IT8021828A0 - Rete di ripristino e di miglioramento dei segnali di dettaglio verticale di una immagine video'. - Google Patents
Rete di ripristino e di miglioramento dei segnali di dettaglio verticale di una immagine video'.Info
- Publication number
- IT8021828A0 IT8021828A0 IT8021828A IT2182880A IT8021828A0 IT 8021828 A0 IT8021828 A0 IT 8021828A0 IT 8021828 A IT8021828 A IT 8021828A IT 2182880 A IT2182880 A IT 2182880A IT 8021828 A0 IT8021828 A0 IT 8021828A0
- Authority
- IT
- Italy
- Prior art keywords
- restoration
- improvement
- network
- video image
- 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 |
---|---|
IT8021828A0 true IT8021828A0 (it) | 1980-05-06 |
IT1131154B IT1131154B (it) | 1986-06-18 |
Family
ID=21898626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21828/80A IT1131154B (it) | 1979-05-11 | 1980-05-06 | Rete di ripristino e di miflioramento dei segnali di dettaglio verticale di una immagine video' |
Country Status (23)
Country | Link |
---|---|
US (1) | US4223339A (it) |
JP (1) | JPS55153489A (it) |
KR (1) | KR830004026A (it) |
AT (1) | AT383714B (it) |
AU (1) | AU536333B2 (it) |
BE (1) | BE883155A (it) |
CA (1) | CA1140253A (it) |
DE (1) | DE3017930C2 (it) |
DK (1) | DK147959C (it) |
ES (1) | ES8105911A1 (it) |
FI (1) | FI69380C (it) |
FR (1) | FR2456444B1 (it) |
GB (1) | GB2050110B (it) |
HK (1) | HK17287A (it) |
IT (1) | IT1131154B (it) |
MY (1) | MY8500729A (it) |
NL (1) | NL191551C (it) |
NZ (1) | NZ193571A (it) |
PL (1) | PL129458B1 (it) |
PT (1) | PT71199A (it) |
SE (1) | SE447530B (it) |
SU (1) | SU1082344A3 (it) |
ZA (1) | ZA802769B (it) |
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 SE SE8003336A patent/SE447530B/sv not_active IP Right Cessation
- 1980-05-05 AU AU58088/80A patent/AU536333B2/en not_active Expired
- 1980-05-06 IT IT21828/80A patent/IT1131154B/it active
- 1980-05-07 BE BE0/200505A patent/BE883155A/fr not_active IP Right Cessation
- 1980-05-07 PT PT71199A patent/PT71199A/pt unknown
- 1980-05-08 ZA ZA00802769A patent/ZA802769B/xx unknown
- 1980-05-08 SU SU802921951A patent/SU1082344A3/ru active
- 1980-05-09 CA CA000351779A patent/CA1140253A/en not_active Expired
- 1980-05-09 DE DE3017930A patent/DE3017930C2/de not_active Expired
- 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 GB GB8015407A patent/GB2050110B/en not_active Expired
- 1980-05-09 ES ES491346A patent/ES8105911A1/es not_active Expired
- 1980-05-09 AT AT0250080A patent/AT383714B/de not_active IP Right Cessation
- 1980-05-09 DK DK204380A patent/DK147959C/da not_active IP Right Cessation
- 1980-05-09 FR FR8010435A patent/FR2456444B1/fr not_active Expired
- 1980-05-12 KR KR1019800001868A patent/KR830004026A/ko unknown
- 1980-05-12 PL PL1980224176A patent/PL129458B1/pl 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
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970529 |