BRPI0518821B8 - determinação de parâmetro de quantizador para controle de taxa em codificador de vídeo - Google Patents
determinação de parâmetro de quantizador para controle de taxa em codificador de vídeo Download PDFInfo
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- BRPI0518821B8 BRPI0518821B8 BRPI0518821A BRPI0518821A BRPI0518821B8 BR PI0518821 B8 BRPI0518821 B8 BR PI0518821B8 BR PI0518821 A BRPI0518821 A BR PI0518821A BR PI0518821 A BRPI0518821 A BR PI0518821A BR PI0518821 B8 BRPI0518821 B8 BR PI0518821B8
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- signal data
- video signal
- adaptive quantizer
- quantizer
- video encoder
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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
- H04N19/10—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
- H04N19/179—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 scene or a shot
-
- 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
- H04N19/115—Selection of the code volume for a coding unit prior to coding
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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
- H04N19/10—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
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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
- H04N19/10—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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- 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
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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
- H04N19/10—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
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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
- H04N19/10—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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
- H04N19/10—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
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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
- H04N19/10—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
- H04N19/177—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]
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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
- H04N19/10—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
- H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/197—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63245204P | 2004-12-02 | 2004-12-02 | |
PCT/US2005/021119 WO2006060037A1 (en) | 2004-12-02 | 2005-06-15 | Quantizer parameter determination for video encoder rate control |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0518821A2 BRPI0518821A2 (pt) | 2008-12-09 |
BRPI0518821B8 true BRPI0518821B8 (pt) | 2019-08-27 |
Family
ID=34972597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0518821A BRPI0518821B8 (pt) | 2004-12-02 | 2005-06-15 | determinação de parâmetro de quantizador para controle de taxa em codificador de vídeo |
Country Status (6)
Country | Link |
---|---|
US (1) | US9686557B2 (pt) |
EP (1) | EP1825681B1 (pt) |
JP (1) | JP5198869B2 (pt) |
CN (1) | CN101069432B (pt) |
BR (1) | BRPI0518821B8 (pt) |
WO (1) | WO2006060037A1 (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8165202B1 (en) * | 2006-03-31 | 2012-04-24 | Texas Instruments Incorporated | Video compression rate |
US8711925B2 (en) | 2006-05-05 | 2014-04-29 | Microsoft Corporation | Flexible quantization |
US8275045B2 (en) * | 2006-07-12 | 2012-09-25 | Qualcomm Incorporated | Video compression using adaptive variable length codes |
KR101345295B1 (ko) * | 2007-06-11 | 2013-12-27 | 삼성전자주식회사 | 인트라 픽처만을 이용한 동영상 시퀀스의 부호화시의비트율 제어 방법 및 장치 |
JP5427785B2 (ja) * | 2007-09-28 | 2014-02-26 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ビデオ圧縮技法及びビデオ伝達技法 |
US8295344B2 (en) * | 2007-10-22 | 2012-10-23 | Broadcom Corporation | Adaptive rate control for encoding of variable frame rate video sources |
CN101552917B (zh) * | 2008-03-31 | 2011-01-05 | 深圳市融创天下科技发展有限公司 | 一种视频压缩码率控制方法 |
US8897359B2 (en) | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
US20110255594A1 (en) | 2010-04-15 | 2011-10-20 | Soyeb Nagori | Rate Control in Video Coding |
JP5625512B2 (ja) * | 2010-06-09 | 2014-11-19 | ソニー株式会社 | 符号化装置、符号化方法、プログラム、および記録媒体 |
US8483272B2 (en) * | 2010-09-24 | 2013-07-09 | Intel Corporation | System and method for frame level bit rate control without pre-analysis |
JP5875236B2 (ja) | 2011-03-09 | 2016-03-02 | 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 |
JP5837523B2 (ja) * | 2012-03-27 | 2015-12-24 | 富士フイルム株式会社 | 冷却システム、リザーバユニットおよびカートリッジ並びにそれらを備えた固体レーザ発振装置 |
US9077965B2 (en) * | 2012-10-12 | 2015-07-07 | Mediatek Inc. | Method and apparatus for performing lossy image compression through source quantization and lossless compression kernel, and related method and apparatus for image decompression |
GB201308073D0 (en) * | 2013-05-03 | 2013-06-12 | Imagination Tech Ltd | Encoding an image |
US10785485B1 (en) * | 2016-04-29 | 2020-09-22 | Matrox Graphics Inc. | Adaptive bit rate control for image compression |
JP6867273B2 (ja) * | 2017-10-31 | 2021-04-28 | 日本電信電話株式会社 | 符号量推定装置及び符号量推定プログラム |
CN110324622B (zh) | 2018-03-28 | 2022-09-23 | 腾讯科技(深圳)有限公司 | 一种视频编码码率控制方法、装置、设备及存储介质 |
CN111200734B (zh) * | 2018-11-19 | 2022-03-11 | 浙江宇视科技有限公司 | 视频编码方法及装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3055153B2 (ja) * | 1990-07-20 | 2000-06-26 | ケイディディ株式会社 | 可変レートビデオ符号化制御方式 |
US5038209A (en) | 1990-09-27 | 1991-08-06 | At&T Bell Laboratories | Adaptive buffer/quantizer control for transform video coders |
US5231484A (en) * | 1991-11-08 | 1993-07-27 | International Business Machines Corporation | Motion video compression system with adaptive bit allocation and quantization |
JP2882287B2 (ja) * | 1994-08-22 | 1999-04-12 | 日本電気株式会社 | 動画像符号化装置 |
US5677969A (en) * | 1995-02-23 | 1997-10-14 | Motorola, Inc. | Method, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression system |
US6023296A (en) * | 1997-07-10 | 2000-02-08 | Sarnoff Corporation | Apparatus and method for object based rate control in a coding system |
US6690833B1 (en) * | 1997-07-14 | 2004-02-10 | Sarnoff Corporation | Apparatus and method for macroblock based rate control in a coding system |
EP0940042B1 (en) * | 1997-07-29 | 2005-07-27 | Koninklijke Philips Electronics N.V. | Variable bitrate video coding method and corresponding video coder |
US6192075B1 (en) | 1997-08-21 | 2001-02-20 | Stream Machine Company | Single-pass variable bit-rate control for digital video coding |
US6181742B1 (en) * | 1998-01-26 | 2001-01-30 | International Business Machines Corporation | Single pass target allocation for video encoding |
WO1999038333A1 (en) * | 1998-01-26 | 1999-07-29 | Sgs-Thomson Microelectronics Asia Pacific (Pte) Ltd. | One-pass variable bit rate moving pictures encoding |
DE10048735A1 (de) * | 2000-09-29 | 2002-04-11 | Bosch Gmbh Robert | Verfahren zur Codierung und Decodierung von Bildsequenzen sowie Einrichtungen hierzu |
JP4079587B2 (ja) | 2000-11-17 | 2008-04-23 | 日本板硝子株式会社 | 脆性部材の接着構造 |
US6831947B2 (en) | 2001-03-23 | 2004-12-14 | Sharp Laboratories Of America, Inc. | Adaptive quantization based on bit rate prediction and prediction error energy |
US6891889B2 (en) * | 2001-09-05 | 2005-05-10 | Intel Corporation | Signal to noise ratio optimization for video compression bit-rate control |
AU2003207906A1 (en) * | 2002-03-28 | 2003-10-13 | Koninklijke Philips Electronics N.V. | Video encoding with constrained fluctuations of quantizer scale |
US20040161034A1 (en) | 2003-02-14 | 2004-08-19 | Andrei Morozov | Method and apparatus for perceptual model based video compression |
-
2005
- 2005-06-15 JP JP2007544326A patent/JP5198869B2/ja active Active
- 2005-06-15 US US11/791,288 patent/US9686557B2/en active Active
- 2005-06-15 BR BRPI0518821A patent/BRPI0518821B8/pt active IP Right Grant
- 2005-06-15 WO PCT/US2005/021119 patent/WO2006060037A1/en active Application Filing
- 2005-06-15 EP EP05760645.1A patent/EP1825681B1/en active Active
- 2005-06-15 CN CN200580041450.4A patent/CN101069432B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2008522546A (ja) | 2008-06-26 |
EP1825681A1 (en) | 2007-08-29 |
EP1825681B1 (en) | 2017-12-27 |
US20080063052A1 (en) | 2008-03-13 |
WO2006060037A1 (en) | 2006-06-08 |
JP5198869B2 (ja) | 2013-05-15 |
BRPI0518821A2 (pt) | 2008-12-09 |
CN101069432B (zh) | 2015-10-21 |
US9686557B2 (en) | 2017-06-20 |
CN101069432A (zh) | 2007-11-07 |
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