DE69732014D1 - Signalverarbeitungsverfahren und -schaltung zur Formatumwandlung eines Bildsignals - Google Patents

Signalverarbeitungsverfahren und -schaltung zur Formatumwandlung eines Bildsignals

Info

Publication number
DE69732014D1
DE69732014D1 DE69732014T DE69732014T DE69732014D1 DE 69732014 D1 DE69732014 D1 DE 69732014D1 DE 69732014 T DE69732014 T DE 69732014T DE 69732014 T DE69732014 T DE 69732014T DE 69732014 D1 DE69732014 D1 DE 69732014D1
Authority
DE
Germany
Prior art keywords
circuit
processing method
format conversion
signal processing
image signal
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
DE69732014T
Other languages
English (en)
Other versions
DE69732014T2 (de
Inventor
Yasuhiro Hirano
Kazuo Ishikura
Masato Sugiyama
Mitsuo Nakajima
Shoji Kimura
Toshiyuki Kurita
Tsuguo Itagaki
Haruki Takata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17515373&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69732014(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69732014D1 publication Critical patent/DE69732014D1/de
Publication of DE69732014T2 publication Critical patent/DE69732014T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Systems (AREA)
  • Color Television Systems (AREA)
  • Details Of Television Scanning (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
DE69732014T 1996-10-15 1997-10-15 Signalverarbeitungsverfahren und -schaltung zum Umwandeln des Formats eines Bildsignals Expired - Lifetime DE69732014T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27254396A JP3953561B2 (ja) 1996-10-15 1996-10-15 画像信号のフォーマット変換信号処理方法及び回路
JP27254396 1996-10-15

Publications (2)

Publication Number Publication Date
DE69732014D1 true DE69732014D1 (de) 2005-01-27
DE69732014T2 DE69732014T2 (de) 2005-08-11

Family

ID=17515373

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69732014T Expired - Lifetime DE69732014T2 (de) 1996-10-15 1997-10-15 Signalverarbeitungsverfahren und -schaltung zum Umwandeln des Formats eines Bildsignals

Country Status (4)

Country Link
US (1) US6144412A (de)
EP (1) EP0837601B1 (de)
JP (1) JP3953561B2 (de)
DE (1) DE69732014T2 (de)

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Also Published As

Publication number Publication date
US6144412A (en) 2000-11-07
JPH10126748A (ja) 1998-05-15
EP0837601A3 (de) 1998-05-13
EP0837601A2 (de) 1998-04-22
JP3953561B2 (ja) 2007-08-08
DE69732014T2 (de) 2005-08-11
EP0837601B1 (de) 2004-12-22

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