KR930009880B1 - 동신호 검출회로 - Google Patents
동신호 검출회로 Download PDFInfo
- Publication number
- KR930009880B1 KR930009880B1 KR1019900018737A KR900018737A KR930009880B1 KR 930009880 B1 KR930009880 B1 KR 930009880B1 KR 1019900018737 A KR1019900018737 A KR 1019900018737A KR 900018737 A KR900018737 A KR 900018737A KR 930009880 B1 KR930009880 B1 KR 930009880B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- luminance signal
- image
- unfolded
- unfolded luminance
- 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 - Fee Related
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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
- H04N7/0152—High-definition television systems using spatial or temporal subsampling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/0803—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division using frequency interleaving, e.g. with precision offset
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
- H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element
-
- 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
- H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
-
- 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
- H04N9/797—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
-
- 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
- H04N9/797—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
- H04N9/7976—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal by spectrum folding of the high frequency components of the luminance signal
-
- 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
- H04N9/83—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 chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Television Signal Processing For Recording (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
Claims (2)
- 고주파성분이 저주파성분에 중첩되어 제한된 대역폭을 갖는 기록매체상에 기록되어진 전대역폭의 영상신호를 재생하기 위하여 저주파 성분에 중첩된 고주파성분을 원래의 대역으로 펼침으로써 펼쳐진 휘도신호를 발생하는 주파수 펼침회로를 포함하는 영상재생 시스템에 있어서, 상기 펼쳐진 휘도신호를 입력시키기 위한 입력 라인과; 상기 펼쳐진 휘도신호중에 포함된 중첩반송파 및 펼쳐진 휘도신호의 측파대들을 제거하기 위한 수단; 및 상기 제거수단의 출력을 필터링하여 펼쳐진 휘도신호의 프레임간의 차분인 동신호를 검출하는 콤필터 수단을 구비한 동신호검출회로.
- 제 1 항에 있어서, 상기 콤필터수단에 접속되어 검출된 동신호를 시간, 수직 및 수평적으로 확산시키는 제어신호확산기를 더 포함하여, 영상의 영역간에 명백한 경계에 의하여 발생되는 바람직하지 못한 아티팩트들까지 제거함을 특징으로 하는 동신호 검출회로.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900018737A KR930009880B1 (ko) | 1990-11-19 | 1990-11-19 | 동신호 검출회로 |
| US07/711,980 US5386235A (en) | 1990-11-19 | 1991-06-07 | Motion signal detecting circuit |
| MYPI91001025A MY108662A (en) | 1990-11-19 | 1991-06-10 | Motion signal detecting circuit |
| SU4895798A RU2113067C1 (ru) | 1990-11-19 | 1991-06-28 | Устройство выделения сигнала движущегося изображения |
| EP19910307320 EP0487186B1 (en) | 1990-11-19 | 1991-08-09 | Motion signal detecting circuit |
| DE69127954T DE69127954T2 (de) | 1990-11-19 | 1991-08-09 | Erkennungsschaltung für Bewegungssignal |
| ES91307320T ES2110431T3 (es) | 1990-11-19 | 1991-08-09 | Circuito detector de señales de movimiento. |
| CN91105658A CN1029187C (zh) | 1990-11-19 | 1991-08-10 | 活动信号检测电路 |
| CA 2048975 CA2048975C (en) | 1990-11-19 | 1991-08-12 | Motion signal detecting circuit |
| JP21245191A JP2682912B2 (ja) | 1990-11-19 | 1991-08-23 | 動信号検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900018737A KR930009880B1 (ko) | 1990-11-19 | 1990-11-19 | 동신호 검출회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920011286A KR920011286A (ko) | 1992-06-27 |
| KR930009880B1 true KR930009880B1 (ko) | 1993-10-12 |
Family
ID=19306204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900018737A Expired - Fee Related KR930009880B1 (ko) | 1990-11-19 | 1990-11-19 | 동신호 검출회로 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5386235A (ko) |
| EP (1) | EP0487186B1 (ko) |
| JP (1) | JP2682912B2 (ko) |
| KR (1) | KR930009880B1 (ko) |
| CN (1) | CN1029187C (ko) |
| CA (1) | CA2048975C (ko) |
| DE (1) | DE69127954T2 (ko) |
| ES (1) | ES2110431T3 (ko) |
| MY (1) | MY108662A (ko) |
| RU (1) | RU2113067C1 (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5532820A (en) * | 1990-08-17 | 1996-07-02 | Samsung Electronics Co., Ltd. | Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity |
| US5418619A (en) * | 1991-07-12 | 1995-05-23 | Samsung Electronics Co., Ltd. | Apparatus and method for selectively adapting a playback characteristic to meet video performance requirements |
| US5412481A (en) * | 1992-02-24 | 1995-05-02 | Samsung Electronics Co., Ltd. | Time-base correction in a video recording/playback system |
| US5519451A (en) * | 1994-04-14 | 1996-05-21 | Texas Instruments Incorporated | Motion adaptive scan-rate conversion using directional edge interpolation |
| JP3500751B2 (ja) * | 1995-01-20 | 2004-02-23 | ソニー株式会社 | 画像信号処理装置及び撮像装置 |
| DE69928576T2 (de) * | 1998-02-27 | 2006-05-18 | Matsushita Electric Industrial Co., Ltd., Kadoma | Luminanz- und Chrominanz-Trennschaltung |
| US6545719B1 (en) * | 2000-03-31 | 2003-04-08 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for concealing interpolation artifacts in a video interlaced to progressive scan converter |
| JP2008160419A (ja) * | 2006-12-22 | 2008-07-10 | Sanyo Electric Co Ltd | 動き検出装置 |
| KR20090011407A (ko) * | 2007-07-26 | 2009-02-02 | 삼성전자주식회사 | 영상신호처리장치 및 그의 영상신호처리방법 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895393A (en) * | 1974-05-14 | 1975-07-15 | Electrohome Ltd | Double comb filter |
| JPS59171387A (ja) * | 1983-03-18 | 1984-09-27 | Hitachi Ltd | テレビジヨン信号の構成方法 |
| JPS61157193A (ja) * | 1984-12-28 | 1986-07-16 | Victor Co Of Japan Ltd | 映像信号再生装置 |
| US4621236A (en) * | 1985-02-11 | 1986-11-04 | Field Effects, Inc. | Cylindrical electromagnet for an NMR imaging system |
| US4692801A (en) * | 1985-05-20 | 1987-09-08 | Nippon Hoso Kyokai | Bandwidth compressed transmission system |
| US4686561A (en) * | 1985-07-31 | 1987-08-11 | Rca Corporation | Vertical detail information restoration circuit |
| US4893176A (en) * | 1985-10-09 | 1990-01-09 | Faroudja Y C | Adaptive comb filter for quadrature modulated color television systems |
| US5063457A (en) * | 1986-11-19 | 1991-11-05 | Canon Kabushiki Kaisha | Wide-band video signal recording apparatus by using frequency interleave |
| US4716462A (en) * | 1986-11-25 | 1987-12-29 | Rca Corporation | Motion adaptive television signal processing system |
| US4831463A (en) * | 1987-01-30 | 1989-05-16 | Faroudja Y C | Video processing in which high frequency luminance components are folded into a mid-band spectrum |
| US4868650A (en) * | 1988-03-07 | 1989-09-19 | Rca Licensing Corporation | Circuitry for expanding the effect of a video control signal in multiple dimensions |
| US4953032A (en) * | 1988-11-30 | 1990-08-28 | Hitachi, Ltd. | Motion signal generating circuit for use in a television receiver |
| JP2576612B2 (ja) * | 1988-12-28 | 1997-01-29 | 日本ビクター株式会社 | 信号変換装置 |
| US4891699A (en) * | 1989-02-23 | 1990-01-02 | Matsushita Electric Industrial Co., Ltd. | Receiving system for band-compression image signal |
| JP2732650B2 (ja) * | 1989-02-28 | 1998-03-30 | 株式会社東芝 | 垂直エッジ検出回路 |
| US4958230A (en) * | 1989-08-11 | 1990-09-18 | General Electric Company | Method of transmitting auxiliary information in a television signal |
| KR920005246B1 (ko) * | 1989-12-22 | 1992-06-29 | 삼성전자 주식회사 | 동작적응형 스펙트럼 접힘(폴딩) 방법에 의한 vtr의 화질 개선방법 및 회로 |
| US5083203A (en) * | 1990-05-31 | 1992-01-21 | Samsung Electronics Co., Ltd. | Control signal spreader |
| US5113262A (en) * | 1990-08-17 | 1992-05-12 | Samsung Electronics Co., Ltd. | Video signal recording system enabling limited bandwidth recording and playback |
| US5031030A (en) * | 1990-08-20 | 1991-07-09 | General Electric Company | Video signal encoded with additional detail information |
-
1990
- 1990-11-19 KR KR1019900018737A patent/KR930009880B1/ko not_active Expired - Fee Related
-
1991
- 1991-06-07 US US07/711,980 patent/US5386235A/en not_active Expired - Lifetime
- 1991-06-10 MY MYPI91001025A patent/MY108662A/en unknown
- 1991-06-28 RU SU4895798A patent/RU2113067C1/ru not_active IP Right Cessation
- 1991-08-09 EP EP19910307320 patent/EP0487186B1/en not_active Expired - Lifetime
- 1991-08-09 DE DE69127954T patent/DE69127954T2/de not_active Expired - Fee Related
- 1991-08-09 ES ES91307320T patent/ES2110431T3/es not_active Expired - Lifetime
- 1991-08-10 CN CN91105658A patent/CN1029187C/zh not_active Expired - Fee Related
- 1991-08-12 CA CA 2048975 patent/CA2048975C/en not_active Expired - Fee Related
- 1991-08-23 JP JP21245191A patent/JP2682912B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69127954D1 (de) | 1997-11-20 |
| EP0487186B1 (en) | 1997-10-15 |
| JPH04227182A (ja) | 1992-08-17 |
| MY108662A (en) | 1996-10-31 |
| CN1061691A (zh) | 1992-06-03 |
| KR920011286A (ko) | 1992-06-27 |
| EP0487186A3 (en) | 1993-05-05 |
| EP0487186A2 (en) | 1992-05-27 |
| RU2113067C1 (ru) | 1998-06-10 |
| CA2048975C (en) | 1999-03-09 |
| ES2110431T3 (es) | 1998-02-16 |
| DE69127954T2 (de) | 1998-04-09 |
| US5386235A (en) | 1995-01-31 |
| CA2048975A1 (en) | 1992-05-20 |
| CN1029187C (zh) | 1995-06-28 |
| JP2682912B2 (ja) | 1997-11-26 |
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