NO174570C - Kosmetikkfilter til glatting av regenererte bilder, f.eks. etter signalkomprimering for overföring på smalbåndsnett - Google Patents

Kosmetikkfilter til glatting av regenererte bilder, f.eks. etter signalkomprimering for overföring på smalbåndsnett

Info

Publication number
NO174570C
NO174570C NO913536A NO913536A NO174570C NO 174570 C NO174570 C NO 174570C NO 913536 A NO913536 A NO 913536A NO 913536 A NO913536 A NO 913536A NO 174570 C NO174570 C NO 174570C
Authority
NO
Norway
Prior art keywords
filter
lowpass
signal
pct
smoothing
Prior art date
Application number
NO913536A
Other languages
English (en)
Other versions
NO913536L (no
NO913536D0 (no
NO174570B (no
Inventor
Gisle Bjoentegaard
Original Assignee
Teledirektoratets Forskningsav
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 Teledirektoratets Forskningsav filed Critical Teledirektoratets Forskningsav
Priority to NO913536A priority Critical patent/NO174570C/no
Publication of NO913536D0 publication Critical patent/NO913536D0/no
Priority to DE69224306T priority patent/DE69224306T2/de
Priority to AU25967/92A priority patent/AU2596792A/en
Priority to AT92920204T priority patent/ATE162917T1/de
Priority to EP92920204A priority patent/EP0624302B1/en
Priority to US08/204,256 priority patent/US5488420A/en
Priority to PCT/NO1992/000144 priority patent/WO1993005612A1/en
Publication of NO913536L publication Critical patent/NO913536L/no
Publication of NO174570B publication Critical patent/NO174570B/no
Publication of NO174570C publication Critical patent/NO174570C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0225—Measures concerning the multipliers
    • H03H17/0226—Measures concerning the multipliers comprising look-up tables

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Peptides Or Proteins (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
NO913536A 1991-09-09 1991-09-09 Kosmetikkfilter til glatting av regenererte bilder, f.eks. etter signalkomprimering for overföring på smalbåndsnett NO174570C (no)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO913536A NO174570C (no) 1991-09-09 1991-09-09 Kosmetikkfilter til glatting av regenererte bilder, f.eks. etter signalkomprimering for overföring på smalbåndsnett
DE69224306T DE69224306T2 (de) 1991-09-09 1992-09-08 Kosmetikfilter zur glättung von regenerierten bildern, zum beispiel nach signalkompression zur übertragung in schmalbandigem netzwerk
AU25967/92A AU2596792A (en) 1991-09-09 1992-09-08 Cosmetics filter for smoothing regenerated pictures, e.g. after signal compressing for transmission in a narrowband network
AT92920204T ATE162917T1 (de) 1991-09-09 1992-09-08 Kosmetikfilter zur glättung von regenerierten bildern, zum beispiel nach signalkompression zur übertragung in schmalbandigem netzwerk
EP92920204A EP0624302B1 (en) 1991-09-09 1992-09-08 Cosmetics filter for smoothing regenerated pictures, e.g. after signal compressing for transmission in a narrowband network
US08/204,256 US5488420A (en) 1991-09-09 1992-09-08 Cosmetics filter for smoothing regenerated pictures, e.g. after signal compressing for transmission in a narrowband network
PCT/NO1992/000144 WO1993005612A1 (en) 1991-09-09 1992-09-08 Cosmetics filter for smoothing regenerated pictures, e.g. after signal compressing for transmission in a narrowband network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO913536A NO174570C (no) 1991-09-09 1991-09-09 Kosmetikkfilter til glatting av regenererte bilder, f.eks. etter signalkomprimering for overföring på smalbåndsnett

Publications (4)

Publication Number Publication Date
NO913536D0 NO913536D0 (no) 1991-09-09
NO913536L NO913536L (no) 1993-03-10
NO174570B NO174570B (no) 1994-02-14
NO174570C true NO174570C (no) 1994-05-25

Family

ID=19894442

Family Applications (1)

Application Number Title Priority Date Filing Date
NO913536A NO174570C (no) 1991-09-09 1991-09-09 Kosmetikkfilter til glatting av regenererte bilder, f.eks. etter signalkomprimering for overföring på smalbåndsnett

Country Status (7)

Country Link
US (1) US5488420A (no)
EP (1) EP0624302B1 (no)
AT (1) ATE162917T1 (no)
AU (1) AU2596792A (no)
DE (1) DE69224306T2 (no)
NO (1) NO174570C (no)
WO (1) WO1993005612A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921763C2 (de) * 1999-05-11 2001-05-10 Siemens Ag Verfahren zum Rekonstruieren eines Signales eines Defektdetektorelementes eines Strahlendetektors, der mehrere Detektorelemente aufweist und nach diesem Verfahren arbeitende medizinische Einrichtung
US7136536B2 (en) * 2004-12-22 2006-11-14 Telefonaktiebolaget L M Ericsson (Publ) Adaptive filter
US10091533B2 (en) 2016-02-18 2018-10-02 Cisco Technology, Inc. Generalized filter for removing video compression artifacts

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367490A (en) * 1981-04-24 1983-01-04 General Electric Company Noise reduction in digital fluoroscopy systems
FR2507041B1 (fr) * 1981-05-27 1985-10-18 Thomson Csf Dispositif correcteur d'un signal videofrequence de television par attenuation dynamique du niveau du bruit et source d'images de television comportant un tel dispositif
NL8401309A (nl) * 1984-04-24 1985-11-18 Philips Nv Kleurentelevisiekamera uitgevoerd met verscheidene opneemelementen.
US4652907A (en) * 1985-03-25 1987-03-24 Rca Corporation Apparatus for adaptively controlling a video signal recursive filter
US4700226A (en) * 1986-10-17 1987-10-13 Rca Corporation Rate buffer control of predicted signal decimation and interpolation for adaptive differential pulse code modulator
JPH07105929B2 (ja) * 1986-11-11 1995-11-13 松下電器産業株式会社 映像信号処理装置
JPH02275588A (ja) * 1989-04-18 1990-11-09 Toshiba Corp リカーシブフィルタおよびこれを用いた画像表示装置
JP3015479B2 (ja) * 1991-03-04 2000-03-06 株式会社東芝 画像処理装置

Also Published As

Publication number Publication date
NO913536L (no) 1993-03-10
NO913536D0 (no) 1991-09-09
EP0624302B1 (en) 1998-01-28
ATE162917T1 (de) 1998-02-15
US5488420A (en) 1996-01-30
WO1993005612A1 (en) 1993-03-18
NO174570B (no) 1994-02-14
DE69224306T2 (de) 1998-06-10
DE69224306D1 (de) 1998-03-05
AU2596792A (en) 1993-04-05
EP0624302A1 (en) 1994-11-17

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