FI61598C - System foer omvandling av faergbildssignaler - Google Patents
System foer omvandling av faergbildssignaler Download PDFInfo
- Publication number
- FI61598C FI61598C FI1189/73A FI118973A FI61598C FI 61598 C FI61598 C FI 61598C FI 1189/73 A FI1189/73 A FI 1189/73A FI 118973 A FI118973 A FI 118973A FI 61598 C FI61598 C FI 61598C
- Authority
- FI
- Finland
- Prior art keywords
- signal
- frequency
- luminance
- output
- chrominance
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
Claims (4)
1. System för omvandling av färgbildsignaler, innefattande anordningar för att alstra signaler, vilka representerar luminansen hos färgbilden, när denna analyseras medelst ett radavsökningsförfarande med given radsvepfrekvens, och vilka upptager ett frekvensomra.de som inkluderar ett givet frekvensomra.de och där-jämte ett omräde av frekvenser, vilket är lägre än det givna frekvensomrädet, och ett omräde av frekvenser, vilket är högre än det givna frekvensomradet; sarat en anordning inrättad att utsätta de luminansrepresenterande signalerna, för bort-tagande av signalkomposanter vid en första mängfald spektrala lägen, vilka väsent-ligen motsvarar var sin icke-heltalsmultipel av radsvepfrekvensen, känne- t. e c k n a d av anordningar (20, ^5)» innefattande ett kamfilter (31, 33) inrättad att alsta signaler, vilka representerar krominansen hos färgbilden och vilka upptager väsentligen endast det givna frekvensomradet, varvid de luminans-signalbehandlande anordningarna (20, 31, 35) är inrättade att borttaga luminans-signalkomposanter vid spektrala lägen med regelbundna inbördes intervall inom det givna frekvensomradet, varvid kamfiltret är inrättat att borttaga krominans-representerande signalkomposanter vid en andra mängfald spektrala lägen med regelbundna inbördes intervall, varvid de spektrala lägena i den andra mängfalden motsvarar var sin heltalsmultipel av radsvepfrekvensen, samt en signalkombinerande anordning (50), inrättad att kombinera utsignalerna frän den luminanssignal-behandlande anordningen och den krominanssignalalstrande anordningen. sä att en sammansatt signal bildas, i vilken luminansrepresenterande signalkomposanter och krorainansrepresenterande signalkomposanter gemensamt delar det givna frekvensomradet pä ett väsentligen icke-överlappande, interfolierat sätt samt ätföljs av luminansrepresenterande komposanter inom omräden av högre och lägre frekvenser.
2. System enligt patentkravet l,kännetecknad därav, att anord-ningerj (50) för att bilda en sammansatt utsignal är inrättade att även ästadkomma signaler, vilka representerar luminansen hos färgbilden och vilka fallen inom omrädet av frekvenser, som är lägre än det givna omrädet.
3. System enligt patentkravet 1 eller 2, kännetecknad därav, att den krominanssignalutvecklande anordningen (20, ä3, ^5) svarar pä en samman-satt insignal, vilken innehäller en krominans-insignal, som upptager ett frekvens-omräde, vilket är högre än det givna frekvensomrädet, samt en luminans-insignal, vilken har ett parti som har det nämnda högre frekvensomrädet gemensamt med krominans-insignalen, och att kamfiltret (31, 33) för anordningen som alstrar krominanssignalen även tjänar tili att ätminstone partiellt utskilja krominans-insignalen frän lmninans-insignalens parti inom det nämnda högre omrädet. li. System enligt patentkravet 3, kännetecknad därav, att den luininanssignalbehandlande anordningen (20, 31, 35) även svarar pä den sammansatta
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI810741A FI68140C (fi) | 1972-04-19 | 1981-03-10 | System foer omvandling av faergbildssignalen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1803672A GB1431378A (en) | 1972-04-19 | 1972-04-19 | Colour information translating systems |
GB1803672 | 1972-04-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI61598B FI61598B (fi) | 1982-04-30 |
FI61598C true FI61598C (fi) | 1982-08-10 |
Family
ID=10105532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI1189/73A FI61598C (fi) | 1972-04-19 | 1973-04-16 | System foer omvandling av faergbildssignaler |
Country Status (23)
Country | Link |
---|---|
US (1) | US3872498A (sv) |
JP (3) | JPS5342368B2 (sv) |
AR (1) | AR198981A1 (sv) |
AT (1) | AT359571B (sv) |
AU (1) | AU476769B2 (sv) |
BE (1) | BE798481A (sv) |
BR (1) | BR7302883D0 (sv) |
CH (1) | CH565492A5 (sv) |
DD (1) | DD103356A5 (sv) |
ES (1) | ES413914A1 (sv) |
FI (1) | FI61598C (sv) |
FR (1) | FR2181033B1 (sv) |
GB (1) | GB1431378A (sv) |
HK (1) | HK17278A (sv) |
IN (1) | IN138368B (sv) |
IT (1) | IT980298B (sv) |
NL (1) | NL7305459A (sv) |
NO (1) | NO142494C (sv) |
PH (1) | PH10957A (sv) |
SE (2) | SE392198B (sv) |
SU (1) | SU694108A3 (sv) |
YU (1) | YU35945B (sv) |
ZA (1) | ZA732626B (sv) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49110233A (sv) * | 1973-02-20 | 1974-10-21 | ||
AR207776A1 (es) * | 1974-06-06 | 1976-10-29 | Rca Corp | Disposicion para reproducir una grabacion de imagenes de color sucesivas |
US3969756A (en) * | 1974-11-12 | 1976-07-13 | Rca Corporation | Color-picture/multichannel-sound record and recording/playback apparatus and methods therefor |
GB1520004A (en) * | 1974-11-12 | 1978-08-02 | Rca Corp | Velocity correction for video discs |
GB1524356A (en) * | 1974-11-18 | 1978-09-13 | Rca Corp | Corporation sync separator |
US3996606A (en) * | 1975-03-18 | 1976-12-07 | Rca Corporation | Comb filter for video processing |
FR2305905A1 (fr) * | 1975-03-28 | 1976-10-22 | Thomson Brandt | Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede |
JPS51116616A (en) * | 1975-04-04 | 1976-10-14 | Matsushita Electric Ind Co Ltd | Magnetic recording method |
US4003079A (en) * | 1975-08-15 | 1977-01-11 | Eastman Kodak Company | Chrominance-luminance signal separation for off-air video recorder |
US4055848A (en) * | 1975-08-15 | 1977-10-25 | Eastman Kodak Company | Signal processing for off-air video recorder |
JPS5224430A (en) * | 1975-08-20 | 1977-02-23 | Matsushita Electric Ind Co Ltd | Picture signal recording and regenerating device |
JPS5249732A (en) * | 1975-10-17 | 1977-04-21 | Matsushita Electric Ind Co Ltd | Comb-shape filter |
JPS5249733A (en) * | 1975-10-17 | 1977-04-21 | Matsushita Electric Ind Co Ltd | Signal isolation unit |
JPS5250119A (en) * | 1975-10-20 | 1977-04-21 | Matsushita Electric Ind Co Ltd | Video signal record/reproduction system |
GB1582983A (en) * | 1976-08-09 | 1981-01-21 | Rca Corp | Colour video signal processing circuits |
GB1582984A (en) * | 1976-08-09 | 1981-01-21 | Rca Corp | Video signal recording systems |
US4110784A (en) * | 1976-08-30 | 1978-08-29 | Rca Corporation | Noise reduction apparatus |
US4184174A (en) * | 1977-01-20 | 1980-01-15 | Rca Corporation | Comb filter system |
JPS5823998B2 (ja) * | 1977-03-08 | 1983-05-18 | 日本ビクター株式会社 | 情報信号記録方法 |
US4204220A (en) * | 1977-06-24 | 1980-05-20 | Rca Corporation | Dual standard video disc player |
EP0004457B2 (en) * | 1978-03-29 | 1988-09-21 | British Broadcasting Corporation | Processing method and circuit for PAL colour television signals |
JPS54143021A (en) * | 1978-04-28 | 1979-11-07 | Sony Corp | Processing circuit of video signal |
DE3070139D1 (en) * | 1979-02-19 | 1985-03-28 | British Broadcasting Corp | Method of and apparatus for coding and decoding pal colour television signals |
US4286283A (en) * | 1979-12-20 | 1981-08-25 | Rca Corporation | Transcoder |
US4323915A (en) * | 1980-04-11 | 1982-04-06 | Cezar International, Ltd. | Method and an apparatus for video tape recording |
JPS56153892A (en) * | 1980-04-28 | 1981-11-28 | Sony Corp | Comb type filter |
US4330882A (en) * | 1980-05-30 | 1982-05-18 | Rca Corporation | Apparatus for monitoring a wideband electromechanical recording system |
US4295216A (en) * | 1980-05-30 | 1981-10-13 | Rca Corporation | Apparatus for measuring the characteristics of a wideband electromechanical recording system having a transformer |
US4316210A (en) * | 1980-08-28 | 1982-02-16 | Rca Corporation | Video signal processing apparatus |
JPS57190487A (en) * | 1981-05-18 | 1982-11-24 | Hitachi Ltd | Signal processing circuit of magnetic recording and reproducing device |
US4384302A (en) * | 1981-06-29 | 1983-05-17 | Rca Corporation | Composite video signal limiter |
JPH0732487B2 (ja) * | 1982-02-17 | 1995-04-10 | 株式会社日立製作所 | 映像信号および音声信号の記録回路 |
JPS58161593A (ja) * | 1982-03-19 | 1983-09-26 | Toshiba Corp | カラ−テレビジヨン信号変換回路 |
JPS5927202A (ja) * | 1982-08-06 | 1984-02-13 | Mitsutoyo Mfg Co Ltd | 外径測定ヘツド |
US4701783A (en) * | 1982-09-14 | 1987-10-20 | New York Institute Of Technology | Technique for encoding and decoding video with improved separation of chrominance and luminance |
JPS5981867A (ja) * | 1982-11-01 | 1984-05-11 | Furukawa Battery Co Ltd:The | アルカリ蓄電池用極板の製造方法 |
US4587570A (en) * | 1983-09-12 | 1986-05-06 | Rca Corporation | Stylus kicker having kick energy minimization means |
US4754340A (en) * | 1983-11-01 | 1988-06-28 | Matsushita Electric Industrial Co., Ltd. | Method of reproducing a chrominance signal from a previously low-range-converted chrominance signal using comb filtering and sampling |
EP0163512B1 (en) * | 1984-05-29 | 1992-08-19 | General Electric Company | Spatial-temporal frequency interleaved processing of a television signal |
US4621287A (en) * | 1984-05-29 | 1986-11-04 | Rca Corporation | Time-multiplexing of an interleaved spectrum of a television signal |
US4893176A (en) * | 1985-10-09 | 1990-01-09 | Faroudja Y C | Adaptive comb filter for quadrature modulated color television systems |
US4709256A (en) * | 1986-03-12 | 1987-11-24 | Rca Corporation | Wide screen composite video signal encoder and standard aspect ratio decoder having barst and subcarrier components of different frequencies |
GB8608811D0 (en) * | 1986-04-11 | 1986-05-14 | Avesco Plc | Video comb filter digital decoder |
DE3786946T2 (de) * | 1986-04-30 | 1994-01-27 | Sharp Kk | Verfahren und System für Multiplexübertragung eines Audiosignals und eines Videosignals über ein Kommunikationskabel. |
EP0275090B1 (en) * | 1987-01-14 | 1993-11-10 | Pioneer Electronic Corporation | Method of recording and reproducing color video signals |
JPS63269889A (ja) * | 1987-04-28 | 1988-11-08 | Victor Co Of Japan Ltd | 磁気記録再生装置 |
US4853766A (en) * | 1987-07-27 | 1989-08-01 | General Electric Company | Widescreen video signal processor with auxiliary modulated by widescreen information |
US4930005A (en) * | 1987-12-18 | 1990-05-29 | Victor Company Of Japan, Ltd. | Circuit for removing crosstalk components in a carrier chrominance signal |
JP2738000B2 (ja) * | 1989-04-06 | 1998-04-08 | ソニー株式会社 | 映像信号処理装置 |
JPH03112288A (ja) * | 1989-09-27 | 1991-05-13 | Toshiba Corp | 映像信号処理回路 |
CA2112325A1 (en) * | 1993-02-22 | 1994-08-23 | John J. Ciardi | Hue control without chrominance demodulation for pal |
US5549111A (en) * | 1994-08-05 | 1996-08-27 | Acuson Corporation | Method and apparatus for adjustable frequency scanning in ultrasound imaging |
KR0166745B1 (ko) * | 1995-07-10 | 1999-03-20 | 김광호 | 누출성분을 제거하는 색신호 처리장치 |
JP3418061B2 (ja) * | 1996-05-29 | 2003-06-16 | 株式会社日立製作所 | 映像信号処理装置 |
DE102004025645A1 (de) * | 2004-05-24 | 2005-12-29 | Jenoptik Laser, Optik, Systeme Gmbh | Verfahren zur Reduzierung von Farbmoire in digitalen Bildern |
JP4508279B2 (ja) * | 2008-07-17 | 2010-07-21 | ソニー株式会社 | 画像処理装置、画像処理方法、及び、プログラム |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2636937A (en) * | 1949-04-01 | 1953-04-28 | Rca Corp | Signal separating circuit for color television |
US3542945A (en) * | 1967-09-11 | 1970-11-24 | Motorola Inc | Color television signal separation system |
US3700793A (en) * | 1970-06-09 | 1972-10-24 | Bell Telephone Labor Inc | Frequency interleaved video multiplex system |
-
1972
- 1972-04-19 GB GB1803672A patent/GB1431378A/en not_active Expired
-
1973
- 1973-04-13 US US350777A patent/US3872498A/en not_active Expired - Lifetime
- 1973-04-16 FI FI1189/73A patent/FI61598C/fi active
- 1973-04-17 ZA ZA732626A patent/ZA732626B/xx unknown
- 1973-04-17 PH PH14521A patent/PH10957A/en unknown
- 1973-04-18 SU SU731916806A patent/SU694108A3/ru active
- 1973-04-18 AR AR247634A patent/AR198981A1/es active
- 1973-04-18 NL NL7305459A patent/NL7305459A/xx not_active Application Discontinuation
- 1973-04-18 YU YU1047/73A patent/YU35945B/xx unknown
- 1973-04-18 SE SE7305525A patent/SE392198B/sv unknown
- 1973-04-18 NO NO1663/73A patent/NO142494C/no unknown
- 1973-04-18 BR BR2883/73A patent/BR7302883D0/pt unknown
- 1973-04-18 IN IN923/CAL/1973A patent/IN138368B/en unknown
- 1973-04-18 ES ES413914A patent/ES413914A1/es not_active Expired
- 1973-04-19 IT IT49570/73A patent/IT980298B/it active
- 1973-04-19 DD DD170312A patent/DD103356A5/xx unknown
- 1973-04-19 JP JP4457773A patent/JPS5342368B2/ja not_active Expired
- 1973-04-19 BE BE130230A patent/BE798481A/xx not_active IP Right Cessation
- 1973-04-19 CH CH565273A patent/CH565492A5/xx not_active IP Right Cessation
- 1973-04-19 AU AU54738/73A patent/AU476769B2/en not_active Expired
- 1973-04-19 FR FR7314447A patent/FR2181033B1/fr not_active Expired
- 1973-04-19 AT AT355373A patent/AT359571B/de not_active IP Right Cessation
-
1976
- 1976-02-26 SE SE7602539A patent/SE413967B/sv unknown
-
1978
- 1978-03-30 HK HK172/78A patent/HK17278A/xx unknown
- 1978-05-24 JP JP53062146A patent/JPS5924589B2/ja not_active Expired
-
1981
- 1981-08-12 JP JP56126553A patent/JPS6043719B2/ja not_active Expired
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