JP5859749B2 - ベジェ曲線を利用したコントラスト改善方法 - Google Patents

ベジェ曲線を利用したコントラスト改善方法 Download PDF

Info

Publication number
JP5859749B2
JP5859749B2 JP2011130420A JP2011130420A JP5859749B2 JP 5859749 B2 JP5859749 B2 JP 5859749B2 JP 2011130420 A JP2011130420 A JP 2011130420A JP 2011130420 A JP2011130420 A JP 2011130420A JP 5859749 B2 JP5859749 B2 JP 5859749B2
Authority
JP
Japan
Prior art keywords
pixels
luminance
image
section
control point
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.)
Active
Application number
JP2011130420A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012104099A5 (enExample
JP2012104099A (ja
Inventor
スー ジン パク
スー ジン パク
ケー エス クリシュナ
ケー エス クリシュナ
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.)
LG Innotek Co Ltd
Original Assignee
LG Innotek 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 LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of JP2012104099A publication Critical patent/JP2012104099A/ja
Publication of JP2012104099A5 publication Critical patent/JP2012104099A5/ja
Application granted granted Critical
Publication of JP5859749B2 publication Critical patent/JP5859749B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2011130420A 2010-11-05 2011-06-10 ベジェ曲線を利用したコントラスト改善方法 Active JP5859749B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0110030 2010-11-05
KR20100110030 2010-11-05

Publications (3)

Publication Number Publication Date
JP2012104099A JP2012104099A (ja) 2012-05-31
JP2012104099A5 JP2012104099A5 (enExample) 2014-07-24
JP5859749B2 true JP5859749B2 (ja) 2016-02-16

Family

ID=46019695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011130420A Active JP5859749B2 (ja) 2010-11-05 2011-06-10 ベジェ曲線を利用したコントラスト改善方法

Country Status (2)

Country Link
US (1) US8577141B2 (enExample)
JP (1) JP5859749B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6261924B2 (ja) * 2013-09-17 2018-01-17 株式会社東芝 韻律編集装置、方法およびプログラム
US9805662B2 (en) * 2015-03-23 2017-10-31 Intel Corporation Content adaptive backlight power saving technology
JP2017040520A (ja) * 2015-08-19 2017-02-23 株式会社島津製作所 分析データ表示処理装置及び表示処理プログラム
CN112153240B (zh) * 2019-06-27 2021-11-09 深圳Tcl数字技术有限公司 一种调整图像画质方法、装置及可读存储介质
CN110428379B (zh) * 2019-07-29 2021-10-29 慧视江山科技(北京)有限公司 一种图像灰度增强方法及系统
CN112446831B (zh) * 2019-08-30 2024-09-20 深圳Tcl新技术有限公司 一种图像增强的方法和计算机设备
CN115826500B (zh) * 2022-10-31 2025-04-29 深圳市汇川技术股份有限公司 轨迹平滑方法、电子设备及可读存储介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06292010A (ja) * 1993-02-08 1994-10-18 Ricoh Co Ltd 補正諧調曲線生成装置
KR100189922B1 (ko) * 1996-06-20 1999-06-01 윤종용 히스토그램 등화를 이용한 동영상의 콘트라스트개선회로 및 그 방법
JP2001134754A (ja) * 1999-11-05 2001-05-18 Canon Inc 画像処理装置およびその方法
US7215813B2 (en) * 2001-12-03 2007-05-08 Apple Computer, Inc. Method and apparatus for color correction
JP3823864B2 (ja) * 2002-04-05 2006-09-20 ノーリツ鋼機株式会社 画像処理装置、画像処理方法、プログラム、および記録媒体
JP2004236110A (ja) * 2003-01-31 2004-08-19 Canon Inc 画像処理装置、画像処理方法、記憶媒体及びプログラム
JP4167097B2 (ja) * 2003-03-17 2008-10-15 株式会社沖データ 画像処理方法および画像処理装置
US7298383B2 (en) * 2003-06-11 2007-11-20 Agfa Healthcare Method and user interface for modifying at least one of contrast and density of pixels of a processed image
US7298373B2 (en) * 2003-06-11 2007-11-20 Agfa Healthcare Method and user interface for modifying at least one of contrast and density of pixels of a processed image
TWI283396B (en) * 2004-03-23 2007-07-01 Lite On Technology Corp Method for adjusting image contrast
JP4240023B2 (ja) * 2005-08-31 2009-03-18 ソニー株式会社 撮像装置、撮像方法および撮像プログラム、ならびに、画像処理装置、画像処理方法および画像処理プログラム
US7894668B1 (en) * 2006-09-28 2011-02-22 Fonar Corporation System and method for digital image intensity correction
US8009907B1 (en) * 2006-11-08 2011-08-30 Marvell International Ltd. Localized, adaptive video contrast enhancement using controlled histogram equalization
JP2008268798A (ja) * 2007-04-25 2008-11-06 Matsushita Electric Ind Co Ltd 液晶表示装置
US8457399B2 (en) * 2008-01-17 2013-06-04 Qualcomm Incorporated Histogram-modeling based algorithm for contrast enhancement
JP5424921B2 (ja) * 2009-08-31 2014-02-26 キヤノン株式会社 画像処理装置及びその制御方法
JP2011188391A (ja) * 2010-03-10 2011-09-22 Sony Corp 画像処理装置および方法、並びにプログラム
US9055227B2 (en) * 2010-03-17 2015-06-09 Texas Instruments Incorporated Scene adaptive brightness/contrast enhancement

Also Published As

Publication number Publication date
US20120114267A1 (en) 2012-05-10
JP2012104099A (ja) 2012-05-31
US8577141B2 (en) 2013-11-05

Similar Documents

Publication Publication Date Title
JP5859749B2 (ja) ベジェ曲線を利用したコントラスト改善方法
CN107403422B (zh) 用以增强图像对比度的方法及其系统
US8798361B2 (en) Mapping colors of an image
KR102146560B1 (ko) 영상 보정 방법 및 장치
CN101378514B (zh) 增强rgbw图像信号的饱和度的系统和方法
WO2019154035A1 (zh) 一种在视频中植入广告的方法及计算机设备
CN107257452B (zh) 一种图像处理方法、装置及计算设备
CN113596573B (zh) 图像处理方法、装置、电子设备和计算机可读存储介质
CN102449664A (zh) 一种渐变动画的生成方法和装置
Khan et al. Tone-mapping using perceptual-quantizer and image histogram
WO2017121018A1 (zh) 二维码图像处理的方法和装置、终端、存储介质
CN103646392B (zh) 逆光检测方法及设备
CN116959381A (zh) 图像增强显示的方法、显示设备及电子设备
JP2013020617A (ja) グレースケール文字画像正規化装置及び方法
JP2015226228A (ja) 画像処理装置及びプログラム
WO2009093324A1 (ja) 画像処理装置、画像処理方法、画像処理プログラムおよび画像補正装置
CN108305234B (zh) 一种基于最优化模型的双直方图均衡方法
KR101814806B1 (ko) 베지어 곡선을 이용한 콘트라스트 개선 방법
JPWO2011021518A1 (ja) 画像処理方法、画像処理装置及びプログラム
CN108564534A (zh) 一种基于检索的图像对比度调整方法
US20250348984A1 (en) Iterative graph-based image enhancement using object separation
CN112614471B (zh) 色调映射方法及系统
CN113689333B (zh) 一种图像增强的方法及装置
KR102303666B1 (ko) 영상 처리 방법, 영상 처리 방법을 수행하는 영상 처리 장치, 및 영상 처리 장치를 포함하는 표시 장치
WO2018216280A1 (ja) 画像処理装置、画像処理プログラム、記録媒体および画像処理方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130625

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20130625

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140610

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140610

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150225

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150310

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150601

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: 20151117

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20151217

R150 Certificate of patent or registration of utility model

Ref document number: 5859749

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250