TW200737961A - Method and apparatus for adjusting contrast of image - Google Patents
Method and apparatus for adjusting contrast of imageInfo
- Publication number
- TW200737961A TW200737961A TW095108874A TW95108874A TW200737961A TW 200737961 A TW200737961 A TW 200737961A TW 095108874 A TW095108874 A TW 095108874A TW 95108874 A TW95108874 A TW 95108874A TW 200737961 A TW200737961 A TW 200737961A
- Authority
- TW
- Taiwan
- Prior art keywords
- input
- image
- pixels
- contrast
- gain
- Prior art date
Links
- 241001270131 Agaricus moelleri Species 0.000 abstract 3
- 230000002708 enhancing effect Effects 0.000 abstract 2
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/40—Image enhancement or restoration using histogram techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Picture Signal Circuits (AREA)
- Image Processing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095108874A TWI315961B (en) | 2006-03-16 | 2006-03-16 | Method and apparatus for adjusting contrast of image |
US11/592,430 US7973860B2 (en) | 2006-03-16 | 2006-11-02 | Method and apparatus for adjusting contrast of image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095108874A TWI315961B (en) | 2006-03-16 | 2006-03-16 | Method and apparatus for adjusting contrast of image |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200737961A true TW200737961A (en) | 2007-10-01 |
TWI315961B TWI315961B (en) | 2009-10-11 |
Family
ID=38517465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095108874A TWI315961B (en) | 2006-03-16 | 2006-03-16 | Method and apparatus for adjusting contrast of image |
Country Status (2)
Country | Link |
---|---|
US (1) | US7973860B2 (zh) |
TW (1) | TWI315961B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI399985B (zh) * | 2009-12-16 | 2013-06-21 | Micro Star Int Co Ltd | 影像調校方法 |
TWI471822B (zh) * | 2008-07-04 | 2015-02-01 | Chunghwa Picture Tubes Ltd | 影像處理方法及其電路 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8023733B2 (en) | 2006-06-08 | 2011-09-20 | Panasonic Corporation | Image processing device, image processing method, image processing program, and integrated circuit |
CN100562063C (zh) * | 2007-05-22 | 2009-11-18 | 鸿富锦精密工业(深圳)有限公司 | 图像信号校正方法 |
US20090040167A1 (en) * | 2007-08-06 | 2009-02-12 | Wein-Town Sun | Programmable nonvolatile memory embedded in a timing controller for storing lookup tables |
TW200931388A (en) * | 2008-01-09 | 2009-07-16 | Chunghwa Picture Tubes Ltd | Data driving apparatus and method thereof |
TWI462575B (zh) * | 2008-08-06 | 2014-11-21 | Marketech Int Corp | 影像處理裝置及影像處理方法 |
JP4575501B2 (ja) * | 2009-02-26 | 2010-11-04 | 株式会社東芝 | 映像信号処理装置及びその制御方法及びテレビジョン信号受信装置 |
US8457398B2 (en) * | 2009-10-27 | 2013-06-04 | Himax Media Solutions, Inc. | Image enhancement method and apparatuses utilizing the same |
CN102931944B (zh) * | 2011-08-12 | 2016-09-07 | 飞思卡尔半导体公司 | 数字毛刺滤波器 |
CN105472228B (zh) * | 2014-06-27 | 2020-03-17 | 小米科技有限责任公司 | 图像处理方法、装置及终端 |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
CN110264952A (zh) * | 2019-06-18 | 2019-09-20 | 京东方科技集团股份有限公司 | 伽马电压调校方法和伽马电压调校装置 |
CN114063945B (zh) * | 2020-07-31 | 2023-11-03 | 青岛海信移动通信技术有限公司 | 移动终端及其图像显示方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6351558B1 (en) * | 1996-11-13 | 2002-02-26 | Seiko Epson Corporation | Image processing system, image processing method, and medium having an image processing control program recorded thereon |
US6915024B1 (en) * | 2000-09-29 | 2005-07-05 | Hewlett-Packard Development Company, L.P. | Image sharpening by variable contrast mapping |
CA2365893A1 (en) * | 2001-12-21 | 2003-06-21 | Jaldi Semiconductor Corp. | System and method for dynamically enhanced colour space |
US7573533B2 (en) * | 2004-10-15 | 2009-08-11 | Genesis Microchip Inc. | Method of generating transfer curves for adaptive contrast enhancement |
US8131108B2 (en) * | 2005-04-22 | 2012-03-06 | Broadcom Corporation | Method and system for dynamic contrast stretch |
CN100559835C (zh) | 2005-10-27 | 2009-11-11 | 帆宣系统科技股份有限公司 | 影像动态对比伸张的方法及其装置 |
-
2006
- 2006-03-16 TW TW095108874A patent/TWI315961B/zh not_active IP Right Cessation
- 2006-11-02 US US11/592,430 patent/US7973860B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI471822B (zh) * | 2008-07-04 | 2015-02-01 | Chunghwa Picture Tubes Ltd | 影像處理方法及其電路 |
TWI399985B (zh) * | 2009-12-16 | 2013-06-21 | Micro Star Int Co Ltd | 影像調校方法 |
Also Published As
Publication number | Publication date |
---|---|
US7973860B2 (en) | 2011-07-05 |
US20070216956A1 (en) | 2007-09-20 |
TWI315961B (en) | 2009-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |