JP5249166B2 - 画像処理装置、画像処理方法 - Google Patents

画像処理装置、画像処理方法 Download PDF

Info

Publication number
JP5249166B2
JP5249166B2 JP2009232864A JP2009232864A JP5249166B2 JP 5249166 B2 JP5249166 B2 JP 5249166B2 JP 2009232864 A JP2009232864 A JP 2009232864A JP 2009232864 A JP2009232864 A JP 2009232864A JP 5249166 B2 JP5249166 B2 JP 5249166B2
Authority
JP
Japan
Prior art keywords
image
frequency component
low
image processing
processing apparatus
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
Application number
JP2009232864A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011081150A (ja
JP2011081150A5 (enExample
Inventor
幸彦 坂下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2009232864A priority Critical patent/JP5249166B2/ja
Priority to US12/829,538 priority patent/US8447131B2/en
Priority to CN201010504268.0A priority patent/CN102034418B/zh
Publication of JP2011081150A publication Critical patent/JP2011081150A/ja
Publication of JP2011081150A5 publication Critical patent/JP2011081150A5/ja
Application granted granted Critical
Publication of JP5249166B2 publication Critical patent/JP5249166B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0252—Improving the response speed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Liquid Crystal (AREA)
  • Image Processing (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Picture Signal Circuits (AREA)
JP2009232864A 2009-10-06 2009-10-06 画像処理装置、画像処理方法 Expired - Fee Related JP5249166B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009232864A JP5249166B2 (ja) 2009-10-06 2009-10-06 画像処理装置、画像処理方法
US12/829,538 US8447131B2 (en) 2009-10-06 2010-07-02 Image processing apparatus and image processing method
CN201010504268.0A CN102034418B (zh) 2009-10-06 2010-10-08 图像处理设备和图像处理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009232864A JP5249166B2 (ja) 2009-10-06 2009-10-06 画像処理装置、画像処理方法

Publications (3)

Publication Number Publication Date
JP2011081150A JP2011081150A (ja) 2011-04-21
JP2011081150A5 JP2011081150A5 (enExample) 2012-11-15
JP5249166B2 true JP5249166B2 (ja) 2013-07-31

Family

ID=43823221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009232864A Expired - Fee Related JP5249166B2 (ja) 2009-10-06 2009-10-06 画像処理装置、画像処理方法

Country Status (3)

Country Link
US (1) US8447131B2 (enExample)
JP (1) JP5249166B2 (enExample)
CN (1) CN102034418B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5398365B2 (ja) * 2009-06-09 2014-01-29 キヤノン株式会社 画像処理装置、画像処理方法
JP5411713B2 (ja) * 2010-01-08 2014-02-12 キヤノン株式会社 映像処理装置及び方法
JP5848543B2 (ja) 2011-08-04 2016-01-27 キヤノン株式会社 画像表示装置、画像表示方法、及びコンピュータプログラム
TW201349856A (zh) * 2012-05-31 2013-12-01 Innocom Tech Shenzhen Co Ltd 影像顯示系統與影像處理方法
JP6148488B2 (ja) * 2013-02-12 2017-06-14 キヤノン株式会社 画像表示装置及びその方法
CN108230331A (zh) * 2017-09-30 2018-06-29 深圳市商汤科技有限公司 图像处理方法和装置、电子设备、计算机存储介质

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2575476B2 (ja) * 1988-10-20 1997-01-22 富士写真フイルム株式会社 画像信号処理方法およびその装置
JP3305240B2 (ja) 1997-10-23 2002-07-22 キヤノン株式会社 液晶表示パネル駆動装置と駆動方法
US7440612B2 (en) * 1998-11-13 2008-10-21 Sony Corporation Image processing apparatus and method capable of correcting gradation of image data
JP4556276B2 (ja) * 2000-03-23 2010-10-06 ソニー株式会社 画像処理回路及び画像処理方法
JP2002351382A (ja) 2001-03-22 2002-12-06 Victor Co Of Japan Ltd ディスプレイ装置
JP4217041B2 (ja) * 2002-09-12 2009-01-28 Ｈｏｙａ株式会社 フィルタ処理
JP2004310475A (ja) * 2003-04-08 2004-11-04 Hitachi Ltd 画像処理装置、画像処理を行う携帯電話、および画像処理プログラム
JP4271978B2 (ja) * 2003-04-18 2009-06-03 株式会社日立製作所 映像表示装置
TW200623897A (en) 2004-12-02 2006-07-01 Seiko Epson Corp Image display method, image display device, and projector
TWI280046B (en) 2005-09-20 2007-04-21 Novatek Microelectronics Corp Device and method for sharpening image signal
JP4555207B2 (ja) 2005-10-18 2010-09-29 Ｎｅｃディスプレイソリューションズ株式会社 画質改善装置および画質改善方法
KR100780151B1 (ko) * 2005-11-22 2007-11-27 주식회사 휴맥스 최소/최대 필터를 이용한 에지 보상 장치 및 방법
JP4131281B2 (ja) * 2006-05-09 2008-08-13 ソニー株式会社 画像表示装置、信号処理装置、および画像処理方法、並びにコンピュータ・プログラム
JP4172495B2 (ja) 2006-05-09 2008-10-29 ソニー株式会社 画像表示装置、信号処理装置、および画像処理方法、並びにコンピュータ・プログラム
JP4768510B2 (ja) * 2006-05-15 2011-09-07 Ｎｅｃディスプレイソリューションズ株式会社 画質改善装置および画質改善方法
JP2008070561A (ja) 2006-09-13 2008-03-27 Canon Inc 表示装置及びその制御方法
KR101143833B1 (ko) * 2007-05-29 2012-07-12 삼성테크윈 주식회사 재현성이 높은 휘도 신호를 발생시키는 영상 신호 처리장치
JP5080899B2 (ja) * 2007-08-08 2012-11-21 キヤノン株式会社 映像処理装置及びその制御方法
JP4586052B2 (ja) * 2007-08-08 2010-11-24 キヤノン株式会社 画像処理装置及びその制御方法
JP5060200B2 (ja) * 2007-08-08 2012-10-31 キヤノン株式会社 画像処理装置および画像処理方法
JP5049703B2 (ja) * 2007-08-28 2012-10-17 株式会社日立製作所 画像表示装置、画像処理回路およびその方法
JP2009081617A (ja) * 2007-09-26 2009-04-16 Mitsubishi Electric Corp 画像データ処理装置および画像データ処理方法
JP2009300786A (ja) 2008-06-13 2009-12-24 Canon Inc 表示装置およびその制御方法、プログラム、記録媒体
JP2010035157A (ja) * 2008-06-27 2010-02-12 Panasonic Corp 画像処理装置

Also Published As

Publication number Publication date
CN102034418B (zh) 2013-11-06
CN102034418A (zh) 2011-04-27
JP2011081150A (ja) 2011-04-21
US20110081095A1 (en) 2011-04-07
US8447131B2 (en) 2013-05-21

Similar Documents

Publication Publication Date Title
US8077258B2 (en) Image display apparatus, signal processing apparatus, image processing method, and computer program product
JP5049703B2 (ja) 画像表示装置、画像処理回路およびその方法
JP5249166B2 (ja) 画像処理装置、画像処理方法
JP2008078858A (ja) 画像表示装置及び方法
JP2009300785A (ja) 表示装置及びその駆動方法
EP2262255A2 (en) Image processing apparatus and image processing method
CN103227889B (zh) 图像信号处理装置、图像信号处理方法、图像显示装置、电视接收机、电子设备
JP5215668B2 (ja) 画像表示装置及び方法
WO2008062578A1 (en) Image display apparatus
JP5149725B2 (ja) 画像処理装置及びその制御方法
JP5473373B2 (ja) 画像処理装置、画像処理方法
JP4746514B2 (ja) 画像表示装置及び方法、画像処理装置及び方法
WO2011155258A1 (ja) 画像処理装置および方法、画像表示装置および方法
JP4427592B2 (ja) 画像処理装置、および画像処理方法
JP4556982B2 (ja) 映像信号処理装置および映像信号処理方法
JP2009053221A (ja) 画像表示装置及び画像表示方法
JP5147655B2 (ja) 映像信号処理装置および映像表示装置
JP4181613B2 (ja) 画像表示装置及び方法
JP2014164073A (ja) 映像信号処理装置及び方法
JP3605099B2 (ja) 液晶表示装置のフリッカ抑止回路
JP4181612B2 (ja) 画像表示装置及び方法
JP2009251026A (ja) 画像表示装置
JP2008028507A (ja) 画像補正回路、画像補正方法および画像表示装置
JP2009162944A (ja) 液晶表示装置
JP4769234B2 (ja) 画像表示装置及び方法、画像処理装置及び方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121001

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20121001

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130306

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130315

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130411

R151 Written notification of patent or utility model registration

Ref document number: 5249166

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160419

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees