CN104205173B - 用于估计场景中的不透明度水平的方法及相应的设备 - Google Patents
用于估计场景中的不透明度水平的方法及相应的设备 Download PDFInfo
- Publication number
- CN104205173B CN104205173B CN201380017135.2A CN201380017135A CN104205173B CN 104205173 B CN104205173 B CN 104205173B CN 201380017135 A CN201380017135 A CN 201380017135A CN 104205173 B CN104205173 B CN 104205173B
- Authority
- CN
- China
- Prior art keywords
- ray
- shadow surface
- point
- scene
- opacity
- 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.)
- Expired - Fee Related
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Generation (AREA)
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 |
|---|---|
| CN104205173A CN104205173A (zh) | 2014-12-10 |
| CN104205173B true CN104205173B (zh) | 2017-03-29 |
Family
ID=48014027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380017135.2A Expired - Fee Related CN104205173B (zh) | 2012-03-29 | 2013-03-28 | 用于估计场景中的不透明度水平的方法及相应的设备 |
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) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271588A (zh) * | 2007-10-26 | 2008-09-24 | 威盛电子股份有限公司 | 可重建几何阴影图方法 |
| CN101393651A (zh) * | 2008-11-07 | 2009-03-25 | 北京航空航天大学 | 一种视野驱动的实时阴影方法 |
| CN101542232A (zh) * | 2007-08-07 | 2009-09-23 | 松下电器产业株式会社 | 法线信息生成装置以及法线信息生成方法 |
| CN102365657A (zh) * | 2009-03-27 | 2012-02-29 | 汤姆森特许公司 | 在图像中生成阴影的方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20090079758A1 (en) * | 2007-09-25 | 2009-03-26 | Max-Planck-Gesellschaft Zur Forderung Per Wissenschaften E.V. | Method and device for generating shadow maps |
| US9171396B2 (en) * | 2010-06-30 | 2015-10-27 | Primal Space Systems Inc. | System and method of procedural visibility for interactive and broadcast streaming of entertainment, advertising, and tactical 3D graphical information using a visibility event codec |
| US8442306B2 (en) | 2010-08-13 | 2013-05-14 | Mitsubishi Electric Research Laboratories, Inc. | Volume-based coverage analysis for sensor placement in 3D environments |
-
2012
- 2012-03-29 FR FR1252869A patent/FR2988891A1/fr not_active Withdrawn
-
2013
- 2013-03-28 KR KR1020147027133A patent/KR20140144688A/ko not_active Withdrawn
- 2013-03-28 JP JP2015502370A patent/JP2015515059A/ja active Pending
- 2013-03-28 WO PCT/EP2013/056801 patent/WO2013144333A1/en not_active Ceased
- 2013-03-28 CA CA2866849A patent/CA2866849C/en active Active
- 2013-03-28 CN CN201380017135.2A patent/CN104205173B/zh not_active Expired - Fee Related
- 2013-03-28 US US14/386,799 patent/US9558586B2/en active Active
- 2013-03-28 EP EP13712813.8A patent/EP2831848B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542232A (zh) * | 2007-08-07 | 2009-09-23 | 松下电器产业株式会社 | 法线信息生成装置以及法线信息生成方法 |
| CN101271588A (zh) * | 2007-10-26 | 2008-09-24 | 威盛电子股份有限公司 | 可重建几何阴影图方法 |
| CN101393651A (zh) * | 2008-11-07 | 2009-03-25 | 北京航空航天大学 | 一种视野驱动的实时阴影方法 |
| CN102365657A (zh) * | 2009-03-27 | 2012-02-29 | 汤姆森特许公司 | 在图像中生成阴影的方法 |
Non-Patent Citations (1)
| Title |
|---|
| Convolution Shadow Maps;Thomas Annen et al.;《 Eurographics Symposium on Rendering》;20071231;第3.1节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2831848B1 (en) | 2017-02-01 |
| KR20140144688A (ko) | 2014-12-19 |
| CN104205173A (zh) | 2014-12-10 |
| 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 |
| CA2866849C (en) | 2020-04-14 |
| CA2866849A1 (en) | 2013-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180328 |