Invention Application
- Patent Title: COLOR FILTERS AND DEMOSAICING TECHNIQUES FOR DIGITAL IMAGING
- Patent Title (中): 彩色滤镜和数字成像技术
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Application No.: PCT/US2010/002018Application Date: 2010-07-15
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Publication No.: WO2011008300A1Publication Date: 2011-01-20
- Inventor: MYHRVOLD, Nathan, P.
- Applicant: SEARETE LLC , MYHRVOLD, Nathan, P.
- Applicant Address: 11235 SE 6th Street, Suite 200 Bellevue, Washington 98004 US
- Assignee: SEARETE LLC,MYHRVOLD, Nathan, P.
- Current Assignee: SEARETE LLC,MYHRVOLD, Nathan, P.
- Current Assignee Address: 11235 SE 6th Street, Suite 200 Bellevue, Washington 98004 US
- Agency: TEGREENE, Clarence, T. et al.
- Priority: US61/271,195 20090717; US12/590,041 20091030
- Main IPC: H04N9/083
- IPC: H04N9/083
Abstract:
Color filter arrays or mosaics are provided for imaging a scene with diffraction limited optics. A distribution of color types in a color filter array is biased toward smaller wavelengths to avoid or reduce loss of spatial resolution information at higher wavelengths due to a larger extent of diffraction at the higher wavelengths. Demosaicing methods for reconstructing a partial or full color image from raw image data involve applying correction factors to account for diffraction. The correction factors are based on pixel size and/or a measure of the extent of diffraction (e.g., an Air disk diameter for each wavelength in the color filter array.
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