CN101692710B - 伪随机数发生器管理方法装置以及胶片颗粒模拟方法装置 - Google Patents
伪随机数发生器管理方法装置以及胶片颗粒模拟方法装置 Download PDFInfo
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- CN101692710B CN101692710B CN200910205190XA CN200910205190A CN101692710B CN 101692710 B CN101692710 B CN 101692710B CN 200910205190X A CN200910205190X A CN 200910205190XA CN 200910205190 A CN200910205190 A CN 200910205190A CN 101692710 B CN101692710 B CN 101692710B
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Abstract
Description
标识符 | 胶片颗粒模型 |
0 | f(x,y,c)=d*n |
1 | f(x,y,c)=s(x,y,c)+k*s(x,y,c)+d*n |
2 | f(x,y,c)=a*f(x-1,y-1,c)+b*f(x,y,c-1)+d*n |
3 | f(x,y,c)=a*r(x,y,c)-b*s(x,y,c)+d*n |
... | |
N | f(x,y,c)=a*[d(x-1,y,c)+f(x,y-1,c)]+b*f(x,y,c-1)+d*n |
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62775604P | 2004-11-12 | 2004-11-12 | |
US60/627,756 | 2004-11-12 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2005800388497A Division CN101057503A (zh) | 2004-11-12 | 2005-10-27 | 用于视频重放系统的正常播放和特技模式播放的胶片颗粒模拟 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101692710A CN101692710A (zh) | 2010-04-07 |
CN101692710B true CN101692710B (zh) | 2012-10-31 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CNA2005800388497A Pending CN101057503A (zh) | 2004-11-12 | 2005-10-27 | 用于视频重放系统的正常播放和特技模式播放的胶片颗粒模拟 |
CN200910205190XA Expired - Fee Related CN101692710B (zh) | 2004-11-12 | 2005-10-27 | 伪随机数发生器管理方法装置以及胶片颗粒模拟方法装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CNA2005800388497A Pending CN101057503A (zh) | 2004-11-12 | 2005-10-27 | 用于视频重放系统的正常播放和特技模式播放的胶片颗粒模拟 |
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US (1) | US8447124B2 (zh) |
EP (2) | EP1813118B1 (zh) |
JP (1) | JP4960877B2 (zh) |
KR (1) | KR101254611B1 (zh) |
CN (2) | CN101057503A (zh) |
BR (1) | BRPI0517793A (zh) |
CA (2) | CA2803789C (zh) |
MX (1) | MX2007005653A (zh) |
MY (2) | MY156757A (zh) |
WO (1) | WO2006055199A2 (zh) |
Families Citing this family (10)
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BRPI0518174B1 (pt) * | 2004-11-16 | 2017-11-14 | Thomson Licensing | Exit initialization in bits for generators of pseudo-random numbers used in a video system |
CA2654574A1 (en) * | 2006-06-08 | 2007-12-13 | Thomson Licensing | Scene change detection for video |
US7861150B2 (en) * | 2006-11-07 | 2010-12-28 | Microsoft Corporation | Timing aspects of media content rendering |
CN100454981C (zh) * | 2007-11-19 | 2009-01-21 | 新奥特(北京)视频技术有限公司 | 一种工程快照文件的生成方法 |
US20120057854A1 (en) * | 2010-09-07 | 2012-03-08 | Ching-Lung Chang | K rate fast-forwarding and backwarding mechanism for digital videos |
JP6082304B2 (ja) * | 2012-04-17 | 2017-02-15 | キヤノン株式会社 | 画像処理装置及びその処理方法 |
US20170272778A9 (en) * | 2014-01-06 | 2017-09-21 | Samsung Electronics Co., Ltd. | Image encoding and decoding methods for preserving film grain noise, and image encoding and decoding apparatuses for preserving film grain noise |
CN114946184A (zh) * | 2019-12-19 | 2022-08-26 | 瑞典爱立信有限公司 | 胶片颗粒过程 |
US11765372B1 (en) * | 2021-06-21 | 2023-09-19 | Amazon Technologies, Inc. | Efficient coefficient film grain synthesis for codecs without film grain synthesis |
CN115278265A (zh) * | 2022-06-23 | 2022-11-01 | 安谋科技(中国)有限公司 | 参数处理方法、装置、介质及电子设备 |
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WO2006055199A3 (en) | 2006-12-07 |
KR101254611B1 (ko) | 2013-04-15 |
CA2803789A1 (en) | 2006-05-26 |
EP1813118A2 (en) | 2007-08-01 |
BRPI0517793A (pt) | 2008-10-21 |
CA2587095A1 (en) | 2006-05-26 |
CN101692710A (zh) | 2010-04-07 |
CA2803789C (en) | 2014-04-15 |
MY177204A (en) | 2020-09-09 |
CA2587095C (en) | 2015-01-20 |
EP2202982A3 (en) | 2012-10-10 |
WO2006055199A2 (en) | 2006-05-26 |
EP2202982A2 (en) | 2010-06-30 |
MX2007005653A (es) | 2007-06-05 |
JP4960877B2 (ja) | 2012-06-27 |
US20060104608A1 (en) | 2006-05-18 |
EP1813118B1 (en) | 2019-12-04 |
CN101057503A (zh) | 2007-10-17 |
MY156757A (en) | 2016-03-31 |
KR20070083875A (ko) | 2007-08-24 |
US8447124B2 (en) | 2013-05-21 |
JP2008520166A (ja) | 2008-06-12 |
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