UA99449C2 - Устройство и способы для увеличения динамического диапазона в цифровых изображениях - Google Patents
Устройство и способы для увеличения динамического диапазона в цифровых изображенияхInfo
- Publication number
- UA99449C2 UA99449C2 UAA200906611A UAA200906611A UA99449C2 UA 99449 C2 UA99449 C2 UA 99449C2 UA A200906611 A UAA200906611 A UA A200906611A UA A200906611 A UAA200906611 A UA A200906611A UA 99449 C2 UA99449 C2 UA 99449C2
- Authority
- UA
- Ukraine
- Prior art keywords
- dynamic range
- image data
- data
- original image
- expanded
- Prior art date
Links
Classifications
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- G06T5/90—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
-
- G06T5/94—
-
- 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
- H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
Abstract
Способ увеличения динамического диапазона оригинальных данных изображения, представляющие изображения, заключается в применении функции расширения к оригинальным данным изображения для получения из них расширенных данных с большим, чем у оригинальных данных, динамическим диапазоном, а также в получении карты расширения, содержащей данные о степени яркости областей, связанных с пикселами на изображении. Затем способ объединяет оригинальные данные изображения с расширенными данными в соответствии с картой расширения, давая улучшенные данные изображения. Устройство для увеличения динамического диапазона данных изображения содержит расширитель динамического диапазона, который генерирует расширенные данные, анализатор яркости генерирует карту расширения, и сумматор объединяет ориг
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86732506P | 2006-11-27 | 2006-11-27 |
Publications (1)
Publication Number | Publication Date |
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UA99449C2 true UA99449C2 (ru) | 2012-08-27 |
Family
ID=39468493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200906611A UA99449C2 (ru) | 2006-11-27 | 2007-11-27 | Устройство и способы для увеличения динамического диапазона в цифровых изображениях |
Country Status (16)
Country | Link |
---|---|
US (1) | US8289412B2 (ru) |
EP (1) | EP2098060B1 (ru) |
JP (1) | JP5411706B2 (ru) |
KR (1) | KR101466596B1 (ru) |
CN (1) | CN101595719B (ru) |
AU (1) | AU2007325737B2 (ru) |
BR (1) | BRPI0719548B1 (ru) |
CA (1) | CA2669028C (ru) |
HK (1) | HK1135543A1 (ru) |
IL (1) | IL198599A (ru) |
MX (1) | MX2009005564A (ru) |
MY (1) | MY147417A (ru) |
NO (1) | NO338509B1 (ru) |
RU (1) | RU2444786C2 (ru) |
UA (1) | UA99449C2 (ru) |
WO (1) | WO2008066840A2 (ru) |
Families Citing this family (28)
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WO2009003499A1 (en) * | 2007-06-29 | 2009-01-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Scalable video coding supporting pixel value refinement scalability |
PL2835976T3 (pl) * | 2008-04-16 | 2017-04-28 | Ge Video Compression, Llc | Skalowalność głębi bitowej |
CN101578855B (zh) * | 2008-08-28 | 2015-07-29 | 香港应用科技研究院有限公司 | 数字图像增强 |
JP2010271480A (ja) * | 2009-05-20 | 2010-12-02 | Sharp Corp | 表示装置 |
GB2486348B (en) * | 2009-10-08 | 2014-11-12 | Ibm | Method and system for transforming a digital image from a low dynamic range (LDR) image to a high dynamic range (HDR) image |
EP2596622B1 (en) * | 2010-07-22 | 2023-06-28 | Dolby Laboratories Licensing Corporation | System, apparatus and methods for mapping between video ranges of image data and display |
TWI463862B (zh) * | 2010-12-31 | 2014-12-01 | Wt Microelectronics Co Ltd | 寬動態範圍影像處理裝置及寬動態範圍影像處理方法 |
TWI538474B (zh) | 2011-03-15 | 2016-06-11 | 杜比實驗室特許公司 | 影像資料轉換的方法與設備 |
EP2697971B1 (en) | 2011-04-14 | 2015-07-08 | Dolby Laboratories Licensing Corporation | Multiple color channel multiple regression predictor |
JP5877693B2 (ja) * | 2011-11-18 | 2016-03-08 | 株式会社キーエンス | 画像処理センサ、画像処理方法及びコンピュータプログラム |
US9024961B2 (en) | 2011-12-19 | 2015-05-05 | Dolby Laboratories Licensing Corporation | Color grading apparatus and methods |
JP2015517233A (ja) | 2012-02-29 | 2015-06-18 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 改善された画像処理およびコンテンツ送達のための画像メタデータ生成 |
US9129445B2 (en) | 2012-03-14 | 2015-09-08 | Dolby Laboratories Licensing Corporation | Efficient tone-mapping of high-bit-depth video to low-bit-depth display |
KR102014127B1 (ko) * | 2012-03-26 | 2019-08-26 | 코닌클리케 필립스 엔.브이. | Hdr 이미지 인코딩 및 디코딩을 위한 밝기 영역-기반 장치들 및 방법들 |
CN103024328B (zh) * | 2012-12-28 | 2015-11-25 | 北京汉邦高科数字技术股份有限公司 | 一种提高数字视频录像机抓图质量的方法 |
US9432589B2 (en) * | 2013-08-15 | 2016-08-30 | Omnivision Technologies, Inc. | Systems and methods for generating high dynamic range images |
EP2869260A1 (en) * | 2013-10-29 | 2015-05-06 | Thomson Licensing | Method and apparatus for generating from a quantised image having a first bit depth a corresponding image having a second bit depth |
CN105745914B (zh) | 2013-11-22 | 2018-09-07 | 杜比实验室特许公司 | 用于逆色调映射的方法和系统 |
US9911181B2 (en) | 2013-12-27 | 2018-03-06 | Thomson Licensing | Method for inverse tone mapping of an image |
US10404937B2 (en) | 2014-05-15 | 2019-09-03 | Sony Corporation | Communication device and communication method |
RU2578799C1 (ru) * | 2015-03-13 | 2016-03-27 | Федеральное государственное бюджетное учреждение науки Институт космических исследований Российской академии наук | Способ получения изображений с увеличенным динамическим диапазоном |
WO2017032822A1 (en) | 2015-08-25 | 2017-03-02 | Thomson Licensing | Inverse tone mapping based on luminance zones |
EP3249605A1 (en) * | 2016-05-23 | 2017-11-29 | Thomson Licensing | Inverse tone mapping method and corresponding device |
EP3373585A1 (en) * | 2017-03-09 | 2018-09-12 | Thomson Licensing | Method for inverse tone mapping of an image with visual effects |
EP3418972A1 (en) | 2017-06-23 | 2018-12-26 | Thomson Licensing | Method for tone adapting an image to a target peak luminance lt of a target display device |
US11100888B2 (en) | 2017-06-28 | 2021-08-24 | The University Of British Columbia | Methods and apparatuses for tone mapping and inverse tone mapping |
EP3503019A1 (en) * | 2017-12-21 | 2019-06-26 | Thomson Licensing | Improved inverse tone mapping method and corresponding device |
CN113518185B (zh) * | 2020-12-30 | 2022-08-05 | 腾讯科技(深圳)有限公司 | 视频转换处理方法、装置、计算机可读介质及电子设备 |
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CN1696975A (zh) * | 2004-05-14 | 2005-11-16 | 蒲恬 | 一种数字图像增强方法 |
JP2006173671A (ja) * | 2004-12-10 | 2006-06-29 | Konica Minolta Holdings Inc | 撮像装置及び画像処理方法 |
-
2007
- 2007-11-27 US US12/516,235 patent/US8289412B2/en active Active
- 2007-11-27 WO PCT/US2007/024498 patent/WO2008066840A2/en active Application Filing
- 2007-11-27 AU AU2007325737A patent/AU2007325737B2/en active Active
- 2007-11-27 EP EP07862289A patent/EP2098060B1/en active Active
- 2007-11-27 UA UAA200906611A patent/UA99449C2/ru unknown
- 2007-11-27 JP JP2009538424A patent/JP5411706B2/ja active Active
- 2007-11-27 MX MX2009005564A patent/MX2009005564A/es active IP Right Grant
- 2007-11-27 MY MYPI20091878A patent/MY147417A/en unknown
- 2007-11-27 KR KR1020097013215A patent/KR101466596B1/ko active IP Right Grant
- 2007-11-27 CN CN2007800441498A patent/CN101595719B/zh active Active
- 2007-11-27 BR BRPI0719548A patent/BRPI0719548B1/pt active IP Right Grant
- 2007-11-27 CA CA2669028A patent/CA2669028C/en active Active
- 2007-11-27 RU RU2009123903/28A patent/RU2444786C2/ru active
-
2009
- 2009-05-06 IL IL198599A patent/IL198599A/en active IP Right Grant
- 2009-06-23 NO NO20092391A patent/NO338509B1/no unknown
- 2009-12-30 HK HK09112304.7A patent/HK1135543A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IL198599A (en) | 2015-01-29 |
CA2669028A1 (en) | 2008-06-05 |
RU2009123903A (ru) | 2011-01-10 |
US8289412B2 (en) | 2012-10-16 |
WO2008066840A3 (en) | 2009-04-16 |
JP2010511326A (ja) | 2010-04-08 |
KR101466596B1 (ko) | 2014-11-28 |
CN101595719A (zh) | 2009-12-02 |
CN101595719B (zh) | 2012-06-13 |
EP2098060A4 (en) | 2011-09-28 |
AU2007325737A1 (en) | 2008-06-05 |
HK1135543A1 (en) | 2010-06-04 |
BRPI0719548A2 (pt) | 2014-01-21 |
AU2007325737B2 (en) | 2011-02-10 |
WO2008066840A2 (en) | 2008-06-05 |
RU2444786C2 (ru) | 2012-03-10 |
BRPI0719548B1 (pt) | 2020-02-04 |
NO20092391L (no) | 2009-06-23 |
EP2098060B1 (en) | 2012-10-24 |
KR20090091207A (ko) | 2009-08-26 |
IL198599A0 (en) | 2010-02-17 |
CA2669028C (en) | 2016-01-12 |
EP2098060A2 (en) | 2009-09-09 |
MX2009005564A (es) | 2009-08-13 |
MY147417A (en) | 2012-12-14 |
JP5411706B2 (ja) | 2014-02-12 |
NO338509B1 (no) | 2016-08-29 |
US20100208143A1 (en) | 2010-08-19 |
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