DE69322501T2 - Verfahren und system zur videokompandierung - Google Patents

Verfahren und system zur videokompandierung

Info

Publication number
DE69322501T2
DE69322501T2 DE69322501T DE69322501T DE69322501T2 DE 69322501 T2 DE69322501 T2 DE 69322501T2 DE 69322501 T DE69322501 T DE 69322501T DE 69322501 T DE69322501 T DE 69322501T DE 69322501 T2 DE69322501 T2 DE 69322501T2
Authority
DE
Germany
Prior art keywords
companding
video
video companding
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
DE69322501T
Other languages
English (en)
Other versions
DE69322501D1 (de
Inventor
G Meeker
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.)
Philip A Rubin & Associates In
Original Assignee
Philip A Rubin & Associates In
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 Philip A Rubin & Associates In filed Critical Philip A Rubin & Associates In
Publication of DE69322501D1 publication Critical patent/DE69322501D1/de
Application granted granted Critical
Publication of DE69322501T2 publication Critical patent/DE69322501T2/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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69322501T 1992-03-05 1993-03-01 Verfahren und system zur videokompandierung Expired - Fee Related DE69322501T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/846,681 US5313298A (en) 1992-03-05 1992-03-05 Video companding method and system
PCT/US1993/001674 WO1993018617A1 (en) 1992-03-05 1993-03-01 Video companding method and system

Publications (2)

Publication Number Publication Date
DE69322501D1 DE69322501D1 (de) 1999-01-21
DE69322501T2 true DE69322501T2 (de) 1999-07-08

Family

ID=25298636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322501T Expired - Fee Related DE69322501T2 (de) 1992-03-05 1993-03-01 Verfahren und system zur videokompandierung

Country Status (4)

Country Link
US (1) US5313298A (de)
EP (1) EP0629330B1 (de)
DE (1) DE69322501T2 (de)
WO (1) WO1993018617A1 (de)

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US5563960A (en) * 1993-01-22 1996-10-08 David Sarnoff Research Center, Inc. Apparatus and method for emphasizing a selected region in the compressed representation of an image
US5552832A (en) * 1994-10-26 1996-09-03 Intel Corporation Run-length encoding sequence for video signals
US6222881B1 (en) 1994-10-18 2001-04-24 Intel Corporation Using numbers of non-zero quantized transform signals and signal differences to determine when to encode video signals using inter-frame or intra-frame encoding
US5802213A (en) * 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
US5589829A (en) * 1994-10-26 1996-12-31 Intel Corporation Decoding variable-length encoded signals
US5590064A (en) * 1994-10-26 1996-12-31 Intel Corporation Post-filtering for decoded video signals
JP3058028B2 (ja) * 1994-10-31 2000-07-04 三菱電機株式会社 画像符号化データ再符号化装置
JP3036392B2 (ja) * 1995-02-28 2000-04-24 日本電気株式会社 サブバンド信号上の動き補正装置
JP4028900B2 (ja) * 1996-01-11 2007-12-26 富士通株式会社 動画像符号化装置及び動画像復号化装置
US6324301B1 (en) * 1996-01-24 2001-11-27 Lucent Technologies Inc. Adaptive postfilter for low bitrate visual telephony noise removal
US5864362A (en) * 1996-08-27 1999-01-26 Hewlett-Packard Company High speed scanner for reading latent images in storage phosphors
US6571393B1 (en) * 1998-05-27 2003-05-27 The Hong Kong University Of Science And Technology Data transmission system
US6411740B1 (en) 1998-11-04 2002-06-25 Sharp Laboratories Of America, Incorporated Method for non-uniform quantization in a resolution hierarchy by use of a nonlinearity
US6658162B1 (en) 1999-06-26 2003-12-02 Sharp Laboratories Of America Image coding method using visual optimization
US6678424B1 (en) * 1999-11-11 2004-01-13 Tektronix, Inc. Real time human vision system behavioral modeling
US20020140834A1 (en) * 2001-03-30 2002-10-03 Olding Benjamin P. Method and apparatus for companding pixel data in a digital pixel sensor
US20030179827A1 (en) * 2002-03-19 2003-09-25 Kenji Sugiyama Video emphasis encoding method and apparatus, video de-emphasis decoding method and apparatus, video emphasis transmitting method and apparatus and video de-emphasis receiving method and apparatus
JP2004104694A (ja) * 2002-09-12 2004-04-02 Sony Corp 符号化装置と符号化方法と符号化プログラムおよび復号化装置と復号化方法と復号化プログラム
KR100995022B1 (ko) * 2003-12-13 2010-11-19 엘지디스플레이 주식회사 디스플레이 및 그 구동방법
EP1569458A1 (de) * 2004-02-12 2005-08-31 Matsushita Electric Industrial Co., Ltd. Kodierung und Dekodierung von Videobildern mit nichtlinearer Quantisierung
US7822278B1 (en) * 2005-09-20 2010-10-26 Teradici Corporation Methods and apparatus for encoding a digital video signal
US7848402B1 (en) * 2005-09-29 2010-12-07 Altera Corporation Phase-adjusted pre-emphasis and equalization for data communication
CN100455024C (zh) * 2006-05-15 2009-01-21 西安理工大学 基于图像块动态划分矢量量化算法的图像压缩芯片
JP5080132B2 (ja) * 2006-06-12 2012-11-21 三星電子株式会社 データ補償回路及びこれを有する表示装置
GB0708918D0 (en) * 2007-05-09 2007-06-20 Db Res Ltd Signal processing method
EP3011741B1 (de) 2013-06-17 2018-03-07 Dolby Laboratories Licensing Corporation Adaptive umformung für schichtkodierung von signalen mit erweitertem dynamikbereich
CN109859126B (zh) * 2019-01-17 2021-02-02 浙江大华技术股份有限公司 一种视频降噪方法、装置、电子设备及存储介质

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US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
JPS592228B2 (ja) * 1978-12-14 1984-01-17 松下電器産業株式会社 テレビジョン信号の雑音除去方式
US4573075A (en) * 1983-06-24 1986-02-25 Rca Corporation Digital signal coring apparatus with controllable coring threshold level
US4602278A (en) * 1983-11-28 1986-07-22 Rca Corporation Non-linear processor for video signal vertical detail component
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GB8826463D0 (en) * 1988-11-11 1988-12-14 Rca Licensing Corp Technique for actv side-panel noise reduction
US4987480A (en) * 1989-07-11 1991-01-22 Massachusetts Institute Of Technology Multiscale coding of images
US5021891A (en) * 1990-02-27 1991-06-04 Qualcomm, Inc. Adaptive block size image compression method and system
US5150432A (en) * 1990-03-26 1992-09-22 Kabushiki Kaisha Toshiba Apparatus for encoding/decoding video signals to improve quality of a specific region
US5099329A (en) * 1990-04-17 1992-03-24 Graphic Communication Tech., Ltd. Noise reduction method and device for image signal
JP2826886B2 (ja) * 1990-04-17 1998-11-18 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 画像信号の雑音低減装置

Also Published As

Publication number Publication date
EP0629330A4 (de) 1995-03-08
DE69322501D1 (de) 1999-01-21
EP0629330A1 (de) 1994-12-21
WO1993018617A1 (en) 1993-09-16
EP0629330B1 (de) 1998-12-09
US5313298A (en) 1994-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee