WO2007015765A3 - Image sensor with improved lightsensitivity - Google Patents

Image sensor with improved lightsensitivity Download PDF

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Publication number
WO2007015765A3
WO2007015765A3 PCT/US2006/027454 US2006027454W WO2007015765A3 WO 2007015765 A3 WO2007015765 A3 WO 2007015765A3 US 2006027454 W US2006027454 W US 2006027454W WO 2007015765 A3 WO2007015765 A3 WO 2007015765A3
Authority
WO
WIPO (PCT)
Prior art keywords
pixels
group
image sensor
lightsensitivity
improved
Prior art date
Application number
PCT/US2006/027454
Other languages
French (fr)
Other versions
WO2007015765A2 (en
Inventor
John Thomas Compton
Jr John Franklin Hamilton
Original Assignee
Eastman Kodak Co
John Thomas Compton
Jr John Franklin Hamilton
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, John Thomas Compton, Jr John Franklin Hamilton filed Critical Eastman Kodak Co
Priority to EP06800074.4A priority Critical patent/EP1908302B1/en
Priority to CN2006800274749A priority patent/CN101233762B/en
Priority to JP2008523929A priority patent/JP2009504005A/en
Publication of WO2007015765A2 publication Critical patent/WO2007015765A2/en
Publication of WO2007015765A3 publication Critical patent/WO2007015765A3/en

Links

Classifications

    • 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
    • H04N23/843—Demosaicing, e.g. interpolating colour pixel values
    • 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
    • H04N25/133—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements including elements passing panchromatic light, e.g. filters passing white light
    • 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
    • H04N25/10—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
    • H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
    • H04N25/136—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements using complementary colours
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera

Abstract

An image sensor for capturing a color image is disclosed having a two-dimensional array having first and second groups of pixels wherein pixels from the first group of pixels have narrower spectral photoresponses than pixels from the second group of pixels and wherein the first group of pixels has individual pixels that have spectral photoresponses that correspond to a set of at least two colors. Further, the placement of the first and second groups of pixels defines a pattern that has a minimal repeating unit including at least twelve pixels. The minimal repeating unit has a plurality of cells wherein each cell has at least two pixels representing a specific color selected from the first group of pixels and a plurality of pixels selected from the second group of pixels (panchromatic = white pixels) arranged to permit the reproduction of a captured color image under different lighting conditions .
PCT/US2006/027454 2005-07-28 2006-07-13 Image sensor with improved lightsensitivity WO2007015765A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06800074.4A EP1908302B1 (en) 2005-07-28 2006-07-13 Image sensor with improved lightsensitivity
CN2006800274749A CN101233762B (en) 2005-07-28 2006-07-13 Image sensor with improved lightsensitivity
JP2008523929A JP2009504005A (en) 2005-07-28 2006-07-13 Image sensor with improved light sensitivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/191,729 US8139130B2 (en) 2005-07-28 2005-07-28 Image sensor with improved light sensitivity
US11/191,729 2005-07-28

Publications (2)

Publication Number Publication Date
WO2007015765A2 WO2007015765A2 (en) 2007-02-08
WO2007015765A3 true WO2007015765A3 (en) 2007-03-29

Family

ID=37467474

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/027454 WO2007015765A2 (en) 2005-07-28 2006-07-13 Image sensor with improved lightsensitivity

Country Status (5)

Country Link
US (2) US8139130B2 (en)
EP (1) EP1908302B1 (en)
JP (2) JP2009504005A (en)
CN (1) CN101233762B (en)
WO (1) WO2007015765A2 (en)

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* Cited by examiner, † Cited by third party
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