DE69620094D1 - Videokodierungsvorrichtung - Google Patents

Videokodierungsvorrichtung

Info

Publication number
DE69620094D1
DE69620094D1 DE69620094T DE69620094T DE69620094D1 DE 69620094 D1 DE69620094 D1 DE 69620094D1 DE 69620094 T DE69620094 T DE 69620094T DE 69620094 T DE69620094 T DE 69620094T DE 69620094 D1 DE69620094 D1 DE 69620094D1
Authority
DE
Germany
Prior art keywords
video coding
coding apparatus
video
coding
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 - Fee Related
Application number
DE69620094T
Other languages
English (en)
Other versions
DE69620094T2 (de
Inventor
Takeshi Chujoh
Takeshi Nagai
Yoshihiro Kikuchi
Kenshi Dachiku
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP28091195A external-priority patent/JP3651706B2/ja
Priority claimed from JP28102795A external-priority patent/JP3677101B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69620094D1 publication Critical patent/DE69620094D1/de
Application granted granted Critical
Publication of DE69620094T2 publication Critical patent/DE69620094T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
    • 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
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69620094T 1995-10-27 1996-10-25 Videokodierungsvorrichtung Expired - Fee Related DE69620094T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28091195A JP3651706B2 (ja) 1995-10-27 1995-10-27 動画像符号化装置
JP28102795A JP3677101B2 (ja) 1995-10-27 1995-10-27 動画像符号化装置

Publications (2)

Publication Number Publication Date
DE69620094D1 true DE69620094D1 (de) 2002-05-02
DE69620094T2 DE69620094T2 (de) 2002-11-21

Family

ID=26553980

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69637343T Expired - Fee Related DE69637343T2 (de) 1995-10-27 1996-10-25 Videokodierungs- und -dekodierungsvorrichtung
DE69620094T Expired - Fee Related DE69620094T2 (de) 1995-10-27 1996-10-25 Videokodierungsvorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69637343T Expired - Fee Related DE69637343T2 (de) 1995-10-27 1996-10-25 Videokodierungs- und -dekodierungsvorrichtung

Country Status (3)

Country Link
US (2) US6002802A (de)
EP (3) EP0771120B1 (de)
DE (2) DE69637343T2 (de)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002802A (en) * 1995-10-27 1999-12-14 Kabushiki Kaisha Toshiba Video encoding and decoding apparatus
US6633609B1 (en) * 1996-12-24 2003-10-14 Intel Corporation Method and apparatus for bit rate control in a digital video environment for arbitrary bandwidth
US6373894B1 (en) * 1997-02-18 2002-04-16 Sarnoff Corporation Method and apparatus for recovering quantized coefficients
US6108390A (en) * 1997-03-07 2000-08-22 Advanced Micro Devices, Inc. Method of and apparatus for encoding of output symbol size
US7206346B2 (en) * 1997-06-25 2007-04-17 Nippon Telegraph And Telephone Corporation Motion vector predictive encoding method, motion vector decoding method, predictive encoding apparatus and decoding apparatus, and storage media storing motion vector predictive encoding and decoding programs
CA2264834C (en) * 1997-07-08 2006-11-07 Sony Corporation Video data encoder, video data encoding method, video data transmitter, and video data recording medium
US6282240B1 (en) * 1997-09-03 2001-08-28 Oki Electric Industry Co., Ltd. Picture coder, picture decoder, and transmission system
SG116400A1 (en) * 1997-10-24 2005-11-28 Matsushita Electric Ind Co Ltd A method for computational graceful degradation inan audiovisual compression system.
JPH11187408A (ja) * 1997-12-24 1999-07-09 Oki Electric Ind Co Ltd 動画像符号化装置およびその符号化処理方法
JP4264571B2 (ja) * 1998-04-09 2009-05-20 ソニー株式会社 ディジタル画像復号装置及び方法、並びに記録媒体
GB9817292D0 (en) * 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
JP3630565B2 (ja) * 1998-08-26 2005-03-16 沖電気工業株式会社 動画像の符号化方法及び装置
US6567117B1 (en) * 1998-09-09 2003-05-20 Nippon Telegraph And Telephone Corporation Method for regulating image quality, picture communication equipment using same and recording medium having recorded therein a program for executing the method
US6445701B1 (en) * 1998-10-09 2002-09-03 Microsoft Corporation Channel access scheme for use in network communications
US6438136B1 (en) 1998-10-09 2002-08-20 Microsoft Corporation Method for scheduling time slots in a communications network channel to support on-going video transmissions
US6385454B1 (en) 1998-10-09 2002-05-07 Microsoft Corporation Apparatus and method for management of resources in cellular networks
US6519004B1 (en) 1998-10-09 2003-02-11 Microsoft Corporation Method for transmitting video information over a communication channel
US6618363B1 (en) 1998-10-09 2003-09-09 Microsoft Corporation Method for adapting video packet generation and transmission rates to available resources in a communications network
US6289297B1 (en) 1998-10-09 2001-09-11 Microsoft Corporation Method for reconstructing a video frame received from a video source over a communication channel
US6507587B1 (en) 1998-10-09 2003-01-14 Microsoft Corporation Method of specifying the amount of bandwidth to reserve for use in network communications
US6754266B2 (en) * 1998-10-09 2004-06-22 Microsoft Corporation Method and apparatus for use in transmitting video information over a communication network
US6412013B1 (en) * 1998-10-23 2002-06-25 Koninklijke Philips Electronics N.V. System for controlling data output to a network
JP2000181448A (ja) * 1998-12-15 2000-06-30 Sony Corp 送信装置および送信方法、受信装置および受信方法、並びに提供媒体
WO2000040031A1 (en) * 1998-12-29 2000-07-06 Koninklijke Philips Electronics N.V. Method and device for encoding a video signal
US6614942B1 (en) * 1999-12-17 2003-09-02 Microsoft Corporation Constant bitrate algorithm for block based image compression
GB2362533A (en) * 2000-05-15 2001-11-21 Nokia Mobile Phones Ltd Encoding a video signal with an indicator of the type of error concealment used
US6873654B1 (en) * 2000-05-16 2005-03-29 Redrock Semiconductor, Inc Method and system for predictive control for live streaming video/audio media
EP1182875A3 (de) * 2000-07-06 2003-11-26 Matsushita Electric Industrial Co., Ltd. Strömungsverfahren und entsprechendes System
EP1176833A3 (de) * 2000-07-25 2012-06-27 Panasonic Corporation Verfahren zur Bilddekodierung, Vorrichtung zur Bilddekodierung, und Datenträger
US7082163B2 (en) * 2000-11-20 2006-07-25 Matsushita Electric Industrial Co., Ltd. Picture coding method, picture coding apparatus and image relaying apparatus
JP3641214B2 (ja) * 2001-02-28 2005-04-20 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
JP4015934B2 (ja) * 2002-04-18 2007-11-28 株式会社東芝 動画像符号化方法及び装置
WO2003065994A2 (en) * 2002-02-07 2003-08-14 University Of Miami Schwann cell and phosphodiesterase inhibitors based therapy
KR100850706B1 (ko) * 2002-05-22 2008-08-06 삼성전자주식회사 적응적 동영상 부호화 및 복호화 방법과 그 장치
JP2004015501A (ja) * 2002-06-07 2004-01-15 Nec Corp 動画像符号化装置および動画像符号化方法
JP4178010B2 (ja) * 2002-08-27 2008-11-12 アルプス電気株式会社 データ伝送方法
US8840475B2 (en) * 2002-12-10 2014-09-23 Ol2, Inc. Method for user session transitioning among streaming interactive video servers
US9108107B2 (en) 2002-12-10 2015-08-18 Sony Computer Entertainment America Llc Hosting and broadcasting virtual events using streaming interactive video
US6992675B2 (en) * 2003-02-04 2006-01-31 Ati Technologies, Inc. System for displaying video on a portable device and method thereof
US7352809B2 (en) * 2003-02-21 2008-04-01 Polycom, Inc. System and method for optimal transmission of a multitude of video pictures to one or more destinations
US7373004B2 (en) * 2003-05-23 2008-05-13 Silicon Integrated Systems Corp. Apparatus for constant quality rate control in video compression and target bit allocator thereof
US20050060421A1 (en) * 2003-07-16 2005-03-17 Musunuri Chowdhary V. System and method for providing immersive visualization at low bandwidth rates
JP2005333609A (ja) * 2004-04-22 2005-12-02 Sanyo Electric Co Ltd 符号化制御回路及び符号化回路
KR100678891B1 (ko) * 2004-07-30 2007-02-05 삼성전자주식회사 Ａｖ데이터 수신시 버퍼량을 컨텐츠 속성에 따라탄력적으로 조절하는 방법 및 장치
KR101174131B1 (ko) * 2004-10-14 2012-08-14 삼성전자주식회사 멀티미디어 방송 수신시의 에러 검출 방법 및 장치
US8102878B2 (en) 2005-09-29 2012-01-24 Qualcomm Incorporated Video packet shaping for video telephony
US8842555B2 (en) * 2005-10-21 2014-09-23 Qualcomm Incorporated Methods and systems for adaptive encoding of real-time information in packet-switched wireless communication systems
US8548048B2 (en) * 2005-10-27 2013-10-01 Qualcomm Incorporated Video source rate control for video telephony
US8406309B2 (en) * 2005-10-21 2013-03-26 Qualcomm Incorporated Video rate adaptation to reverse link conditions
US8514711B2 (en) * 2005-10-21 2013-08-20 Qualcomm Incorporated Reverse link lower layer assisted video error control
BRPI0600823B1 (pt) * 2006-03-14 2018-02-14 Whirlpool S.A. Sistema de programação de equipamentos eletrodomésticos e método de programação de equipamentos eletrodomésticos programáveis em linha de montagem
JP4851911B2 (ja) 2006-10-23 2012-01-11 富士通株式会社 符号化装置、符号化プログラムおよび符号化方法
KR20120034084A (ko) * 2007-01-10 2012-04-09 콸콤 인코포레이티드 멀티미디어 전화 통신을 위한 컨텐트- 및 링크-의존 코딩 적응 구조
JP2011509547A (ja) * 2007-12-05 2011-03-24 オンライブ インコーポレイテッド 通信チャンネルを経て送信されるある形式のマルチメディアデータを保護するシステム及び方法
US8797850B2 (en) * 2008-01-10 2014-08-05 Qualcomm Incorporated System and method to adapt to network congestion
US8780986B2 (en) * 2008-06-06 2014-07-15 Apple Inc. Refresh pixel group selection and coding adjustment
EP2177299B1 (de) * 2008-10-17 2013-07-31 PRIMA INDUSTRIE S.p.A. Lasermaschine
CA2650102C (en) * 2009-01-09 2013-01-22 Michael D. Zulak Earth drilling reamer with replaceable blades
US8582645B2 (en) * 2009-06-11 2013-11-12 Texas Instruments Incorporated Reducing flicker in the display of video streams
BR122019025407B8 (pt) * 2011-01-13 2023-05-02 Canon Kk Aparelho de codificação de imagem, método de codificação de imagem, aparelho de decodificação de imagem, método de decodificação de imagem e meio de armazenamento
EP3174296A1 (de) 2011-10-17 2017-05-31 Kabushiki Kaisha Toshiba Decodierungsverfahren und decodierungsvorrichtung
US9930360B2 (en) * 2011-11-08 2018-03-27 Texas Instruments Incorporated Method, system and apparatus for intra-refresh in video signal processing
US9445058B2 (en) 2012-05-14 2016-09-13 Intuitive Surgical Operations, Inc Method for video processing using a buffer
JP2015173404A (ja) 2014-03-12 2015-10-01 富士通株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
US10531099B2 (en) * 2016-09-30 2020-01-07 The Mitre Corporation Systems and methods for distributed quantization of multimodal images
CN106961604B (zh) * 2017-03-07 2018-06-15 腾讯科技（深圳）有限公司 视频编码的码率分配、编码单元码率分配方法及装置
JP7549581B2 (ja) * 2019-01-17 2024-09-11 ブライトコーブ インコーポレイテッド 最適なマルチコーデックａｂｒラダー設計
CN112752058B (zh) * 2019-10-31 2022-10-04 华为技术有限公司 调整视频流的属性的方法和装置
CN113032062A (zh) * 2019-12-24 2021-06-25 深信服科技股份有限公司 一种图像数据传输方法、装置、电子设备及存储介质
US11526435B2 (en) 2020-02-04 2022-12-13 Western Digital Technologies, Inc. Storage system and method for automatic data phasing
US11562018B2 (en) 2020-02-04 2023-01-24 Western Digital Technologies, Inc. Storage system and method for optimized surveillance search
US11328511B2 (en) 2020-03-13 2022-05-10 Western Digital Technologies, Inc. Storage system and method for improved playback analysis
US11240540B2 (en) * 2020-06-11 2022-02-01 Western Digital Technologies, Inc. Storage system and method for frame trimming to optimize network bandwidth
CN113473125B (zh) * 2021-06-25 2023-08-15 咪咕互动娱乐有限公司 码率控制方法、设备、存储介质及产品

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101841B2 (ja) * 1984-01-11 1994-12-12 日本電気株式会社 動画像信号の符号化方法およびその装置
US4692801A (en) * 1985-05-20 1987-09-08 Nippon Hoso Kyokai Bandwidth compressed transmission system
FR2599577B1 (fr) * 1986-05-29 1988-08-05 Guichard Jacques Procede de codage par transformation pour la transmission de signaux d'image.
JPS63267080A (ja) * 1987-04-24 1988-11-04 Nippon Telegr & Teleph Corp <Ntt> 映像信号伝送方式
JP2576631B2 (ja) * 1989-06-20 1997-01-29 日本ビクター株式会社 高品位テレビジヨン受信機
JPH0714209B2 (ja) * 1989-12-20 1995-02-15 松下電器産業株式会社 動画像符号化装置
US5150432A (en) * 1990-03-26 1992-09-22 Kabushiki Kaisha Toshiba Apparatus for encoding/decoding video signals to improve quality of a specific region
JPH0490648A (ja) * 1990-08-06 1992-03-24 Fujitsu Ltd 符号化送信方式
JPH04117882A (ja) * 1990-09-07 1992-04-17 Matsushita Electric Ind Co Ltd 動画像符号化装置
US5057916A (en) * 1990-11-16 1991-10-15 General Instrument Corporation Method and apparatus for refreshing motion compensated sequential video images
US5138447A (en) * 1991-02-11 1992-08-11 General Instrument Corporation Method and apparatus for communicating compressed digital video signals using multiple processors
JP2514115B2 (ja) * 1991-02-15 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 画像信号符号化装置
AU657510B2 (en) * 1991-05-24 1995-03-16 Apple Inc. Improved image encoding/decoding method and apparatus
US5317397A (en) * 1991-05-31 1994-05-31 Kabushiki Kaisha Toshiba Predictive coding using spatial-temporal filtering and plural motion vectors
JP2991833B2 (ja) * 1991-10-11 1999-12-20 松下電器産業株式会社 インターレス走査ディジタルビデオ信号の符号化装置及びその方法
SE9103380L (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter
US5644660A (en) * 1992-04-09 1997-07-01 Picturetel Corporation Method and apparatus for efficiently transmitting forced updates in a moving picture codec
US5241383A (en) * 1992-05-13 1993-08-31 Bell Communications Research, Inc. Pseudo-constant bit rate video coding with quantization parameter adjustment
WO1994023385A2 (en) * 1993-03-30 1994-10-13 Adrian Stafford Lewis Data compression and decompression
JP2508576B2 (ja) * 1993-04-20 1996-06-19 日本電気株式会社 動画像符号化方式
JP3085024B2 (ja) * 1993-06-01 2000-09-04 松下電器産業株式会社 画像再圧縮器及び画像記録装置
JPH0730589A (ja) * 1993-07-06 1995-01-31 Canon Inc データ送信装置
JP3265818B2 (ja) * 1994-04-14 2002-03-18 松下電器産業株式会社 動画符号化方法
DE69525898T2 (de) * 1994-05-30 2002-11-14 Ntt Mobile Communications Network Inc., Tokio/Tokyo Bewegtbildkodierungs- und -dekodierungsvorrichtung
US5802213A (en) * 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
US5590064A (en) * 1994-10-26 1996-12-31 Intel Corporation Post-filtering for decoded video signals
US5644504A (en) * 1995-03-27 1997-07-01 International Business Machines Corporation Dynamically partitionable digital video encoder processor
US5872866A (en) * 1995-04-18 1999-02-16 Advanced Micro Devices, Inc. Method and apparatus for improved video decompression by predetermination of IDCT results based on image characteristics
KR100308627B1 (ko) * 1995-10-25 2001-11-02 마찌다 가쯔히꼬 중첩블럭이동보상및제로트리웨이브릿코딩을이용한저비트레이트비디오엔코더
US6002802A (en) * 1995-10-27 1999-12-14 Kabushiki Kaisha Toshiba Video encoding and decoding apparatus

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DE69637343T2 (de) 2008-10-16
EP0771120A2 (de) 1997-05-02
DE69620094T2 (de) 2002-11-21
US6188792B1 (en) 2001-02-13
EP1170957A3 (de) 2003-04-09
DE69637343D1 (de) 2008-01-10
EP1761070A1 (de) 2007-03-07
EP0771120B1 (de) 2002-03-27
EP0771120A3 (de) 1999-09-08
US6002802A (en) 1999-12-14
EP1170957B1 (de) 2007-11-28

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