TWI386070B - 錯誤偵測方法與電路、及錯誤降低方法與電路 - Google Patents
錯誤偵測方法與電路、及錯誤降低方法與電路 Download PDFInfo
- Publication number
- TWI386070B TWI386070B TW098112517A TW98112517A TWI386070B TW I386070 B TWI386070 B TW I386070B TW 098112517 A TW098112517 A TW 098112517A TW 98112517 A TW98112517 A TW 98112517A TW I386070 B TWI386070 B TW I386070B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- color difference
- error
- comb
- circuit
- Prior art date
Links
- 230000009467 reduction Effects 0.000 title claims description 37
- 238000001514 detection method Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 30
- 238000005070 sampling Methods 0.000 claims description 80
- 230000009471 action Effects 0.000 claims description 35
- 230000000750 progressive effect Effects 0.000 claims description 12
- 230000006872 improvement Effects 0.000 claims description 9
- 230000004075 alteration Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 8
- 230000002265 prevention Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 238000012966 insertion method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000013519 translation 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
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
-
- 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)
- Color Television Systems (AREA)
- Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Image Signal Generators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008121278A JP5006835B2 (ja) | 2008-05-07 | 2008-05-07 | エラー低減方法及びエラー低減装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201004374A TW201004374A (en) | 2010-01-16 |
| TWI386070B true TWI386070B (zh) | 2013-02-11 |
Family
ID=41266557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW098112517A TWI386070B (zh) | 2008-05-07 | 2009-04-15 | 錯誤偵測方法與電路、及錯誤降低方法與電路 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8269896B2 (enExample) |
| JP (1) | JP5006835B2 (enExample) |
| KR (1) | KR101026087B1 (enExample) |
| CN (2) | CN103108194A (enExample) |
| TW (1) | TWI386070B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179408B (zh) * | 2012-11-27 | 2016-01-06 | 上海高清数字科技产业有限公司 | 一种解决色度上采样错误的系统和方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523798A (en) * | 1993-03-23 | 1996-06-04 | Kabushiki Kaisha Toshiba | Circuit for automatically adjusting signal separation in Y/C seperation comb filter |
| US20040057467A1 (en) * | 2002-09-23 | 2004-03-25 | Adams Dale R. | Detection and repair of MPEG-2 chroma upconversion artifacts |
| US20070040944A1 (en) * | 2005-08-17 | 2007-02-22 | Samsung Electronics Co., Ltd. | Apparatus and method for correcting color error by adaptively filtering chrominance signals |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442406A (en) * | 1990-06-01 | 1995-08-15 | Thomson Consumer Electronics, Inc. | Wide screen television |
| JP4282113B2 (ja) * | 1998-07-24 | 2009-06-17 | オリンパス株式会社 | 撮像装置および撮像方法、並びに、撮像プログラムを記録した記録媒体 |
| US6809765B1 (en) * | 1999-10-05 | 2004-10-26 | Sony Corporation | Demosaicing for digital imaging device using perceptually uniform color space |
| JP4599672B2 (ja) * | 1999-12-21 | 2010-12-15 | 株式会社ニコン | 補間処理装置および補間処理プログラムを記録した記録媒体 |
| US6628341B1 (en) | 2000-09-28 | 2003-09-30 | Clinton A. Staley | Correcting interlaced video |
| US6900836B2 (en) * | 2001-02-19 | 2005-05-31 | Eastman Kodak Company | Correcting defects in a digital image caused by a pre-existing defect in a pixel of an image sensor |
| US7474355B2 (en) * | 2003-08-06 | 2009-01-06 | Zoran Corporation | Chroma upsampling method and apparatus therefor |
| JP4339237B2 (ja) * | 2004-12-16 | 2009-10-07 | シャープ株式会社 | 順次走査変換装置 |
| JP4625705B2 (ja) * | 2005-02-24 | 2011-02-02 | Ｏｋｉセミコンダクタ株式会社 | 映像信号処理装置 |
| JP2007142550A (ja) * | 2005-11-15 | 2007-06-07 | Matsushita Electric Ind Co Ltd | 映像変換装置 |
| WO2008038442A1 (en) * | 2006-09-26 | 2008-04-03 | Panasonic Corporation | Color difference signal ip converting method |
| JP5003620B2 (ja) * | 2008-03-11 | 2012-08-15 | 富士通株式会社 | 映像信号処理装置、及び映像信号処理方法 |
-
2008
- 2008-05-07 JP JP2008121278A patent/JP5006835B2/ja not_active Expired - Fee Related
-
2009
- 2009-04-15 TW TW098112517A patent/TWI386070B/zh not_active IP Right Cessation
- 2009-04-24 US US12/429,608 patent/US8269896B2/en not_active Expired - Fee Related
- 2009-04-30 KR KR1020090038070A patent/KR101026087B1/ko not_active Expired - Fee Related
- 2009-05-07 CN CN2013100049348A patent/CN103108194A/zh active Pending
- 2009-05-07 CN CNA2009101371277A patent/CN101577837A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523798A (en) * | 1993-03-23 | 1996-06-04 | Kabushiki Kaisha Toshiba | Circuit for automatically adjusting signal separation in Y/C seperation comb filter |
| US20040057467A1 (en) * | 2002-09-23 | 2004-03-25 | Adams Dale R. | Detection and repair of MPEG-2 chroma upconversion artifacts |
| US20070040944A1 (en) * | 2005-08-17 | 2007-02-22 | Samsung Electronics Co., Ltd. | Apparatus and method for correcting color error by adaptively filtering chrominance signals |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201004374A (en) | 2010-01-16 |
| JP5006835B2 (ja) | 2012-08-22 |
| CN103108194A (zh) | 2013-05-15 |
| CN101577837A (zh) | 2009-11-11 |
| KR20090116632A (ko) | 2009-11-11 |
| KR101026087B1 (ko) | 2011-04-04 |
| JP2009272862A (ja) | 2009-11-19 |
| US20090278990A1 (en) | 2009-11-12 |
| US8269896B2 (en) | 2012-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |