CN101095356B - 基于块的胶片颗粒图案的自适应解块技术 - Google Patents
基于块的胶片颗粒图案的自适应解块技术 Download PDFInfo
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- CN101095356B CN101095356B CN2005800352014A CN200580035201A CN101095356B CN 101095356 B CN101095356 B CN 101095356B CN 2005800352014 A CN2005800352014 A CN 2005800352014A CN 200580035201 A CN200580035201 A CN 200580035201A CN 101095356 B CN101095356 B CN 101095356B
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Images
Classifications
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- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/87—Producing a motion picture film from a television signal
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—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
- 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
- H04N19/176—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 block, e.g. a macroblock
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
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- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20204—Removing film grain; Adding simulated film grain
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62070204P | 2004-10-21 | 2004-10-21 | |
US60/620,702 | 2004-10-21 | ||
PCT/US2005/037404 WO2006047138A2 (en) | 2004-10-21 | 2005-10-17 | Technique for adaptive de-blocking of block-based film grain patterns |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101095356A CN101095356A (zh) | 2007-12-26 |
CN101095356B true CN101095356B (zh) | 2013-06-19 |
Family
ID=35874366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800352014A Expired - Fee Related CN101095356B (zh) | 2004-10-21 | 2005-10-17 | 基于块的胶片颗粒图案的自适应解块技术 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7738722B2 (zh) |
EP (1) | EP1803303B1 (zh) |
JP (1) | JP4920592B2 (zh) |
KR (1) | KR101174179B1 (zh) |
CN (1) | CN101095356B (zh) |
CA (1) | CA2584027C (zh) |
WO (1) | WO2006047138A2 (zh) |
Families Citing this family (30)
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ES2395718T3 (es) * | 2003-04-10 | 2013-02-14 | Thomson Licensing | Técnica para simular el grano de una película en un video codificado |
JP2005100100A (ja) * | 2003-09-25 | 2005-04-14 | Toyota Motor Corp | 車輪情報処理装置および車輪情報処理方法 |
CN1868215B (zh) * | 2003-10-14 | 2012-10-03 | 汤姆森特许公司 | 用于位精确的胶片颗粒模拟的技术 |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
ZA200703153B (en) | 2004-10-18 | 2008-08-27 | Thomson Licensing | Film grain simulation method |
GB0424339D0 (en) * | 2004-11-03 | 2004-12-08 | Astrazeneca Ab | Combination therapy |
MX2007005653A (es) | 2004-11-12 | 2007-06-05 | Thomson Licensing | Simulacion de grano para reproduccion normal y reproduccion de modo de truco para sistemas de reproduccion de video. |
MX2007005652A (es) | 2004-11-16 | 2007-06-05 | Thomson Licensing | Metodo de simulacion de grano de pelicula con base en coeficientes de transformacion pre-computados. |
WO2006055333A2 (en) | 2004-11-16 | 2006-05-26 | Thomson Licensing | Film grain sei message insertion for bit-accurate simulation in a video system |
KR101169826B1 (ko) * | 2004-11-17 | 2012-08-03 | 톰슨 라이센싱 | 사전계산된 변환 계수들에 기초한 비트-어큐리트 필름그레인 시뮬레이션 방법 |
JP5474300B2 (ja) * | 2004-11-22 | 2014-04-16 | トムソン ライセンシング | フィルムグレインシミュレーションのフィルムグレインキャッシュ分割のための方法、装置及びシステム |
US8023567B2 (en) * | 2004-11-24 | 2011-09-20 | Thomson Licensing | Film grain simulation technique for use in media playback devices |
KR100703744B1 (ko) * | 2005-01-19 | 2007-04-05 | 삼성전자주식회사 | 디블록을 제어하는 fgs 기반의 비디오 인코딩 및디코딩 방법 및 장치 |
US8254462B2 (en) * | 2005-01-28 | 2012-08-28 | Broadcom Corporation | Method and system for block noise reduction |
US8213500B2 (en) | 2006-12-21 | 2012-07-03 | Sharp Laboratories Of America, Inc. | Methods and systems for processing film grain noise |
US8189946B2 (en) * | 2007-01-24 | 2012-05-29 | Canon Kabushiki Kaisha | Image processing apparatus and method thereof for detecting and removing noise in decoded images |
JP2008219163A (ja) * | 2007-02-28 | 2008-09-18 | Toshiba Corp | 情報符号化方法、情報再生方法、及び情報記憶媒体 |
US10715834B2 (en) | 2007-05-10 | 2020-07-14 | Interdigital Vc Holdings, Inc. | Film grain simulation based on pre-computed transform coefficients |
CA2638465A1 (en) * | 2007-08-01 | 2009-02-01 | Jean-Yves Chouinard | Learning filters for enhancing the quality of block coded still and video images |
EP2351374A1 (en) | 2008-11-25 | 2011-08-03 | Thomson Licensing | Methods and apparatus for sparsity-based de-artifact filtering for video encoding and decoding |
JP5361524B2 (ja) | 2009-05-11 | 2013-12-04 | キヤノン株式会社 | パターン認識システム及びパターン認識方法 |
JP2011223302A (ja) | 2010-04-09 | 2011-11-04 | Sony Corp | 画像処理装置と画像処理方法 |
JP2012044535A (ja) * | 2010-08-20 | 2012-03-01 | Toshiba Corp | 動画像符号化装置及び動画像符号化方法 |
JP5484310B2 (ja) * | 2010-12-24 | 2014-05-07 | キヤノン株式会社 | 画像処理装置及び画像処理装置の制御方法 |
US9626772B2 (en) | 2012-01-18 | 2017-04-18 | V-Nova International Limited | Distinct encoding and decoding of stable information and transient/stochastic information |
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 |
EP3503555B1 (en) | 2017-12-21 | 2020-07-22 | Axis AB | A method and a controller for adding comfort noise to a video sequence |
CN111711825B (zh) * | 2020-06-23 | 2024-04-30 | 腾讯科技(深圳)有限公司 | 视频编解码中的去块效应滤波方法、装置、设备及介质 |
CN112381744B (zh) * | 2020-10-27 | 2022-10-11 | 杭州微帧信息科技有限公司 | 一种av1合成胶片颗粒自适应前处理的方法 |
US20220337883A1 (en) * | 2021-04-19 | 2022-10-20 | Comcast Cable Communications, Llc | Methods, systems, and apparatuses for adaptive processing of video content with film grain |
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CN1868215B (zh) * | 2003-10-14 | 2012-10-03 | 汤姆森特许公司 | 用于位精确的胶片颗粒模拟的技术 |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
KR101169826B1 (ko) * | 2004-11-17 | 2012-08-03 | 톰슨 라이센싱 | 사전계산된 변환 계수들에 기초한 비트-어큐리트 필름그레인 시뮬레이션 방법 |
JP5474300B2 (ja) * | 2004-11-22 | 2014-04-16 | トムソン ライセンシング | フィルムグレインシミュレーションのフィルムグレインキャッシュ分割のための方法、装置及びシステム |
JP4829893B2 (ja) * | 2004-11-23 | 2011-12-07 | トムソン ライセンシング | 低計算量のフィルム粒子シミュレーション技術 |
US8023567B2 (en) * | 2004-11-24 | 2011-09-20 | Thomson Licensing | Film grain simulation technique for use in media playback devices |
JP4914026B2 (ja) * | 2005-05-17 | 2012-04-11 | キヤノン株式会社 | 画像処理装置及び画像処理方法 |
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US7664337B2 (en) * | 2005-12-20 | 2010-02-16 | Marvell International Ltd. | Film grain generation and addition |
-
2005
- 2005-10-17 EP EP05813106.1A patent/EP1803303B1/en not_active Expired - Fee Related
- 2005-10-17 KR KR1020077011418A patent/KR101174179B1/ko active IP Right Grant
- 2005-10-17 CA CA2584027A patent/CA2584027C/en not_active Expired - Fee Related
- 2005-10-17 US US11/252,177 patent/US7738722B2/en not_active Expired - Fee Related
- 2005-10-17 CN CN2005800352014A patent/CN101095356B/zh not_active Expired - Fee Related
- 2005-10-17 WO PCT/US2005/037404 patent/WO2006047138A2/en active Application Filing
- 2005-10-17 JP JP2007537972A patent/JP4920592B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7738722B2 (en) | 2010-06-15 |
JP4920592B2 (ja) | 2012-04-18 |
EP1803303A2 (en) | 2007-07-04 |
CN101095356A (zh) | 2007-12-26 |
KR101174179B1 (ko) | 2012-08-16 |
WO2006047138A3 (en) | 2006-08-03 |
JP2008518510A (ja) | 2008-05-29 |
US20060140278A1 (en) | 2006-06-29 |
CA2584027C (en) | 2014-12-30 |
KR20070084390A (ko) | 2007-08-24 |
WO2006047138A2 (en) | 2006-05-04 |
EP1803303B1 (en) | 2019-12-04 |
CA2584027A1 (en) | 2006-05-04 |
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