GB0619284D0 - Image enhancement method and apparatus therefor - Google Patents

Image enhancement method and apparatus therefor

Info

Publication number
GB0619284D0
GB0619284D0 GBGB0619284.3A GB0619284A GB0619284D0 GB 0619284 D0 GB0619284 D0 GB 0619284D0 GB 0619284 A GB0619284 A GB 0619284A GB 0619284 D0 GB0619284 D0 GB 0619284D0
Authority
GB
United Kingdom
Prior art keywords
image enhancement
apparatus therefor
enhancement method
therefor
image
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB0619284.3A
Other versions
GB2442257A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Apical Ltd
Original Assignee
Apical Ltd
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 Apical Ltd filed Critical Apical Ltd
Priority to GB0619284A priority Critical patent/GB2442257A/en
Publication of GB0619284D0 publication Critical patent/GB0619284D0/en
Priority to PCT/EP2007/060396 priority patent/WO2008037812A2/en
Publication of GB2442257A publication Critical patent/GB2442257A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G06T5/92—
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/14—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices
    • H04N3/15—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices for picture signal generation
    • H04N3/155—Control of the image-sensor operation, e.g. image processing within the image-sensor
    • H04N5/243—
GB0619284A 2006-09-29 2006-09-29 Spatially variable pixel gain Withdrawn GB2442257A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0619284A GB2442257A (en) 2006-09-29 2006-09-29 Spatially variable pixel gain
PCT/EP2007/060396 WO2008037812A2 (en) 2006-09-29 2007-10-01 Image enhancement method and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0619284A GB2442257A (en) 2006-09-29 2006-09-29 Spatially variable pixel gain

Publications (2)

Publication Number Publication Date
GB0619284D0 true GB0619284D0 (en) 2006-11-08
GB2442257A GB2442257A (en) 2008-04-02

Family

ID=37434958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0619284A Withdrawn GB2442257A (en) 2006-09-29 2006-09-29 Spatially variable pixel gain

Country Status (2)

Country Link
GB (1) GB2442257A (en)
WO (1) WO2008037812A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9077905B2 (en) 2009-02-06 2015-07-07 Canon Kabushiki Kaisha Image capturing apparatus and control method thereof
US8355059B2 (en) 2009-02-06 2013-01-15 Canon Kabushiki Kaisha Image capturing apparatus and control method thereof
US20190052803A1 (en) * 2017-08-09 2019-02-14 Canon Kabushiki Kaisha Image processing system, imaging apparatus, image processing apparatus, control method, and storage medium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991456A (en) * 1996-05-29 1999-11-23 Science And Technology Corporation Method of improving a digital image
US6137533A (en) * 1997-05-14 2000-10-24 Cirrus Logic, Inc. System and method for enhancing dynamic range in images
GB0110748D0 (en) * 2001-05-02 2001-06-27 Apical Ltd Image enhancement methods and apparatus therefor
US7456868B2 (en) * 2002-02-01 2008-11-25 Calderwood Richard C Digital camera with ISO pickup sensitivity adjustment
JP3880553B2 (en) * 2003-07-31 2007-02-14 キヤノン株式会社 Image processing method and apparatus
KR100555755B1 (en) * 2004-05-04 2006-03-03 삼성전자주식회사 Apparatus correcting image by luminance histogram
US7599578B2 (en) * 2004-09-17 2009-10-06 Nikon Corporation Apparatus, program, and method for image tone transformation, and electronic camera
JP2006203477A (en) * 2005-01-19 2006-08-03 Fuji Photo Film Co Ltd Photographing apparatus
US7489831B2 (en) * 2005-02-11 2009-02-10 Samsung Electronics Co., Ltd. Method and apparatus for darker region details using image global information

Also Published As

Publication number Publication date
WO2008037812A2 (en) 2008-04-03
WO2008037812A3 (en) 2008-05-15
GB2442257A (en) 2008-04-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)