存储介质
CN114627233B (zh) * 2020-12-08 2025-04-25 上海米哈游天命科技有限公司 确定透明度的方法、装置、电子设备及存储介质
CN116228954A (zh) * 2023-02-28 2023-06-06 网易（杭州）网络有限公司 剪影处理方法、装置、存储介质及电子装置

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IL136430A0 (en) 2000-05-29 2001-06-14 Zviaguina Natalia Ray tracing method and system for determining visible parts of surfaces of three-dimensional objects and their parameters of shading accounting for light and shadow volumes
US6903741B2 (en) 2001-12-13 2005-06-07 Crytek Gmbh Method, computer program product and system for rendering soft shadows in a frame representing a 3D-scene
JP2003346176A (ja) * 2002-05-24 2003-12-05 Telecommunication Advancement Organization Of Japan ラジオシティのメッシュ分割方法及びその装置
JP4079249B2 (ja) * 2002-06-03 2008-04-23 任天堂株式会社 ゲーム装置及びゲームプログラム
US7248261B1 (en) 2003-12-15 2007-07-24 Nvidia Corporation Method and apparatus to accelerate rendering of shadow effects for computer-generated images
US7924281B2 (en) 2005-03-09 2011-04-12 Ati Technologies Ulc System and method for determining illumination of a pixel by shadow planes
US7755626B2 (en) 2006-05-03 2010-07-13 Sony Computer Entertainment Inc. Cone-culled soft shadows
DE112007002991B4 (de) 2006-12-08 2011-09-08 Mental Images Gmbh Computergraphikschattenvolumen unter Verwendung von hierarchischem Okklusions-Culling
US7969438B2 (en) 2007-01-23 2011-06-28 Pacific Data Images Llc Soft shadows for cinematic lighting for computer graphics
US7982734B2 (en) 2007-08-01 2011-07-19 Adobe Systems Incorporated Spatially-varying convolutions for rendering soft shadow effects
US7970237B2 (en) * 2007-08-01 2011-06-28 Adobe Systems Incorporated Spatially-varying convolutions for rendering glossy reflection effects
RU2009107141A (ru) * 2007-08-07 2010-09-10 Панасоник Корпорэйшн (Jp) Устройство формирования информации нормальных векторов и способ формирования информации нормальных векторов
US20090079758A1 (en) * 2007-09-25 2009-03-26 Max-Planck-Gesellschaft Zur Forderung Per Wissenschaften E.V. Method and device for generating shadow maps
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Also Published As

Publication number Publication date
EP2831848B1 (en) 2017-02-01
KR20140144688A (ko) 2014-12-19
CN104205173A (zh) 2014-12-10
CN104205173B (zh) 2017-03-29
EP2831848A1 (en) 2015-02-04
FR2988891A1 (fr) 2013-10-04
WO2013144333A1 (en) 2013-10-03
US20150042655A1 (en) 2015-02-12
US9558586B2 (en) 2017-01-31
JP2015515059A (ja) 2015-05-21
CA2866849A1 (en) 2013-10-03

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