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 (fr) 2006-11-27 2007-11-27 Appareil et procédé d'augmentation de la gamme dynamique dans des images numériques

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

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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
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EP2697971B1 (fr) 2011-04-14 2015-07-08 Dolby Laboratories Licensing Corporation Variable indépendante utilisant la régression multiple dans plusieurs canaux de couleurs
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
US9819974B2 (en) 2012-02-29 2017-11-14 Dolby Laboratories Licensing Corporation Image metadata creation for improved image processing and content delivery
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
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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 (fr) * 2013-10-29 2015-05-06 Thomson Licensing Procédé et appareil de génération d'une image quantifiée ayant une première image de profondeur binaire, image correspondante présentant une seconde profondeur binaire
EP3072288B1 (fr) 2013-11-22 2019-06-12 Dolby Laboratories Licensing Corporation Procédés et systèmes de mappage tonal inverse
ES2690371T3 (es) * 2013-12-27 2018-11-20 Thomson Licensing Método para el mapeado tonal inverso de una imagen
CN106464967B (zh) 2014-05-15 2019-11-22 索尼公司 通信装置、通信方法和计算机可读存储介质
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
KR102531222B1 (ko) 2015-08-25 2023-05-10 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 루미넌스 존들에 기초한 역 톤 맵핑
EP3249605A1 (fr) * 2016-05-23 2017-11-29 Thomson Licensing Procédé de mappage de tonalité inverse et dispositif correspondant
EP3373585A1 (fr) * 2017-03-09 2018-09-12 Thomson Licensing Procédé de mappage de tonalité inverse d'une image avec des effets visuels
EP3418972A1 (fr) 2017-06-23 2018-12-26 Thomson Licensing Procédé d'adaptation de tonalité d'une image en fonction de la luminance maximale de cible lt d'un afficheur cible
WO2019000097A1 (fr) 2017-06-28 2019-01-03 The University Of British Columbia Procédés et appareils de mappage de tonalité et de mappage de tonalité inverse
EP3503019A1 (fr) * 2017-12-21 2019-06-26 Thomson Licensing Procédé amélioré de mappage inverse de tonalité et dispositif correspondant
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
WO2008066840A2 (fr) 2008-06-05
AU2007325737A1 (en) 2008-06-05
EP2098060B1 (fr) 2012-10-24
IL198599A (en) 2015-01-29
US20100208143A1 (en) 2010-08-19
IL198599A0 (en) 2010-02-17
RU2444786C2 (ru) 2012-03-10
US8289412B2 (en) 2012-10-16
NO20092391L (no) 2009-06-23
MY147417A (en) 2012-12-14
JP5411706B2 (ja) 2014-02-12
AU2007325737B2 (en) 2011-02-10
CN101595719B (zh) 2012-06-13
EP2098060A4 (fr) 2011-09-28
BRPI0719548A2 (pt) 2014-01-21
EP2098060A2 (fr) 2009-09-09
RU2009123903A (ru) 2011-01-10
MX2009005564A (es) 2009-08-13
NO338509B1 (no) 2016-08-29
UA99449C2 (ru) 2012-08-27
CA2669028C (fr) 2016-01-12
JP2010511326A (ja) 2010-04-08
WO2008066840A3 (fr) 2009-04-16
CA2669028A1 (fr) 2008-06-05
BRPI0719548B1 (pt) 2020-02-04
KR20090091207A (ko) 2009-08-26
CN101595719A (zh) 2009-12-02
KR101466596B1 (ko) 2014-11-28

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