NL1007505A1 - Bit-aantal regeleenheid voor het coderen van videobeeldsignaal en een werkwijze daarvoor. - Google Patents
Bit-aantal regeleenheid voor het coderen van videobeeldsignaal en een werkwijze daarvoor.Info
- Publication number
- NL1007505A1 NL1007505A1 NL1007505A NL1007505A NL1007505A1 NL 1007505 A1 NL1007505 A1 NL 1007505A1 NL 1007505 A NL1007505 A NL 1007505A NL 1007505 A NL1007505 A NL 1007505A NL 1007505 A1 NL1007505 A1 NL 1007505A1
- Authority
- NL
- Netherlands
- Prior art keywords
- bit
- control unit
- image signal
- video image
- method therefor
- Prior art date
Links
Classifications
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
- H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
-
- 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
-
- 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
- H04N19/14—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
- H04N19/146—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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/17—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
-
- 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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- 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
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960053080A KR100297830B1 (ko) | 1996-11-09 | 1996-11-09 | 영상단위별 비트발생량 조절 장치 및 방법 |
KR19960053080 | 1996-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL1007505A1 true NL1007505A1 (nl) | 1998-05-14 |
NL1007505C2 NL1007505C2 (nl) | 2001-04-18 |
Family
ID=19481357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1007505A NL1007505C2 (nl) | 1996-11-09 | 1997-11-10 | Bit-aantal regeleenheid voor het coderen van videobeeldsignaal en een werkwijze daarvoor. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5990957A (nl) |
JP (1) | JP3365730B2 (nl) |
KR (1) | KR100297830B1 (nl) |
FR (1) | FR2755817B1 (nl) |
NL (1) | NL1007505C2 (nl) |
Families Citing this family (64)
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KR960006762B1 (ko) * | 1992-02-29 | 1996-05-23 | 삼성전자주식회사 | 화상부호화를 위한 효율적인 2차원 데이타의 주사선택회로 |
US6680975B1 (en) | 1992-02-29 | 2004-01-20 | Samsung Electronics Co., Ltd. | Signal encoding and decoding system and method |
WO1999021367A1 (fr) * | 1997-10-20 | 1999-04-29 | Mitsubishi Denki Kabushiki Kaisha | Codeur et decodeur d'image |
US6173069B1 (en) * | 1998-01-09 | 2001-01-09 | Sharp Laboratories Of America, Inc. | Method for adapting quantization in video coding using face detection and visual eccentricity weighting |
US6259733B1 (en) * | 1998-06-16 | 2001-07-10 | General Instrument Corporation | Pre-processing of bit rate allocation in a multi-channel video encoder |
US6480538B1 (en) * | 1998-07-08 | 2002-11-12 | Koninklijke Philips Electronics N.V. | Low bandwidth encoding scheme for video transmission |
JP3748717B2 (ja) * | 1998-08-31 | 2006-02-22 | シャープ株式会社 | 動画像符号化装置 |
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US6760482B1 (en) | 1999-02-19 | 2004-07-06 | Unisearch Limited | Method for visual optimisation of embedded block codes to exploit visual masking phenomena |
AU776355B2 (en) * | 1999-02-19 | 2004-09-02 | Unisearch Limited | Method for visual optimisation of embedded block codes to exploit visual masking phenomena |
KR100390115B1 (ko) * | 1999-04-12 | 2003-07-04 | 마츠시타 덴끼 산교 가부시키가이샤 | 화상 처리 방법, 화상 처리 장치 및 데이터 기억 매체 |
US6490319B1 (en) * | 1999-06-22 | 2002-12-03 | Intel Corporation | Region of interest video coding |
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KR100341063B1 (ko) * | 2000-06-28 | 2002-06-20 | 송문섭 | 실시간 영상 통신을 위한 율제어 장치 및 그 방법 |
US7394854B2 (en) * | 2000-07-21 | 2008-07-01 | Matsushita Electric Industrial Co., Ltd. | Signal transmission system |
JP4534106B2 (ja) * | 2000-12-26 | 2010-09-01 | 日本電気株式会社 | 動画像符号化システム及び方法 |
US7321624B1 (en) * | 2001-03-16 | 2008-01-22 | Objectvideo, Inc. | Bit-rate allocation system for object-based video encoding |
US6831947B2 (en) | 2001-03-23 | 2004-12-14 | Sharp Laboratories Of America, Inc. | Adaptive quantization based on bit rate prediction and prediction error energy |
JP4176011B2 (ja) * | 2001-07-10 | 2008-11-05 | シャープ株式会社 | Avデータ送信装置、avデータ受信装置、avデータ表示・再生装置 |
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EP1942462B1 (en) * | 2002-11-15 | 2009-04-15 | Qualcomm Incorporated | Apparatus and method for multiple description encoding |
JP4214771B2 (ja) * | 2002-12-12 | 2009-01-28 | ソニー株式会社 | 画像処理装置およびその方法と符号化装置 |
US7995849B2 (en) * | 2003-03-17 | 2011-08-09 | Qualcomm, Incorporated | Method and apparatus for improving video quality of low bit-rate video |
US7949047B2 (en) * | 2003-03-17 | 2011-05-24 | Qualcomm Incorporated | System and method for partial intraframe encoding for wireless multimedia transmission |
US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
US7580584B2 (en) | 2003-07-18 | 2009-08-25 | Microsoft Corporation | Adaptive multiple quantization |
US8218624B2 (en) | 2003-07-18 | 2012-07-10 | Microsoft Corporation | Fractional quantization step sizes for high bit rates |
US7602851B2 (en) | 2003-07-18 | 2009-10-13 | Microsoft Corporation | Intelligent differential quantization of video coding |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
US7535959B2 (en) * | 2003-10-16 | 2009-05-19 | Nvidia Corporation | Apparatus, system, and method for video encoder rate control |
US9351013B2 (en) * | 2003-11-13 | 2016-05-24 | Qualcomm Incorporated | Selective and/or scalable complexity control for video codecs |
JP2005295497A (ja) * | 2004-03-10 | 2005-10-20 | Seiko Epson Corp | 画質表示装置、ディジタルカメラ、現像装置、画質表示方法及び画質表示プログラム |
US7801383B2 (en) | 2004-05-15 | 2010-09-21 | Microsoft Corporation | Embedded scalar quantizers with arbitrary dead-zone ratios |
US8437403B2 (en) * | 2005-01-05 | 2013-05-07 | Jean-Yves Babonneau | Device and method for analysing images by calculating the variance for each pixel of a high-frequency image |
FR2880498A1 (fr) * | 2005-01-05 | 2006-07-07 | Nextream France Sa | Dispositif et procede d'analyse d'images |
US9781433B2 (en) * | 2005-01-26 | 2017-10-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Systems, methods, and apparatus for real-time video encoding |
US7403562B2 (en) * | 2005-03-09 | 2008-07-22 | Eg Technology, Inc. | Model based rate control for predictive video encoder |
US8422546B2 (en) | 2005-05-25 | 2013-04-16 | Microsoft Corporation | Adaptive video encoding using a perceptual model |
US7822117B1 (en) * | 2005-09-30 | 2010-10-26 | Ambarella, Inc. | Video encoder rate control using bit usage measuring and allocating by macroblock classes |
US7912123B2 (en) * | 2006-03-01 | 2011-03-22 | Streaming Networks (Pvt.) Ltd | Method and system for providing low cost robust operational control of video encoders |
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US20070242749A1 (en) * | 2006-04-14 | 2007-10-18 | Sung Chih-Ta S | Image frame compression of video stream with fast random accessing and decompressing |
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US8331438B2 (en) | 2007-06-05 | 2012-12-11 | Microsoft Corporation | Adaptive selection of picture-level quantization parameters for predicted video pictures |
CN101127909B (zh) * | 2007-09-29 | 2010-07-07 | 华为技术有限公司 | 一种图像码率控制方法及装置 |
US8189933B2 (en) | 2008-03-31 | 2012-05-29 | Microsoft Corporation | Classifying and controlling encoding quality for textured, dark smooth and smooth video content |
US8897359B2 (en) | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
JP5100689B2 (ja) * | 2009-03-11 | 2012-12-19 | 三菱電機株式会社 | 動画像符号化装置及び動画像復号装置 |
CN102567961B (zh) * | 2010-12-30 | 2016-05-18 | 意法半导体研发(深圳)有限公司 | 感知块屏蔽估算系统 |
US9978156B2 (en) * | 2012-10-03 | 2018-05-22 | Avago Technologies General Ip (Singapore) Pte. Ltd. | High-throughput image and video compression |
JP6319545B2 (ja) * | 2013-03-15 | 2018-05-09 | パナソニックIpマネジメント株式会社 | 画像符号化装置、撮影システム、撮影記録システム、画質符号化方法、及び画像符号化制御プログラム |
WO2015071865A1 (en) * | 2013-11-14 | 2015-05-21 | Riversilica Technologies Pvt Ltd | Method and system to control bit rate in video encoding |
JP6532222B2 (ja) * | 2014-11-28 | 2019-06-19 | キヤノン株式会社 | 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム |
US11272192B2 (en) * | 2019-03-04 | 2022-03-08 | Comcast Cable Communications, Llc | Scene classification and learning for video compression |
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US5079621A (en) * | 1990-06-29 | 1992-01-07 | Eastman Kodak Company | Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism |
JPH0556418A (ja) * | 1991-08-28 | 1993-03-05 | Sharp Corp | 画像符号化装置 |
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KR100206261B1 (ko) * | 1992-02-28 | 1999-07-01 | 윤종용 | 디지탈 vtr의 영상신호 대역 압축장치 |
US5463702A (en) * | 1992-05-12 | 1995-10-31 | Sony Electronics Inc. | Perceptual based color-compression for raster image quantization |
WO1994011993A1 (en) * | 1992-11-16 | 1994-05-26 | Multimedia Systems Corporation | Method for the production and transmission of enhanced interactive multimedia information |
KR100213014B1 (ko) * | 1994-03-15 | 1999-08-02 | 윤종용 | 동화상신호의 고능률 부호화를 위한 레이트 콘트롤 장치 |
US5512939A (en) * | 1994-04-06 | 1996-04-30 | At&T Corp. | Low bit rate audio-visual communication system having integrated perceptual speech and video coding |
-
1996
- 1996-11-09 KR KR1019960053080A patent/KR100297830B1/ko not_active IP Right Cessation
-
1997
- 1997-11-04 US US08/964,015 patent/US5990957A/en not_active Expired - Lifetime
- 1997-11-07 FR FR9714046A patent/FR2755817B1/fr not_active Expired - Fee Related
- 1997-11-10 NL NL1007505A patent/NL1007505C2/nl not_active IP Right Cessation
- 1997-11-10 JP JP30768797A patent/JP3365730B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH10257489A (ja) | 1998-09-25 |
FR2755817B1 (fr) | 2002-01-11 |
JP3365730B2 (ja) | 2003-01-14 |
FR2755817A1 (fr) | 1998-05-15 |
US5990957A (en) | 1999-11-23 |
KR100297830B1 (ko) | 2001-08-07 |
KR19980034879A (ko) | 1998-08-05 |
NL1007505C2 (nl) | 2001-04-18 |
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