WO2005024948A3 - Image sensor with extended dynamic range - Google Patents

Image sensor with extended dynamic range Download PDF

Info

Publication number
WO2005024948A3
WO2005024948A3 PCT/US2004/028325 US2004028325W WO2005024948A3 WO 2005024948 A3 WO2005024948 A3 WO 2005024948A3 US 2004028325 W US2004028325 W US 2004028325W WO 2005024948 A3 WO2005024948 A3 WO 2005024948A3
Authority
WO
WIPO (PCT)
Prior art keywords
image sensor
pixels
color filter
dynamic range
extended dynamic
Prior art date
Application number
PCT/US2004/028325
Other languages
French (fr)
Other versions
WO2005024948A2 (en
Inventor
Robert Michael Guidash
Original Assignee
Eastman Kodak Co
Robert Michael Guidash
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 Eastman Kodak Co, Robert Michael Guidash filed Critical Eastman Kodak Co
Priority to CN200480024674XA priority Critical patent/CN1843027B/en
Priority to EP04782749A priority patent/EP1661390A2/en
Priority to JP2006526154A priority patent/JP2007504770A/en
Publication of WO2005024948A2 publication Critical patent/WO2005024948A2/en
Publication of WO2005024948A3 publication Critical patent/WO2005024948A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/58—Control of the dynamic range involving two or more exposures
    • H04N25/581—Control of the dynamic range involving two or more exposures acquired simultaneously
    • H04N25/583—Control of the dynamic range involving two or more exposures acquired simultaneously with different integration times

Abstract

An image sensor includes a plurality of pixels; a color filter pattern spanning at least a portion of the pixels, wherein the color filter pattern forms a color filter kernel having colors in a predetermined arrangement; and a mechanism for controlling integration time of the pixels, wherein the integration time of the plurality of pixels is spatially variant in a pattern that is correlated with the color filter array kernel.
PCT/US2004/028325 2003-09-03 2004-09-01 Image sensor with extended dynamic range WO2005024948A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200480024674XA CN1843027B (en) 2003-09-03 2004-09-01 Image sensor with extended dynamic range
EP04782749A EP1661390A2 (en) 2003-09-03 2004-09-01 Image sensor with extended dynamic range
JP2006526154A JP2007504770A (en) 2003-09-03 2004-09-01 Image sensor with expanded dynamic range

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/654,313 US7830435B2 (en) 2003-09-03 2003-09-03 Image sensor and image capture system with extended dynamic range
US10/654,313 2003-09-03

Publications (2)

Publication Number Publication Date
WO2005024948A2 WO2005024948A2 (en) 2005-03-17
WO2005024948A3 true WO2005024948A3 (en) 2005-09-01

Family

ID=34218061

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/028325 WO2005024948A2 (en) 2003-09-03 2004-09-01 Image sensor with extended dynamic range

Country Status (7)

Country Link
US (2) US7830435B2 (en)
EP (1) EP1661390A2 (en)
JP (1) JP2007504770A (en)
KR (1) KR101038386B1 (en)
CN (2) CN102307282A (en)
TW (1) TWI387334B (en)
WO (1) WO2005024948A2 (en)

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US8134628B2 (en) * 2009-09-30 2012-03-13 Truesense Imaging, Inc. Methods for capturing and reading out images from an image sensor
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US8809759B2 (en) * 2011-10-11 2014-08-19 Omnivision Technologies, Inc. Multiple-row concurrent readout scheme for high-speed CMOS image sensor with backside illumination
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Also Published As

Publication number Publication date
CN1843027A (en) 2006-10-04
JP2007504770A (en) 2007-03-01
CN1843027B (en) 2012-06-20
US20110019040A1 (en) 2011-01-27
WO2005024948A2 (en) 2005-03-17
KR101038386B1 (en) 2011-06-01
EP1661390A2 (en) 2006-05-31
US7830435B2 (en) 2010-11-09
TW200520550A (en) 2005-06-16
US20050045980A1 (en) 2005-03-03
TWI387334B (en) 2013-02-21
KR20060118425A (en) 2006-11-23
CN102307282A (en) 2012-01-04

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