DE69319377D1 - Verfahren und Vorrichtung zur Verbesserung der Bildschärfe - Google Patents
Verfahren und Vorrichtung zur Verbesserung der BildschärfeInfo
- Publication number
- DE69319377D1 DE69319377D1 DE69319377T DE69319377T DE69319377D1 DE 69319377 D1 DE69319377 D1 DE 69319377D1 DE 69319377 T DE69319377 T DE 69319377T DE 69319377 T DE69319377 T DE 69319377T DE 69319377 D1 DE69319377 D1 DE 69319377D1
- Authority
- DE
- Germany
- Prior art keywords
- image sharpness
- improving image
- sharpness
- improving
- image
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
- H04N3/32—Velocity varied in dependence upon picture information
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92401233 | 1992-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69319377D1 true DE69319377D1 (de) | 1998-08-06 |
DE69319377T2 DE69319377T2 (de) | 1998-10-29 |
Family
ID=8211657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69319377T Expired - Fee Related DE69319377T2 (de) | 1992-04-30 | 1993-04-22 | Verfahren und Vorrichtung zur Verbesserung der Bildschärfe |
Country Status (3)
Country | Link |
---|---|
US (1) | US5491521A (de) |
DE (1) | DE69319377T2 (de) |
SG (1) | SG49305A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6509936B1 (en) * | 1996-11-01 | 2003-01-21 | Koninklijke Philips Electronics N.V. | Cathode ray tube with magnetic coil for display enhancement |
US6424381B1 (en) * | 1998-06-26 | 2002-07-23 | Lsi Logic Corporation | Filtering decimation technique in a digital video system |
US6493040B1 (en) * | 1999-05-26 | 2002-12-10 | Thomson Licensing S.A. | Scan velocity modulation circuit with multi-mode operation |
WO2002017623A1 (en) * | 2000-08-23 | 2002-02-28 | Ch.1 Inc. | An internet access device |
US8430863B2 (en) * | 2005-12-02 | 2013-04-30 | Abbott Cardiovascular Systems Inc. | Visualization of a catheter viewed under ultrasound imaging |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3980819A (en) * | 1974-11-01 | 1976-09-14 | Zenith Radio Corporation | Edge enhancement for television images |
US4080628A (en) * | 1977-03-14 | 1978-03-21 | Zenith Radio Corporation | Expanded-signal image enhancement system |
JPS61225978A (ja) * | 1985-03-29 | 1986-10-07 | Pioneer Electronic Corp | テレビジヨン走査方式 |
BR8807572A (pt) * | 1988-04-14 | 1990-04-10 | Inst Registratsii Inf An Ukssr | Dispositivo para representacao visual de informacao |
US5014119A (en) * | 1989-08-25 | 1991-05-07 | Faroudja Y C | Horizontal and vertical transition level enhancement within television system |
US5196941A (en) * | 1990-08-02 | 1993-03-23 | Rca Licensing Corporation | Beam scan velocity modulation apparatus |
US5351094A (en) * | 1993-01-21 | 1994-09-27 | Funai Electric Co., Ltd. | Television receiver with scan velocity modulation being adjusted according to aspect ratio |
-
1993
- 1993-04-22 DE DE69319377T patent/DE69319377T2/de not_active Expired - Fee Related
- 1993-04-22 SG SG1996008939A patent/SG49305A1/en unknown
- 1993-10-29 US US08/145,981 patent/US5491521A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5491521A (en) | 1996-02-13 |
DE69319377T2 (de) | 1998-10-29 |
SG49305A1 (en) | 1998-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |