JPS6359596B2 - - Google Patents
Info
- Publication number
- JPS6359596B2 JPS6359596B2 JP55186664A JP18666480A JPS6359596B2 JP S6359596 B2 JPS6359596 B2 JP S6359596B2 JP 55186664 A JP55186664 A JP 55186664A JP 18666480 A JP18666480 A JP 18666480A JP S6359596 B2 JPS6359596 B2 JP S6359596B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- amplitude
- image
- output
- filter
- 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
Links
- 238000010586 diagram Methods 0.000 description 12
- 238000000926 separation method Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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)
- Filters That Use Time-Delay Elements (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Picture Signal Circuits (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55186664A JPS57111195A (en) | 1980-12-27 | 1980-12-27 | Picture filter |
PCT/JP1981/000409 WO1982002310A1 (en) | 1980-12-27 | 1981-12-25 | Image filter |
US06/741,014 US4591911A (en) | 1980-12-27 | 1981-12-25 | Picture filter using an amplitude correlator |
EP82900140A EP0067888B1 (en) | 1980-12-27 | 1981-12-25 | Image filter |
NL8120490A NL192234C (nl) | 1980-12-27 | 1981-12-25 | Beeldfilter voor het extraheren van een gekozen component uit een videosignaal hetwelke een ruiscomponent omvat. |
DE813152649T DE3152649T1 (de) | 1980-12-27 | 1981-12-25 | Image filter |
GB08224671A GB2102654B (en) | 1980-12-27 | 1981-12-25 | Image filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55186664A JPS57111195A (en) | 1980-12-27 | 1980-12-27 | Picture filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57111195A JPS57111195A (en) | 1982-07-10 |
JPS6359596B2 true JPS6359596B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-11-21 |
Family
ID=16192507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55186664A Granted JPS57111195A (en) | 1980-12-27 | 1980-12-27 | Picture filter |
Country Status (7)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0084531B1 (en) * | 1981-07-31 | 1987-05-20 | Mount Sinai School Of Medicine Of The City University Of New York | Assay for viruses |
JPH0632448B2 (ja) * | 1983-09-14 | 1994-04-27 | ソニー株式会社 | Y/c分離回路 |
JPS6080389A (ja) * | 1983-10-07 | 1985-05-08 | Sony Corp | Y/c分離回路 |
US4703342A (en) * | 1985-01-14 | 1987-10-27 | Nec Corporation | Luminance/chrominance separating apparatus |
JPH07123307B2 (ja) * | 1986-05-20 | 1995-12-25 | ソニー株式会社 | Y/c分離回路 |
JP2548950B2 (ja) * | 1987-09-11 | 1996-10-30 | 日本ビクター株式会社 | 映像信号処理回路 |
JPH0198385A (ja) * | 1987-10-09 | 1989-04-17 | Sony Corp | 相関検出方式 |
US5534947A (en) * | 1994-05-16 | 1996-07-09 | Motorola, Inc. | Advanced comb filter |
KR100344807B1 (ko) * | 2000-01-12 | 2002-07-20 | 엘지전자주식회사 | 영상 신호 보정 장치 및 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5231134B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-01-24 | 1977-08-12 | ||
GB1469101A (en) * | 1973-03-23 | 1977-03-30 | Dolby Laboratories Inc | Noise reduction systems |
US4141034A (en) * | 1977-08-19 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Digital encoding of color video signals |
US4141035A (en) * | 1977-10-20 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Technique for separating composite video signals |
US4178609A (en) * | 1977-10-25 | 1979-12-11 | The Magnavox Company | Comb filter having improved luminance response |
NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
-
1980
- 1980-12-27 JP JP55186664A patent/JPS57111195A/ja active Granted
-
1981
- 1981-12-25 US US06/741,014 patent/US4591911A/en not_active Expired - Lifetime
- 1981-12-25 NL NL8120490A patent/NL192234C/nl not_active IP Right Cessation
- 1981-12-25 GB GB08224671A patent/GB2102654B/en not_active Expired
- 1981-12-25 EP EP82900140A patent/EP0067888B1/en not_active Expired
- 1981-12-25 WO PCT/JP1981/000409 patent/WO1982002310A1/ja active IP Right Grant
- 1981-12-25 DE DE813152649T patent/DE3152649T1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57111195A (en) | 1982-07-10 |
GB2102654B (en) | 1984-09-26 |
GB2102654A (en) | 1983-02-02 |
NL192234B (nl) | 1996-11-01 |
EP0067888B1 (en) | 1989-06-07 |
NL8120490A (nl) | 1982-11-01 |
EP0067888A4 (fr) | 1986-01-07 |
NL192234C (nl) | 1997-03-04 |
DE3152649C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-08-16 |
EP0067888A1 (en) | 1982-12-29 |
US4591911A (en) | 1986-05-27 |
WO1982002310A1 (en) | 1982-07-08 |
DE3152649T1 (de) | 1982-12-30 |