JPH06217297A - 適応型ｄｐｃｍコーダー - Google Patents

適応型ｄｐｃｍコーダー

Info

Publication number
JPH06217297A
JPH06217297A JP5224253A JP22425393A JPH06217297A JP H06217297 A JPH06217297 A JP H06217297A JP 5224253 A JP5224253 A JP 5224253A JP 22425393 A JP22425393 A JP 22425393A JP H06217297 A JPH06217297 A JP H06217297A
Authority
JP
Japan
Prior art keywords
quantizer
predictor
threshold
operatively connected
coder
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
JP5224253A
Other languages
English (en)
Japanese (ja)
Inventor
Wenjun Dr Zhang
ツァン ウェンユン
Tom Barthel
バーテル トム
Jean Wenger
ヴァンジェ ジャン
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JPH06217297A publication Critical patent/JPH06217297A/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
    • H04N19/10—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
JP5224253A 1992-09-14 1993-09-09 適応型ｄｐｃｍコーダー Pending JPH06217297A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4230728A DE4230728A1 (de) 1992-09-14 1992-09-14 Adaptiver DPCM-Kodierer
DE4230728.7 1992-09-14

Publications (1)

Publication Number Publication Date
JPH06217297A true JPH06217297A (ja) 1994-08-05

Family

ID=6467928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5224253A Pending JPH06217297A (ja) 1992-09-14 1993-09-09 適応型ｄｐｃｍコーダー

Country Status (5)

Country Link
EP (1) EP0588419A2 (https=)
JP (1) JPH06217297A (https=)
CN (1) CN1086071A (https=)
AU (1) AU4731893A (https=)
DE (1) DE4230728A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1878311B (zh) * 2001-11-27 2013-04-03 三星电子株式会社 用于编码和解码比特流和并列内插器的装置和方法
EP1331824A3 (en) * 2001-11-27 2005-09-14 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of coordinate interpolator
US8112247B2 (en) * 2006-03-24 2012-02-07 International Business Machines Corporation Resource adaptive spectrum estimation of streaming data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555682A (en) * 1978-10-20 1980-04-23 Nec Corp Coding unit for television signal
DE3511713A1 (de) * 1985-03-29 1986-10-02 Siemens AG, 1000 Berlin und 8000 München Adaptiv gesteuerter dpcm-coder/decoder
GB8703354D0 (en) * 1987-02-13 1987-03-18 British Telecomm Coder

Also Published As

Publication number Publication date
EP0588419A2 (de) 1994-03-23
AU4731893A (en) 1994-03-24
CN1086071A (zh) 1994-04-27
DE4230728A1 (de) 1994-03-17
EP0588419A3 (https=) 1994-08-31

Similar Documents

Publication Publication Date Title
US5731837A (en) Quantization circuitry as for video signal compression systems
US4833535A (en) Image transmission apparatus
EP0660612B1 (en) Image encoding apparatus
US6212232B1 (en) Rate control and bit allocation for low bit rate video communication applications
US6026190A (en) Image signal encoding with variable low-pass filter
US5638126A (en) Method and apparatus for deciding quantization parameter
US5638125A (en) Quantization step size control apparatus using neural networks
US4683494A (en) Inter-frame predictive coding apparatus for video signal
US5521643A (en) Adaptively coding method and apparatus utilizing variation in quantization step size
US5596602A (en) Data compression rate control method and apparatus
JP2894067B2 (ja) 動画像符号化制御方法および動画像符号化装置
EP0427108B1 (en) Picture coding apparatus
US5506623A (en) Data compression methods and systems with quantization distortion measurement means
US5508745A (en) Apparatus for controlling a quantization level to be modified by a motion vector
JPH06217297A (ja) 適応型ｄｐｃｍコーダー
JPH05260458A (ja) ビデオシグナルのイメージコーディングのための方法及び装置
JP3152148B2 (ja) 画像符号化装置
JPH0526396B2 (https=)
JPH06113271A (ja) 画像信号符号化装置
JPH0316491A (ja) 動画像符号化装置
USRE36680E (en) Moving-image signal encoding apparatus with variably selected quantization step size
KR950009678B1 (ko) 적응적 영상 부호화 장치
KR0148150B1 (ko) 영상데이타의 복잡도에 따른 적응양자화스텝사이즈 결정방법 및 그 장치
JPH06217284A (ja) 画像符号化装置
JP3368164B2 (ja) 符号化復号化システム