HK1002343A1 - Encoding apparatus - Google Patents

Encoding apparatus

Info

Publication number
HK1002343A1
HK1002343A1 HK98101333A HK98101333A HK1002343A1 HK 1002343 A1 HK1002343 A1 HK 1002343A1 HK 98101333 A HK98101333 A HK 98101333A HK 98101333 A HK98101333 A HK 98101333A HK 1002343 A1 HK1002343 A1 HK 1002343A1
Authority
HK
Hong Kong
Prior art keywords
encoding apparatus
encoding
Prior art date
Application number
HK98101333A
Other languages
English (en)
Inventor
Hideki Otaka
Masakazu Nishino
Tatsuro Juri
Original Assignee
Matsushita Electric Ind 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
Priority claimed from JP28212190A external-priority patent/JP2834305B2/ja
Priority claimed from JP30738890A external-priority patent/JP2839358B2/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK1002343A1 publication Critical patent/HK1002343A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3053—Block-companding PCM systems
    • 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
    • H04N19/102—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
    • H04N19/136—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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/90—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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • 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)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK98101333A 1990-10-19 1998-02-20 Encoding apparatus HK1002343A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28212190A JP2834305B2 (ja) 1990-10-19 1990-10-19 符号化装置
JP30738890A JP2839358B2 (ja) 1990-11-13 1990-11-13 符号化装置及びその方法

Publications (1)

Publication Number Publication Date
HK1002343A1 true HK1002343A1 (en) 1998-08-14

Family

ID=26554478

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98101333A HK1002343A1 (en) 1990-10-19 1998-02-20 Encoding apparatus
HK98101879A HK1002692A1 (en) 1990-10-19 1998-03-07 Encoding apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK98101879A HK1002692A1 (en) 1990-10-19 1998-03-07 Encoding apparatus

Country Status (5)

Country Link
US (1) US5150208A (fr)
EP (2) EP0481768B1 (fr)
KR (1) KR950002677B1 (fr)
DE (2) DE69127420T2 (fr)
HK (2) HK1002343A1 (fr)

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JPH04249490A (ja) * 1991-02-06 1992-09-04 Matsushita Electric Ind Co Ltd 符号化装置
TW256010B (fr) * 1991-04-18 1995-09-01 Ampex
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JPH0583696A (ja) * 1991-06-07 1993-04-02 Sony Corp 画像符号化装置
EP0553361B1 (fr) * 1991-08-21 1997-11-19 Kabushiki Kaisha Toshiba Appareil de compression de donnees d'image
JP3532221B2 (ja) * 1991-11-05 2004-05-31 ソニー株式会社 符号化方法
US5355450A (en) 1992-04-10 1994-10-11 Avid Technology, Inc. Media composer with adjustable source material compression
JP3298915B2 (ja) * 1991-12-28 2002-07-08 ソニー株式会社 符号化装置
US5349384A (en) * 1992-01-14 1994-09-20 Sony Corporation Apparatus and methods for transmitting compressed digital image signals
JP3428033B2 (ja) * 1992-02-19 2003-07-22 株式会社日立製作所 ディジタルｖｔｒ
JPH05236427A (ja) * 1992-02-25 1993-09-10 Sony Corp 画像信号の符号化装置及び符号化方法
US5592302A (en) * 1992-03-23 1997-01-07 Canon Kabushiki Kaisha Coding method for coding pixel blocks and apparatus therefor
US5329313A (en) * 1992-04-01 1994-07-12 Intel Corporation Method and apparatus for real time compression and decompression of a digital motion video signal using a fixed Huffman table
US5325126A (en) * 1992-04-01 1994-06-28 Intel Corporation Method and apparatus for real time compression and decompression of a digital motion video signal
US5440344A (en) * 1992-04-28 1995-08-08 Mitsubishi Denki Kabushiki Kaisha Video encoder using adjacent pixel difference for quantizer control
US5367385A (en) * 1992-05-07 1994-11-22 Picturetel Corporation Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks
JP2940304B2 (ja) * 1992-06-15 1999-08-25 松下電器産業株式会社 高能率符号化装置および高能率符号化方法および高能率符号化装置の復号装置
US5291281A (en) * 1992-06-18 1994-03-01 General Instrument Corporation Adaptive coding level control for video compression systems
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
JP3132184B2 (ja) * 1992-09-04 2001-02-05 株式会社日立製作所 画像データ記録再生装置
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
US5426463A (en) * 1993-02-22 1995-06-20 Rca Thomson Licensing Corporation Apparatus for controlling quantizing in a video signal compressor
US5861921A (en) 1993-03-29 1999-01-19 Canon Kabushiki Kaisha Controlling quantization parameters based on code amount
KR0134343B1 (ko) * 1993-04-13 1998-04-29 김광호 양자화레벨을 이용한 부호화방법 및 그 장치
US5596421A (en) * 1993-06-03 1997-01-21 Matsushita Electric Industrial Co., Ltd. Optical disk recorder for video signals and an optical disk for use therein
US5724097A (en) * 1993-10-18 1998-03-03 Mitsubishi Denki Kabushiki Kaisha Adaptive quantization of video based on edge detection
EP0699003A4 (fr) * 1994-02-15 1999-10-06 Sony Corp Technique et dispostif de codage de signaux d'images
FR2718303B1 (fr) * 1994-03-30 1996-07-12 Sgs Thomson Microelectronics Circuit de quantification.
DE69523363T2 (de) * 1994-04-13 2002-05-16 Matsushita Electric Industrial Co., Ltd. Verfahren und Einrichtung zur Quantisierungsschätzung in der Datenkompression
JP3115199B2 (ja) * 1994-12-16 2000-12-04 松下電器産業株式会社 画像圧縮符号化装置
US5825970A (en) * 1994-12-20 1998-10-20 Lg Electronics Inc. Quantization number selecting apparatus for DVCR and method therefor
JPH08181987A (ja) * 1994-12-22 1996-07-12 Canon Inc 符号化装置
JP3890606B2 (ja) * 1995-03-09 2007-03-07 ソニー株式会社 画像信号符号化装置及び画像信号符号化方法
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
US5734433A (en) * 1995-06-21 1998-03-31 Sony Corporation Picture encoding apparatus, picture encoding method, picture encoding and transmitting method, and picture record medium
AU1937799A (en) * 1997-12-23 1999-07-12 Sarnoff Corporation Partial decoding of compressed video sequences
US6101278A (en) * 1998-01-30 2000-08-08 Philips Electronics North America Corp. System for extracting coding parameters from video data
US6389073B1 (en) 1998-04-07 2002-05-14 Matsushita Electric Industrial Co. Ltd Coding control method, coding control apparatus and storage medium containing coding control program
WO2000065842A1 (fr) * 1999-04-23 2000-11-02 Sony Corporation Codeur d'images et son procede
US8213498B2 (en) 2007-05-31 2012-07-03 Qualcomm Incorporated Bitrate reduction techniques for image transcoding
US20100023924A1 (en) * 2008-07-23 2010-01-28 Microsoft Corporation Non-constant data encoding for table-driven systems
JP5685683B2 (ja) * 2011-10-28 2015-03-18 株式会社Gnzo バイトアラインメント装置及びバイトアラインメント方法
WO2013154028A1 (fr) * 2012-04-13 2013-10-17 ソニー株式会社 Dispositif et procédé de traitement d'image
GB2593523B (en) * 2020-03-26 2023-06-14 Imagination Tech Ltd Image data compression

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CA1197005A (fr) * 1981-09-29 1985-11-19 Norio Suzuki Systeme comprenant un dispositif de traitement preliminaire commande suivant la quantite d'informations stockees dans un tampon
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
US4920426A (en) * 1986-11-10 1990-04-24 Kokusai Denshin Denwa Co., Ltd. Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information
US4984076A (en) * 1988-07-27 1991-01-08 Kabushiki Kaisha Toshiba Image compression coding system
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
DE69031198T2 (de) * 1989-06-09 1998-03-19 Matsushita Electric Ind Co Ltd Einrichtung zur orthogonalen Transformationskodierung
JP2839339B2 (ja) * 1990-08-06 1998-12-16 松下電器産業株式会社 直交変換符号化装置および直交変換符号化方法

Also Published As

Publication number Publication date
EP0737015A2 (fr) 1996-10-09
DE69132017T2 (de) 2000-06-29
DE69127420D1 (de) 1997-10-02
HK1002692A1 (en) 1998-09-11
EP0481768A2 (fr) 1992-04-22
US5150208A (en) 1992-09-22
EP0481768B1 (fr) 1997-08-27
DE69132017D1 (de) 2000-04-06
EP0481768A3 (en) 1993-01-20
EP0737015A3 (fr) 1997-02-26
DE69127420T2 (de) 1998-02-12
EP0737015B1 (fr) 2000-03-01
KR920009232A (ko) 1992-05-28
KR950002677B1 (ko) 1995-03-24

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20111016