HK1133144A1 - Flexible quantization - Google Patents

Flexible quantization

Info

Publication number
HK1133144A1
HK1133144A1 HK09110830.4A HK09110830A HK1133144A1 HK 1133144 A1 HK1133144 A1 HK 1133144A1 HK 09110830 A HK09110830 A HK 09110830A HK 1133144 A1 HK1133144 A1 HK 1133144A1
Authority
HK
Hong Kong
Prior art keywords
flexible quantization
quantization
flexible
Prior art date
Application number
HK09110830.4A
Other languages
English (en)
Inventor
Chengjie Tu
Sridhar Srinivasan
Original Assignee
Microsoft Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of HK1133144A1 publication Critical patent/HK1133144A1/xx

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
    • H04N19/102—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
    • H04N19/46—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
    • H04N19/10—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
HK09110830.4A 2006-05-05 2009-11-19 Flexible quantization HK1133144A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/418,690 US8711925B2 (en) 2006-05-05 2006-05-05 Flexible quantization
PCT/US2007/010848 WO2007130580A2 (en) 2006-05-05 2007-05-04 Flexible quantization

Publications (1)

Publication Number Publication Date
HK1133144A1 true HK1133144A1 (en) 2010-03-12

Family

ID=38661156

Family Applications (2)

Application Number Title Priority Date Filing Date
HK13106016.2A HK1179084A1 (zh) 2006-05-05 2009-11-19 靈活量化
HK09110830.4A HK1133144A1 (en) 2006-05-05 2009-11-19 Flexible quantization

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK13106016.2A HK1179084A1 (zh) 2006-05-05 2009-11-19 靈活量化

Country Status (13)

Country Link
US (11) US8711925B2 (xx)
EP (1) EP2016773B1 (xx)
JP (4) JP5385781B2 (xx)
KR (1) KR101477302B1 (xx)
CN (5) CN102833545B (xx)
AU (1) AU2007248524B2 (xx)
BR (1) BRPI0710704B1 (xx)
CA (1) CA2647332C (xx)
HK (2) HK1179084A1 (xx)
IL (2) IL194133A (xx)
MX (1) MX2008013647A (xx)
RU (2) RU2476000C2 (xx)
WO (1) WO2007130580A2 (xx)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8422546B2 (en) * 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
CN101317458B (zh) * 2006-03-16 2012-04-18 华为技术有限公司 在编码过程中实现自适应量化的方法及装置
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US8265162B2 (en) 2007-10-01 2012-09-11 Cisco Technology, Inc. Context adaptive position and amplitude coding of coefficients for video compression
US8204327B2 (en) * 2007-10-01 2012-06-19 Cisco Technology, Inc. Context adaptive hybrid variable length coding
US8527265B2 (en) * 2007-10-22 2013-09-03 Qualcomm Incorporated Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
US8559499B2 (en) * 2007-10-26 2013-10-15 Zoran (France) S.A. Frame buffer compression for video processing devices
BRPI0906481A2 (pt) * 2008-01-14 2015-07-14 Thomson Licensing Métodos e aparelho para filtragem para remoção de artefato usando filtragem baseada em esparsidade de múltiplos reticulados
KR101446771B1 (ko) * 2008-01-30 2014-10-06 삼성전자주식회사 영상 부호화장치 및 영상 복호화장치
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
JP5136470B2 (ja) * 2009-03-06 2013-02-06 富士通株式会社 動画像符号化装置及び動画像符号化方法
US8588295B2 (en) * 2009-03-09 2013-11-19 Mediatek Inc. Methods and electronic devices for quantization and de-quantization
WO2011019383A2 (en) * 2009-08-12 2011-02-17 Thomson Licensing Methods and apparatus for improved intra chroma encoding and decoding
US20110298891A1 (en) * 2010-06-04 2011-12-08 Iowa State University Research Foundation, Inc. Composite phase-shifting algorithm for 3-d shape compression
JP2012169708A (ja) * 2011-02-09 2012-09-06 Sony Corp 映像信号処理装置、映像信号処理方法およびプログラム
US9363509B2 (en) 2011-03-03 2016-06-07 Electronics And Telecommunications Research Institute Method for determining color difference component quantization parameter and device using the method
WO2012118359A2 (ko) 2011-03-03 2012-09-07 한국전자통신연구원 색차 성분 양자화 매개 변수 결정 방법 및 이러한 방법을 사용하는 장치
WO2012144128A1 (ja) * 2011-04-20 2012-10-26 パナソニック株式会社 音声音響符号化装置、音声音響復号装置、およびこれらの方法
US9854275B2 (en) * 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
CN103782293B (zh) * 2011-08-26 2018-10-12 安提特软件有限责任公司 用于数据分区的多维集群
CN103096052B (zh) 2011-11-04 2015-11-25 华为技术有限公司 一种图像编码、解码的方法和装置
WO2013109471A1 (en) * 2012-01-19 2013-07-25 Vid Scale, Inc. System and method of video coding quantization and dynamic range control
DK3282708T3 (da) * 2012-02-29 2019-05-20 Sony Corp Anordning og fremgangsmåde til billedbehandling
GB2501552A (en) * 2012-04-26 2013-10-30 Sony Corp Video Data Encoding / Decoding with Different Max Chrominance Quantisation Steps for 4:2:2 and 4:4:4 Format
JP5950157B2 (ja) * 2012-05-18 2016-07-13 ソニー株式会社 画像処理装置および方法、並びに、プログラム
CN103428523B (zh) * 2012-05-22 2015-07-08 华为技术有限公司 评估视频质量的方法和装置
US8873892B2 (en) * 2012-08-21 2014-10-28 Cognex Corporation Trainable handheld optical character recognition systems and methods
US9445109B2 (en) * 2012-10-16 2016-09-13 Microsoft Technology Licensing, Llc Color adaptation in video coding
US9277214B2 (en) * 2013-02-15 2016-03-01 Cisco Technology, Inc. Sub-picture hierarchical QP coding
GB2512826B (en) * 2013-04-05 2017-05-10 Canon Kk Method and device for determining the value of a quantization parameter
WO2014205730A1 (zh) * 2013-06-27 2014-12-31 北京大学深圳研究生院 Avs视频压缩编码方法及编码器
EP3039654A4 (en) * 2013-08-26 2017-04-05 Thomson Licensing Bit allocation scheme for repetitive structure discovery based 3d model compression
SE538512C2 (sv) * 2014-11-26 2016-08-30 Kelicomp Ab Improved compression and encryption of a file
US10298942B1 (en) * 2015-04-06 2019-05-21 Zpeg, Inc. Method and apparatus to process video sequences in transform space
US20160316220A1 (en) * 2015-04-21 2016-10-27 Microsoft Technology Licensing, Llc Video encoder management strategies
US10356408B2 (en) * 2015-11-27 2019-07-16 Canon Kabushiki Kaisha Image encoding apparatus and method of controlling the same
EP3488610A4 (en) * 2016-07-22 2019-07-17 Sharp Kabushiki Kaisha SYSTEMS AND METHOD FOR CODING VIDEO DATA BY ADAPTIVE COMPONENT CALING
EP3349451A1 (en) * 2017-01-11 2018-07-18 Thomson Licensing Method and apparatus for selecting a coding mode used for encoding/decoding a residual block
JP6986868B2 (ja) * 2017-06-19 2021-12-22 キヤノン株式会社 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、プログラム
US11082717B2 (en) * 2017-07-05 2021-08-03 Onesubsea Ip Uk Limited Data compression for communication in subsea oil and gas systems
US10368071B2 (en) * 2017-11-03 2019-07-30 Arm Limited Encoding data arrays
KR102551317B1 (ko) 2018-02-26 2023-07-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 선택적 양자화 파라미터 송신
WO2019174884A1 (en) * 2018-03-16 2019-09-19 Inveox Gmbh Automated identification, orientation and sample detection of a sample container
CN111937383B (zh) * 2018-03-30 2023-08-01 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
GB2575121B (en) 2018-06-29 2022-12-28 Imagination Tech Ltd Guaranteed data compression
JP2020150338A (ja) 2019-03-11 2020-09-17 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
CN116760984A (zh) * 2019-04-26 2023-09-15 华为技术有限公司 用于指示色度量化参数映射函数的方法和装置
US11757814B2 (en) * 2019-04-28 2023-09-12 Isaac Ellsworth Media sharing application
GB2586516B (en) * 2019-08-23 2022-07-06 Imagination Tech Ltd Random accessible image data compression
US11626983B1 (en) * 2019-09-10 2023-04-11 Wells Fargo Bank, N.A. Systems and methods for post-quantum cryptography optimization
GB2599893A (en) * 2020-10-06 2022-04-20 Murata Manufacturing Co Isolated DC-DC converter

Family Cites Families (478)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE17095E (en) 1922-10-19 1928-10-02 small
GB897363A (en) 1958-08-13 1962-05-23 Harries Television Res Ltd Improvements in or relating to display devices
GB1218015A (en) 1967-03-13 1971-01-06 Nat Res Dev Improvements in or relating to systems for transmitting television signals
US4460924A (en) 1978-04-19 1984-07-17 Quanticon Inc. Dither quantized signalling for color television
US4334244A (en) 1980-07-28 1982-06-08 Magnavox Government And Industrial Electronics Company Adaptive image enhancement system
FR2532138B1 (fr) * 1982-08-20 1986-10-10 Thomson Csf Procede de compression de debit de donnees successivement transmises entre un emetteur et un recepteur de television et systeme mettant en oeuvre le procede
FR2562364B1 (fr) 1984-04-03 1987-06-19 Thomson Csf Procede et systeme de compression de debit de donnees numeriques transmises entre un emetteur et un recepteur de television
CA1327074C (en) 1985-02-28 1994-02-15 Tokumichi Murakami Interframe adaptive vector quantization encoding apparatus and video encoding transmission apparatus
WO1987004033A1 (en) 1985-12-24 1987-07-02 British Broadcasting Corporation Method of coding a video signal for transmission in a restricted bandwidth
US4760461A (en) 1986-02-28 1988-07-26 Kabushiki Kaisha Toshiba Binary data compression and expansion processing apparatus
DE3735349A1 (de) * 1986-10-18 1988-04-28 Toshiba Kawasaki Kk Bildpresservorrichtung
JP2783534B2 (ja) * 1986-11-13 1998-08-06 キヤノン株式会社 符号化装置
NL8700565A (nl) 1987-03-10 1988-10-03 Philips Nv Televisiesysteem waarin aan een transformatiekodering onderworpen gedigitaliseerde beeldsignalen worden overgebracht van een kodeerstation naar een dekodeerstation.
US4774574A (en) 1987-06-02 1988-09-27 Eastman Kodak Company Adaptive block transform image coding method and apparatus
US6563875B2 (en) * 1987-12-30 2003-05-13 Thomson Licensing S.A. Adaptive method of encoding and decoding a series of pictures by transformation, and devices for implementing this method
CA1333420C (en) 1988-02-29 1994-12-06 Tokumichi Murakami Vector quantizer
JPH0666948B2 (ja) 1988-02-29 1994-08-24 三菱電機株式会社 フレーム間ベクトル量子化符号化復号化装置
US4821119A (en) * 1988-05-04 1989-04-11 Bell Communications Research, Inc. Method and apparatus for low bit-rate interframe video coding
US4965830A (en) 1989-01-17 1990-10-23 Unisys Corp. Apparatus for estimating distortion resulting from compressing digital data
JPH0832047B2 (ja) 1989-04-28 1996-03-27 日本ビクター株式会社 予測符号化装置
US5128758A (en) 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5179442A (en) * 1989-06-02 1993-01-12 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5241395A (en) 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
GB8918559D0 (en) 1989-08-15 1989-09-27 British Telecomm Video filter
JPH0828875B2 (ja) 1989-08-21 1996-03-21 三菱電機株式会社 符号化装置および復号化装置
US5144426A (en) 1989-10-13 1992-09-01 Matsushita Electric Industrial Co., Ltd. Motion compensated prediction interframe coding system
US5210623A (en) 1989-12-21 1993-05-11 Eastman Kodak Company Apparatus and method for quantizing and/or reconstructing multi-dimensional digital image signals
JP2841765B2 (ja) 1990-07-13 1998-12-24 日本電気株式会社 適応ビット割当て方法及び装置
JP3069363B2 (ja) * 1990-07-20 2000-07-24 株式会社日立製作所 動画像符号化方法、動画像符号化装置、データ記録装置およびデータ通信装置
US5146324A (en) 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
US5303058A (en) * 1990-10-22 1994-04-12 Fujitsu Limited Data processing apparatus for compressing and reconstructing image data
JPH0813138B2 (ja) 1990-11-28 1996-02-07 松下電器産業株式会社 画像符号化装置
US5136377A (en) 1990-12-11 1992-08-04 At&T Bell Laboratories Adaptive non-linear quantizer
US5625714A (en) 1991-01-10 1997-04-29 Olympus Optical Co., Ltd. Image signal decoding device capable of removing block distortion with simple structure
JP3187852B2 (ja) 1991-02-08 2001-07-16 ソニー株式会社 高能率符号化方法
US5333212A (en) 1991-03-04 1994-07-26 Storm Technology Image compression technique with regionally selective compression ratio
US5317672A (en) 1991-03-05 1994-05-31 Picturetel Corporation Variable bit rate speech encoder
JP3278187B2 (ja) 1991-03-14 2002-04-30 三菱電機株式会社 動き適応型輝度信号色信号分離フィルタ
US5611038A (en) 1991-04-17 1997-03-11 Shaw; Venson M. Audio/video transceiver provided with a device for reconfiguration of incompatibly received or transmitted video and audio information
EP0514688A2 (en) 1991-05-21 1992-11-25 International Business Machines Corporation Generalized shape autocorrelation for shape acquisition and recognition
EP0514663A3 (en) * 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
WO1992022166A1 (en) 1991-06-04 1992-12-10 Qualcomm Incorporated Adaptive block size image compression method and system
JP3152765B2 (ja) 1991-10-31 2001-04-03 株式会社東芝 画像符号化装置
TW241350B (xx) 1991-11-07 1995-02-21 Rca Thomson Licensing Corp
US5231484A (en) 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
US5253058A (en) 1992-04-01 1993-10-12 Bell Communications Research, Inc. Efficient coding scheme for multilevel video transmission
JP3245977B2 (ja) 1992-06-30 2002-01-15 ソニー株式会社 ディジタル画像信号の伝送装置
KR0132895B1 (ko) 1992-07-24 1998-10-01 강진구 적응 양자화 기능을 갖는 영상압축 및 신장방법과 그 장치
GB9216659D0 (en) 1992-08-05 1992-09-16 Gerzon Michael A Subtractively dithered digital waveform coding system
JPH0686264A (ja) 1992-08-31 1994-03-25 Hitachi Ltd 可変速度画像符号化方式
JP3348310B2 (ja) 1992-09-28 2002-11-20 ソニー株式会社 動画像符号化方法および動画像符号化装置
US5663763A (en) 1992-10-29 1997-09-02 Sony Corp. Picture signal encoding method and apparatus and picture signal decoding method and apparatus
KR0166722B1 (ko) 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
JP3406336B2 (ja) * 1992-12-15 2003-05-12 ソニー株式会社 画像符号化装置、画像符号化方法、画像復号化装置、および画像復号化方法
US5467134A (en) 1992-12-22 1995-11-14 Microsoft Corporation Method and system for compressing video data
US5544286A (en) 1993-01-29 1996-08-06 Microsoft Corporation Digital video data compression technique
TW224553B (en) * 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
US5412429A (en) 1993-03-11 1995-05-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Picture data compression coder using subband/transform coding with a Lempel-Ziv-based coder
US5510785A (en) * 1993-03-19 1996-04-23 Sony Corporation Method of coding a digital signal, method of generating a coding table, coding apparatus and coding method
DE69424591T2 (de) 1993-03-29 2001-01-18 Canon K.K., Tokio/Tokyo Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung desselben.
JPH06296275A (ja) 1993-04-08 1994-10-21 Sony Corp 画像信号符号化方法及び画像信号符号化装置
KR960010196B1 (ko) 1993-06-04 1996-07-26 배순훈 인간의 시각특성을 이용한 디씨(dc) 변환계수 양자화기
US5880775A (en) * 1993-08-16 1999-03-09 Videofaxx, Inc. Method and apparatus for detecting changes in a video display
GB2281465B (en) 1993-08-27 1997-06-04 Sony Uk Ltd Image data compression
US5509089A (en) 1993-09-09 1996-04-16 Intel Corporation Method and system for encoding images using temporal filtering
US5724097A (en) * 1993-10-18 1998-03-03 Mitsubishi Denki Kabushiki Kaisha Adaptive quantization of video based on edge detection
US6104751A (en) 1993-10-29 2000-08-15 Sgs-Thomson Microelectronics S.A. Apparatus and method for decompressing high definition pictures
BE1007807A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
US5828786A (en) 1993-12-02 1998-10-27 General Instrument Corporation Analyzer and methods for detecting and processing video data types in a video data stream
JP3224465B2 (ja) 1993-12-22 2001-10-29 シャープ株式会社 画像符号化装置
US5537440A (en) 1994-01-07 1996-07-16 Motorola, Inc. Efficient transcoding device and method
KR0183688B1 (ko) 1994-01-12 1999-05-01 김광호 영상부호화방법 및 장치
US5587708A (en) 1994-01-19 1996-12-24 Industrial Technology Research Institute Division technique unified quantizer-dequantizer
US5592226A (en) 1994-01-26 1997-01-07 Btg Usa Inc. Method and apparatus for video data compression using temporally adaptive motion interpolation
JP3197420B2 (ja) 1994-01-31 2001-08-13 三菱電機株式会社 画像符号化装置
JPH07250327A (ja) 1994-03-08 1995-09-26 Matsushita Electric Ind Co Ltd 画像符号化方法
US5654760A (en) 1994-03-30 1997-08-05 Sony Corporation Selection of quantization step size in accordance with predicted quantization noise
US5649083A (en) 1994-04-15 1997-07-15 Hewlett-Packard Company System and method for dithering and quantizing image data to optimize visual quality of a color recovered image
WO1995029462A1 (en) 1994-04-22 1995-11-02 Sony Corporation Method and device for encoding image signal and image signal decoding device
KR0148154B1 (ko) 1994-06-15 1998-09-15 김광호 움직임크기에 따른 동영상데이타의 부호화방법 및 장치
JP3954656B2 (ja) 1994-09-29 2007-08-08 ソニー株式会社 画像符号化装置及び方法
US5604856A (en) 1994-10-13 1997-02-18 Microsoft Corporation Motion compensated noise reduction method and system for computer generated images
US5802213A (en) 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
US6026190A (en) 1994-10-31 2000-02-15 Intel Corporation Image signal encoding with variable low-pass filter
US5539469A (en) 1994-12-30 1996-07-23 Daewoo Electronics Co., Ltd. Apparatus for determining motion vectors through the use of an adaptive median filtering technique
JP2738325B2 (ja) 1995-01-24 1998-04-08 日本電気株式会社 動き補償フレーム間予測装置
US5724456A (en) * 1995-03-31 1998-03-03 Polaroid Corporation Brightness adjustment of images using digital scene analysis
US5781788A (en) 1995-05-08 1998-07-14 Avc Technology, Inc. Full duplex single clip video codec
US5623424A (en) * 1995-05-08 1997-04-22 Kabushiki Kaisha Toshiba Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels
US5835149A (en) 1995-06-06 1998-11-10 Intel Corporation Bit allocation in a coded video sequence
JPH08336139A (ja) 1995-06-08 1996-12-17 Casio Comput Co Ltd 画像データ処理装置および量子化方法
US5926209A (en) 1995-07-14 1999-07-20 Sensormatic Electronics Corporation Video camera apparatus with compression system responsive to video camera adjustment
US5793371A (en) * 1995-08-04 1998-08-11 Sun Microsystems, Inc. Method and apparatus for geometric compression of three-dimensional graphics data
KR100304660B1 (ko) * 1995-09-22 2001-11-22 윤종용 누적에러처리를통한비디오신호부호화방법및부호화기
US6026182A (en) 1995-10-05 2000-02-15 Microsoft Corporation Feature segmentation
CA2187044C (en) 1995-10-06 2003-07-01 Vishal Markandey Method to reduce perceptual contouring in display systems
US5835495A (en) 1995-10-11 1998-11-10 Microsoft Corporation System and method for scaleable streamed audio transmission over a network
US5819035A (en) 1995-10-20 1998-10-06 Matsushita Electric Industrial Co., Ltd. Post-filter for removing ringing artifacts of DCT coding
US6160846A (en) 1995-10-25 2000-12-12 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system
US6571019B1 (en) 1995-10-26 2003-05-27 Hyundai Curitel, Inc Apparatus and method of encoding/decoding a coded block pattern
US5926791A (en) 1995-10-26 1999-07-20 Sony Corporation Recursively splitting the low-frequency band with successively fewer filter taps in methods and apparatuses for sub-band encoding, decoding, and encoding and decoding
WO1997021302A1 (en) 1995-12-08 1997-06-12 Trustees Of Dartmouth College Fast lossy internet image transmission apparatus and methods
US5761088A (en) 1995-12-18 1998-06-02 Philips Electronics North America Corporation Method and apparatus for channel identification using incomplete or noisy information
US5878166A (en) * 1995-12-26 1999-03-02 C-Cube Microsystems Field frame macroblock encoding decision
JP3067628B2 (ja) 1996-01-19 2000-07-17 日本電気株式会社 画像符号化装置
US5799113A (en) 1996-01-19 1998-08-25 Microsoft Corporation Method for expanding contracted video images
US5787203A (en) 1996-01-19 1998-07-28 Microsoft Corporation Method and system for filtering compressed video images
US5835145A (en) 1996-01-19 1998-11-10 Lsi Logic Corporation Conversion system using programmable tables for compressing transform coefficients
US5731837A (en) * 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems
JP3521596B2 (ja) 1996-01-30 2004-04-19 ソニー株式会社 信号符号化方法
US6957350B1 (en) * 1996-01-30 2005-10-18 Dolby Laboratories Licensing Corporation Encrypted and watermarked temporal and resolution layering in advanced television
US5682152A (en) * 1996-03-19 1997-10-28 Johnson-Grace Company Data compression using adaptive bit allocation and hybrid lossless entropy encoding
US5786856A (en) 1996-03-19 1998-07-28 International Business Machines Method for adaptive quantization by multiplication of luminance pixel blocks by a modified, frequency ordered hadamard matrix
US5764814A (en) 1996-03-22 1998-06-09 Microsoft Corporation Representation and encoding of general arbitrary shapes
US5764803A (en) 1996-04-03 1998-06-09 Lucent Technologies Inc. Motion-adaptive modelling of scene content for very low bit rate model-assisted coding of video sequences
US5850482A (en) 1996-04-17 1998-12-15 Mcdonnell Douglas Corporation Error resilient method and apparatus for entropy coding
US5739861A (en) * 1996-05-06 1998-04-14 Music; John D. Differential order video encoding system
US5815097A (en) 1996-05-23 1998-09-29 Ricoh Co. Ltd. Method and apparatus for spatially embedded coding
DE69709912T2 (de) 1996-05-28 2002-08-22 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Bildvorhersage und -decodierung
US5809178A (en) 1996-06-11 1998-09-15 Apple Computer, Inc. Elimination of visible quantizing artifacts in a digital image utilizing a critical noise/quantizing factor
US6865291B1 (en) * 1996-06-24 2005-03-08 Andrew Michael Zador Method apparatus and system for compressing data that wavelet decomposes by color plane and then divides by magnitude range non-dc terms between a scalar quantizer and a vector quantizer
CA2208950A1 (en) 1996-07-03 1998-01-03 Xuemin Chen Rate control for stereoscopic digital video encoding
KR100242637B1 (ko) * 1996-07-06 2000-02-01 윤종용 동보상된 영상의 블록화효과 및 링잉노이즈 감소를 위한 루프필터링방법
EP0859511B1 (en) * 1996-08-30 2008-09-24 Sony Corporation Device and method for recording still pictures and animations
CN1125566C (zh) 1996-09-06 2003-10-22 索尼公司 数据编码方法和数据编码设备
FR2753330B1 (fr) 1996-09-06 1998-11-27 Thomson Multimedia Sa Procede de quantification pour codage video
KR100297830B1 (ko) 1996-11-09 2001-08-07 윤종용 영상단위별 비트발생량 조절 장치 및 방법
US6233017B1 (en) * 1996-09-16 2001-05-15 Microsoft Corporation Multimedia compression system with adaptive block sizes
GB2317525B (en) * 1996-09-20 2000-11-08 Nokia Mobile Phones Ltd A video coding system
JPH10107644A (ja) * 1996-09-26 1998-04-24 Sony Corp 量子化装置および方法、並びに、符号化装置および方法
JP3934712B2 (ja) 1996-09-27 2007-06-20 日本ビクター株式会社 映像信号符号化方法及び装置
KR100303685B1 (ko) * 1996-09-30 2001-09-24 송문섭 영상 예측부호화 장치 및 그 방법
GB2318472B (en) 1996-10-09 2000-11-15 Sony Uk Ltd Processing encoded signals
KR100198788B1 (ko) * 1996-12-09 1999-06-15 정선종 차동 펄스 부호 변조기를 포함한 양자화/역양자화 회로
JP4032446B2 (ja) 1996-12-12 2008-01-16 ソニー株式会社 映像データ圧縮装置およびその方法
KR100355324B1 (ko) 1996-12-12 2002-11-18 마쯔시다덴기산교 가부시키가이샤 화상부호화장치및화상복호화장치
JPH10174103A (ja) * 1996-12-13 1998-06-26 Matsushita Electric Ind Co Ltd 画像符号化装置、符号化画像記録媒体、画像復号化装置、画像符号化方法、および符号化画像伝送方法
US6243497B1 (en) 1997-02-12 2001-06-05 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system
US6347116B1 (en) * 1997-02-14 2002-02-12 At&T Corp. Non-linear quantizer for video coding
CA2279923C (en) 1997-02-14 2004-04-06 Nippon Telegraph And Telephone Corporation Predictive coding method and decoding method for dynamic image
US5969764A (en) 1997-02-14 1999-10-19 Mitsubishi Electric Information Technology Center America, Inc. Adaptive video coding method
US6373894B1 (en) * 1997-02-18 2002-04-16 Sarnoff Corporation Method and apparatus for recovering quantized coefficients
US6115420A (en) 1997-03-14 2000-09-05 Microsoft Corporation Digital video signal encoder and encoding method
US6118817A (en) 1997-03-14 2000-09-12 Microsoft Corporation Digital video signal encoder and encoding method having adjustable quantization
US5844613A (en) 1997-03-17 1998-12-01 Microsoft Corporation Global motion estimator for motion video signal encoding
US6633611B2 (en) * 1997-04-24 2003-10-14 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for region-based moving image encoding and decoding
US6058215A (en) 1997-04-30 2000-05-02 Ricoh Company, Ltd. Reversible DCT for lossless-lossy compression
US5959693A (en) 1997-05-07 1999-09-28 General Instrument Corporation Pixel adaptive noise reduction filter for digital video
US6088392A (en) 1997-05-30 2000-07-11 Lucent Technologies Inc. Bit rate coder for differential quantization
JP3617253B2 (ja) 1997-06-03 2005-02-02 富士ゼロックス株式会社 画像符号化装置および方法
FI107496B (fi) 1997-07-18 2001-08-15 Nokia Mobile Phones Ltd Kuvan kompressointi
JPH1141610A (ja) 1997-07-24 1999-02-12 Nippon Telegr & Teleph Corp <Ntt> 可変速度符号化制御方法及び装置
US6281942B1 (en) 1997-08-11 2001-08-28 Microsoft Corporation Spatial and temporal filtering mechanism for digital motion video signals
KR100244290B1 (ko) 1997-09-09 2000-02-01 구자홍 저속 전송에서의 동영상을 위한 디블록킹 필터링 방법
US6091777A (en) 1997-09-18 2000-07-18 Cubic Video Technologies, Inc. Continuously adaptive digital video compression system and method for a web streamer
US6295379B1 (en) 1997-09-29 2001-09-25 Intel Corporation DPCM image compression with plural quantization table levels
AU1062999A (en) * 1997-09-29 1999-04-23 Rockwell Semiconductor Systems, Inc. System and method for compressing images using multi-threshold wavelet coding
WO1999022524A1 (en) * 1997-10-23 1999-05-06 Mitsubishi Denki Kabushiki Kaisha Image decoder, image encoder, image communication system, and encoded bit stream converter
US6493385B1 (en) 1997-10-23 2002-12-10 Mitsubishi Denki Kabushiki Kaisha Image encoding method, image encoder, image decoding method, and image decoder
JP4531871B2 (ja) 1997-10-30 2010-08-25 富士通セミコンダクター株式会社 画像情報処理装置及び符号装置
WO1999025121A1 (en) * 1997-11-07 1999-05-20 Pipe Dream, Inc. Method for compressing and decompressing motion video
US6731811B1 (en) 1997-12-19 2004-05-04 Voicecraft, Inc. Scalable predictive coding method and apparatus
US6873368B1 (en) 1997-12-23 2005-03-29 Thomson Licensing Sa. Low noise encoding and decoding method
KR100243430B1 (ko) 1997-12-31 2000-02-01 구자홍 적응형 양자화 제어방법
US6275527B1 (en) * 1998-01-14 2001-08-14 Conexant Systems, Inc. Pre-quantization in motion compensated video coding
US6654417B1 (en) 1998-01-26 2003-11-25 Stmicroelectronics Asia Pacific Pte. Ltd. One-pass variable bit rate moving pictures encoding
EP0932306A3 (en) 1998-01-27 2003-05-28 AT&T Corp. Method and apparatus for encoding video shape and texture information
JP3462066B2 (ja) 1998-01-29 2003-11-05 株式会社東芝 Ａｄｐｃｍ圧縮装置、ａｄｐｃｍ伸長装置及びａｄｐｃｍ圧縮伸長装置
US6360017B1 (en) * 1998-03-05 2002-03-19 Lucent Technologies Inc. Perceptual-based spatio-temporal segmentation for motion estimation
US6249614B1 (en) 1998-03-06 2001-06-19 Alaris, Inc. Video compression and decompression using dynamic quantization and/or encoding
KR100281463B1 (ko) 1998-03-14 2001-02-01 전주범 물체 기반 부호화 시스템의 보조 정보 부호화 장치
TW501022B (en) 1998-03-16 2002-09-01 Mitsubishi Electric Corp Moving picture coding system
US6278735B1 (en) 1998-03-19 2001-08-21 International Business Machines Corporation Real-time single pass variable bit rate control strategy and encoder
US6125147A (en) 1998-05-07 2000-09-26 Motorola, Inc. Method and apparatus for reducing breathing artifacts in compressed video
US6115689A (en) 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
US6285774B1 (en) 1998-06-08 2001-09-04 Digital Video Express, L.P. System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies
US7313318B2 (en) * 1998-06-17 2007-12-25 Victor Company Of Japan, Limited Video signal encoding and recording apparatus with variable transmission rate
US6212232B1 (en) * 1998-06-18 2001-04-03 Compaq Computer Corporation Rate control and bit allocation for low bit rate video communication applications
JP2000013794A (ja) 1998-06-23 2000-01-14 Mitsubishi Electric Corp 動画像符号化装置、動画像符号化方法、動画像復号装置、および動画像復号方法
US6275614B1 (en) 1998-06-26 2001-08-14 Sarnoff Corporation Method and apparatus for block classification and adaptive bit allocation
US6411651B1 (en) 1998-06-26 2002-06-25 Compaq Information Technologies Group, L.P. Method and system for distributed video compression in personal computer architecture
US20020001412A1 (en) 1998-07-21 2002-01-03 Hewlett-Packard Company System for variable quantization in jpeg for compound documents
RU2154918C1 (ru) 1998-08-01 2000-08-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для цикл-фильтрации данных изображения
US6389171B1 (en) 1998-08-14 2002-05-14 Apple Computer, Inc. Method and apparatus for a digital video cassette (DVC) decode system
US6219838B1 (en) 1998-08-24 2001-04-17 Sharewave, Inc. Dithering logic for the display of video information
KR100281967B1 (ko) 1998-08-31 2001-02-15 전주범 공간 상관성을 이용한 영상 부호화 장치 및 그 방법
US6380985B1 (en) 1998-09-14 2002-04-30 Webtv Networks, Inc. Resizing and anti-flicker filtering in reduced-size video images
US6256423B1 (en) 1998-09-18 2001-07-03 Sarnoff Corporation Intra-frame quantizer selection for video compression
US6546049B1 (en) 1998-10-05 2003-04-08 Sarnoff Corporation Parameterized quantization matrix adaptation for video encoding
AU743246B2 (en) 1998-11-04 2002-01-24 Mitsubishi Denki Kabushiki Kaisha Image decoder and image encoder
US6393155B1 (en) 1998-11-04 2002-05-21 International Business Machines Corporation Error reduction in transformed digital data
US6256422B1 (en) 1998-11-04 2001-07-03 International Business Machines Corporation Transform-domain correction of real-domain errors
US6584154B1 (en) 1998-11-26 2003-06-24 Oki Electric Industry Co., Ltd. Moving-picture coding and decoding method and apparatus with reduced computational cost
US6983018B1 (en) * 1998-11-30 2006-01-03 Microsoft Corporation Efficient motion vector coding for video compression
US6418166B1 (en) 1998-11-30 2002-07-09 Microsoft Corporation Motion estimation and block matching pattern
US6223162B1 (en) * 1998-12-14 2001-04-24 Microsoft Corporation Multi-level run length coding for frequency-domain audio coding
US6473534B1 (en) 1999-01-06 2002-10-29 Hewlett-Packard Company Multiplier-free implementation of DCT used in image and video processing and compression
US6760482B1 (en) 1999-02-19 2004-07-06 Unisearch Limited Method for visual optimisation of embedded block codes to exploit visual masking phenomena
US6473409B1 (en) 1999-02-26 2002-10-29 Microsoft Corp. Adaptive filtering system and method for adaptively canceling echoes and reducing noise in digital signals
CA2280662A1 (en) 1999-05-21 2000-11-21 Joe Toth Media server with multi-dimensional scalable data compression
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
FR2794563B1 (fr) 1999-06-04 2002-08-16 Thomson Multimedia Sa Procede d'adressage de panneau d'affichage au plasma
US6625215B1 (en) 1999-06-07 2003-09-23 Lucent Technologies Inc. Methods and apparatus for context-based inter/intra coding mode selection
FI111764B (fi) 1999-06-10 2003-09-15 Nokia Corp Menetelmä ja järjestely kuvatiedon käsittelemiseksi
US6490319B1 (en) 1999-06-22 2002-12-03 Intel Corporation Region of interest video coding
JP2001008215A (ja) 1999-06-24 2001-01-12 Victor Co Of Japan Ltd 動画像符号化装置及びその方法
JP2001016594A (ja) 1999-06-29 2001-01-19 Hitachi Ltd 動画像の動き補償方法
US6263022B1 (en) 1999-07-06 2001-07-17 Philips Electronics North America Corp. System and method for fine granular scalable video with selective quality enhancement
EP1114555A1 (en) * 1999-07-20 2001-07-11 Koninklijke Philips Electronics N.V. Encoding method for the compression of a video sequence
US6408026B1 (en) 1999-08-06 2002-06-18 Sony Corporation Deadzone quantization method and apparatus for image compression
FI107495B (fi) * 1999-08-13 2001-08-15 Nokia Multimedia Network Termi Menetelmä ja järjestely koodatun digitaalisen kuvabittivirran volyymin tai tahdin pienentämiseksi
JP2001136535A (ja) 1999-08-25 2001-05-18 Fuji Xerox Co Ltd 画像符号化装置および量子化特性決定装置
US6788740B1 (en) 1999-10-01 2004-09-07 Koninklijke Philips Electronics N.V. System and method for encoding and decoding enhancement layer data using base layer quantization data
JP4562051B2 (ja) 1999-11-30 2010-10-13 独立行政法人産業技術総合研究所 損耗センサ付き切削工具の信号処理装置および信号処理方法
WO2001041156A1 (en) * 1999-12-01 2001-06-07 Ivast, Inc. Optimized bifs encoder
US6765962B1 (en) 1999-12-02 2004-07-20 Sarnoff Corporation Adaptive selection of quantization scales for video encoding
US6456744B1 (en) 1999-12-30 2002-09-24 Quikcat.Com, Inc. Method and apparatus for video compression using sequential frame cellular automata transforms
CN1199468C (zh) 2000-01-12 2005-04-27 皇家菲利浦电子有限公司 图像数据压缩
US6738423B1 (en) 2000-01-21 2004-05-18 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
FI116819B (fi) 2000-01-21 2006-02-28 Nokia Corp Menetelmä kuvien lähettämiseksi ja kuvakooderi
US6600836B1 (en) 2000-01-28 2003-07-29 Qualcomm, Incorporated Quality based image compression
JP2001245303A (ja) 2000-02-29 2001-09-07 Toshiba Corp 動画像符号化装置および動画像符号化方法
US7035473B1 (en) 2000-03-01 2006-04-25 Sharp Laboratories Of America, Inc. Distortion-adaptive visual frequency weighting
JP4254017B2 (ja) * 2000-03-10 2009-04-15 ソニー株式会社 画像符号化装置及び方法
KR20020026198A (ko) 2000-04-27 2002-04-06 요트.게.아. 롤페즈 비디오 압축
US7289154B2 (en) 2000-05-10 2007-10-30 Eastman Kodak Company Digital image processing method and apparatus for brightness adjustment of digital images
US6876703B2 (en) * 2000-05-11 2005-04-05 Ub Video Inc. Method and apparatus for video coding
US6747660B1 (en) 2000-05-12 2004-06-08 Microsoft Corporation Method and system for accelerating noise
US6873654B1 (en) * 2000-05-16 2005-03-29 Redrock Semiconductor, Inc Method and system for predictive control for live streaming video/audio media
JP2001358948A (ja) 2000-06-15 2001-12-26 Canon Inc 画像処理方法及び装置
US7023922B1 (en) 2000-06-21 2006-04-04 Microsoft Corporation Video coding system and method using 3-D discrete wavelet transform and entropy coding with motion information
US6593925B1 (en) 2000-06-22 2003-07-15 Microsoft Corporation Parameterized animation compression methods and arrangements
US7177358B2 (en) 2000-06-27 2007-02-13 Mitsubishi Denki Kabushiki Kaisha Picture coding apparatus, and picture coding method
WO2002005562A2 (en) * 2000-07-11 2002-01-17 Mediaflow, Llc Video compression using adaptive selection of groups of frames, adaptive bit allocation, and adaptive replenishment
WO2002007438A1 (en) 2000-07-17 2002-01-24 Trustees Of Boston University Generalized lapped biorthogonal transform embedded inverse discrete cosine transform and low bit rate video sequence coding artifact removal
JP4256574B2 (ja) 2000-08-04 2009-04-22 富士通株式会社 画像信号符号化方法および画像信号符号化装置
JP3825615B2 (ja) 2000-08-11 2006-09-27 株式会社東芝 動画像符号化装置および動画像符号化方法およびプログラムを記録した媒体
JP3561485B2 (ja) 2000-08-18 2004-09-02 株式会社メディアグルー 符号化信号分離・合成装置、差分符号化信号生成装置、符号化信号分離・合成方法、差分符号化信号生成方法、符号化信号分離・合成プログラムを記録した媒体および差分符号化信号生成プログラムを記録した媒体
US6678422B1 (en) * 2000-08-30 2004-01-13 National Semiconductor Corporation Method and apparatus for image data compression with low memory requirement
US6834080B1 (en) * 2000-09-05 2004-12-21 Kabushiki Kaisha Toshiba Video encoding method and video encoding apparatus
US6748020B1 (en) 2000-10-25 2004-06-08 General Instrument Corporation Transcoder-multiplexer (transmux) software architecture
KR100355829B1 (ko) 2000-12-13 2002-10-19 엘지전자 주식회사 영상의 공간적 유사성을 이용한 ｄｐｃｍ 영상 부호화 장치
US7058127B2 (en) 2000-12-27 2006-06-06 International Business Machines Corporation Method and system for video transcoding
WO2002054777A1 (en) 2000-12-28 2002-07-11 Koninklijke Philips Electronics N.V. Mpeg-2 down-sampled video generation
US7072525B1 (en) 2001-02-16 2006-07-04 Yesvideo, Inc. Adaptive filtering of visual image using auxiliary image information
US6757429B2 (en) * 2001-02-21 2004-06-29 Boly Media Communications Inc. Method of compressing digital images
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
FR2822284B1 (fr) 2001-03-13 2004-01-02 Thomson Multimedia Sa Procede d'affichage d'images video sur panneau d'affichage a plasma et panneaux d'affichage a plasma correspondant
US6831947B2 (en) 2001-03-23 2004-12-14 Sharp Laboratories Of America, Inc. Adaptive quantization based on bit rate prediction and prediction error energy
US6832005B2 (en) * 2001-03-23 2004-12-14 Microsoft Corporation Adaptive encoding and decoding of bi-level images
JPWO2002080575A1 (ja) 2001-03-29 2004-07-22 ソニー株式会社 画像処理装置、画像処理方法、画像処理プログラムおよび記録媒体
US6687294B2 (en) * 2001-04-27 2004-02-03 Koninklijke Philips Electronics N.V. Distortion quantizer model for video encoding
US7206453B2 (en) 2001-05-03 2007-04-17 Microsoft Corporation Dynamic filtering for lossy compression
US6882753B2 (en) * 2001-06-04 2005-04-19 Silicon Integrated Systems Corp. Adaptive quantization using code length in image compression
US6909745B1 (en) 2001-06-05 2005-06-21 At&T Corp. Content adaptive video encoder
US6704718B2 (en) * 2001-06-05 2004-03-09 Microsoft Corporation System and method for trainable nonlinear prediction of transform coefficients in data compression
US20030189980A1 (en) 2001-07-02 2003-10-09 Moonlight Cordless Ltd. Method and apparatus for motion estimation between video frames
KR100452317B1 (ko) * 2001-07-11 2004-10-12 삼성전자주식회사 포토리소그래피 공정시스템 및 그 방법
US6975680B2 (en) 2001-07-12 2005-12-13 Dolby Laboratories, Inc. Macroblock mode decision biasing for video compression systems
US20030112863A1 (en) * 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
US7042941B1 (en) 2001-07-17 2006-05-09 Vixs, Inc. Method and apparatus for controlling amount of quantization processing in an encoder
US7801215B2 (en) 2001-07-24 2010-09-21 Sasken Communication Technologies Limited Motion estimation technique for digital video encoding applications
US7079692B2 (en) * 2001-07-24 2006-07-18 Koninklijke Philips Electronics N.V. Reduced complexity video decoding by reducing the IDCT computation in B-frames
US6987889B1 (en) * 2001-08-10 2006-01-17 Polycom, Inc. System and method for dynamic perceptual coding of macroblocks in a video frame
US7110455B2 (en) 2001-08-14 2006-09-19 General Instrument Corporation Noise reduction pre-processor for digital video using previously generated motion vectors and adaptive spatial filtering
JP4392782B2 (ja) 2001-08-21 2010-01-06 Ｋｄｄｉ株式会社 低レート映像符号化における量子化制御方法
US6891889B2 (en) 2001-09-05 2005-05-10 Intel Corporation Signal to noise ratio optimization for video compression bit-rate control
US7440504B2 (en) 2001-09-24 2008-10-21 Broadcom Corporation Method and apparatus for performing deblocking filtering with interlace capability
US6977659B2 (en) 2001-10-11 2005-12-20 At & T Corp. Texture replacement in video sequences and images
US6992725B2 (en) 2001-10-22 2006-01-31 Nec Electronics America, Inc. Video data de-interlacing using perceptually-tuned interpolation scheme
US7107584B2 (en) 2001-10-23 2006-09-12 Microsoft Corporation Data alignment between native and non-native shared data structures
US6810083B2 (en) 2001-11-16 2004-10-26 Koninklijke Philips Electronics N.V. Method and system for estimating objective quality of compressed video data
KR100643453B1 (ko) 2001-11-17 2006-11-10 엘지전자 주식회사 오브젝트 기반 비트율 제어방법
US6993200B2 (en) 2001-11-20 2006-01-31 Sony Corporation System and method for effectively rendering high dynamic range images
ES2318055T3 (es) * 2001-11-29 2009-05-01 Panasonic Corporation Metodo de eliminacion de la distorsion de codificacion, metodo de codificacion de una señal de video, procedimiento de decodificacion de señales de video y dispositivo y procedimiento para la puesta en practica de estos procedimientos.
US7295609B2 (en) * 2001-11-30 2007-11-13 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
JP4254147B2 (ja) 2001-11-30 2009-04-15 ソニー株式会社 画像情報符号化方法及び装置、並びにプログラム及び記録媒体
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
ES2664270T3 (es) 2001-12-17 2018-04-18 Microsoft Technology Licensing, Llc Codificación por omisión de macrobloques
US6763068B2 (en) 2001-12-28 2004-07-13 Nokia Corporation Method and apparatus for selecting macroblock quantization parameters in a video encoder
US9031128B2 (en) 2001-12-31 2015-05-12 Stmicroelectronics Asia Pacific Pte Ltd. Video encoding
US6985529B1 (en) * 2002-01-07 2006-01-10 Apple Computer, Inc. Generation and use of masks in MPEG video encoding to indicate non-zero entries in transformed macroblocks
US20030128754A1 (en) 2002-01-09 2003-07-10 Hiroshi Akimoto Motion estimation method for control on the basis of scene analysis in video compression systems
US6647152B2 (en) 2002-01-25 2003-11-11 Thomson Licensing S.A. Method and system for contouring reduction
US20050105889A1 (en) 2002-03-22 2005-05-19 Conklin Gregory J. Video picture compression artifacts reduction via filtering and dithering
US7430303B2 (en) 2002-03-29 2008-09-30 Lockheed Martin Corporation Target detection method and system
US7116831B2 (en) 2002-04-10 2006-10-03 Microsoft Corporation Chrominance motion vector rounding
CN101232618B (zh) 2002-04-23 2013-03-27 诺基亚有限公司 用于在视频编码***中指示量化器参数的方法与设备
AU2003231102A1 (en) 2002-04-26 2003-11-10 Electronics And Telecommunications Research Institute Method and system for optimal video transcoding based on utility function descriptors
US7242713B2 (en) 2002-05-02 2007-07-10 Microsoft Corporation 2-D transforms for image and video coding
US7609767B2 (en) 2002-05-03 2009-10-27 Microsoft Corporation Signaling for fading compensation
US20030215011A1 (en) 2002-05-17 2003-11-20 General Instrument Corporation Method and apparatus for transcoding compressed video bitstreams
US7145948B2 (en) 2002-05-29 2006-12-05 Koninklijke Philips Electronics N.V. Entropy constrained scalar quantizer for a Laplace-Markov source
JP2004023288A (ja) 2002-06-13 2004-01-22 Kddi R & D Laboratories Inc 動画像符号化のための前処理方式
US6961376B2 (en) 2002-06-25 2005-11-01 General Instrument Corporation Methods and apparatus for rate control during dual pass encoding
US7280700B2 (en) 2002-07-05 2007-10-09 Microsoft Corporation Optimization techniques for data compression
US7599579B2 (en) * 2002-07-11 2009-10-06 Ge Medical Systems Global Technology Company, Llc Interpolated image filtering method and apparatus
JP2004056249A (ja) * 2002-07-17 2004-02-19 Sony Corp 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム
US6947045B1 (en) 2002-07-19 2005-09-20 At&T Corporation Coding of animated 3-D wireframe models for internet streaming applications: methods, systems and program products
US6975773B1 (en) * 2002-07-30 2005-12-13 Qualcomm, Incorporated Parameter selection in data compression and decompression
US6891548B2 (en) * 2002-08-23 2005-05-10 Hewlett-Packard Development Company, L.P. System and method for calculating a texture-mapping gradient
CN1679341A (zh) 2002-09-06 2005-10-05 皇家飞利浦电子股份有限公司 用于提高效率和差错恢复能力的内容自适应多重描述运动补偿
US6795584B2 (en) 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
US6807317B2 (en) 2002-10-25 2004-10-19 Motorola, Inc. Method and decoder system for reducing quantization effects of a decoded image
US7139437B2 (en) 2002-11-12 2006-11-21 Eastman Kodak Company Method and system for removing artifacts in compressed images
GB0228556D0 (en) * 2002-12-06 2003-01-15 British Telecomm Video quality measurement
US7099389B1 (en) 2002-12-10 2006-08-29 Tut Systems, Inc. Rate control with picture-based lookahead window
US8054880B2 (en) 2004-12-10 2011-11-08 Tut Systems, Inc. Parallel rate control for digital video encoder with multi-processor architecture and picture-based look-ahead window
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
KR20040058929A (ko) 2002-12-27 2004-07-05 삼성전자주식회사 Ｄｔｃ 기반의 개선된 동영상 부호화 방법 및 그 장치
KR100584552B1 (ko) 2003-01-14 2006-05-30 삼성전자주식회사 동영상 부호화 및 복호화 방법과 그 장치
US7212571B2 (en) 2003-01-31 2007-05-01 Seiko Epson Corporation Method and apparatus for DCT domain filtering for block based encoding
EP1445958A1 (en) 2003-02-05 2004-08-11 STMicroelectronics S.r.l. Quantization method and system, for instance for video MPEG applications, and computer program product therefor
KR100539923B1 (ko) 2003-02-10 2005-12-28 삼성전자주식회사 화상통화시 화자의 영상을 구분하여 차등적 부호화할 수있는 비디오 엔코더 및 이를 이용한 비디오신호의 압축방법
JP3984178B2 (ja) 2003-02-13 2007-10-03 日本電信電話株式会社 映像符号化方法、映像符号化装置、映像符号化プログラム及びそのプログラムを記録した記録媒体
US7227587B2 (en) 2003-03-05 2007-06-05 Broadcom Corporation System and method for three dimensional comb filtering
KR100977713B1 (ko) 2003-03-15 2010-08-24 삼성전자주식회사 영상신호의 글자 인식을 위한 전처리 장치 및 방법
SG140441A1 (en) 2003-03-17 2008-03-28 St Microelectronics Asia Decoder and method of decoding using pseudo two pass decoding and one pass encoding
KR20060105409A (ko) 2005-04-01 2006-10-11 엘지전자 주식회사 영상 신호의 스케일러블 인코딩 및 디코딩 방법
EP1465349A1 (en) 2003-03-31 2004-10-06 Interuniversitair Microelektronica Centrum Vzw Embedded multiple description scalar quantizers for progressive image transmission
EP1623577A1 (en) 2003-05-06 2006-02-08 Koninklijke Philips Electronics N.V. Encoding of video information using block based adaptive scan order
GB2401502B (en) 2003-05-07 2007-02-14 British Broadcasting Corp Data processing
US7512180B2 (en) 2003-06-25 2009-03-31 Microsoft Corporation Hierarchical data compression system and method for coding video data
US7418147B2 (en) * 2003-06-25 2008-08-26 Georgia Tech Research Corporation Cauchy-distribution based coding system and method
US7200277B2 (en) 2003-07-01 2007-04-03 Eastman Kodak Company Method for transcoding a JPEG2000 compressed image
US7194031B2 (en) * 2003-07-09 2007-03-20 Silicon Integrated Systems Corp. Rate control method with region of interesting support
JP4388771B2 (ja) * 2003-07-18 2009-12-24 三菱電機株式会社 動画像復号装置、および動画像復号方法
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7383180B2 (en) * 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US8218624B2 (en) 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7343291B2 (en) * 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7609763B2 (en) * 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US7738554B2 (en) * 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US7426308B2 (en) * 2003-07-18 2008-09-16 Microsoft Corporation Intraframe and interframe interlace coding and decoding
US20050013498A1 (en) * 2003-07-18 2005-01-20 Microsoft Corporation Coding of motion vector information
KR100520298B1 (ko) 2003-07-26 2005-10-13 삼성전자주식회사 디더링 방법 및 디더링 장치
US20050024487A1 (en) 2003-07-31 2005-02-03 William Chen Video codec system with real-time complexity adaptation and region-of-interest coding
US7158668B2 (en) 2003-08-01 2007-01-02 Microsoft Corporation Image processing using linear light values and other image processing improvements
KR100505699B1 (ko) * 2003-08-12 2005-08-03 삼성전자주식회사 실시간 가변 비트율 제어로 화질을 개선시키는 비디오인코더의 인코딩율 제어기, 이를 구비한 비디오 데이터전송 시스템 및 그 방법
TWI232681B (en) 2003-08-27 2005-05-11 Mediatek Inc Method of transforming one video output format into another video output format without degrading display quality
US7609762B2 (en) 2003-09-07 2009-10-27 Microsoft Corporation Signaling for entry point frames with predicted first field
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7924921B2 (en) 2003-09-07 2011-04-12 Microsoft Corporation Signaling coding and display options in entry point headers
JP5280003B2 (ja) * 2003-09-07 2013-09-04 マイクロソフト コーポレーション 映像コーデックにおけるスライス層
WO2005036886A1 (en) 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. Two-pass video encoding
US20050084013A1 (en) * 2003-10-15 2005-04-21 Limin Wang Frequency coefficient scanning paths
US8223844B2 (en) 2003-11-14 2012-07-17 Intel Corporation High frequency emphasis in decoding of encoded signals
US20050105612A1 (en) 2003-11-14 2005-05-19 Sung Chih-Ta S. Digital video stream decoding method and apparatus
JP4063205B2 (ja) 2003-11-20 2008-03-19 セイコーエプソン株式会社 画像データ圧縮装置及びエンコーダ
EP1536647A1 (en) 2003-11-26 2005-06-01 STMicroelectronics Limited A video decoding device
CN100342728C (zh) 2003-11-28 2007-10-10 联发科技股份有限公司 控制视频信号编码比特流的量化程度的方法与相关装置
JP2007513565A (ja) 2003-12-03 2007-05-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｍｐｅｇ−２システムにおいてスケーラビリティ・サポートを向上させたシステム及び方法
KR20050061762A (ko) 2003-12-18 2005-06-23 학교법인 대양학원 부호화 모드 결정방법, 움직임 추정방법 및 부호화 장치
US7391809B2 (en) 2003-12-30 2008-06-24 Microsoft Corporation Scalable video transcoding
US7471845B2 (en) 2004-01-06 2008-12-30 Sharp Laboratories Of America, Inc. De-ringing filter
WO2005065030A2 (en) 2004-01-08 2005-07-21 Videocodes, Inc. Video compression device and a method for compressing video
KR100556340B1 (ko) 2004-01-13 2006-03-03 (주)씨앤에스 테크놀로지 영상 부호화 장치
US7912122B2 (en) 2004-01-20 2011-03-22 Panasonic Corporation Picture coding method, picture decoding method, picture coding apparatus, picture decoding apparatus
US20050190836A1 (en) * 2004-01-30 2005-09-01 Jiuhuai Lu Process for maximizing the effectiveness of quantization matrices in video codec systems
ES2563295T3 (es) * 2004-01-30 2016-03-14 Panasonic Intellectual Property Corporation Of America Procedimiento de decodificación de imágenes en movimiento que utiliza matrices de cuantificación adicionales
US7492820B2 (en) 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
EP1564997A1 (en) 2004-02-12 2005-08-17 Matsushita Electric Industrial Co., Ltd. Encoding and decoding of video images based on a quantization with an adaptive dead-zone size
US8743956B2 (en) 2004-02-20 2014-06-03 Nec Corporation Image encoding method, device thereof, and control program thereof
JP4273996B2 (ja) 2004-02-23 2009-06-03 ソニー株式会社 画像符号化装置及び方法、並びに画像復号装置及び方法
JP2005260467A (ja) 2004-03-10 2005-09-22 Konica Minolta Opto Inc 画像処理装置
US8503542B2 (en) 2004-03-18 2013-08-06 Sony Corporation Methods and apparatus to reduce blocking noise and contouring effect in motion compensated compressed video
US7689051B2 (en) 2004-04-15 2010-03-30 Microsoft Corporation Predictive lossless coding of images and video
JP4476104B2 (ja) 2004-04-22 2010-06-09 三洋電機株式会社 符号化回路
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US20050259729A1 (en) 2004-05-21 2005-11-24 Shijun Sun Video coding with quality scalability
US20050276493A1 (en) 2004-06-01 2005-12-15 Jun Xin Selecting macroblock coding modes for video encoding
US20060018522A1 (en) * 2004-06-14 2006-01-26 Fujifilm Software(California), Inc. System and method applying image-based face recognition for online profile browsing
EP1766988A2 (en) 2004-06-18 2007-03-28 THOMSON Licensing Method and apparatus for video codec quantization
US20070230565A1 (en) 2004-06-18 2007-10-04 Tourapis Alexandros M Method and Apparatus for Video Encoding Optimization
US8249159B2 (en) 2004-06-23 2012-08-21 Agency For Science, Technology And Research Scalable video coding with grid motion estimation and compensation
JP4594688B2 (ja) * 2004-06-29 2010-12-08 オリンパス株式会社 画像符号化処理方法、画像復号化処理方法、動画圧縮処理方法、動画伸張処理方法、画像符号化処理プログラム、画像符号化装置、画像復号化装置、画像符号化／復号化システム、拡張画像圧縮伸張処理システム
FR2872973A1 (fr) * 2004-07-06 2006-01-13 Thomson Licensing Sa Procede ou dispositif de codage d'une sequence d'images sources
US7606427B2 (en) 2004-07-08 2009-10-20 Qualcomm Incorporated Efficient rate control techniques for video encoding
KR100678949B1 (ko) * 2004-07-15 2007-02-06 삼성전자주식회사 비디오 코딩 및 디코딩 방법, 비디오 인코더 및 디코더
CN101189882B (zh) 2004-07-20 2012-08-01 高通股份有限公司 用于视频压缩的编码器辅助帧率上变换（ea-fruc）的方法和装置
US7474316B2 (en) * 2004-08-17 2009-01-06 Sharp Laboratories Of America, Inc. Bit-depth extension of digital displays via the use of models of the impulse response of the visual system
US20060056508A1 (en) * 2004-09-03 2006-03-16 Phillippe Lafon Video coding rate control
US7916952B2 (en) * 2004-09-14 2011-03-29 Gary Demos High quality wide-range multi-layer image compression coding system
DE102004059993B4 (de) * 2004-10-15 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer codierten Videosequenz unter Verwendung einer Zwischen-Schicht-Bewegungsdaten-Prädiktion sowie Computerprogramm und computerlesbares Medium
KR100679022B1 (ko) 2004-10-18 2007-02-05 삼성전자주식회사 계층간 필터링을 이용한 비디오 코딩 및 디코딩방법과,비디오 인코더 및 디코더
US20060098733A1 (en) 2004-11-08 2006-05-11 Kabushiki Kaisha Toshiba Variable-length coding device and method of the same
US20060104350A1 (en) 2004-11-12 2006-05-18 Sam Liu Multimedia encoder
JP2006140758A (ja) 2004-11-12 2006-06-01 Toshiba Corp 動画像符号化方法、動画像符号化装置および動画像符号化プログラム
WO2006060037A1 (en) 2004-12-02 2006-06-08 Thomson Licensing Quantizer parameter determination for video encoder rate control
US7620103B2 (en) 2004-12-10 2009-11-17 Lsi Corporation Programmable quantization dead zone and threshold for standard-based H.264 and/or VC1 video encoding
US8031768B2 (en) 2004-12-15 2011-10-04 Maxim Integrated Products, Inc. System and method for performing optimized quantization via quantization re-scaling
EP1675402A1 (en) 2004-12-22 2006-06-28 Thomson Licensing Optimisation of a quantisation matrix for image and video coding
US7136536B2 (en) 2004-12-22 2006-11-14 Telefonaktiebolaget L M Ericsson (Publ) Adaptive filter
KR100945985B1 (ko) 2004-12-28 2010-03-09 닛본 덴끼 가부시끼가이샤 동화상 부호화 방법 및 이것을 이용한 장치와, 컴퓨터프로그램
US7653129B2 (en) 2004-12-28 2010-01-26 General Instrument Corporation Method and apparatus for providing intra coding frame bit budget
US20080187042A1 (en) 2005-01-07 2008-08-07 Koninklijke Philips Electronics, N.V. Method of Processing a Video Signal Using Quantization Step Sizes Dynamically Based on Normal Flow
WO2006075895A1 (en) 2005-01-14 2006-07-20 Electronics And Telecommunications Research Institute Method of encoding and decoding texture coordinates in three-dimensional mesh information for effective texture mapping
JP2008529151A (ja) 2005-01-31 2008-07-31 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 複数解像度の画像フィルタリングに関するピラミッド分解
US20060188014A1 (en) 2005-02-23 2006-08-24 Civanlar M R Video coding and adaptation by semantics-driven resolution control for transport and storage
US7724972B2 (en) 2005-03-01 2010-05-25 Qualcomm Incorporated Quality metric-biased region-of-interest coding for video telephony
KR100763178B1 (ko) 2005-03-04 2007-10-04 삼성전자주식회사 색 공간 스케일러블 비디오 코딩 및 디코딩 방법, 이를위한 장치
EP1862010A4 (en) 2005-03-25 2011-08-17 Korea Electronics Telecomm HIERARCHICAL VIDEO ENCODING / DECODING METHOD FOR COMPLETE SCALE VARIABILITY AND APPARATUS THEREOF
EP1878247A4 (en) 2005-04-01 2012-11-21 Lg Electronics Inc METHOD FOR SCALABLE CODING AND DECODING OF VIDEO SIGNAL
US8325797B2 (en) 2005-04-11 2012-12-04 Maxim Integrated Products, Inc. System and method of reduced-temporal-resolution update for video coding and quality control
US7876833B2 (en) 2005-04-11 2011-01-25 Sharp Laboratories Of America, Inc. Method and apparatus for adaptive up-scaling for spatially scalable coding
RU2377736C2 (ru) 2005-04-13 2009-12-27 Нокиа Корпорейшн Кодирование, хранение и передача информации о масштабируемости
KR100763181B1 (ko) 2005-04-19 2007-10-05 삼성전자주식회사 기초계층과 향상계층의 데이터를 바탕으로 예측 정보를코딩하여 코딩율을 향상시키는 방법 및 장치
KR100746007B1 (ko) 2005-04-19 2007-08-06 삼성전자주식회사 엔트로피 코딩의 컨텍스트 모델을 적응적으로 선택하는방법 및 비디오 디코더
US7620252B2 (en) 2005-04-22 2009-11-17 Hewlett-Packard Development Company, L.P. System and method for compressing an image
US7657098B2 (en) 2005-05-02 2010-02-02 Samsung Electronics Co., Ltd. Method and apparatus for reducing mosquito noise in decoded video sequence
US7684632B2 (en) 2005-05-16 2010-03-23 Hewlett-Packard Development Company, L.P. Estimating image compression quantization parameter values
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
DE102005025629A1 (de) 2005-06-03 2007-03-22 Micronas Gmbh Bildverarbeitungsverfahren zur Reduzierung von Blocking-Artefakten
EP1908303A4 (en) * 2005-07-01 2011-04-06 Sonic Solutions METHOD, DEVICE AND SYSTEM FOR USE IN MULTIMEDIA SIGNAL CODING
KR100667806B1 (ko) * 2005-07-07 2007-01-12 삼성전자주식회사 영상 부호화 및 복호화 방법 및 장치
US20070009042A1 (en) * 2005-07-08 2007-01-11 Robert Craig Video game system using pre-encoded macro-blocks in an I-frame
RU2411689C2 (ru) 2005-07-11 2011-02-10 Томсон Лайсенсинг Способ и устройство для адаптивного к макроблоку межслойного предсказания внутренней текстуры
KR101299390B1 (ko) 2005-07-21 2013-08-22 톰슨 라이센싱 스케일러블 비디오 코딩용 가중 예측을 위한 방법 및 장치
US20070147497A1 (en) 2005-07-21 2007-06-28 Nokia Corporation System and method for progressive quantization for scalable image and video coding
EP1746839A1 (en) 2005-07-22 2007-01-24 Thomson Licensing Method and apparatus for encoding video data
US20070025441A1 (en) 2005-07-28 2007-02-01 Nokia Corporation Method, module, device and system for rate control provision for video encoders capable of variable bit rate encoding
EP1911278A2 (en) 2005-08-04 2008-04-16 Nds Limited Advanced digital tv system
US20070053603A1 (en) * 2005-09-08 2007-03-08 Monro Donald M Low complexity bases matching pursuits data coding and decoding
US8879856B2 (en) 2005-09-27 2014-11-04 Qualcomm Incorporated Content driven transcoder that orchestrates multimedia transcoding using content information
WO2007044556A2 (en) 2005-10-07 2007-04-19 Innovation Management Sciences, L.L.C. Method and apparatus for scalable video decoder using an enhancement stream
EP1775958A1 (en) 2005-10-14 2007-04-18 Thomson Licensing Method and apparatus for reconstructing the texture of a spatial enhancement-layer video picture
US7778476B2 (en) 2005-10-21 2010-08-17 Maxim Integrated Products, Inc. System and method for transform coding randomization
US8023569B2 (en) 2005-12-15 2011-09-20 Sharp Laboratories Of America, Inc. Methods and systems for block-based residual upsampling
US7889790B2 (en) * 2005-12-20 2011-02-15 Sharp Laboratories Of America, Inc. Method and apparatus for dynamically adjusting quantization offset values
KR100867995B1 (ko) 2006-01-07 2008-11-10 한국전자통신연구원 동영상 데이터 인코딩/디코딩 방법 및 그 장치
ES2648093T3 (es) * 2006-01-09 2017-12-28 Matthias Narroschke Codificación adaptativa de un error de predicción en la codificación de vídeo híbrida
JP4795223B2 (ja) 2006-01-31 2011-10-19 キヤノン株式会社 画像処理装置
JPWO2007094100A1 (ja) 2006-02-13 2009-07-02 株式会社東芝 動画像符号化／復号化方法及び装置並びにプログラム
JP4529919B2 (ja) 2006-02-28 2010-08-25 日本ビクター株式会社 適応量子化装置及び適応量子化プログラム
US8428136B2 (en) 2006-03-09 2013-04-23 Nec Corporation Dynamic image encoding method and device and program using the same
CN101317458B (zh) 2006-03-16 2012-04-18 华为技术有限公司 在编码过程中实现自适应量化的方法及装置
US8848789B2 (en) 2006-03-27 2014-09-30 Qualcomm Incorporated Method and system for coding and decoding information associated with video compression
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US20070237237A1 (en) 2006-04-07 2007-10-11 Microsoft Corporation Gradient slope detection for video compression
JP2007281949A (ja) 2006-04-07 2007-10-25 Matsushita Electric Ind Co Ltd 画像符号化装置、画像符号化復号システム、画像符号化方法、および画像符号化復号方法
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
JP4062711B2 (ja) 2006-04-17 2008-03-19 俊宏 南 動画像符号化装置
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US20070268964A1 (en) 2006-05-22 2007-11-22 Microsoft Corporation Unit co-location-based motion estimation
EP1871113A1 (en) 2006-06-20 2007-12-26 THOMSON Licensing Method and apparatus for encoding video enhancement layer with multiresolution color scalability
JP4908943B2 (ja) 2006-06-23 2012-04-04 キヤノン株式会社 画像符号化装置及び画像符号化方法
US7885471B2 (en) * 2006-07-10 2011-02-08 Sharp Laboratories Of America, Inc. Methods and systems for maintenance and use of coded block pattern information
US8120660B2 (en) 2006-07-10 2012-02-21 Freescale Semiconductor, Inc. Image data up sampling
US7840078B2 (en) * 2006-07-10 2010-11-23 Sharp Laboratories Of America, Inc. Methods and systems for image processing control based on adjacent block characteristics
US8253752B2 (en) 2006-07-20 2012-08-28 Qualcomm Incorporated Method and apparatus for encoder assisted pre-processing
US8773494B2 (en) * 2006-08-29 2014-07-08 Microsoft Corporation Techniques for managing visual compositions for a multimedia conference call
JP2008099045A (ja) 2006-10-13 2008-04-24 Nippon Telegr & Teleph Corp <Ntt> スケーラブル符号化方法，復号方法，これらの装置，およびこれらのプログラム並びにその記録媒体
US9014280B2 (en) 2006-10-13 2015-04-21 Qualcomm Incorporated Video coding with adaptive filtering for motion compensated prediction
US20080095235A1 (en) 2006-10-20 2008-04-24 Motorola, Inc. Method and apparatus for intra-frame spatial scalable video coding
JP4575344B2 (ja) 2006-10-24 2010-11-04 アップル インコーポレイテッド 縮小サイズまたはフルサイズでの再生を動的に選択的に行うための複数の独立した符号化チェーンを備えるビデオ符号化システム
US7885476B2 (en) 2006-12-14 2011-02-08 Sony Corporation System and method for effectively performing an adaptive encoding procedure
US8199812B2 (en) 2007-01-09 2012-06-12 Qualcomm Incorporated Adaptive upsampling for scalable video coding
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US20080240257A1 (en) 2007-03-26 2008-10-02 Microsoft Corporation Using quantization bias that accounts for relations between transform bins and quantization bins
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
TW200845723A (en) 2007-04-23 2008-11-16 Thomson Licensing Method and apparatus for encoding video data, method and apparatus for decoding encoded video data and encoded video signal
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US7983496B2 (en) 2007-06-26 2011-07-19 Mitsubishi Electric Research Laboratories, Inc. Inverse tone mapping for bit-depth scalable image coding adapted to variable block sizes
US20090161756A1 (en) 2007-12-19 2009-06-25 Micron Technology, Inc. Method and apparatus for motion adaptive pre-filtering
US8160132B2 (en) 2008-02-15 2012-04-17 Microsoft Corporation Reducing key picture popping effects in video
US8542730B2 (en) 2008-02-22 2013-09-24 Qualcomm, Incorporated Fast macroblock delta QP decision
US8953673B2 (en) 2008-02-29 2015-02-10 Microsoft Corporation Scalable video coding and decoding with sample bit depth and chroma high-pass residual layers
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US9338475B2 (en) 2008-04-16 2016-05-10 Intel Corporation Tone mapping for bit-depth scalable video codec
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
HUE047353T2 (hu) * 2011-07-29 2020-04-28 Sun Patent Trust Videó dekódoló eljárás, videó dekódoló berendezés
US10218976B2 (en) * 2016-03-02 2019-02-26 MatrixView, Inc. Quantization matrices for compression of video

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