FI861102A0 - Rekursivt digitalt videosignalfilter av foersta graden. - Google Patents
Rekursivt digitalt videosignalfilter av foersta graden.Info
- Publication number
- FI861102A0 FI861102A0 FI861102A FI861102A FI861102A0 FI 861102 A0 FI861102 A0 FI 861102A0 FI 861102 A FI861102 A FI 861102A FI 861102 A FI861102 A FI 861102A FI 861102 A0 FI861102 A0 FI 861102A0
- Authority
- FI
- Finland
- Prior art keywords
- videosignalfilter
- foersta
- graden
- recurrent
- digital
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
- H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Picture Signal Circuits (AREA)
- Image Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8500805A NL8500805A (nl) | 1985-03-20 | 1985-03-20 | Recursief eerste orde digitaal videosignaalfilter. |
Publications (2)
Publication Number | Publication Date |
---|---|
FI861102A0 true FI861102A0 (fi) | 1986-03-17 |
FI861102A FI861102A (fi) | 1986-09-21 |
Family
ID=19845710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI861102A FI861102A (fi) | 1985-03-20 | 1986-03-17 | Rekursivt digitalt videosignalfilter av foersta graden. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4809207A (fi) |
EP (1) | EP0195482B1 (fi) |
JP (1) | JPS61218217A (fi) |
DE (1) | DE3672857D1 (fi) |
FI (1) | FI861102A (fi) |
NL (1) | NL8500805A (fi) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4727506A (en) * | 1985-03-25 | 1988-02-23 | Rca Corporation | Digital scaling circuitry with truncation offset compensation |
GB2217535B (en) * | 1988-04-15 | 1992-12-16 | Racal Res Ltd | Digital circuit arrangement |
US4928258A (en) * | 1989-05-08 | 1990-05-22 | The United States Of America As Represented By The Secretary Of The Air Force | Recursive median filtering |
JP2647967B2 (ja) * | 1989-06-08 | 1997-08-27 | 株式会社 ケンウッド | ディジタルフィルタ |
US5060180A (en) * | 1990-07-26 | 1991-10-22 | Unisys Corporation | Programmable digital loop filter |
US5218650A (en) * | 1991-01-02 | 1993-06-08 | Ricoh Corporation | Quantization method for use in image compression |
WO1994022219A1 (de) * | 1993-03-24 | 1994-09-29 | Blaupunkt-Werke Gmbh | Digitales filter |
DE4408768C1 (de) * | 1994-03-15 | 1995-05-04 | Siemens Ag | Verfahren zur Filterung einer digitalen Wertefolge mit verbessertem Rauschverhalten und Schaltungsanordnung zur Durchführung des Verfahrens |
JPH08172343A (ja) * | 1994-12-15 | 1996-07-02 | Sony Corp | Iir型ディジタルフィルタの構成方法 |
DE10125000A1 (de) * | 2001-05-22 | 2002-12-12 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Unterdrückung von Grenzzyklen bei Noise-Shaping-Filtern |
US20030163501A1 (en) * | 2001-05-30 | 2003-08-28 | Sony Corporation And Sony Electronics Inc. | Implementation to avoid overflow in IIR filter |
GB0620819D0 (en) | 2006-10-20 | 2006-11-29 | Calrec Audio Ltd | Digital signal processing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL169535C (nl) * | 1974-11-14 | 1982-07-16 | Philips Nv | Digitale signaalbewerkingsinrichting met gestuurde kwantisering. |
US4195350A (en) * | 1978-06-19 | 1980-03-25 | Cbs Inc. | Method and apparatus for eliminating deadband in digital recursive filters |
US4236224A (en) * | 1978-12-26 | 1980-11-25 | Rockwell International Corporation | Low roundoff noise digital filter |
US4589084A (en) * | 1983-05-16 | 1986-05-13 | Rca Corporation | Apparatus for symmetrically truncating two's complement binary signals as for use with interleaved quadrature signals |
-
1985
- 1985-03-20 NL NL8500805A patent/NL8500805A/nl not_active Application Discontinuation
-
1986
- 1986-02-14 US US06/829,574 patent/US4809207A/en not_active Expired - Fee Related
- 1986-03-13 DE DE8686200402T patent/DE3672857D1/de not_active Expired - Lifetime
- 1986-03-13 EP EP86200402A patent/EP0195482B1/en not_active Expired
- 1986-03-17 FI FI861102A patent/FI861102A/fi not_active Application Discontinuation
- 1986-03-17 JP JP61059078A patent/JPS61218217A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3672857D1 (de) | 1990-08-30 |
US4809207A (en) | 1989-02-28 |
FI861102A (fi) | 1986-09-21 |
NL8500805A (nl) | 1986-10-16 |
EP0195482B1 (en) | 1990-07-25 |
JPS61218217A (ja) | 1986-09-27 |
EP0195482A1 (en) | 1986-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN |