SE438231B - Apparat for uppdelning av en bildrepresenterande fergvideosignal i luminans- och krominanskomponenter - Google Patents
Apparat for uppdelning av en bildrepresenterande fergvideosignal i luminans- och krominanskomponenterInfo
- Publication number
- SE438231B SE438231B SE7810539A SE7810539A SE438231B SE 438231 B SE438231 B SE 438231B SE 7810539 A SE7810539 A SE 7810539A SE 7810539 A SE7810539 A SE 7810539A SE 438231 B SE438231 B SE 438231B
- Authority
- SE
- Sweden
- Prior art keywords
- values
- luminance
- estimates
- circuit
- value
- 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
- H04N9/78—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 for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/843,983 US4141035A (en) | 1977-10-20 | 1977-10-20 | Technique for separating composite video signals |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7810539L SE7810539L (sv) | 1979-04-21 |
SE438231B true SE438231B (sv) | 1985-04-01 |
Family
ID=25291477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7810539A SE438231B (sv) | 1977-10-20 | 1978-10-09 | Apparat for uppdelning av en bildrepresenterande fergvideosignal i luminans- och krominanskomponenter |
Country Status (9)
Country | Link |
---|---|
US (1) | US4141035A (zh) |
JP (1) | JPS5481028A (zh) |
BE (1) | BE871383A (zh) |
CA (1) | CA1106966A (zh) |
DE (1) | DE2845533A1 (zh) |
FR (1) | FR2406926A1 (zh) |
GB (1) | GB2007458B (zh) |
NL (1) | NL7810487A (zh) |
SE (1) | SE438231B (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6031389B2 (ja) * | 1978-04-05 | 1985-07-22 | 日本電気株式会社 | テレビジョン映像信号特殊効果装置 |
GB2069287B (en) * | 1980-01-30 | 1983-09-01 | Sony Corp | Decoding pal television signals |
GB2084432A (en) * | 1980-09-18 | 1982-04-07 | Sony Corp | Error concealment in digital television signals |
JPS57111195A (en) * | 1980-12-27 | 1982-07-10 | Sony Corp | Picture filter |
JPH0799804B2 (ja) * | 1981-07-13 | 1995-10-25 | ソニー株式会社 | フィルタ装置 |
JPS5850883A (ja) * | 1981-09-21 | 1983-03-25 | Sony Corp | 分離フイルタ |
JPS5923987A (ja) * | 1982-07-30 | 1984-02-07 | Toshiba Corp | デジタルテレビジヨン受像機 |
JPS59198100A (ja) * | 1983-04-05 | 1984-11-09 | テクトロニツクス・インコーポレイテツド | 色・輝度分離処理装置 |
JPS607271A (ja) * | 1983-06-24 | 1985-01-16 | Matsushita Electric Ind Co Ltd | テレビジヨン同期受信機 |
JPS60134587A (ja) * | 1983-12-22 | 1985-07-17 | Mitsubishi Electric Corp | 適応型輝度信号色信号分離フイルタ |
CA1270322A (en) * | 1983-12-22 | 1990-06-12 | Kotaro Asai | Adaptive comb filter |
JP2557039B2 (ja) * | 1983-12-27 | 1996-11-27 | ソニー株式会社 | Y/c分離フイルタ |
JPS60253392A (ja) * | 1984-05-29 | 1985-12-14 | Mitsubishi Electric Corp | 適応型輝度信号色信号分離フイルタ |
EP0161923B1 (en) * | 1984-05-11 | 1994-03-30 | Mitsubishi Denki Kabushiki Kaisha | A separating filter of luminance and chrominance signals of pal system |
GB2159363A (en) * | 1984-05-25 | 1985-11-27 | Electronic Automation Ltd | Method and apparatus for image processing |
JPS6114581U (ja) * | 1984-06-26 | 1986-01-28 | ソニー株式会社 | Y/c分離器 |
GB2163023B (en) * | 1984-08-10 | 1987-12-23 | Sony Corp | Decoding digital pal video signals |
JPS61148991A (ja) * | 1984-12-21 | 1986-07-07 | Mitsubishi Electric Corp | ダイナミツク輝度信号・色信号分離くし形フイルタ |
US4727415A (en) * | 1984-10-05 | 1988-02-23 | Mitsubishi Denki Kabushiki Kaisha | Variable direction filter for separation of luminance and chrominance signals |
JPH0620255B2 (ja) * | 1985-03-11 | 1994-03-16 | 三菱電機株式会社 | 画像信号平滑化フイルタ |
FR2583246B1 (fr) * | 1985-06-11 | 1987-08-07 | Thomson Csf | Procede de separation des signaux de luminance et de chrominance d'un signal video composite pal ou secam et dispositif pour la mise en oeuvre de ce procede |
US4789890A (en) * | 1985-12-05 | 1988-12-06 | Mitsubishi Denki Kabushiki Kaisha | Judgement circuit and adaptive filter incorporating the same |
GB8622680D0 (en) * | 1986-09-19 | 1986-10-22 | Robinson R N | Decoder |
US4868650A (en) * | 1988-03-07 | 1989-09-19 | Rca Licensing Corporation | Circuitry for expanding the effect of a video control signal in multiple dimensions |
JPH0720265B2 (ja) * | 1988-11-04 | 1995-03-06 | 三菱電機株式会社 | 映像信号処理回路 |
US5220414A (en) * | 1989-05-09 | 1993-06-15 | Deutsche Itt Industries Gmbh | Two-line comb filtering with spatial mixing |
US5210705A (en) * | 1990-02-28 | 1993-05-11 | Texas Instruments Incorporated | Digital filtering with single-instruction, multiple-data processor |
US6469741B2 (en) | 1993-07-26 | 2002-10-22 | Pixel Instruments Corp. | Apparatus and method for processing television signals |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4003079A (en) * | 1975-08-15 | 1977-01-11 | Eastman Kodak Company | Chrominance-luminance signal separation for off-air video recorder |
US4050084A (en) * | 1976-07-14 | 1977-09-20 | Cbs Inc. | Comb filter for television signals having adaptive features |
US4125856A (en) * | 1977-08-19 | 1978-11-14 | Bell Telephone Laboratories, Incorporated | Digital encoding and decoding of color video signals |
US4141034A (en) * | 1977-08-19 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Digital encoding of color video signals |
-
1977
- 1977-10-20 US US05/843,983 patent/US4141035A/en not_active Expired - Lifetime
-
1978
- 1978-10-09 SE SE7810539A patent/SE438231B/sv not_active IP Right Cessation
- 1978-10-19 DE DE19782845533 patent/DE2845533A1/de active Granted
- 1978-10-19 NL NL7810487A patent/NL7810487A/xx not_active Application Discontinuation
- 1978-10-19 BE BE191217A patent/BE871383A/xx not_active IP Right Cessation
- 1978-10-19 CA CA313,750A patent/CA1106966A/en not_active Expired
- 1978-10-19 FR FR7829760A patent/FR2406926A1/fr active Granted
- 1978-10-20 JP JP12865378A patent/JPS5481028A/ja active Granted
- 1978-10-20 GB GB7841442A patent/GB2007458B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7810539L (sv) | 1979-04-21 |
DE2845533A1 (de) | 1979-05-03 |
BE871383A (fr) | 1979-02-15 |
JPS6343956B2 (zh) | 1988-09-01 |
JPS5481028A (en) | 1979-06-28 |
DE2845533C2 (zh) | 1988-02-25 |
GB2007458A (en) | 1979-05-16 |
CA1106966A (en) | 1981-08-11 |
FR2406926B1 (zh) | 1985-01-11 |
US4141035A (en) | 1979-02-20 |
FR2406926A1 (fr) | 1979-05-18 |
GB2007458B (en) | 1982-04-07 |
NL7810487A (nl) | 1979-04-24 |
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Legal Events
Date | Code | Title | Description |
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NUG | Patent has lapsed |
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