JP5214246B2 - フィルム粒度シミュレーションのためのブロック平均決定方法 - Google Patents
フィルム粒度シミュレーションのためのブロック平均決定方法 Download PDFInfo
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- JP5214246B2 JP5214246B2 JP2007537019A JP2007537019A JP5214246B2 JP 5214246 B2 JP5214246 B2 JP 5214246B2 JP 2007537019 A JP2007537019 A JP 2007537019A JP 2007537019 A JP2007537019 A JP 2007537019A JP 5214246 B2 JP5214246 B2 JP 5214246B2
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- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
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- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/04—Colour television systems using pulse code modulation
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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- G06T2207/20204—Removing film grain; Adding simulated film grain
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- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
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- Analysing Materials By The Use Of Radiation (AREA)
- Picture Signal Circuits (AREA)
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- Measuring And Recording Apparatus For Diagnosis (AREA)
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Description
この出願は、2004年10月18日に出願した米国仮特許出願第60/619,632号の優先権を主張するものである。この文献はここにその全体を参照援用する。
Claims (8)
- フィルム粒子シミュレーションプロセスにおける方法であって、
ディスプレイパイプラインにおいて前記復号画像のブロック平均を決定する段階と、
前記復号画像と組み合わせる少なくとも1つのフィルム粒子パターンを選択する段階であって、前記選択は前記決定したブロック平均に少なくとも部分的に基づく段階と、
を有する方法。 - 前記ブロック平均は一度に1ブロックずつ計算される、請求項1に記載の方法。
- 前記ブロック平均は1行中のすべてのブロックについて並行して計算される、請求項1に記載の方法。
- 前記フィルム粒子シミュレーションプロセスのために前記ブロック平均の計算に使用したピクセル値を再利用する段階と、
表示プロセスのために前記フィルム粒子シミュレーションプロセスに使用したピクセル値を再利用する段階と
をさらに有する、請求項1に記載の方法。 - フィルム粒子シミュレーションプロセスにおける方法であって、
復号プロセスにおいて前記復号画像のブロック平均を決定する段階と、
前記決定したブロック平均を外部メモリに記憶する段階と、
前記復号画像と組み合わせる少なくとも1つのフィルム粒子パターンを選択する段階であって、前記選択は前記決定したブロック平均に少なくとも部分的に基づく段階と、
を有する方法。 - 1組の画素を復号する段階と、
前記復号した1組の画素を用いて前記ブロック平均を計算する段階とを有する、請求項5に記載の方法。 - 前記復号した1組の画素はマクロブロックである、請求項6に記載の方法。
- 前記マクロブロックは16×16のサンプルを含み、各サンプルについて、各サンプルのオーバーラップしていない各8×8ブロックについて1つずつ、4つのブロック平均を計算する、請求項7に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61963204P | 2004-10-18 | 2004-10-18 | |
US60/619,632 | 2004-10-18 | ||
PCT/US2005/037405 WO2006044880A1 (en) | 2004-10-18 | 2005-10-17 | Methods for determining block averages for film grain simulation |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008518289A JP2008518289A (ja) | 2008-05-29 |
JP5214246B2 true JP5214246B2 (ja) | 2013-06-19 |
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JP2007536758A Active JP4764883B2 (ja) | 2004-10-18 | 2005-10-07 | フィルムグレイン・シミュレーションの方法、装置及びシステム |
JP2007537019A Expired - Fee Related JP5214246B2 (ja) | 2004-10-18 | 2005-10-17 | フィルム粒度シミュレーションのためのブロック平均決定方法 |
JP2007536948A Expired - Fee Related JP4823227B2 (ja) | 2004-10-18 | 2005-10-17 | フィルムグレインシミュレーションにおけるラスタ順序によるフィルムグレインパターンを読み込む方法及び装置 |
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JP2007536758A Active JP4764883B2 (ja) | 2004-10-18 | 2005-10-07 | フィルムグレイン・シミュレーションの方法、装置及びシステム |
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JP2007536948A Expired - Fee Related JP4823227B2 (ja) | 2004-10-18 | 2005-10-17 | フィルムグレインシミュレーションにおけるラスタ順序によるフィルムグレインパターンを読み込む方法及び装置 |
Country Status (13)
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US (4) | US8014558B2 (ja) |
EP (3) | EP1803093B1 (ja) |
JP (3) | JP4764883B2 (ja) |
KR (3) | KR101218242B1 (ja) |
CN (3) | CN101044511A (ja) |
BR (1) | BRPI0516471A (ja) |
CA (1) | CA2584029C (ja) |
HK (2) | HK1104364A1 (ja) |
MX (1) | MX2007004365A (ja) |
MY (3) | MY149828A (ja) |
RU (1) | RU2372658C2 (ja) |
WO (3) | WO2006044276A1 (ja) |
ZA (1) | ZA200703560B (ja) |
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