FI69380C - Anordning foer aoteruppraettande och foerbaettring av en vertikal detalj i en videobild - Google Patents

Anordning foer aoteruppraettande och foerbaettring av en vertikal detalj i en videobild Download PDF

Info

Publication number
FI69380C
FI69380C FI801424A FI801424A FI69380C FI 69380 C FI69380 C FI 69380C FI 801424 A FI801424 A FI 801424A FI 801424 A FI801424 A FI 801424A FI 69380 C FI69380 C FI 69380C
Authority
FI
Finland
Prior art keywords
signal
luminance
vertical
signals
vertical detail
Prior art date
Application number
FI801424A
Other languages
English (en)
Finnish (fi)
Other versions
FI69380B (fi
FI801424A (fi
Inventor
William Adamson Lagoni
Jack Selig Fuhrer
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of FI801424A publication Critical patent/FI801424A/fi
Application granted granted Critical
Publication of FI69380B publication Critical patent/FI69380B/fi
Publication of FI69380C publication Critical patent/FI69380C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Color Television Systems (AREA)
FI801424A 1979-05-11 1980-05-02 Anordning foer aoteruppraettande och foerbaettring av en vertikal detalj i en videobild FI69380C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3820279 1979-05-11
US06/038,202 US4223339A (en) 1979-05-11 1979-05-11 Video image vertical detail restoration and enhancement

Publications (3)

Publication Number Publication Date
FI801424A FI801424A (fi) 1980-11-12
FI69380B FI69380B (fi) 1985-09-30
FI69380C true FI69380C (fi) 1986-01-10

Family

ID=21898626

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801424A FI69380C (fi) 1979-05-11 1980-05-02 Anordning foer aoteruppraettande och foerbaettring av en vertikal detalj i en videobild

Country Status (23)

Country Link
US (1) US4223339A (es)
JP (1) JPS55153489A (es)
KR (1) KR830004026A (es)
AT (1) AT383714B (es)
AU (1) AU536333B2 (es)
BE (1) BE883155A (es)
CA (1) CA1140253A (es)
DE (1) DE3017930C2 (es)
DK (1) DK147959C (es)
ES (1) ES8105911A1 (es)
FI (1) FI69380C (es)
FR (1) FR2456444B1 (es)
GB (1) GB2050110B (es)
HK (1) HK17287A (es)
IT (1) IT1131154B (es)
MY (1) MY8500729A (es)
NL (1) NL191551C (es)
NZ (1) NZ193571A (es)
PL (1) PL129458B1 (es)
PT (1) PT71199A (es)
SE (1) SE447530B (es)
SU (1) SU1082344A3 (es)
ZA (1) ZA802769B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
US4445152A (en) * 1980-09-02 1984-04-24 Karlock James A Video detail enhancing circuit
US4402006A (en) * 1981-02-23 1983-08-30 Karlock James A Image enhancer apparatus
US4365266A (en) * 1981-04-20 1982-12-21 Rca Corporation Horizontal and vertical image detail processing of a color television signal
GB8608811D0 (en) * 1986-04-11 1986-05-14 Avesco Plc Video comb filter digital decoder
JPS6327819A (ja) * 1986-07-22 1988-02-05 Nissan Motor Co Ltd エレクトロクロミツク素子
GB2250886B (en) * 1990-12-13 1995-06-14 Rank Cintel Ltd Noise reduction in video signals
US5287174A (en) * 1991-04-05 1994-02-15 Sanyo Electric Co., Ltd. Vertical resolution correcting circuit for video signal
US6172718B1 (en) * 1998-04-17 2001-01-09 S3 Incorporated Adaptive dynamic aperture correction
GB2393061B (en) * 2002-09-12 2006-08-02 Snell & Wilcox Ltd Composite decoding
TWI430653B (zh) * 2009-03-13 2014-03-11 Asustek Comp Inc 影像處理裝置及影像處理方法
TWI390961B (zh) * 2009-03-13 2013-03-21 Asustek Comp Inc 影像處理裝置及影像處理方法
US8761537B2 (en) * 2011-05-27 2014-06-24 Vixs Systems, Inc. Adaptive edge enhancement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2053513C3 (de) * 1970-10-31 1975-08-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Anordnung zur Vermeidung des Auflösungsverlustes in Vertikalrichtung eines Farbfernsehbildes
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
US4143397A (en) * 1976-04-19 1979-03-06 Rca Corporation Comb filter apparatus
US4074321A (en) * 1976-10-12 1978-02-14 The Magnavox Company Circuit for separating chroma and luminance information in a composite video signal
US4096516A (en) * 1977-03-25 1978-06-20 Rca Corporation Electronic signal processing apparatus

Also Published As

Publication number Publication date
FR2456444B1 (fr) 1985-11-08
CA1140253A (en) 1983-01-25
SU1082344A3 (ru) 1984-03-23
NL191551C (nl) 1995-09-04
BE883155A (fr) 1980-09-01
DE3017930C2 (de) 1983-01-05
PL224176A1 (es) 1981-02-27
DK147959B (da) 1985-01-14
DK204380A (da) 1980-11-12
SE8003336L (sv) 1980-11-12
AT383714B (de) 1987-08-10
PT71199A (en) 1980-06-01
GB2050110B (en) 1983-03-09
DK147959C (da) 1985-09-23
ZA802769B (en) 1981-07-29
ATA250080A (de) 1986-12-15
FR2456444A1 (fr) 1980-12-05
US4223339A (en) 1980-09-16
MY8500729A (en) 1985-12-31
FI69380B (fi) 1985-09-30
JPH0135553B2 (es) 1989-07-26
GB2050110A (en) 1980-12-31
IT8021828A0 (it) 1980-05-06
KR830004026A (ko) 1983-06-30
JPS55153489A (en) 1980-11-29
NL191551B (nl) 1995-05-01
NZ193571A (en) 1983-12-16
ES491346A0 (es) 1981-06-16
AU536333B2 (en) 1984-05-03
NL8002709A (nl) 1980-11-13
ES8105911A1 (es) 1981-06-16
SE447530B (sv) 1986-11-17
DE3017930A1 (de) 1980-11-20
PL129458B1 (en) 1984-05-31
AU5808880A (en) 1980-11-13
FI801424A (fi) 1980-11-12
HK17287A (en) 1987-03-06
IT1131154B (it) 1986-06-18

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MA Patent expired

Owner name: RCA LICENSING CORPORATION