TWI256244B - Image signal processing device - Google Patents
Image signal processing deviceInfo
- Publication number
- TWI256244B TWI256244B TW094101504A TW94101504A TWI256244B TW I256244 B TWI256244 B TW I256244B TW 094101504 A TW094101504 A TW 094101504A TW 94101504 A TW94101504 A TW 94101504A TW I256244 B TWI256244 B TW I256244B
- Authority
- TW
- Taiwan
- Prior art keywords
- lpf
- selector
- processing device
- signal processing
- image signal
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/409—Edge or detail enhancement; Noise or error suppression
- H04N1/4092—Edge or detail enhancement
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Picture Signal Circuits (AREA)
- Studio Devices (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004015046A JP4318553B2 (ja) | 2004-01-23 | 2004-01-23 | 画像信号処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200526014A TW200526014A (en) | 2005-08-01 |
TWI256244B true TWI256244B (en) | 2006-06-01 |
Family
ID=34857583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094101504A TWI256244B (en) | 2004-01-23 | 2005-01-19 | Image signal processing device |
Country Status (5)
Country | Link |
---|---|
US (1) | US7843498B2 (zh) |
JP (1) | JP4318553B2 (zh) |
KR (2) | KR100671369B1 (zh) |
CN (1) | CN100342718C (zh) |
TW (1) | TWI256244B (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4712497B2 (ja) * | 2005-09-15 | 2011-06-29 | ローム株式会社 | フィルタ回路、並びに、これを用いたイメージセンサ、イメージセンサモジュール、画像読取装置 |
US8120667B2 (en) * | 2008-01-22 | 2012-02-21 | Panasonic Corporation | Video signal processing apparatus with outline emphasis control section |
JP4314305B1 (ja) | 2008-02-04 | 2009-08-12 | シャープ株式会社 | 鮮鋭化画像処理装置、方法、及びソフトウェア |
CN101527040B (zh) | 2008-03-05 | 2012-12-19 | 华为终端有限公司 | 图像处理方法及系统 |
JP5066041B2 (ja) * | 2008-09-22 | 2012-11-07 | 株式会社日立製作所 | 画像信号処理装置、画像信号処理方法 |
US8355059B2 (en) * | 2009-02-06 | 2013-01-15 | Canon Kabushiki Kaisha | Image capturing apparatus and control method thereof |
US9077905B2 (en) * | 2009-02-06 | 2015-07-07 | Canon Kabushiki Kaisha | Image capturing apparatus and control method thereof |
JP2012010170A (ja) * | 2010-06-25 | 2012-01-12 | Nec Casio Mobile Communications Ltd | 撮像装置、画像処理装置、ならびに、画像処理方法 |
JP2012019392A (ja) * | 2010-07-08 | 2012-01-26 | Nikon Corp | 画像処理装置、電子カメラおよび画像処理プログラム |
JP5948073B2 (ja) | 2012-02-08 | 2016-07-06 | 株式会社 日立産業制御ソリューションズ | 画像信号処理装置、画像信号処理方法 |
KR20140086632A (ko) | 2012-12-28 | 2014-07-08 | 삼성디스플레이 주식회사 | 영상 처리 장치 및 그것을 포함하는 표시 장치 |
CN103908278B (zh) * | 2013-01-06 | 2017-07-28 | 上海联影医疗科技有限公司 | 图像重建方法及装置、医疗成像系统 |
US10078889B2 (en) | 2015-08-25 | 2018-09-18 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for image calibration |
WO2017154367A1 (ja) * | 2016-03-09 | 2017-09-14 | ソニー株式会社 | 画像処理装置、および画像処理方法、撮像装置ならびにプログラム |
CN108650436A (zh) * | 2018-07-04 | 2018-10-12 | 无锡思泰迪半导体有限公司 | 一种集成比较器的滤波器结构 |
KR102344380B1 (ko) | 2021-06-02 | 2021-12-28 | 삼성전자주식회사 | 비휘발성 메모리 장치, 그것을 제어하는 제어기, 그것을 포함하는 저장 장치 및 그것의 동작 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3302423B2 (ja) * | 1992-12-28 | 2002-07-15 | キヤノン株式会社 | 撮像装置 |
JP3066241B2 (ja) * | 1993-12-28 | 2000-07-17 | 株式会社エフ・エフ・シー | ディジタルフィルタ及び同ディジタルフィルタを用いたオーバサンプリング型アナログ/ディジタル変換器 |
JPH0951444A (ja) * | 1995-08-07 | 1997-02-18 | Fuji Photo Film Co Ltd | カラースキャナ及びその輪郭補正方法 |
JPH10233903A (ja) * | 1997-02-19 | 1998-09-02 | Canon Inc | 画像入力システム |
JP3590242B2 (ja) | 1997-10-01 | 2004-11-17 | オリンパス株式会社 | 電子的撮像装置 |
JP3410646B2 (ja) * | 1997-10-14 | 2003-05-26 | シャープ株式会社 | 画質補正回路 |
NZ332626A (en) * | 1997-11-21 | 2000-04-28 | Matsushita Electric Ind Co Ltd | Expansion of dynamic range for video camera |
JP4159062B2 (ja) * | 1998-11-10 | 2008-10-01 | キヤノン株式会社 | 画像処理装置 |
JP2000224472A (ja) | 1999-02-04 | 2000-08-11 | Fuji Photo Film Co Ltd | 撮像制御装置および撮像制御方法 |
JP2001094834A (ja) | 1999-09-21 | 2001-04-06 | Nikon Corp | 電子スチルカメラ |
JP4212741B2 (ja) * | 1999-12-09 | 2009-01-21 | 株式会社リコー | 画像処理装置 |
EP1163795A1 (en) * | 2000-01-13 | 2001-12-19 | Koninklijke Philips Electronics N.V. | Noise reduction |
JP4055927B2 (ja) * | 2000-08-25 | 2008-03-05 | シャープ株式会社 | 画像処理装置およびデジタルカメラ |
JP2003209731A (ja) * | 2002-01-09 | 2003-07-25 | Sony Corp | 画像信号処理方法及び撮像装置 |
JP3947912B2 (ja) | 2002-01-24 | 2007-07-25 | 富士フイルム株式会社 | 画像信号処理装置 |
JP2005210441A (ja) | 2004-01-23 | 2005-08-04 | Sanyo Electric Co Ltd | 画像信号処理装置 |
-
2004
- 2004-01-23 JP JP2004015046A patent/JP4318553B2/ja not_active Expired - Fee Related
-
2005
- 2005-01-05 CN CNB2005100042166A patent/CN100342718C/zh not_active Expired - Fee Related
- 2005-01-19 TW TW094101504A patent/TWI256244B/zh not_active IP Right Cessation
- 2005-01-21 KR KR1020050005760A patent/KR100671369B1/ko not_active IP Right Cessation
- 2005-01-21 US US11/038,383 patent/US7843498B2/en not_active Expired - Fee Related
-
2006
- 2006-10-16 KR KR1020060100326A patent/KR100711671B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US7843498B2 (en) | 2010-11-30 |
KR20050076828A (ko) | 2005-07-28 |
TW200526014A (en) | 2005-08-01 |
CN100342718C (zh) | 2007-10-10 |
KR100671369B1 (ko) | 2007-01-19 |
CN1645899A (zh) | 2005-07-27 |
JP4318553B2 (ja) | 2009-08-26 |
US20050185223A1 (en) | 2005-08-25 |
KR20060121775A (ko) | 2006-11-29 |
KR100711671B1 (ko) | 2007-04-27 |
JP2005210442A (ja) | 2005-08-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI256244B (en) | Image signal processing device | |
US8571243B2 (en) | Method for suppressing feedback and for spectral extension in hearing devices | |
KR100735420B1 (ko) | 클럭 노이즈 제거 회로 | |
EP1665524A4 (en) | APPARATUS AND METHOD FOR DYNAMIC LOW FREQUENCY AMPLIFICATION | |
JP5180226B2 (ja) | 信号干渉を決定論的に削減するための手法 | |
US8611572B2 (en) | Device and method for controlling the step size of an adaptive filter | |
WO2014201100A1 (en) | System and method for narrow bandwidth digital signal processing | |
ATE518311T1 (de) | Erhaltung der qualität eines breitbandübertragungssystems in gegenwart von schmalbandstörungen | |
US8155349B2 (en) | Muting control device, muting control method, and muting control program | |
US20060093173A1 (en) | Method and signal processor for reducing feedback in an audio system | |
TW200627808A (en) | Digital signal processor, receiver, corrector and methods for the same | |
JP2017502614A5 (zh) | ||
US8472750B2 (en) | Movement-adaptive noise reduction apparatus, image signal processing apparatus, image inputting processing apparatus and movement-adaptive noise reduction method | |
EP1148637B1 (en) | Level adjustment circuit | |
KR100344807B1 (ko) | 영상 신호 보정 장치 및 방법 | |
US7315625B2 (en) | Sound apparatus, method of changing sound characteristics, and data recording medium on which a sound correction program | |
WO2007120958A3 (en) | Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement | |
JPH02180469A (ja) | 自動雑音除去回路 | |
MY135872A (en) | Apparatus and method for providing an agc function using multiple feedback sources | |
KR960006112Y1 (ko) | 잡음제거회로 | |
CN111726730A (zh) | 声音播放装置及其调整输出声音的方法 | |
EP2127075B1 (en) | Method and device for reducing ringing in a filter output signal | |
US8035749B2 (en) | Gamma-correction circuit for graphic signals | |
JP6742864B2 (ja) | 音声信号処理装置、音声信号処理方法及びプログラム | |
JP2005204096A (ja) | 画質補正回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |