KR100254505B1 - 부호화 장치 - Google Patents

부호화 장치 Download PDF

Info

Publication number
KR100254505B1
KR100254505B1 KR1019920024559A KR920024559A KR100254505B1 KR 100254505 B1 KR100254505 B1 KR 100254505B1 KR 1019920024559 A KR1019920024559 A KR 1019920024559A KR 920024559 A KR920024559 A KR 920024559A KR 100254505 B1 KR100254505 B1 KR 100254505B1
Authority
KR
South Korea
Prior art keywords
block
data
dct
circuit
dividing
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
KR1019920024559A
Other languages
English (en)
Korean (ko)
Other versions
KR930015821A (ko
Inventor
야마다다까아끼
오까다히로시
야나기하라나오후미
Original Assignee
이데이 노부유끼
소니 가부시끼 가이샤
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 이데이 노부유끼, 소니 가부시끼 가이샤 filed Critical 이데이 노부유끼
Publication of KR930015821A publication Critical patent/KR930015821A/ko
Application granted granted Critical
Publication of KR100254505B1 publication Critical patent/KR100254505B1/ko
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
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—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
    • H04N19/169—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
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
    • 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
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction 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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
KR1019920024559A 1991-12-28 1992-12-17 부호화 장치 Expired - Lifetime KR100254505B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35863191A JP3298915B2 (ja) 1991-12-28 1991-12-28 符号化装置
JP91-358631 1991-12-28

Publications (2)

Publication Number Publication Date
KR930015821A KR930015821A (ko) 1993-07-24
KR100254505B1 true KR100254505B1 (ko) 2000-05-01

Family

ID=18460315

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920024559A Expired - Lifetime KR100254505B1 (ko) 1991-12-28 1992-12-17 부호화 장치

Country Status (7)

Country Link
US (1) US5347310A (enExample)
EP (1) EP0550012B1 (enExample)
JP (1) JP3298915B2 (enExample)
KR (1) KR100254505B1 (enExample)
AU (1) AU653877B2 (enExample)
CA (1) CA2086316C (enExample)
DE (1) DE69226160T2 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355450A (en) 1992-04-10 1994-10-11 Avid Technology, Inc. Media composer with adjustable source material compression
JP2518503B2 (ja) * 1993-03-08 1996-07-24 日本電気株式会社 画面切り替え検出方法
US6674897B1 (en) * 1993-09-08 2004-01-06 Sony Corporation Picture data compression device and red data detection device
JP3202433B2 (ja) * 1993-09-17 2001-08-27 株式会社リコー 量子化装置、逆量子化装置及び画像処理装置並びに量子化方法、逆量子化方法及び画像処理方法
US5617333A (en) * 1993-11-29 1997-04-01 Kokusai Electric Co., Ltd. Method and apparatus for transmission of image data
KR0129573B1 (ko) * 1994-04-30 1998-04-10 배순훈 디지탈 화상 복호화를 위한 디씨(dc) 계수의 오차보상 방법
JP3336754B2 (ja) * 1994-08-19 2002-10-21 ソニー株式会社 デジタルビデオ信号の記録方法及び記録装置
US5644504A (en) * 1995-03-27 1997-07-01 International Business Machines Corporation Dynamically partitionable digital video encoder processor
US5819004A (en) * 1995-05-08 1998-10-06 Kabushiki Kaisha Toshiba Method and system for a user to manually alter the quality of previously encoded video frames
US6026232A (en) * 1995-07-13 2000-02-15 Kabushiki Kaisha Toshiba Method and system to replace sections of an encoded video bitstream
US5684714A (en) * 1995-05-08 1997-11-04 Kabushiki Kaisha Toshiba Method and system for a user to manually alter the quality of a previously encoded video sequence
US6574416B1 (en) * 1995-11-02 2003-06-03 Videa, Llc Picture-based video indexing system
JPH10117350A (ja) * 1996-10-09 1998-05-06 Matsushita Electric Ind Co Ltd アナログ処理方式の画像符号化装置
US6037985A (en) * 1996-10-31 2000-03-14 Texas Instruments Incorporated Video compression
US6339614B1 (en) * 1996-12-20 2002-01-15 Intel Corporation Method and apparatus for quantizing and run length encoding transform coefficients in a video coder
US6594398B1 (en) * 1998-03-06 2003-07-15 Divio, Inc. Method and apparatus for run-length encoding video data
US7221761B1 (en) * 2000-09-18 2007-05-22 Sharp Laboratories Of America, Inc. Error resilient digital video scrambling
US7130876B2 (en) * 2001-11-30 2006-10-31 General Instrument Corporation Systems and methods for efficient quantization
US6943716B2 (en) * 2003-03-28 2005-09-13 Ess Technology, Inc. Variable rate sigma delta modulator
US7564874B2 (en) 2004-09-17 2009-07-21 Uni-Pixel Displays, Inc. Enhanced bandwidth data encoding method
EP1890475A1 (en) * 2006-08-15 2008-02-20 STMicroelectronics (Research & Development) Limited Video frame buffer
US8345162B2 (en) * 2007-07-31 2013-01-01 Verint Systems Inc. Systems and methods for triggering an out of focus alert
US20110090952A1 (en) * 2009-10-21 2011-04-21 Cohen Robert A Directional Transforms for Video and Image Coding
KR101650381B1 (ko) * 2010-02-02 2016-08-23 엘지전자 주식회사 입체 영상 보정 장치 및 방법
EP2678944B1 (en) 2011-02-25 2019-11-06 BlackBerry Limited Methods and devices for data compression using offset-based adaptive reconstruction levels
EP2575364B1 (en) 2011-09-30 2020-03-18 BlackBerry Limited Methods and devices for data compression using a non-uniform reconstruction space
US20130083845A1 (en) 2011-09-30 2013-04-04 Research In Motion Limited Methods and devices for data compression using a non-uniform reconstruction space
EP2595382B1 (en) 2011-11-21 2019-01-09 BlackBerry Limited Methods and devices for encoding and decoding transform domain filters

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE25177T1 (de) * 1982-10-14 1987-02-15 British Telecomm Bilduebertragung.
US4698672A (en) * 1986-10-27 1987-10-06 Compression Labs, Inc. Coding system for reducing redundancy
BE1000643A5 (fr) * 1987-06-05 1989-02-28 Belge Etat Procede de codage de signaux d'image.
US4972260A (en) * 1988-08-22 1990-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for coding a moving-picture signal
EP0366435B1 (en) * 1988-10-27 1998-12-23 Matsushita Electric Industrial Co., Ltd. Orthogonal and inverse orthogonal transform apparatus
JPH0797753B2 (ja) * 1989-01-24 1995-10-18 日本ビクター株式会社 符号化出力データ量の制御方式
US5073821A (en) * 1989-01-30 1991-12-17 Matsushita Electric Industrial Co., Ltd. Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted
JPH02226886A (ja) * 1989-02-28 1990-09-10 Sony Corp データ伝送装置及び伝送方法
FR2660139B1 (fr) * 1990-03-23 1995-08-25 France Etat Procede de codage et de transmission a au moins deux niveaux de qualite d'images numeriques appartenant a une sequence d'images, et dispositifs correspondants.
US5150208A (en) * 1990-10-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Encoding apparatus

Also Published As

Publication number Publication date
EP0550012A3 (enExample) 1994-04-20
EP0550012B1 (en) 1998-07-08
DE69226160D1 (de) 1998-08-13
AU3044292A (en) 1993-07-01
AU653877B2 (en) 1994-10-13
KR930015821A (ko) 1993-07-24
JPH05183890A (ja) 1993-07-23
US5347310A (en) 1994-09-13
CA2086316A1 (en) 1993-06-29
EP0550012A2 (en) 1993-07-07
JP3298915B2 (ja) 2002-07-08
DE69226160T2 (de) 1998-11-12
CA2086316C (en) 2003-05-13

Similar Documents

Publication Publication Date Title
KR100254505B1 (ko) 부호화 장치
EP0862339B1 (en) Method and apparatus for converting color component type of picture signals, method and apparatus for converting compression format of picture signals and system for providing picture signals of a required compression format
US5420636A (en) Apparatus for and method of transmitting video signal
JPH05236427A (ja) 画像信号の符号化装置及び符号化方法
JPH0583696A (ja) 画像符号化装置
JPH0522715A (ja) 画像符号化装置
JP3140487B2 (ja) 画像記録再生装置
JPH04373286A (ja) 画像符号化装置
US5745644A (en) Method and apparatus for encoding a digital video signal
JP2552349B2 (ja) 画像信号圧縮符号化装置
JPH07111633A (ja) 画像圧縮記録再生装置
JP2835770B2 (ja) 動画像符号化制御方式
JP3191803B2 (ja) 信号処理装置及び方法
JP3334255B2 (ja) 高能率符号化装置
JP2638179B2 (ja) 画像信号圧縮符号化装置および画像信号圧縮伸長システム
JPH1188183A (ja) ウェーブレット変換装置およびその方法並びにウェーブレット逆変換装置およびその方法並びに画像符号化装置およびその方法並びに画像復号化装置およびその方法
JPH06113140A (ja) 画像処理装置
JP2846206B2 (ja) サブバンド符号化装置
JPH05176311A (ja) 画像符号化装置
JPH05130424A (ja) 画像符号化装置
JPH06165147A (ja) 画像信号伝送方式、画像信号符号化装置、画像信号復号化装置及び画像信号伝送システム
JPH05219497A (ja) 画像信号の符号化装置及び符号化方法
JPH06319128A (ja) 画像符号化装置
JPH05183870A (ja) ディジタル画像信号の記録装置
JPH0530536A (ja) 画像符号化装置

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19921217

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19970326

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19921217

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19990504

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19991110

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20000202

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20000203

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20030127

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20040126

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20050131

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20060131

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20070131

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20080128

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20090123

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20100128

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20110125

Start annual number: 12

End annual number: 12

FPAY Annual fee payment

Payment date: 20120125

Year of fee payment: 13

PR1001 Payment of annual fee

Payment date: 20120125

Start annual number: 13

End annual number: 13

EXPY Expiration of term
PC1801 Expiration of term

Termination date: 20130909

Termination category: Expiration of duration