KR101254611B1 - 비디오 재생 시스템에 대한 정상 플레이와 트릭 모드플레이에 대한 필름 그레인 시뮬레이션 - Google Patents
비디오 재생 시스템에 대한 정상 플레이와 트릭 모드플레이에 대한 필름 그레인 시뮬레이션 Download PDFInfo
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Abstract
Description
Claims (42)
- 비디오에서 필름 그레인을 시뮬레이션하는 방법으로서,디코더로부터 디코드된 비디오 화상과 모델링기로부터 필름 그레인 모델을 수신하는 단계; 및디코드 순서로 디코드된 비디오 화상의 시퀀스에 대해 필름 그레인의 시뮬레이션을 수행하는 단계(214)를 포함하는, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 1항에 있어서, 상기 수행 단계는 필름 그레인 보충 정보에 응답하여 수행되는, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 1항에 있어서, 상기 수행 단계는 필름 그레인 특징 보충 향상 정보(SEI: Supplemental Enhancement Information) 메시지에 포함된 정보에 응답하여 수행되는, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 1항에 있어서, 필름 그레인의 시뮬레이션은 비트 정확도(bit accurate)인, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 1항에 있어서, 필름 그레인의 시뮬레이션은 플레이 모드에 관계없이 일정한, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 5항에 있어서, 플레이 모드는 트릭 플레이(trick play)인, 비디오에서 필 름 그레인을 시뮬레이션하는 방법.
- 제 1항에 있어서, 상기 비디오에서 필름 그레인을 시뮬레이션하는 방법은 재생 메커니즘 리셋 상태에서 필름 그레인의 시뮬레이션에 사용되는 의사 난수 생성기(PRNG)의 적어도 하나의 디폴트 값(default value)을 리셋하는 단계(224)를 더 포함하는, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
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- 제 7항에 있어서, 필름 그레인의 시뮬레이션은 플레이 모드에 관계없이 일정한, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 9항에 있어서, 플레이 모드는 트릭 플레이인, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 7항에 있어서, 상기 재생 메커니즘 리셋 상태는 디스크의 삽입을 포함하는, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 1항에 있어서, 의사 난수 생성기(PRNG)는 필름 그레인의 시뮬레이션을 수행하는 단계(214)를 수행하기 위해 사용되고, 상기 필름 그레인의 시뮬레이션을 수행하는 단계(214)는,디코드된 비디오 화상에서 주어진 프레임의 시작시 의사 난수 생성기(PRNG) 시드(seed)를 얻는 단계(234); 및일시 중단시 상기 디코드된 비디오 화상에서 동일한 주어진 프레임에 동일한 PRNG 시드를 적용하는 단계(236)를포함하는, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 12항에 있어서, 필름 그레인의 시뮬레이션은 플레이 모드에 관계없이 일정한, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
- 제 13항에 있어서, 플레이 모드는 트릭 플레이인, 비디오에서 필름 그레인을 시뮬레이션하는 방법.
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- 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치로서,디코더로부터 디코드된 비디오 화상과 모델링기로부터 필름 그레인 모델을 수신하는 수단 및디코드 순서로 디코드된 비디오 화상의 시퀀스에 대해 필름 그레인의 시뮬레이션을 수행하기 위한 수단(154)을 포함하는, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 29항에 있어서, 상기 필름 그레인의 시뮬레이션은 필름 그레인 보충 정보에 응답하여 수행되는, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 29항에 있어서, 상기 필름 그레인의 시뮬레이션은 필름 그레인 특징 보충 향상 정보(SEI) 메시지에 포함된 정보에 응답하여 수행되는, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 29항에 있어서, 필름 그레인의 시뮬레이션은 비트 정확도인, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 29항에 있어서, 필름 그레인의 시뮬레이션은 플레이 모드에 관계없이 일정한, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 33항에 있어서, 상기 플레이 모드는 트릭 플레이 모드인, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 29항에 있어서, 상기 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치는 DVD 재생 메커니즘 리셋 상태에서 필름 그레인의 시뮬레이션에 사용되는 의사 난수 발생기(PRNG)의 적어도 하나의 디폴트 값을 리셋하기 위한 수단(154)을 더 포함하는, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
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- 제 35항에 있어서, 필름 그레인의 시뮬레이션은 플레이 모드에 관계없이 일정한, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 37항에 있어서, 상기 플레이 모드는 트릭 플레이 모드인, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 35항에 있어서, 상기 DVD 재생 메커니즘 리셋 상태는 디스크의 삽입을 포함하는, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 29항에 있어서, 상기 필름 그레인의 시뮬레이션을 수행하는 수단은 의사 난수 발생기(PRNG)를 사용하여 필름 그레인의 시뮬레이션을 수행하도록 구성되고, 상기 필름 그레인의 시뮬레이션을 수행하는 수단은,디코드된 프레임의 시퀀스에서 주어진 프레임의 시작시 의사 난수 발생기(PRNG) 시드를 얻기 위한 수단(154); 및일시 중단시 상기 시퀀스에서 동일한 주어진 프레임에 대해 동일한 의사 난수 발생기(PRNG) 시드를 적용하기 위한 수단(154)을포함하는, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 40항에 있어서, 필름 그레인의 시뮬레이션은 플레이 모드에 관계없이 일정한, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
- 제 41항에 있어서, 상기 플레이 모드는 트릭 플레이 모드인, 비디오에서 필름 그레인을 시뮬레이션하기 위한 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US62775604P | 2004-11-12 | 2004-11-12 | |
US60/627,756 | 2004-11-12 | ||
PCT/US2005/038607 WO2006055199A2 (en) | 2004-11-12 | 2005-10-27 | Film grain simulation for normal play and trick mode play for video playback systems |
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KR20070083875A KR20070083875A (ko) | 2007-08-24 |
KR101254611B1 true KR101254611B1 (ko) | 2013-04-15 |
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KR100297154B1 (ko) | 1997-01-16 | 2001-08-07 | 가네꼬 히사시 | 의사난수발생회로및이를채용한데이터통신시스템 |
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JP2008520166A (ja) | 2008-06-12 |
EP1813118A2 (en) | 2007-08-01 |
MY156757A (en) | 2016-03-31 |
WO2006055199A3 (en) | 2006-12-07 |
BRPI0517793A (pt) | 2008-10-21 |
KR20070083875A (ko) | 2007-08-24 |
WO2006055199A2 (en) | 2006-05-26 |
EP1813118B1 (en) | 2019-12-04 |
CN101692710B (zh) | 2012-10-31 |
CN101057503A (zh) | 2007-10-17 |
EP2202982A2 (en) | 2010-06-30 |
CA2803789A1 (en) | 2006-05-26 |
US8447124B2 (en) | 2013-05-21 |
US20060104608A1 (en) | 2006-05-18 |
CA2587095A1 (en) | 2006-05-26 |
MX2007005653A (es) | 2007-06-05 |
CA2803789C (en) | 2014-04-15 |
MY177204A (en) | 2020-09-09 |
EP2202982A3 (en) | 2012-10-10 |
CN101692710A (zh) | 2010-04-07 |
CA2587095C (en) | 2015-01-20 |
JP4960877B2 (ja) | 2012-06-27 |
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