SE8306361L - IMAGE-TO-IMAGE CAMFILTRATION DEVICE OF A COMPOSITIVE TELEVISION SIGNAL - Google Patents
IMAGE-TO-IMAGE CAMFILTRATION DEVICE OF A COMPOSITIVE TELEVISION SIGNALInfo
- Publication number
- SE8306361L SE8306361L SE8306361A SE8306361A SE8306361L SE 8306361 L SE8306361 L SE 8306361L SE 8306361 A SE8306361 A SE 8306361A SE 8306361 A SE8306361 A SE 8306361A SE 8306361 L SE8306361 L SE 8306361L
- Authority
- SE
- Sweden
- Prior art keywords
- image
- combed
- distortions
- camfiltration
- compositive
- 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
Abstract
A frame-to-frame comb filter for separating chrominance (C) Fig. 2(d) and luminance (Y) (c) signals from composite video signals (a), (b) produces objectionable distortions around the edges of moving objects. The distortions are substantially removed by low pass filtering (27) the combed chrominance signal and combining (31) the low pass filtered chrominance signal (e) with the combined luminance signal (c). Color distortions may also be removed by selectively adding the combed luminance signal to the combed chrominance signal during periods of detected motion. <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/444,724 US4498100A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
US06/444,381 US4498099A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8306361D0 SE8306361D0 (en) | 1983-11-17 |
SE8306361L true SE8306361L (en) | 1984-05-27 |
SE453246B SE453246B (en) | 1988-01-18 |
Family
ID=27033888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8306361A SE453246B (en) | 1982-11-26 | 1983-11-17 | DEVICE AND SET FOR PHOTO-TO-IMAGE CAMFILTRATION OF A COMPOSITION TELEVISION SIGNAL |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPH01286691A (en) |
KR (1) | KR910007205B1 (en) |
AT (1) | AT385165B (en) |
AU (1) | AU567898B2 (en) |
DE (1) | DE3342530A1 (en) |
DK (1) | DK167420B1 (en) |
ES (1) | ES8502595A1 (en) |
FI (1) | FI75964C (en) |
FR (1) | FR2536941B1 (en) |
GB (1) | GB2130840B (en) |
HK (1) | HK54589A (en) |
IT (1) | IT1168973B (en) |
NL (1) | NL8304056A (en) |
NZ (1) | NZ206403A (en) |
PT (1) | PT77695B (en) |
SE (1) | SE453246B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612567A (en) * | 1984-05-03 | 1986-09-16 | Rca Corporation | Television receiver using non-interlaced scanning format with vertical detail enhancement and motion compensation |
US4710801A (en) * | 1985-04-29 | 1987-12-01 | International Business Machines Corporation | System for decomposition of NTSC color video signals using two frame buffers |
FR2625061A1 (en) * | 1987-12-18 | 1989-06-23 | Thomson Grand Public | Separator of luminance and chrominance signals of a PAL or SECAM composite video signal |
US5032914A (en) * | 1988-12-28 | 1991-07-16 | Nec Home Electronics Ltd. | Movement detection and y/c separation circuit for detecting a movement in a television display picture |
DE3900490A1 (en) * | 1989-01-10 | 1990-07-12 | Broadcast Television Syst | CIRCUIT ARRANGEMENT FOR DECODING COLOR TELEVISION SIGNALS |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107736A (en) * | 1971-12-20 | 1978-08-15 | Image Transform, Inc. | Noise reduction system for video signals |
US4096516A (en) * | 1977-03-25 | 1978-06-20 | Rca Corporation | Electronic signal processing apparatus |
DE2810697A1 (en) * | 1978-03-11 | 1979-09-20 | Bosch Gmbh Robert | PROCESS FOR SEPARATING THE COLOR SIGNAL FROM THE LUMINOUS SIGNAL IN THE CASE OF COLOR TELEVISION SIGNALS WITH SQUARE MODULATED COLOR AUXILIARY CARRIERS |
NL7803910A (en) * | 1978-04-13 | 1979-10-16 | Philips Nv | COMB FILTER CIRCUIT. |
US4245238A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Non-linear processing of video image vertical detail information |
US4245237A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Controllable non-linear processing of video signals |
DE3007520A1 (en) * | 1980-02-28 | 1981-09-17 | Robert Bosch Gmbh, 7000 Stuttgart | Demodulator for quadrature modulated and digitalised colour TV signal - has filter for removing residual colour carrier when picture moves |
JPS56153892A (en) * | 1980-04-28 | 1981-11-28 | Sony Corp | Comb type filter |
GB2078054B (en) * | 1980-06-02 | 1985-03-06 | British Broadcasting Corp | Pal decoding |
US4351003A (en) * | 1981-04-20 | 1982-09-21 | Rca Corporation | Automatic video signal peaking control |
-
1983
- 1983-11-17 SE SE8306361A patent/SE453246B/en not_active IP Right Cessation
- 1983-11-18 ES ES527375A patent/ES8502595A1/en not_active Expired
- 1983-11-18 FI FI834239A patent/FI75964C/en not_active IP Right Cessation
- 1983-11-18 AU AU21510/83A patent/AU567898B2/en not_active Ceased
- 1983-11-21 PT PT77695A patent/PT77695B/en not_active IP Right Cessation
- 1983-11-22 GB GB08331141A patent/GB2130840B/en not_active Expired
- 1983-11-23 IT IT23843/83A patent/IT1168973B/en active
- 1983-11-24 DE DE19833342530 patent/DE3342530A1/en active Granted
- 1983-11-24 AT AT0413083A patent/AT385165B/en not_active IP Right Cessation
- 1983-11-24 KR KR8305568A patent/KR910007205B1/en not_active IP Right Cessation
- 1983-11-25 FR FR8318861A patent/FR2536941B1/en not_active Expired
- 1983-11-25 NZ NZ206403A patent/NZ206403A/en unknown
- 1983-11-25 NL NL8304056A patent/NL8304056A/en not_active Application Discontinuation
- 1983-11-25 DK DK541983A patent/DK167420B1/en not_active IP Right Cessation
-
1988
- 1988-12-20 JP JP63323185A patent/JPH01286691A/en active Granted
-
1989
- 1989-07-06 HK HK545/89A patent/HK54589A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3342530A1 (en) | 1984-05-30 |
KR910007205B1 (en) | 1991-09-19 |
FR2536941B1 (en) | 1988-08-26 |
JPH01286691A (en) | 1989-11-17 |
GB2130840B (en) | 1986-03-12 |
FI834239A (en) | 1984-05-27 |
FR2536941A1 (en) | 1984-06-01 |
DE3342530C2 (en) | 1989-03-16 |
DK167420B1 (en) | 1993-10-25 |
GB2130840A (en) | 1984-06-06 |
FI75964C (en) | 1988-08-08 |
DK541983D0 (en) | 1983-11-25 |
AT385165B (en) | 1988-02-25 |
PT77695A (en) | 1983-12-01 |
NZ206403A (en) | 1987-03-31 |
ATA413083A (en) | 1987-07-15 |
FI834239A0 (en) | 1983-11-18 |
ES527375A0 (en) | 1985-01-01 |
DK541983A (en) | 1984-05-27 |
SE8306361D0 (en) | 1983-11-17 |
HK54589A (en) | 1989-07-14 |
FI75964B (en) | 1988-04-29 |
GB8331141D0 (en) | 1983-12-29 |
SE453246B (en) | 1988-01-18 |
NL8304056A (en) | 1984-06-18 |
IT8323843A0 (en) | 1983-11-23 |
AU2151083A (en) | 1984-05-31 |
IT1168973B (en) | 1987-05-20 |
PT77695B (en) | 1986-03-27 |
AU567898B2 (en) | 1987-12-10 |
ES8502595A1 (en) | 1985-01-01 |
JPH0356038B2 (en) | 1991-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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