JP4960877B2 - 映像再生システムの通常再生及びトリックモード再生に関するフィルムグレインシミュレーション - Google Patents
映像再生システムの通常再生及びトリックモード再生に関するフィルムグレインシミュレーション Download PDFInfo
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- JP4960877B2 JP4960877B2 JP2007541216A JP2007541216A JP4960877B2 JP 4960877 B2 JP4960877 B2 JP 4960877B2 JP 2007541216 A JP2007541216 A JP 2007541216A JP 2007541216 A JP2007541216 A JP 2007541216A JP 4960877 B2 JP4960877 B2 JP 4960877B2
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Images
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- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
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- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
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- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
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- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
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- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Signal Processing For Recording (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
本願は、2004年11月12日に出願された米国公開出願整理番号60/627,756号の利益を請求する。この出願は、その全体を本願において参照することによって援用される。
Claims (9)
- フィルムグレイン特性捕捉拡張情報メッセージに含まれるフィルムグレイン捕捉情報に従って、一連のデコードされたビデオピクチャに関してデコード順にフィルムグレインシミュレーションを実行するステップを有する、映像におけるフィルムグレインをシミュレーションする方法。
- 前記フィルムグレインシミュレーションにおいて使用される疑似乱数発生器(PRNG)の少なくとも1つのデフォルト値をDVD再生機構リセット状態においてリセットするステップ
を更に有する請求項1に記載の方法。 - 前記DVD再生機構リセット状態は、ディスク挿入又は電源オフを含む、
請求項2に記載の方法。 - 疑似乱数発生器(PRNG)が、前記フィルムグレインシミュレーションを実行するステップにおいて使用され、
前記フィルムグレインシミュレーションを実行するステップは、
通常再生されている前記一連のデコードされたビデオピクチャにおける所与フレームの開始時に疑似乱数発生器シードを得るステップと、
一時停止されている前記一連のデコードされたビデオピクチャにおける前記所与フレームに前記得られた疑似乱数発生器シードを適用するステップと
を有する、請求項1に記載の方法。 - フィルムグレイン特性捕捉拡張情報メッセージに含まれるフィルムグレイン捕捉情報に従って、一連のデコードされたビデオピクチャに関してデコード順にフィルムグレインシミュレーションを実行する手段を有する、映像におけるフィルムグレインをシミュレーションする装置。
- 前記フィルムグレインシミュレーションを実行する手段は、前記フィルムグレインシミュレーションにおいて使用される疑似乱数発生器(PRNG)の少なくとも1つのデフォルト値をDVD再生機構リセット状態においてリセットする手段を有する、
請求項5に記載の装置。 - 前記DVD再生機構リセット状態は、ディスク挿入又は電源オフを含む、
請求項6に記載の装置。 - 前記フィルムグレインシミュレーションを実行する手段は、疑似乱数発生器(PRNG)を用いて前記フィルムグレインシミュレーションを実行するよう構成され、
前記フィルムグレインシミュレーションを実行する手段は、
通常再生されている前記一連のデコードされたビデオピクチャにおける所与フレームの開始時に疑似乱数発生器シードを得る手段と、
一時停止されている前記一連のデコードされたビデオピクチャにおける前記所与フレームに前記得られた疑似乱数発生器シードを適用する手段と
を有する、請求項5に記載の装置。 - 前記フィルムグレインシミュレーションを実行する手段は、エンコードされた映像ストリームをデコードして前記デコードされたビデオピクチャを生成するビデオデコーダを有する受信器に含まれるフィルムグレインシミュレータを有する、
請求項5乃至8のいずれか一項に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008520166A JP2008520166A (ja) | 2008-06-12 |
JP4960877B2 true JP4960877B2 (ja) | 2012-06-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007541216A Active JP4960877B2 (ja) | 2004-11-12 | 2005-10-27 | 映像再生システムの通常再生及びトリックモード再生に関するフィルムグレインシミュレーション |
Country Status (10)
Country | Link |
---|---|
US (1) | US8447124B2 (ja) |
EP (2) | EP1813118B1 (ja) |
JP (1) | JP4960877B2 (ja) |
KR (1) | KR101254611B1 (ja) |
CN (2) | CN101057503A (ja) |
BR (1) | BRPI0517793A (ja) |
CA (2) | CA2587095C (ja) |
MX (1) | MX2007005653A (ja) |
MY (2) | MY177204A (ja) |
WO (1) | WO2006055199A2 (ja) |
Families Citing this family (9)
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Publication number | Publication date |
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EP1813118B1 (en) | 2019-12-04 |
KR101254611B1 (ko) | 2013-04-15 |
KR20070083875A (ko) | 2007-08-24 |
MY177204A (en) | 2020-09-09 |
WO2006055199A2 (en) | 2006-05-26 |
JP2008520166A (ja) | 2008-06-12 |
CN101057503A (zh) | 2007-10-17 |
CA2803789A1 (en) | 2006-05-26 |
BRPI0517793A (pt) | 2008-10-21 |
US20060104608A1 (en) | 2006-05-18 |
CN101692710A (zh) | 2010-04-07 |
CN101692710B (zh) | 2012-10-31 |
CA2803789C (en) | 2014-04-15 |
EP2202982A3 (en) | 2012-10-10 |
CA2587095C (en) | 2015-01-20 |
MX2007005653A (es) | 2007-06-05 |
US8447124B2 (en) | 2013-05-21 |
WO2006055199A3 (en) | 2006-12-07 |
MY156757A (en) | 2016-03-31 |
EP2202982A2 (en) | 2010-06-30 |
EP1813118A2 (en) | 2007-08-01 |
CA2587095A1 (en) | 2006-05-26 |
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