DE69624639T2 - Kodierung von digitalen Videosignalen - Google Patents
Kodierung von digitalen VideosignalenInfo
- Publication number
- DE69624639T2 DE69624639T2 DE1996624639 DE69624639T DE69624639T2 DE 69624639 T2 DE69624639 T2 DE 69624639T2 DE 1996624639 DE1996624639 DE 1996624639 DE 69624639 T DE69624639 T DE 69624639T DE 69624639 T2 DE69624639 T2 DE 69624639T2
- Authority
- DE
- Germany
- Prior art keywords
- filtered
- video signal
- digital video
- filter
- motion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000011045 prefiltration Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- 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
- H04N19/10—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
-
- 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
- H04N19/10—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
- H04N19/124—Quantisation
-
- 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
- H04N19/10—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
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/10—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
-
- 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
- H04N19/10—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
- H04N19/142—Detection of scene cut or scene change
-
- 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
- H04N19/10—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/10—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- 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
- H04N19/10—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/10—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
- H04N19/162—User input
-
- 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
- H04N19/10—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
- H04N19/172—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
-
- 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
- H04N19/10—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
- H04N19/177—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 a group of pictures [GOP]
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20204—Removing film grain; Adding simulated film grain
-
- 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
- H04N19/10—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
- H04N19/146—Data rate or code amount at the encoder output
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20328295 | 1995-08-09 | ||
JP11168196A JP3353604B2 (ja) | 1995-08-09 | 1996-05-02 | 動画像符号化方法及び装置、並びに信号記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69624639D1 DE69624639D1 (de) | 2002-12-12 |
DE69624639T2 true DE69624639T2 (de) | 2003-07-03 |
Family
ID=26451020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1996624639 Expired - Lifetime DE69624639T2 (de) | 1995-08-09 | 1996-08-09 | Kodierung von digitalen Videosignalen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5875003A (de) |
EP (1) | EP0758186B1 (de) |
JP (1) | JP3353604B2 (de) |
KR (1) | KR970012226A (de) |
DE (1) | DE69624639T2 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6115420A (en) * | 1997-03-14 | 2000-09-05 | Microsoft Corporation | Digital video signal encoder and encoding method |
FR2764156B1 (fr) * | 1997-05-27 | 1999-11-05 | Thomson Broadcast Systems | Dispositif de pretraitement pour codage mpeg ii |
FR2772138B1 (fr) * | 1997-12-10 | 1999-12-31 | Inst Francais Du Petrole | Methode statistique multivariable pour caracteriser des images que l'on a formees d'un milieu complexe tel que le sous-sol |
JPH11177993A (ja) * | 1997-12-12 | 1999-07-02 | Nec Corp | 動画像符号化装置 |
US6873368B1 (en) | 1997-12-23 | 2005-03-29 | Thomson Licensing Sa. | Low noise encoding and decoding method |
JP4186242B2 (ja) * | 1997-12-26 | 2008-11-26 | ソニー株式会社 | 画像信号処理装置及び画像信号処理方法 |
JPH11285002A (ja) * | 1998-02-02 | 1999-10-15 | Sony Corp | 動画像符号化装置及び動画像符号化方法 |
EP1064790A1 (de) * | 1999-01-15 | 2001-01-03 | Koninklijke Philips Electronics N.V. | Codierung und rauschfilterung einer bildfolge |
JP3983922B2 (ja) * | 1999-04-26 | 2007-09-26 | コニカミノルタビジネステクノロジーズ株式会社 | 画像処理装置およびこれを搭載した画像読取装置と画像形成装置、並びに画像処理方法 |
DE60035740T2 (de) * | 1999-06-22 | 2007-12-06 | Victor Company of Japan, Ltd., Yokohama | Vorrichtung und Verfahren zur Kodierung von Bewegtbildsignalen |
JP3593929B2 (ja) * | 1999-09-03 | 2004-11-24 | 日本電気株式会社 | 動画像符号化方法及び動画像符号化装置 |
US6674800B1 (en) * | 2000-08-29 | 2004-01-06 | Koninklijke Philips Electronics N.V. | Method and system for utilizing a global optimal approach of scalable algorithms |
US7136508B2 (en) * | 2000-11-09 | 2006-11-14 | Minolta Co., Ltd. | Image processing apparatus, method, and program for processing a moving image |
CN1167034C (zh) | 2001-02-27 | 2004-09-15 | 华为技术有限公司 | 图像预去噪的方法 |
US7916147B2 (en) | 2002-03-01 | 2011-03-29 | T5 Labs Ltd. | Centralised interactive graphical application server |
JP2003330445A (ja) * | 2002-05-15 | 2003-11-19 | Fujitsu Ltd | 表示装置 |
CN100371955C (zh) | 2003-05-15 | 2008-02-27 | 汤姆森许可贸易公司 | 通过一个或者多个参数表示图像粒度的方法和设备 |
JP2005026747A (ja) * | 2003-06-30 | 2005-01-27 | Matsushita Electric Ind Co Ltd | フィルタ処理装置、画像符号化装置及び方法 |
JP5330647B2 (ja) * | 2003-09-17 | 2013-10-30 | トムソン ライセンシング | 適応参照画像の発生 |
US7394856B2 (en) * | 2003-09-19 | 2008-07-01 | Seiko Epson Corporation | Adaptive video prefilter |
EP1524856A1 (de) * | 2003-10-15 | 2005-04-20 | Sony International (Europe) GmbH | Verfahren zur Verarbeitung von Videosignalen |
JP4543873B2 (ja) * | 2004-10-18 | 2010-09-15 | ソニー株式会社 | 画像処理装置および処理方法 |
US7787541B2 (en) * | 2005-10-05 | 2010-08-31 | Texas Instruments Incorporated | Dynamic pre-filter control with subjective noise detector for video compression |
US20070098086A1 (en) * | 2005-10-28 | 2007-05-03 | Vasudev Bhaskaran | Spatio-temporal noise filter for digital video |
JP4528255B2 (ja) * | 2005-12-06 | 2010-08-18 | 日本放送協会 | 映像復号装置および映像復号プログラム |
US7664337B2 (en) * | 2005-12-20 | 2010-02-16 | Marvell International Ltd. | Film grain generation and addition |
US20070230804A1 (en) * | 2006-03-31 | 2007-10-04 | Aldrich Bradley C | Encoding techniques employing noise-based adaptation |
US8009732B2 (en) * | 2006-09-01 | 2011-08-30 | Seiko Epson Corporation | In-loop noise reduction within an encoder framework |
EP1909227B1 (de) * | 2006-10-03 | 2018-06-27 | Vestel Elektronik Sanayi ve Ticaret A.S. | Verfahren und Vorrichtung zur Minimierung von Überschwingungsartefakten in einem Eingangsbild |
CN102119400B (zh) * | 2008-08-08 | 2017-10-31 | 汤姆逊许可证公司 | 暗噪声伪影检测方法和装置 |
JP4724240B2 (ja) * | 2009-07-02 | 2011-07-13 | トムソン ライセンシング | ビデオ信号を処理する方法 |
US9313526B2 (en) * | 2010-02-19 | 2016-04-12 | Skype | Data compression for video |
FR3073999B1 (fr) * | 2017-11-23 | 2024-02-09 | Ateme | Compression intelligente de contenus video graines |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3189861B2 (ja) * | 1992-11-13 | 2001-07-16 | ソニー株式会社 | 動画像符号化装置および方法 |
KR940001441B1 (ko) * | 1991-07-19 | 1994-02-23 | 삼성전자 주식회사 | 운동 적응형 y/c분리기 |
US5343247A (en) * | 1991-08-02 | 1994-08-30 | U.S. Philips Corporation | Filter circuit for preprocessing a video signal to be coded |
JP2507204B2 (ja) * | 1991-08-30 | 1996-06-12 | 松下電器産業株式会社 | 映像信号符号化装置 |
US5214507A (en) * | 1991-11-08 | 1993-05-25 | At&T Bell Laboratories | Video signal quantization for an mpeg like coding environment |
US5361105A (en) * | 1993-03-05 | 1994-11-01 | Matsushita Electric Corporation Of America | Noise reduction system using multi-frame motion estimation, outlier rejection and trajectory correction |
US5499057A (en) * | 1993-08-27 | 1996-03-12 | Sony Corporation | Apparatus for producing a noise-reducded image signal from an input image signal |
US5635281A (en) * | 1994-08-12 | 1997-06-03 | Donnelly Corporation | Glazing using a melt-processible gasket material |
JP3911035B2 (ja) * | 1994-08-31 | 2007-05-09 | ソニー株式会社 | 動画像符号化方法及び動画像符号化装置 |
US5734419A (en) * | 1994-10-21 | 1998-03-31 | Lucent Technologies Inc. | Method of encoder control |
-
1996
- 1996-05-02 JP JP11168196A patent/JP3353604B2/ja not_active Expired - Fee Related
- 1996-08-09 DE DE1996624639 patent/DE69624639T2/de not_active Expired - Lifetime
- 1996-08-09 EP EP19960305862 patent/EP0758186B1/de not_active Expired - Lifetime
- 1996-08-09 KR KR1019960033110A patent/KR970012226A/ko not_active Application Discontinuation
-
1997
- 1997-11-10 US US08/962,886 patent/US5875003A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0758186B1 (de) | 2002-11-06 |
JP3353604B2 (ja) | 2002-12-03 |
JPH09107549A (ja) | 1997-04-22 |
US5875003A (en) | 1999-02-23 |
KR970012226A (ko) | 1997-03-29 |
EP0758186A3 (de) | 1999-01-07 |
EP0758186A2 (de) | 1997-02-12 |
DE69624639D1 (de) | 2002-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |