DE60236354D1 - Hochpräzises codieren und decodieren von videobildern - Google Patents

Hochpräzises codieren und decodieren von videobildern

Info

Publication number
DE60236354D1
DE60236354D1 DE60236354T DE60236354T DE60236354D1 DE 60236354 D1 DE60236354 D1 DE 60236354D1 DE 60236354 T DE60236354 T DE 60236354T DE 60236354 T DE60236354 T DE 60236354T DE 60236354 D1 DE60236354 D1 DE 60236354D1
Authority
DE
Germany
Prior art keywords
range
precision
compression
idct
extended
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60236354T
Other languages
English (en)
Inventor
Gary A Demos
David Ruhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Application granted granted Critical
Publication of DE60236354D1 publication Critical patent/DE60236354D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N19/10—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/10—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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
DE60236354T 2001-03-02 2002-03-01 Hochpräzises codieren und decodieren von videobildern Expired - Lifetime DE60236354D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/798,346 US8374237B2 (en) 2001-03-02 2001-03-02 High precision encoding and decoding of video images
PCT/US2002/006078 WO2002071735A2 (en) 2001-03-02 2002-03-01 High precision encoding and decoding of video images

Publications (1)

Publication Number Publication Date
DE60236354D1 true DE60236354D1 (de) 2010-06-24

Family

ID=25173162

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60236354T Expired - Lifetime DE60236354D1 (de) 2001-03-02 2002-03-01 Hochpräzises codieren und decodieren von videobildern

Country Status (13)

Country Link
US (7) US8374237B2 (de)
EP (1) EP1380169B1 (de)
JP (1) JP2004519920A (de)
KR (1) KR20040010601A (de)
CN (1) CN1284355C (de)
AT (1) ATE467979T1 (de)
AU (1) AU2002306609A1 (de)
CA (1) CA2439727A1 (de)
DE (1) DE60236354D1 (de)
DK (1) DK1380169T3 (de)
ES (1) ES2342365T3 (de)
HK (1) HK1060676A1 (de)
WO (1) WO2002071735A2 (de)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957350B1 (en) 1996-01-30 2005-10-18 Dolby Laboratories Licensing Corporation Encrypted and watermarked temporal and resolution layering in advanced television
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US7266150B2 (en) * 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
US8111754B1 (en) 2001-07-11 2012-02-07 Dolby Laboratories Licensing Corporation Interpolation of video compression frames
US20030112863A1 (en) 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
US7123655B2 (en) * 2001-08-09 2006-10-17 Sharp Laboratories Of America, Inc. Method for reduced bit-depth quantization
US6912695B2 (en) * 2001-09-13 2005-06-28 Pixia Corp. Data storage and retrieval system and method
US6882685B2 (en) * 2001-09-18 2005-04-19 Microsoft Corporation Block transform and quantization for image and video coding
FR2832271A1 (fr) * 2001-11-13 2003-05-16 Koninkl Philips Electronics Nv Tuner comprenant un convertisseur de tension
US7027982B2 (en) 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US7003035B2 (en) 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
US7242713B2 (en) 2002-05-02 2007-07-10 Microsoft Corporation 2-D transforms for image and video coding
JP4013657B2 (ja) * 2002-06-03 2007-11-28 セイコーエプソン株式会社 画像表示装置、画像表示方法および画像表示プログラムが記録されたコンピュータ読み取り可能な記録媒体
US20040001546A1 (en) 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation
US7224731B2 (en) * 2002-06-28 2007-05-29 Microsoft Corporation Motion estimation/compensation for screen capture video
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
US7154952B2 (en) 2002-07-19 2006-12-26 Microsoft Corporation Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures
US7502415B2 (en) 2003-07-18 2009-03-10 Microsoft Corporation Range reduction
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US7343291B2 (en) * 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
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
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7289679B2 (en) * 2003-08-12 2007-10-30 International Business Machines Corporation System and method for measuring image quality using compressed image data
US8014450B2 (en) 2003-09-07 2011-09-06 Microsoft Corporation Flexible range reduction
US8064520B2 (en) 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
US7492375B2 (en) * 2003-11-14 2009-02-17 Microsoft Corporation High dynamic range image viewing on low dynamic range displays
US7649539B2 (en) * 2004-03-10 2010-01-19 Microsoft Corporation Image formats for video capture, processing and display
US7487193B2 (en) * 2004-05-14 2009-02-03 Microsoft Corporation Fast video codec transform implementations
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US8045614B2 (en) 2005-05-11 2011-10-25 Dolby Laboratories Licensing Corporation Quantization control for variable bit depth
KR20070083677A (ko) 2004-09-14 2007-08-24 개리 데모스 고품질 광역 다중-레이어 이미지 압축 코딩 시스템
US20060233258A1 (en) * 2005-04-15 2006-10-19 Microsoft Corporation Scalable motion estimation
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US7689052B2 (en) * 2005-10-07 2010-03-30 Microsoft Corporation Multimedia signal processing using fixed-point approximations of linear transforms
WO2007082562A2 (en) 2006-01-23 2007-07-26 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. High dynamic range codecs
WO2007116551A1 (ja) * 2006-03-30 2007-10-18 Kabushiki Kaisha Toshiba 画像符号化装置及び画像符号化方法並びに画像復号化装置及び画像復号化方法
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8494052B2 (en) * 2006-04-07 2013-07-23 Microsoft Corporation Dynamic selection of motion estimation search ranges and extended motion vector ranges
US8155195B2 (en) * 2006-04-07 2012-04-10 Microsoft Corporation Switching distortion metrics during motion estimation
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
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
US8880571B2 (en) * 2006-05-05 2014-11-04 Microsoft Corporation High dynamic range data format conversions for digital media
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
US8571340B2 (en) * 2006-06-26 2013-10-29 Qualcomm Incorporated Efficient fixed-point approximations of forward and inverse discrete cosine transforms
US8385424B2 (en) * 2006-06-26 2013-02-26 Qualcomm Incorporated Reduction of errors during computation of inverse discrete cosine transform
US8300698B2 (en) * 2006-10-23 2012-10-30 Qualcomm Incorporated Signalling of maximum dynamic range of inverse discrete cosine transform
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8942289B2 (en) * 2007-02-21 2015-01-27 Microsoft Corporation Computational complexity and precision control in transform-based digital media codec
US8054886B2 (en) * 2007-02-21 2011-11-08 Microsoft Corporation Signaling and use of chroma sample positioning information
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
US8000554B2 (en) * 2007-04-04 2011-08-16 Xerox Corporation Automatic dynamic range adjustment in digital imaging
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
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8325800B2 (en) 2008-05-07 2012-12-04 Microsoft Corporation Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
US8379851B2 (en) 2008-05-12 2013-02-19 Microsoft Corporation Optimized client side rate control and indexed file layout for streaming media
US7949775B2 (en) 2008-05-30 2011-05-24 Microsoft Corporation Stream selection for enhanced media streaming
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
WO2010017166A2 (en) * 2008-08-04 2010-02-11 Dolby Laboratories Licensing Corporation Overlapped block disparity estimation and compensation architecture
US8265140B2 (en) 2008-09-30 2012-09-11 Microsoft Corporation Fine-grained client-side control of scalable media delivery
US9215467B2 (en) * 2008-11-17 2015-12-15 Checkvideo Llc Analytics-modulated coding of surveillance video
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US8971413B2 (en) 2010-05-24 2015-03-03 Intel Corporation Techniques for storing and retrieving pixel data
US20110317759A1 (en) * 2010-06-25 2011-12-29 Thomas Vinay S System, method, and computer program product for parameter estimation for lossless video compression
TWI479898B (zh) 2010-08-25 2015-04-01 Dolby Lab Licensing Corp 擴展影像動態範圍
CN102420980B (zh) * 2010-09-27 2014-08-27 深圳市融创天下科技股份有限公司 一种帧层和宏块层量化参数调整方法和系统
JP5281624B2 (ja) 2010-09-29 2013-09-04 日本電信電話株式会社 画像符号化方法，画像復号方法，画像符号化装置，画像復号装置およびそれらのプログラム
JP5281623B2 (ja) 2010-09-29 2013-09-04 日本電信電話株式会社 画像符号化方法，画像復号方法，画像符号化装置，画像復号装置およびそれらのプログラム
US20120090035A1 (en) * 2010-10-12 2012-04-12 Synergetics Incorporated System and Tool for Logistics Data Management on Secured Smart Mobile Devices
PL2485488T3 (pl) * 2011-02-02 2017-09-29 Nagravision S.A. Dekoder multimediów i sposób dekodowania pozwalający na śledzenie dekodera multimediów
JP5357199B2 (ja) 2011-03-14 2013-12-04 日本電信電話株式会社 画像符号化方法，画像復号方法，画像符号化装置，画像復号装置，画像符号化プログラムおよび画像復号プログラム
US9363522B2 (en) * 2011-04-28 2016-06-07 Warner Bros. Entertainment, Inc. Region-of-interest encoding enhancements for variable-bitrate mezzanine compression
US8537171B2 (en) * 2011-05-13 2013-09-17 Samsung Display Co., Ltd. Piecewise non-causal compression and subsequent decompression of quantized data for processing of decompressed data in higher precision processing space
US9654785B2 (en) 2011-06-09 2017-05-16 Qualcomm Incorporated Enhanced intra-prediction mode signaling for video coding using neighboring mode
PL3264766T3 (pl) * 2011-07-12 2019-02-28 Nec Corporation Sposób dekodowania i dekoder do dekodowania parametru kwantowania do dekodowania wideo
KR20130068823A (ko) * 2011-12-16 2013-06-26 삼성전자주식회사 영상 신호 처리를 위한 방법 및 장치
EP2803190B1 (de) * 2012-01-09 2017-10-25 Dolby Laboratories Licensing Corporation Hybrides referenzbildrekonstruktionsverfahren für mehrschicht videokodierunssysteme
KR20200085361A (ko) * 2012-01-20 2020-07-14 벨로스 미디어 인터내셔널 리미티드 크로마 양자화 파라미터 확장
KR101917224B1 (ko) * 2012-09-18 2018-11-13 엘지이노텍 주식회사 영상데이터 전송장치
CN105009567B (zh) 2013-02-21 2018-06-08 杜比实验室特许公司 用于合成叠加图形的外观映射的系统和方法
US10055866B2 (en) 2013-02-21 2018-08-21 Dolby Laboratories Licensing Corporation Systems and methods for appearance mapping for compositing overlay graphics
US10277909B2 (en) * 2013-05-15 2019-04-30 Vid Scale, Inc. Single loop decoding based interlayer prediction
GB2517416A (en) * 2013-08-15 2015-02-25 Sony Corp Data encoding and decoding
JP6185375B2 (ja) * 2013-11-26 2017-08-23 株式会社シキノハイテック 画像符号化装置
MX365498B (es) 2014-03-04 2019-06-05 Microsoft Technology Licensing Llc Conmutacion adaptativa de espacios de color, frecuencias de muestreo de color y/o profundidades de bits.
WO2015131330A1 (en) 2014-03-04 2015-09-11 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths
RU2648276C1 (ru) 2014-03-27 2018-03-23 МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи Корректировка квантования/масштабирования и обратного квантования/масштабирования при переключении цветовых пространств
US9883184B2 (en) * 2014-10-07 2018-01-30 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
US10687069B2 (en) 2014-10-08 2020-06-16 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
US10701361B2 (en) * 2015-11-30 2020-06-30 Telefonaktiebolaget Lm Ericsson (Publ) Encoding of pictures in a video
CN107452039B (zh) * 2016-06-01 2023-03-31 上海东方传媒技术有限公司 压缩rgb颜色空间的方法及装置
EP3472806A4 (de) 2016-06-17 2020-02-26 Immersive Robotics Pty Ltd Bildkompressionsverfahren und -vorrichtung
US11429337B2 (en) 2017-02-08 2022-08-30 Immersive Robotics Pty Ltd Displaying content to users in a multiplayer venue
KR102315524B1 (ko) 2017-06-16 2021-10-21 한화테크윈 주식회사 영상의 비트레이트 조절 방법 및 영상 획득 장치
US10218992B2 (en) * 2017-07-24 2019-02-26 Cisco Technology, Inc. Encoding, transmission and decoding of combined high motion and high fidelity content
CN111699693A (zh) 2017-11-21 2020-09-22 因默希弗机器人私人有限公司 用于数字现实的图像压缩
AU2018373495B2 (en) 2017-11-21 2023-01-05 Immersive Robotics Pty Ltd Frequency component selection for image compression
US10593257B2 (en) 2018-03-15 2020-03-17 Samsung Display Co., Ltd. Stress profile compression
US11750811B2 (en) * 2018-04-06 2023-09-05 Comcast Cable Communications, Llc Systems, methods, and apparatuses for processing video
EP3874492B1 (de) * 2018-10-31 2023-12-06 Nokia Technologies Oy Bestimmung der codierung räumlicher audioparameter und zugehörige decodierung
US10992960B2 (en) 2019-02-06 2021-04-27 Jared Michael Cohn Accelerated video exportation to multiple destinations
US11132944B2 (en) 2019-09-18 2021-09-28 Samsung Display Co., Ltd. Unbiased iterative compression on additive data using dither
US11188503B2 (en) 2020-02-18 2021-11-30 International Business Machines Corporation Record-based matching in data compression
US11955067B2 (en) 2021-03-17 2024-04-09 Samsung Display Co., Ltd. Simplified rate control for an additive iterative compression system
US20220405987A1 (en) * 2021-06-18 2022-12-22 Nvidia Corporation Pixel blending for neural network-based image generation
US11941397B1 (en) * 2022-05-31 2024-03-26 Amazon Technologies, Inc. Machine instructions for decoding acceleration including fuse input instructions to fuse multiple JPEG data blocks together to take advantage of a full SIMD width of a processor

Family Cites Families (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654696A (en) 1985-04-09 1987-03-31 Grass Valley Group, Inc. Video signal format
JP2670259B2 (ja) 1985-11-29 1997-10-29 ソニー株式会社 高能率符号化装置
US4903317A (en) 1986-06-24 1990-02-20 Kabushiki Kaisha Toshiba Image processing apparatus
US5162925A (en) * 1988-11-17 1992-11-10 Canon Kabushiki Kaisha Color image processor capable of performing masking using a reduced number of bits
EP0387051B1 (de) 1989-03-10 1997-08-06 Canon Kabushiki Kaisha Verfahren und Vorrichtung zum Codieren von Bildinformation
JPH0474063A (ja) 1990-07-13 1992-03-09 Matsushita Electric Ind Co Ltd 画像の符号化方法
JPH04185172A (ja) 1990-11-20 1992-07-02 Matsushita Electric Ind Co Ltd ディジタル画像信号の高能率符号化装置
US5465119A (en) 1991-02-22 1995-11-07 Demografx Pixel interlacing apparatus and method
US5151784A (en) 1991-04-30 1992-09-29 At&T Bell Laboratories Multiple frame motion estimation
JP2507204B2 (ja) 1991-08-30 1996-06-12 松下電器産業株式会社 映像信号符号化装置
US5198901A (en) 1991-09-23 1993-03-30 Matsushita Electric Corporation Of America Derivation and use of motion vectors in a differential pulse code modulation system
FR2681962B1 (fr) * 1991-09-30 1993-12-24 Sgs Thomson Microelectronics Sa Procede et circuit de traitement de donnees par transformee cosinus.
JPH0595540A (ja) 1991-09-30 1993-04-16 Sony Corp 動画像符号化装置
US5231484A (en) 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
US5440344A (en) 1992-04-28 1995-08-08 Mitsubishi Denki Kabushiki Kaisha Video encoder using adjacent pixel difference for quantizer control
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
US5294974A (en) 1992-07-24 1994-03-15 Matsushita Electric Corporation Of America High-definition video encoding system having color-sensitive quantization
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
US5850261A (en) 1992-10-15 1998-12-15 Sony Corporation Efficient variable length encoder and decoder
US5329379A (en) 1992-10-22 1994-07-12 International Business Machines Corporation System and method of measuring fidelity of decompressed video signals and images
US5663763A (en) 1992-10-29 1997-09-02 Sony Corp. Picture signal encoding method and apparatus and picture signal decoding method and apparatus
JP3545000B2 (ja) 1992-11-02 2004-07-21 ソニー株式会社 画像信号符号化装置、画像信号復号化装置
JPH06165150A (ja) 1992-11-18 1994-06-10 Matsushita Electric Ind Co Ltd 動画像符号化／復号化装置
US5717816A (en) * 1993-01-13 1998-02-10 Hitachi America Ltd. Method and apparatus for the selection of data for use in VTR trick playback operation in a system using intra-coded video frames
JP2962083B2 (ja) 1993-01-22 1999-10-12 松下電器産業株式会社 解像度変換方法、解像度変換装置、画像符号化装置、画像復号化装置
US5426463A (en) 1993-02-22 1995-06-20 Rca Thomson Licensing Corporation Apparatus for controlling quantizing in a video signal compressor
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
JPH06350995A (ja) 1993-06-10 1994-12-22 Casio Comput Co Ltd 動画像処理方法
US5877754A (en) 1993-06-16 1999-03-02 Intel Corporation Process, apparatus, and system for color conversion of image signals
US5408270A (en) 1993-06-24 1995-04-18 Massachusetts Institute Of Technology Advanced television system
CA2126467A1 (en) 1993-07-13 1995-01-14 Barin Geoffry Haskell Scalable encoding and decoding of high-resolution progressive video
WO1995004433A1 (en) 1993-07-30 1995-02-09 British Telecommunications Public Limited Company Processing image data
CA2127151A1 (en) 1993-09-21 1995-03-22 Atul Puri Spatially scalable video encoding and decoding
US5438374A (en) 1993-12-10 1995-08-01 At&T Corp. System and method for filtering video signals
US5604502A (en) 1994-03-21 1997-02-18 Lucent Technologies Inc. Motion video compression system with inverse discrete cosine transform mismatch control
US5442407A (en) 1994-03-22 1995-08-15 Matsushita Electric Corporation Of America Video signal noise reduction system using time-varying filter coefficients
JPH08256341A (ja) 1995-03-17 1996-10-01 Sony Corp 画像信号符号化方法、画像信号符号化装置、画像信号記録媒体、及び画像信号復号化装置
JP3669523B2 (ja) 1995-04-08 2005-07-06 ソニー株式会社 符号化装置及び方法
US5946652A (en) * 1995-05-03 1999-08-31 Heddle; Robert Methods for non-linearly quantizing and non-linearly dequantizing an information signal using off-center decision levels
GB2301970B (en) 1995-06-06 2000-03-01 Sony Uk Ltd Motion compensated video processing
US5831872A (en) * 1995-06-27 1998-11-03 Motorola, Inc. Method and system for compressing a video signal using dynamic frame recovery
US5748903A (en) 1995-07-21 1998-05-05 Intel Corporation Encoding images using decode rate control
US5737032A (en) 1995-09-05 1998-04-07 Videotek, Inc. Serial digital video processing with concurrent adjustment in RGB and luminance/color difference
US5926222A (en) 1995-09-28 1999-07-20 Intel Corporation Bitrate estimator for selecting quantization levels for image encoding
US5835498A (en) 1995-10-05 1998-11-10 Silicon Image, Inc. System and method for sending multiple data signals over a serial link
KR100209793B1 (ko) 1995-10-28 1999-07-15 전주범 특징점 기반 움직임 추정을 이용하여 비디오 신호를 부호화 및 복호화하는 장치
JPH09182083A (ja) 1995-12-27 1997-07-11 Matsushita Electric Ind Co Ltd ビデオ画像符号化方法及び復号化方法とその装置
US5852565A (en) 1996-01-30 1998-12-22 Demografx Temporal and resolution layering in advanced television
US6957350B1 (en) 1996-01-30 2005-10-18 Dolby Laboratories Licensing Corporation Encrypted and watermarked temporal and resolution layering in advanced television
US6282364B1 (en) * 1996-02-05 2001-08-28 Matsushita Electric Industrial Co., Ltd. Video signal recording apparatus and video signal regenerating apparatus
US5661524A (en) * 1996-03-08 1997-08-26 International Business Machines Corporation Method and apparatus for motion estimation using trajectory in a digital video encoder
EP1182888A3 (de) * 1996-04-25 2004-11-03 Matsushita Electric Industrial Co., Ltd. Videokodierung mit bitratenabhängiger Quantisierung
KR19990036188A (ko) 1996-06-05 1999-05-25 엠. 제이. 엠. 반캄 부호화된 디지탈 비디오 신호의 복호화 방법 및 장치
US5825680A (en) 1996-06-21 1998-10-20 Digital Equipment Corporation Method and apparatus for performing fast division
KR100238066B1 (ko) 1996-06-26 2000-01-15 윤종용 양자화활동도를 이용한 비트 발생량 제어방법 및 그 영상 부호화장치
JP3687080B2 (ja) 1996-07-17 2005-08-24 ソニー株式会社 画像符号化装置および画像符号化方法、画像復号化装置および画像復号化方法、並びに記録媒体
US5886710A (en) * 1996-08-07 1999-03-23 Adobe Systems Incorporated Defining a time-variable property in digital compositions
JP3280888B2 (ja) 1996-08-19 2002-05-13 三星電子株式会社 量子化された平均−マッチングヒストグラム等化を用いた画質改善方法及びその回路
US6069914A (en) 1996-09-19 2000-05-30 Nec Research Institute, Inc. Watermarking of image data using MPEG/JPEG coefficients
US5920353A (en) * 1996-12-03 1999-07-06 St Microelectronics, Inc. Multi-standard decompression and/or compression device
JPH10164581A (ja) 1996-12-03 1998-06-19 Sony Corp 画像信号符号化方法及び装置、信号記録媒体
US6272175B1 (en) * 1997-02-13 2001-08-07 Conexant Systems, Inc. Video signal coding systems and processes using adaptive quantization
US7269219B1 (en) 1997-02-14 2007-09-11 At&T Corp. Non-linear quantizer for video coding
US6043844A (en) * 1997-02-18 2000-03-28 Conexant Systems, Inc. Perceptually motivated trellis based rate control method and apparatus for low bit rate video coding
KR100227336B1 (ko) * 1997-02-20 1999-11-01 서평원 고정 전송율 mpeg 영상 송신기용 전송율 제어 방법 및 그 장치
US6067321A (en) 1997-04-03 2000-05-23 Lsi Logic Corporation Method and apparatus for two-row macroblock decoding to improve caching efficiency
US6178203B1 (en) 1997-04-03 2001-01-23 Lsi Logic Corporation Method and apparatus for two-row decoding of MPEG video
JP3978810B2 (ja) 1997-05-28 2007-09-19 ソニー株式会社 符号化方法およびこれを使用した符号化装置
US6236727B1 (en) 1997-06-24 2001-05-22 International Business Machines Corporation Apparatus, method and computer program product for protecting copyright data within a computer system
US5987179A (en) * 1997-09-05 1999-11-16 Eastman Kodak Company Method and apparatus for encoding high-fidelity still images in MPEG bitstreams
US6014182A (en) 1997-10-10 2000-01-11 Faroudja Laboratories, Inc. Film source video detection
KR100235988B1 (ko) 1997-11-12 1999-12-15 구자홍 디티브이 영상 포맷 변환장치 및 그 방법
US5956026A (en) * 1997-12-19 1999-09-21 Sharp Laboratories Of America, Inc. Method for hierarchical summarization and browsing of digital video
EP1051853B1 (de) * 1998-01-26 2003-06-18 STMicroelectronics Asia Pacific Pte Ltd. Kodierung von bewegten bildern mit variabler bitrate in einem durchgang
US6172768B1 (en) 1998-02-05 2001-01-09 Canon Kabushiki Kaisha Halftoning with changeable error diffusion weights
JPH11239351A (ja) 1998-02-23 1999-08-31 Nippon Telegr & Teleph Corp <Ntt> 動画像符号化方法、復号方法、符号化器、復号器、動画像符号化プログラムおよび動画像復号プログラムを記録した記録媒体
US6434196B1 (en) 1998-04-03 2002-08-13 Sarnoff Corporation Method and apparatus for encoding video information
JP4123567B2 (ja) 1998-04-30 2008-07-23 ソニー株式会社 画像信号処理装置及び方法
US6215824B1 (en) 1998-05-01 2001-04-10 Boom Corporation Transcoding method for digital video networking
US6104757A (en) * 1998-05-15 2000-08-15 North Carolina State University System and method of error control for interactive low-bit rate video transmission
US6332194B1 (en) 1998-06-05 2001-12-18 Signafy, Inc. Method for data preparation and watermark insertion
US6301304B1 (en) 1998-06-17 2001-10-09 Lsi Logic Corporation Architecture and method for inverse quantization of discrete cosine transform coefficients in MPEG decoders
KR100275933B1 (ko) 1998-07-14 2000-12-15 구자홍 엠펙디코더의 역이산여현변환장치
JP3748717B2 (ja) * 1998-08-31 2006-02-22 シャープ株式会社 動画像符号化装置
US6256422B1 (en) * 1998-11-04 2001-07-03 International Business Machines Corporation Transform-domain correction of real-domain errors
US6535148B1 (en) 1999-02-12 2003-03-18 Sony Corporation Method and apparatus for truncated decoding
JP2001016457A (ja) 1999-06-30 2001-01-19 Ricoh Co Ltd 画像処理装置および画像処理方法
JP2001112000A (ja) * 1999-10-07 2001-04-20 Matsushita Electric Ind Co Ltd 映像信号符号化装置
JP3757088B2 (ja) * 1999-10-26 2006-03-22 日本電気株式会社 動画像符号化装置および方法
KR20010101329A (ko) 1999-10-29 2001-11-14 요트.게.아. 롤페즈 비디오 인코딩 방법
US6442203B1 (en) 1999-11-05 2002-08-27 Demografx System and method for motion compensation and frame rate conversion
EP1157561A1 (de) * 1999-12-29 2001-11-28 Koninklijke Philips Electronics N.V. Vorrichtung zur kodierung und dekodierung von bildern
US6810131B2 (en) 2000-01-05 2004-10-26 Canon Kabushiki Kaisha Information processing method and apparatus
US6629104B1 (en) 2000-11-22 2003-09-30 Eastman Kodak Company Method for adding personalized metadata to a collection of digital images
US7062084B2 (en) * 2000-12-01 2006-06-13 Sharp Laboratories Of America, Inc. Method for image description using color and local spatial information
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US7266150B2 (en) 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
US6816552B2 (en) 2001-07-11 2004-11-09 Dolby Laboratories Licensing Corporation Interpolation of video compression frames
US20030112873A1 (en) 2001-07-11 2003-06-19 Demos Gary A. Motion estimation for video compression systems
US20030112863A1 (en) * 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
EP1530789B1 (de) 2001-11-06 2011-08-10 Panasonic Corporation Ein bildschirmstromversorgung mit geringer verlustleistung
US20040001546A1 (en) 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation

Also Published As

Publication number Publication date
WO2002071735A8 (en) 2004-05-27
JP2004519920A (ja) 2004-07-02
KR20040010601A (ko) 2004-01-31
CN1550108A (zh) 2004-11-24
US20110103470A1 (en) 2011-05-05
US8488670B2 (en) 2013-07-16
EP1380169B1 (de) 2010-05-12
ATE467979T1 (de) 2010-05-15
US9667957B2 (en) 2017-05-30
CN1284355C (zh) 2006-11-08
WO2002071735A3 (en) 2003-10-23
EP1380169A2 (de) 2004-01-14
US8594188B2 (en) 2013-11-26
US10264256B2 (en) 2019-04-16
US20130148719A1 (en) 2013-06-13
WO2002071735A2 (en) 2002-09-12
US8576907B2 (en) 2013-11-05
EP1380169A4 (de) 2008-10-08
DK1380169T3 (da) 2010-07-12
US20140036996A1 (en) 2014-02-06
US20190356918A1 (en) 2019-11-21
ES2342365T3 (es) 2010-07-06
AU2002306609A1 (en) 2002-09-19
US20110103471A1 (en) 2011-05-05
US20020154693A1 (en) 2002-10-24
US8374237B2 (en) 2013-02-12
CA2439727A1 (en) 2002-09-12
HK1060676A1 (en) 2004-08-13
US20140098858A1 (en) 2014-04-10

Similar Documents

Publication Publication Date Title
DE60236354D1 (de) Hochpräzises codieren und decodieren von videobildern
KR100802203B1 (ko) 비트스트림 제어 후처리 필터링 방법 및 컴퓨터 판독가능매체
US6654418B2 (en) Non-linear quantizer for video coding
JP4425563B2 (ja) フェーディング補償のためのパラメータ化
US10958910B2 (en) Video decoder with reduced dynamic range transform with inverse transform shifting memory
CN1407808A (zh) 流量可缩放的视频代码转换器
RU2693902C2 (ru) Кодер, декодер и способ
KR20030086903A (ko) 페이딩 추정/보정
KR20030086904A (ko) 페이딩 보정을 위한 시그널링
KR940006349A (ko) 적응에너지부 강화필터를 지닌 영상신호 부호화 복호화장치
GB2600617A (en) Quantization of residuals in video coding
US20120183045A1 (en) Video decoder with reduced dynamic range transform including clipping
US7486731B2 (en) Compression techniques
US20070073795A1 (en) Method and apparatus for calculating an inverse dct
KR100292521B1 (ko) 영상데이터의 부호화 방법
KR0147549B1 (ko) 영상블럭화 현상 보정방법
US9854242B2 (en) Video decoder with reduced dynamic range transform with inverse transform clipping
AU2018233019B2 (en) Video decoder with reduced dynamic range transform with inverse transform shifting memory
KR100308114B1 (ko) 화질개선을 위한 압축 및 복원방법
KR100316766B1 (ko) 객체의 외곽선 움직임 평가 및 보상방법 및이를 이용한 외곽선 부호화 및/또는 복호화방법
KR100335622B1 (ko) 위치적확률모형을이용한문법기반의적응식산술부호화기및/또는복호화기및이를이용한고능률영상부호화기및/또는복호화기
US20120183048A1 (en) Video decoder with reduced dynamic range transform with multiple clipping
Sanchez Lossless JPEG transcoding
US20130114729A1 (en) Video decoder with constrained dynamic range

Legal Events

Date Code Title Description
8364 No opposition during term of opposition