JPH05219385A - 画像圧縮・伸張方法および装置 - Google Patents

画像圧縮・伸張方法および装置

Info

Publication number
JPH05219385A
JPH05219385A JP5600092A JP5600092A JPH05219385A JP H05219385 A JPH05219385 A JP H05219385A JP 5600092 A JP5600092 A JP 5600092A JP 5600092 A JP5600092 A JP 5600092A JP H05219385 A JPH05219385 A JP H05219385A
Authority
JP
Japan
Prior art keywords
compression
image
data
circuit
compression rate
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.)
Pending
Application number
JP5600092A
Other languages
English (en)
Japanese (ja)
Inventor
Kensuke Yamaoka
健介 山岡
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.)
Hudson Soft Co Ltd
Original Assignee
Hudson Soft Co Ltd
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 Hudson Soft Co Ltd filed Critical Hudson Soft Co Ltd
Priority to JP5600092A priority Critical patent/JPH05219385A/ja
Priority to TW81104590A priority patent/TW279945B/zh
Priority to US08/011,681 priority patent/US5357584A/en
Priority to EP19930300771 priority patent/EP0555061B1/en
Priority to DE69309732T priority patent/DE69309732T2/de
Priority to CA 2088863 priority patent/CA2088863A1/en
Publication of JPH05219385A publication Critical patent/JPH05219385A/ja
Pending 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/50—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
    • 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
    • H04N19/152—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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP5600092A 1992-02-07 1992-02-07 画像圧縮・伸張方法および装置 Pending JPH05219385A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP5600092A JPH05219385A (ja) 1992-02-07 1992-02-07 画像圧縮・伸張方法および装置
TW81104590A TW279945B (enExample) 1992-02-07 1992-06-11
US08/011,681 US5357584A (en) 1992-02-07 1993-02-01 Method and apparatus for compressing and extending an image
EP19930300771 EP0555061B1 (en) 1992-02-07 1993-02-03 Method and apparatus for compressing and extending an image
DE69309732T DE69309732T2 (de) 1992-02-07 1993-02-03 Verfahren und Vorrichtung ein Bild zu komprimieren und zu dekomprimieren
CA 2088863 CA2088863A1 (en) 1992-02-07 1993-02-05 Method and apparatus for compressing and extending an image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5600092A JPH05219385A (ja) 1992-02-07 1992-02-07 画像圧縮・伸張方法および装置

Publications (1)

Publication Number Publication Date
JPH05219385A true JPH05219385A (ja) 1993-08-27

Family

ID=13014809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5600092A Pending JPH05219385A (ja) 1992-02-07 1992-02-07 画像圧縮・伸張方法および装置

Country Status (6)

Country Link
US (1) US5357584A (enExample)
EP (1) EP0555061B1 (enExample)
JP (1) JPH05219385A (enExample)
CA (1) CA2088863A1 (enExample)
DE (1) DE69309732T2 (enExample)
TW (1) TW279945B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08195888A (ja) * 1995-01-13 1996-07-30 Nec Corp 画質評価装置
JP2007536774A (ja) * 2004-04-29 2007-12-13 ヒューレット−パッカード デベロップメント カンパニー エル．ピー． 画像の圧縮ノイズを推定するシステムおよび方法
JP2009105960A (ja) * 2009-02-02 2009-05-14 Seiko Epson Corp 撮影装置およびこれに用いるプログラム並びに画像記憶方法
JP2013507083A (ja) * 2009-10-05 2013-02-28 アイ．シー．ヴイ．ティー リミテッド デジタル画像を再圧縮するための装置および方法
WO2014136193A1 (ja) * 2013-03-04 2014-09-12 富士通株式会社 基地局装置、基地局システムおよびｉｑデータの圧縮方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3442111B2 (ja) * 1993-09-14 2003-09-02 株式会社ソニー・コンピュータエンタテインメント 画像圧縮装置，画像再生装置及び描画装置
US5790717A (en) * 1993-10-26 1998-08-04 Bell Communications Research Inc. Apparatus and method for predicting subjective quality of compressed images
JPH08186814A (ja) * 1994-12-28 1996-07-16 Canon Inc 画像圧縮装置
US5886743A (en) * 1994-12-28 1999-03-23 Hyundai Electronics Industries Co. Ltd. Object-by information coding apparatus and method thereof for MPEG-4 picture instrument
US5629778A (en) * 1995-05-15 1997-05-13 Polaroid Corporation Method and apparatus for reduction of image data compression noise
KR20000005110A (ko) * 1996-03-29 2000-01-25 윌리암 제이. 버크 지각 메트릭을 이용하는 이미지 코딩시스템에서 엔코딩 최적화및 자동 조정가능 이미지 압축을 위한 장치 및 방법
JPH1075448A (ja) * 1996-08-29 1998-03-17 Asahi Optical Co Ltd 画像圧縮装置および画像伸張装置
US6091773A (en) 1997-11-12 2000-07-18 Sydorenko; Mark R. Data compression method and apparatus
GB9803580D0 (en) * 1998-02-21 1998-04-15 Nds Ltd Determining visually noticeable differences between two images
JP3738574B2 (ja) * 1998-09-18 2006-01-25 富士ゼロックス株式会社 画像情報符号化装置
JP3679083B2 (ja) * 2002-10-08 2005-08-03 株式会社エヌ・ティ・ティ・ドコモ 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、画像復号プログラム
US20060034531A1 (en) * 2004-05-10 2006-02-16 Seiko Epson Corporation Block noise level evaluation method for compressed images and control method of imaging device utilizing the evaluation method
US7545988B2 (en) * 2004-08-09 2009-06-09 George William Meeker Image blocking artifact reduction via transform pair
US20060085541A1 (en) * 2004-10-19 2006-04-20 International Business Machines Corporation Facilitating optimization of response time in computer networks

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777620A (en) * 1985-02-20 1988-10-11 Elscint Ltd. Data compression system
US4754492A (en) * 1985-06-03 1988-06-28 Picturetel Corporation Method and system for adapting a digitized signal processing system for block processing with minimal blocking artifacts
DE3613343A1 (de) * 1986-04-19 1987-10-22 Philips Patentverwaltung Hybrid-codierer
US4903317A (en) * 1986-06-24 1990-02-20 Kabushiki Kaisha Toshiba Image processing apparatus
US5020120A (en) * 1989-12-22 1991-05-28 Eastman Kodak Company Methods for reducing quantization error in hierarchical decomposition and reconstruction schemes
US5021891A (en) * 1990-02-27 1991-06-04 Qualcomm, Inc. Adaptive block size image compression method and system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08195888A (ja) * 1995-01-13 1996-07-30 Nec Corp 画質評価装置
JP2007536774A (ja) * 2004-04-29 2007-12-13 ヒューレット−パッカード デベロップメント カンパニー エル．ピー． 画像の圧縮ノイズを推定するシステムおよび方法
JP2009105960A (ja) * 2009-02-02 2009-05-14 Seiko Epson Corp 撮影装置およびこれに用いるプログラム並びに画像記憶方法
JP2013507083A (ja) * 2009-10-05 2013-02-28 アイ．シー．ヴイ．ティー リミテッド デジタル画像を再圧縮するための装置および方法
WO2014136193A1 (ja) * 2013-03-04 2014-09-12 富士通株式会社 基地局装置、基地局システムおよびｉｑデータの圧縮方法
JPWO2014136193A1 (ja) * 2013-03-04 2017-02-09 富士通株式会社 基地局装置、基地局システムおよびｉｑデータの圧縮方法

Also Published As

Publication number Publication date
US5357584A (en) 1994-10-18
CA2088863A1 (en) 1993-08-08
EP0555061A1 (en) 1993-08-11
DE69309732T2 (de) 1997-11-13
DE69309732D1 (de) 1997-05-22
EP0555061B1 (en) 1997-04-16
TW279945B (enExample) 1996-07-01

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