JP4774915B2 - 撮像装置、階調補正方法及びプログラム - Google Patents

撮像装置、階調補正方法及びプログラム Download PDF

Info

Publication number
JP4774915B2
JP4774915B2 JP2005310924A JP2005310924A JP4774915B2 JP 4774915 B2 JP4774915 B2 JP 4774915B2 JP 2005310924 A JP2005310924 A JP 2005310924A JP 2005310924 A JP2005310924 A JP 2005310924A JP 4774915 B2 JP4774915 B2 JP 4774915B2
Authority
JP
Japan
Prior art keywords
luminance
gradation correction
histogram
pixels
region portion
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
JP2005310924A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007124087A (ja
JP2007124087A5 (enExample
Inventor
芳幸 加藤
智彦 村上
武志 佐藤
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP2005310924A priority Critical patent/JP4774915B2/ja
Priority to US11/584,441 priority patent/US7826662B2/en
Publication of JP2007124087A publication Critical patent/JP2007124087A/ja
Publication of JP2007124087A5 publication Critical patent/JP2007124087A5/ja
Application granted granted Critical
Publication of JP4774915B2 publication Critical patent/JP4774915B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2005310924A 2005-10-26 2005-10-26 撮像装置、階調補正方法及びプログラム Expired - Fee Related JP4774915B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005310924A JP4774915B2 (ja) 2005-10-26 2005-10-26 撮像装置、階調補正方法及びプログラム
US11/584,441 US7826662B2 (en) 2005-10-26 2006-10-20 Digital camera provided with gradation correction function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005310924A JP4774915B2 (ja) 2005-10-26 2005-10-26 撮像装置、階調補正方法及びプログラム

Publications (3)

Publication Number Publication Date
JP2007124087A JP2007124087A (ja) 2007-05-17
JP2007124087A5 JP2007124087A5 (enExample) 2008-10-16
JP4774915B2 true JP4774915B2 (ja) 2011-09-21

Family

ID=37985457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005310924A Expired - Fee Related JP4774915B2 (ja) 2005-10-26 2005-10-26 撮像装置、階調補正方法及びプログラム

Country Status (2)

Country Link
US (1) US7826662B2 (enExample)
JP (1) JP4774915B2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7525697B2 (en) * 2002-07-15 2009-04-28 Olympus Corporation White balance processing apparatus and processing method thereof
JP5053802B2 (ja) * 2007-11-05 2012-10-24 オリンパス株式会社 信号処理装置及び信号処理プログラム
JP5117217B2 (ja) * 2008-02-15 2013-01-16 オリンパス株式会社 撮像システム及び画像処理方法並びに画像処理プログラム
JP5052365B2 (ja) * 2008-02-15 2012-10-17 オリンパス株式会社 撮像システム及び画像処理方法並びに画像処理プログラム
TWI377553B (en) * 2008-03-18 2012-11-21 Chimei Innolux Corp Liquid crystal display and driving method thereof
JP4386959B1 (ja) 2009-02-06 2009-12-16 正浩 小林 画像処理装置
JP5178933B1 (ja) 2012-05-21 2013-04-10 正浩 小林 画像処理装置
JP6056453B2 (ja) * 2012-12-20 2017-01-11 富士通株式会社 プログラム、データ管理方法および情報処理装置
JP2014127744A (ja) * 2012-12-25 2014-07-07 Casio Comput Co Ltd 撮像装置、撮像制御方法、及びプログラム
JP6611576B2 (ja) * 2015-11-30 2019-11-27 キヤノン株式会社 画像処理装置および画像処理方法
EP3334150B1 (en) * 2016-12-06 2022-09-07 Canon Kabushiki Kaisha Image processing apparatus
JP2018138142A (ja) * 2017-02-24 2018-09-06 ソニー・オリンパスメディカルソリューションズ株式会社 医療用信号処理装置、及び医療用観察システム
US10791281B1 (en) * 2019-03-26 2020-09-29 Getac Technology Corporation Image processing method and system based on adjustments performed according to environment
JP7554566B2 (ja) * 2020-03-13 2024-09-20 キヤノン株式会社 画像処理装置、制御方法及びプログラム
KR20210128803A (ko) 2020-04-17 2021-10-27 삼성전자주식회사 다중 포토다이오드 센서에 의해 획득된 서브 이미지들의 차이에 기반하여 이미지의 결함을 검출하는 전자 장치 및 이의 동작 방법
US12211246B2 (en) 2021-01-22 2025-01-28 Logic And Design Co., Ltd Image processing method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0670275A (ja) * 1992-08-17 1994-03-11 Sony Corp 電子スチルカメラ装置
JPH07274062A (ja) 1994-03-31 1995-10-20 Ricoh Co Ltd 自動露出制御装置
JP3003561B2 (ja) * 1995-09-25 2000-01-31 松下電器産業株式会社 階調変換方法及びその回路と画像表示方法及びその装置と画像信号変換装置
JP2951910B2 (ja) * 1997-03-18 1999-09-20 松下電器産業株式会社 撮像装置の階調補正装置及び階調補正方法
JP4270638B2 (ja) * 1999-04-16 2009-06-03 オリンパス株式会社 撮像装置
JP2001119683A (ja) * 1999-10-20 2001-04-27 Fujitsu General Ltd 画像センサ装置
JP2002084436A (ja) * 2000-09-06 2002-03-22 Victor Co Of Japan Ltd 画像処理装置
JP4511066B2 (ja) * 2001-03-12 2010-07-28 オリンパス株式会社 撮像装置
US7251056B2 (en) * 2001-06-11 2007-07-31 Ricoh Company, Ltd. Image processing apparatus, image processing method and information recording medium
JP3948229B2 (ja) * 2001-08-01 2007-07-25 ソニー株式会社 画像撮像装置及び方法
JP2003299107A (ja) * 2002-03-29 2003-10-17 Matsushita Electric Ind Co Ltd 撮像装置
JP3888456B2 (ja) * 2002-09-10 2007-03-07 ソニー株式会社 デジタルスチルカメラ

Also Published As

Publication number Publication date
JP2007124087A (ja) 2007-05-17
US20070092154A1 (en) 2007-04-26
US7826662B2 (en) 2010-11-02

Similar Documents

Publication Publication Date Title
JP4466261B2 (ja) 撮像装置、明るさ補正方法及びプログラム
JP4840688B2 (ja) 撮像装置及びそのプログラム
JP4774915B2 (ja) 撮像装置、階調補正方法及びプログラム
JP2002010108A (ja) 画像信号処理装置および画像信号処理方法
JP2005269373A (ja) 映像信号処理システムおよび電子映像機器
US11798143B2 (en) Image processing apparatus and control method thereof
EP3293697A1 (en) Image processing device, imaging device, image processing method, and storage medium storing image processing program for image processing device
JP2010193002A (ja) 撮像装置、画像処理方法及びプログラム
JP2000278598A (ja) デジタルカメラおよび記録媒体
JP7397640B2 (ja) 画像処理装置および画像処理方法
JP4285668B2 (ja) 撮像装置及びその露出制御方法並びに記録媒体
JP2008148180A (ja) 撮像装置、画像処理装置、および方法、並びにコンピュータ・プログラム
JP5316923B2 (ja) 撮像装置及びそのプログラム
JPH10322592A (ja) 電子カメラの制御方法及び装置
JP4499527B2 (ja) 画像処理装置、画像記録装置、及び画像処理方法
JP2009063674A (ja) 撮像装置及びフラッシュ制御方法
JP4422353B2 (ja) 電子カメラ
JP6300514B2 (ja) 撮像装置、および撮像装置の制御方法
JP2023162633A (ja) 撮像装置、及び撮像装置の制御方法
JP2012129611A (ja) 撮像装置
JP2008124793A (ja) 撮像装置、撮像方法
JP2019205063A (ja) 撮像装置およびその制御方法ならびにプログラム
JP2009225252A (ja) 撮像装置および撮像方法
JP2006197081A (ja) ダイナミックレンジ圧縮機能を持つデジタルカメラ
JP2024060345A (ja) 撮像装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080901

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080901

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20101006

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101130

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110121

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110215

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110408

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: 20110531

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110613

R150 Certificate of patent or registration of utility model

Ref document number: 4774915

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

Free format text: PAYMENT UNTIL: 20140708

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees