HK1135543A1 - Apparatus and methods for boosting dynamic range in digital images - Google Patents

Apparatus and methods for boosting dynamic range in digital images

Info

Publication number
HK1135543A1
HK1135543A1 HK09112304.7A HK09112304A HK1135543A1 HK 1135543 A1 HK1135543 A1 HK 1135543A1 HK 09112304 A HK09112304 A HK 09112304A HK 1135543 A1 HK1135543 A1 HK 1135543A1
Authority
HK
Hong Kong
Prior art keywords
methods
dynamic range
digital images
boosting
boosting dynamic
Prior art date
Application number
HK09112304.7A
Other languages
English (en)
Inventor
Francesco Banterle
Patrick Ledda
Kurt Debattista
Alan Chalmers
Original Assignee
Dolby Lab Licensing Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39468493&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1135543(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of HK1135543A1 publication Critical patent/HK1135543A1/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • 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 using two or more images, e.g. averaging or subtraction
    • 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
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
HK09112304.7A 2006-11-27 2009-12-30 Apparatus and methods for boosting dynamic range in digital images HK1135543A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86732506P 2006-11-27 2006-11-27
PCT/US2007/024498 WO2008066840A2 (en) 2006-11-27 2007-11-27 Apparatus and methods for boosting dynamic range in digital images

Publications (1)

Publication Number Publication Date
HK1135543A1 true HK1135543A1 (en) 2010-06-04

Family

ID=39468493

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09112304.7A HK1135543A1 (en) 2006-11-27 2009-12-30 Apparatus and methods for boosting dynamic range in digital images

Country Status (16)

Country Link
US (1) US8289412B2 (xx)
EP (1) EP2098060B1 (xx)
JP (1) JP5411706B2 (xx)
KR (1) KR101466596B1 (xx)
CN (1) CN101595719B (xx)
AU (1) AU2007325737B2 (xx)
BR (1) BRPI0719548B1 (xx)
CA (1) CA2669028C (xx)
HK (1) HK1135543A1 (xx)
IL (1) IL198599A (xx)
MX (1) MX2009005564A (xx)
MY (1) MY147417A (xx)
NO (1) NO338509B1 (xx)
RU (1) RU2444786C2 (xx)
UA (1) UA99449C2 (xx)
WO (1) WO2008066840A2 (xx)

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WO2011042229A1 (en) * 2009-10-08 2011-04-14 International Business Machines Corporation Method and system for transforming a digital image from a low dynamic range (ldr) image to a high dynamic range (hdr) image
WO2012012446A2 (en) * 2010-07-22 2012-01-26 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
TWI538473B (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
ES2750234T3 (es) 2011-04-14 2020-03-25 Dolby Laboratories Licensing Corp Predictor de regresión múltiple de múltiples canales de color
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
PT2880624T (pt) 2012-03-26 2019-08-26 Koninklijke Philips Nv Aparelhos e métodos baseados em região de brilho para codificação e descodificação de imagens hdr
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
ES2690371T3 (es) * 2013-12-27 2018-11-20 Thomson Licensing Método para el mapeado tonal inverso de una imagen
WO2015174108A1 (ja) * 2014-05-15 2015-11-19 ソニー株式会社 通信装置及び通信方法、並びにコンピューター・プログラム
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
EP3341913B1 (en) * 2015-08-25 2019-06-26 InterDigital VC Holdings, Inc. 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
WO2019000097A1 (en) 2017-06-28 2019-01-03 The University Of British Columbia METHODS AND APPARATUS FOR MAPPING TONE AND MAPPING INVERSE TONE
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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Also Published As

Publication number Publication date
AU2007325737B2 (en) 2011-02-10
KR20090091207A (ko) 2009-08-26
AU2007325737A1 (en) 2008-06-05
NO338509B1 (no) 2016-08-29
EP2098060A2 (en) 2009-09-09
JP5411706B2 (ja) 2014-02-12
BRPI0719548A2 (pt) 2014-01-21
RU2444786C2 (ru) 2012-03-10
UA99449C2 (ru) 2012-08-27
KR101466596B1 (ko) 2014-11-28
WO2008066840A2 (en) 2008-06-05
IL198599A0 (en) 2010-02-17
MX2009005564A (es) 2009-08-13
CN101595719A (zh) 2009-12-02
WO2008066840A3 (en) 2009-04-16
CA2669028A1 (en) 2008-06-05
MY147417A (en) 2012-12-14
CA2669028C (en) 2016-01-12
CN101595719B (zh) 2012-06-13
EP2098060A4 (en) 2011-09-28
EP2098060B1 (en) 2012-10-24
IL198599A (en) 2015-01-29
JP2010511326A (ja) 2010-04-08
BRPI0719548B1 (pt) 2020-02-04
US20100208143A1 (en) 2010-08-19
NO20092391L (no) 2009-06-23
US8289412B2 (en) 2012-10-16
RU2009123903A (ru) 2011-01-10

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