SE447530B - Anordning for vertikaldetaljaterstellning och -stegring i en videobild - Google Patents
Anordning for vertikaldetaljaterstellning och -stegring i en videobildInfo
- Publication number
- SE447530B SE447530B SE8003336A SE8003336A SE447530B SE 447530 B SE447530 B SE 447530B SE 8003336 A SE8003336 A SE 8003336A SE 8003336 A SE8003336 A SE 8003336A SE 447530 B SE447530 B SE 447530B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- luminance
- amplitude
- frequency
- vertical detail
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/038,202 US4223339A (en) | 1979-05-11 | 1979-05-11 | Video image vertical detail restoration and enhancement |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8003336L SE8003336L (sv) | 1980-11-12 |
SE447530B true SE447530B (sv) | 1986-11-17 |
Family
ID=21898626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8003336A SE447530B (sv) | 1979-05-11 | 1980-05-05 | Anordning for vertikaldetaljaterstellning och -stegring i en videobild |
Country Status (23)
Country | Link |
---|---|
US (1) | US4223339A (fr) |
JP (1) | JPS55153489A (fr) |
KR (1) | KR830004026A (fr) |
AT (1) | AT383714B (fr) |
AU (1) | AU536333B2 (fr) |
BE (1) | BE883155A (fr) |
CA (1) | CA1140253A (fr) |
DE (1) | DE3017930C2 (fr) |
DK (1) | DK147959C (fr) |
ES (1) | ES491346A0 (fr) |
FI (1) | FI69380C (fr) |
FR (1) | FR2456444B1 (fr) |
GB (1) | GB2050110B (fr) |
HK (1) | HK17287A (fr) |
IT (1) | IT1131154B (fr) |
MY (1) | MY8500729A (fr) |
NL (1) | NL191551C (fr) |
NZ (1) | NZ193571A (fr) |
PL (1) | PL129458B1 (fr) |
PT (1) | PT71199A (fr) |
SE (1) | SE447530B (fr) |
SU (1) | SU1082344A3 (fr) |
ZA (1) | ZA802769B (fr) |
Families Citing this family (13)
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 |
GB2420671B (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)
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 |
-
1979
- 1979-05-11 US US06/038,202 patent/US4223339A/en not_active Expired - Lifetime
-
1980
- 1980-04-30 NZ NZ193571A patent/NZ193571A/xx unknown
- 1980-05-02 FI FI801424A patent/FI69380C/fi not_active IP Right Cessation
- 1980-05-05 AU AU58088/80A patent/AU536333B2/en not_active Expired
- 1980-05-05 SE SE8003336A patent/SE447530B/sv not_active IP Right Cessation
- 1980-05-06 IT IT21828/80A patent/IT1131154B/it active
- 1980-05-07 PT PT71199A patent/PT71199A/pt unknown
- 1980-05-07 BE BE0/200505A patent/BE883155A/fr not_active IP Right Cessation
- 1980-05-08 ZA ZA00802769A patent/ZA802769B/xx unknown
- 1980-05-08 SU SU802921951A patent/SU1082344A3/ru active
- 1980-05-09 AT AT0250080A patent/AT383714B/de not_active IP Right Cessation
- 1980-05-09 CA CA000351779A patent/CA1140253A/fr not_active Expired
- 1980-05-09 DK DK204380A patent/DK147959C/da not_active IP Right Cessation
- 1980-05-09 JP JP6216280A patent/JPS55153489A/ja active Granted
- 1980-05-09 NL NL8002709A patent/NL191551C/xx not_active IP Right Cessation
- 1980-05-09 ES ES491346A patent/ES491346A0/es active Granted
- 1980-05-09 GB GB8015407A patent/GB2050110B/en not_active Expired
- 1980-05-09 FR FR8010435A patent/FR2456444B1/fr not_active Expired
- 1980-05-09 DE DE3017930A patent/DE3017930C2/de not_active Expired
- 1980-05-12 PL PL1980224176A patent/PL129458B1/pl unknown
- 1980-05-12 KR KR1019800001868A patent/KR830004026A/ko unknown
-
1985
- 1985-12-30 MY MY729/85A patent/MY8500729A/xx unknown
-
1987
- 1987-02-26 HK HK172/87A patent/HK17287A/xx not_active IP Right Cessation
Also Published As
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Publication | Publication Date | Title |
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US4163258A (en) | Noise reduction system | |
US3700793A (en) | Frequency interleaved video multiplex system | |
US4142211A (en) | Bidimensional noise reduction system for television | |
US4245237A (en) | Controllable non-linear processing of video signals | |
SE447530B (sv) | Anordning for vertikaldetaljaterstellning och -stegring i en videobild | |
US4365266A (en) | Horizontal and vertical image detail processing of a color television signal | |
FI72022B (fi) | Anordning foer behandling av en vertikaldetalj signal i en videobild | |
US4263612A (en) | Comb filter equalization circuit | |
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GB2049347A (en) | Video signal processing circuit having a non-linear transfer function | |
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JPH04632Y2 (fr) | ||
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