DK1745436T3 - Fremgangsmåder og systemer til konvertering af billeder fra lavt dynamikområde til højt dynamikområde - Google Patents

Fremgangsmåder og systemer til konvertering af billeder fra lavt dynamikområde til højt dynamikområde

Info

Publication number
DK1745436T3
DK1745436T3 DK04802373.3T DK04802373T DK1745436T3 DK 1745436 T3 DK1745436 T3 DK 1745436T3 DK 04802373 T DK04802373 T DK 04802373T DK 1745436 T3 DK1745436 T3 DK 1745436T3
Authority
DK
Denmark
Prior art keywords
dynamic range
systems
methods
converting images
high dynamic
Prior art date
Application number
DK04802373.3T
Other languages
English (en)
Inventor
Lorne A Whitehead
Helge Seetzen
Gregory John Ward
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK1745436T3 publication Critical patent/DK1745436T3/da

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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
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
DK04802373.3T 2004-04-15 2004-12-24 Fremgangsmåder og systemer til konvertering af billeder fra lavt dynamikområde til højt dynamikområde DK1745436T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56224004P 2004-04-15 2004-04-15
PCT/CA2004/002198 WO2005101309A1 (en) 2004-04-15 2004-12-24 Methods and systems for converting images from low dynamic range to high dynamic range

Publications (1)

Publication Number Publication Date
DK1745436T3 true DK1745436T3 (da) 2012-09-10

Family

ID=35150201

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04802373.3T DK1745436T3 (da) 2004-04-15 2004-12-24 Fremgangsmåder og systemer til konvertering af billeder fra lavt dynamikområde til højt dynamikområde

Country Status (9)

Country Link
US (3) US8265378B2 (da)
EP (2) EP2492867B1 (da)
JP (1) JP4814217B2 (da)
KR (1) KR101012270B1 (da)
CN (2) CN1954339B (da)
CA (1) CA2563520C (da)
DK (1) DK1745436T3 (da)
HK (1) HK1098563A1 (da)
WO (1) WO2005101309A1 (da)

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Also Published As

Publication number Publication date
EP1745436A1 (en) 2007-01-24
US20080031517A1 (en) 2008-02-07
KR101012270B1 (ko) 2011-02-07
JP4814217B2 (ja) 2011-11-16
EP2492867A3 (en) 2012-10-31
EP1745436B1 (en) 2012-05-30
EP2492867A2 (en) 2012-08-29
CN1954339B (zh) 2010-05-12
US20070269104A1 (en) 2007-11-22
US8249337B2 (en) 2012-08-21
HK1098563A1 (en) 2007-07-20
WO2005101309A1 (en) 2005-10-27
CA2563520A1 (en) 2005-10-27
EP2492867B1 (en) 2016-08-03
US8265378B2 (en) 2012-09-11
EP1745436A4 (en) 2008-07-02
CN101901480B (zh) 2013-03-06
KR20070004853A (ko) 2007-01-09
US20120176399A1 (en) 2012-07-12
JP2007534060A (ja) 2007-11-22
CA2563520C (en) 2014-12-16
US8509528B2 (en) 2013-08-13
CN101901480A (zh) 2010-12-01
CN1954339A (zh) 2007-04-25

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