JP3123134B2 - 画像縮小装置 - Google Patents

画像縮小装置

Info

Publication number
JP3123134B2
JP3123134B2 JP03195164A JP19516491A JP3123134B2 JP 3123134 B2 JP3123134 B2 JP 3123134B2 JP 03195164 A JP03195164 A JP 03195164A JP 19516491 A JP19516491 A JP 19516491A JP 3123134 B2 JP3123134 B2 JP 3123134B2
Authority
JP
Japan
Prior art keywords
circuit
image data
image
signal
missing
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
JP03195164A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0541794A (ja
Inventor
茂春 川本
正拓 中西
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP03195164A priority Critical patent/JP3123134B2/ja
Priority to US07/920,681 priority patent/US5285281A/en
Priority to EP92307046A priority patent/EP0527023B1/en
Priority to DE69223699T priority patent/DE69223699T2/de
Publication of JPH0541794A publication Critical patent/JPH0541794A/ja
Application granted granted Critical
Publication of JP3123134B2 publication Critical patent/JP3123134B2/ja
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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/403—Edge-driven scaling; Edge-based scaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Image Processing (AREA)
  • Digital Computer Display Output (AREA)
  • Studio Circuits (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Controls And Circuits For Display Device (AREA)
JP03195164A 1991-08-05 1991-08-05 画像縮小装置 Expired - Fee Related JP3123134B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP03195164A JP3123134B2 (ja) 1991-08-05 1991-08-05 画像縮小装置
US07/920,681 US5285281A (en) 1991-08-05 1992-07-28 Image processing apparatus for compressing image data at a selected compression rate
EP92307046A EP0527023B1 (en) 1991-08-05 1992-08-03 Pictorial image compression device
DE69223699T DE69223699T2 (de) 1991-08-05 1992-08-03 Bildkompressionsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03195164A JP3123134B2 (ja) 1991-08-05 1991-08-05 画像縮小装置

Publications (2)

Publication Number Publication Date
JPH0541794A JPH0541794A (ja) 1993-02-19
JP3123134B2 true JP3123134B2 (ja) 2001-01-09

Family

ID=16336497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP03195164A Expired - Fee Related JP3123134B2 (ja) 1991-08-05 1991-08-05 画像縮小装置

Country Status (4)

Country Link
US (1) US5285281A (enExample)
EP (1) EP0527023B1 (enExample)
JP (1) JP3123134B2 (enExample)
DE (1) DE69223699T2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2732772B2 (ja) * 1992-05-19 1998-03-30 松下電器産業株式会社 デジタル信号処理回路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172167B (en) * 1985-03-07 1988-06-15 Sony Corp Video signal processing
US4729012A (en) * 1985-08-30 1988-03-01 Rca Corporation Dual mode television receiver for displaying wide screen and standard aspect ratio video signals
US4694337A (en) * 1986-01-23 1987-09-15 Princeton Electronics Products, Inc. Video line rate converter
US5029017A (en) * 1986-10-08 1991-07-02 Konishiroku Photo Industry Co., Ltd. Image processing apparatus capable of enlarging/reducing apparatus
JP2767933B2 (ja) * 1989-11-14 1998-06-25 ソニー株式会社 画素数変換回路

Also Published As

Publication number Publication date
US5285281A (en) 1994-02-08
EP0527023A2 (en) 1993-02-10
EP0527023A3 (enExample) 1994-04-13
DE69223699T2 (de) 1998-07-16
JPH0541794A (ja) 1993-02-19
DE69223699D1 (de) 1998-02-05
EP0527023B1 (en) 1997-12-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees