JPH0214832B2 - - Google Patents
Info
- Publication number
- JPH0214832B2 JPH0214832B2 JP56029312A JP2931281A JPH0214832B2 JP H0214832 B2 JPH0214832 B2 JP H0214832B2 JP 56029312 A JP56029312 A JP 56029312A JP 2931281 A JP2931281 A JP 2931281A JP H0214832 B2 JPH0214832 B2 JP H0214832B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- samples
- output
- sample
- adder
- 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 - Lifetime
Links
- 230000002950 deficient Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 description 31
- 230000008859 change Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012935 Averaging Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/888—Signal drop-out compensation for signals recorded by pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8006722 | 1980-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56132879A JPS56132879A (en) | 1981-10-17 |
JPH0214832B2 true JPH0214832B2 (en, 2012) | 1990-04-10 |
Family
ID=10511738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2931281A Granted JPS56132879A (en) | 1980-02-28 | 1981-02-27 | Adaptive television signal estimating unit |
Country Status (2)
Country | Link |
---|---|
US (2) | US4376955A (en, 2012) |
JP (1) | JPS56132879A (en, 2012) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2073534B (en) * | 1980-04-02 | 1984-04-04 | Sony Corp | Error concealment in digital television signals |
DE3028066A1 (de) | 1980-07-24 | 1982-02-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur korrektur gestoerter abtastwerte bei einer pcm-uebertragungseinrichtung, insbesondere einer digital-tonplatte |
US4467373A (en) * | 1980-10-09 | 1984-08-21 | Micro Consultants Limited | Storage and retrieval of digital data on video tape recorders |
DE3117206A1 (de) * | 1981-04-30 | 1982-11-18 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und schaltungsanordnung zum verdecken von fehlern in einem digitalen farbvideosignal |
DE3121599C2 (de) * | 1981-05-30 | 1986-11-27 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Schaltungsanordnung zum Verdecken von Fehlern in einem digitalen Videosignal |
US4519001A (en) * | 1981-10-27 | 1985-05-21 | Ampex Corporation | Apparatus for providing dropout compensation and error concealment in a PAL format video information signal |
US4470065A (en) * | 1982-03-25 | 1984-09-04 | Rca Corporation | Adaptive error concealment using horizontal information determination from adjacent lines |
US4517600A (en) * | 1982-05-17 | 1985-05-14 | Rca Corporation | Error concealment system using dropout severity information for selection of concealment method |
US4528598A (en) * | 1983-04-08 | 1985-07-09 | Ampex Corporation | Chrominance inverting all-pass filter |
CA1270322A (en) * | 1983-12-22 | 1990-06-12 | Kotaro Asai | Adaptive comb filter |
GB2164521B (en) * | 1984-09-18 | 1988-02-03 | Sony Corp | Error concealment in digital television signals |
US4727415A (en) * | 1984-10-05 | 1988-02-23 | Mitsubishi Denki Kabushiki Kaisha | Variable direction filter for separation of luminance and chrominance signals |
JPS61177096A (ja) * | 1985-01-31 | 1986-08-08 | Sony Corp | デジタルコンポ−ネント色信号の位相制御回路 |
US4760470A (en) * | 1985-09-27 | 1988-07-26 | Ampex Corporation | Multi-standard adaptive dropout compensator |
US4789890A (en) * | 1985-12-05 | 1988-12-06 | Mitsubishi Denki Kabushiki Kaisha | Judgement circuit and adaptive filter incorporating the same |
JPH06105984B2 (ja) * | 1985-12-17 | 1994-12-21 | パイオニア株式会社 | Y−c分離回路 |
US4706112A (en) * | 1986-01-31 | 1987-11-10 | Faroudja Laboratories, Inc. | Cross color suppression for quadrature modulated color television |
US4682230A (en) * | 1986-03-21 | 1987-07-21 | Rca Corporation | Adaptive median filter system |
JPH01236743A (ja) * | 1988-03-17 | 1989-09-21 | Hitachi Ltd | 補間装置 |
JPH02123882A (ja) * | 1988-11-01 | 1990-05-11 | Pioneer Electron Corp | ビデオディスクプレーヤ |
US6529637B1 (en) * | 1989-05-22 | 2003-03-04 | Pixel Instruments Corporation | Spatial scan replication circuit |
US7382929B2 (en) | 1989-05-22 | 2008-06-03 | Pixel Instruments Corporation | Spatial scan replication circuit |
US5231680A (en) * | 1990-12-21 | 1993-07-27 | Ampex Systems Corporation | Horizontal adaptive error concealment system for component digital television signals |
US5631979A (en) * | 1992-10-26 | 1997-05-20 | Eastman Kodak Company | Pixel value estimation technique using non-linear prediction |
US6469741B2 (en) | 1993-07-26 | 2002-10-22 | Pixel Instruments Corp. | Apparatus and method for processing television signals |
JP3982817B2 (ja) * | 2003-03-07 | 2007-09-26 | 株式会社東芝 | 画像処理装置および画像処理方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1436757A (en) | 1973-09-11 | 1976-05-26 | Quantel Ltd | Drop out compensation system |
GB1589476A (en) * | 1976-11-15 | 1981-05-13 | Rca Corp | Dropout compensator circuit |
GB2008888B (en) * | 1977-10-27 | 1982-06-30 | Quantel Ltd | Drop-out compensation system |
EP0023555B1 (en) * | 1979-06-18 | 1984-03-21 | Fernseh Inc. | Method and circuit for correcting the phase of the chroma component by digital comb filtering a pal-television signal |
US4250521A (en) * | 1979-07-19 | 1981-02-10 | Rca Corporation | Video signal dropout compensator |
US4368483A (en) * | 1981-06-22 | 1983-01-11 | Rca Corporation | Video signal defect replacement circuitry |
-
1980
- 1980-07-21 US US06/170,811 patent/US4376955A/en not_active Expired - Lifetime
-
1981
- 1981-02-27 JP JP2931281A patent/JPS56132879A/ja active Granted
-
1982
- 1982-10-20 US US06/435,485 patent/US4464686A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4464686A (en) | 1984-08-07 |
JPS56132879A (en) | 1981-10-17 |
US4376955A (en) | 1983-03-15 |
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