Color Filter and Demosaic Transformation Techniques for Digital Imaging

A color filter, color technology, applied in the field of spectral content of images

Inactive Publication Date: 2016-02-10
发明科学基金I有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above considered luminance-chromaticity based color filter arrays do not address the wavelength dependent diffraction effects that can occur at the image sensor optics

Method used

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  • Color Filter and Demosaic Transformation Techniques for Digital Imaging
  • Color Filter and Demosaic Transformation Techniques for Digital Imaging
  • Color Filter and Demosaic Transformation Techniques for Digital Imaging

Examples

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Embodiment Construction

[0031] In the following detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrative embodiments described in the detailed description, drawings, and claims are not intended to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein.

[0032] The terms "image" and "reproduction of a scene" as used herein are to be understood to include, but not be limited to, reference to image and scene reproduction data and / or signals, respectively. In this context, the term may also refer to the display or output of such data and / or signals. Furthermore, the term "extrapolating" data or values ​​as used herein will be understood to include, but not be limited to, "interpolating" data or values. More generally, any nominal term (...

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Abstract

A color filter array or mosaic is provided for imaging a scene using diffraction limited optics. The distribution of color types in the color filter array is biased towards smaller wavelengths to avoid or reduce the loss of spatial resolution information at higher wavelengths caused by a greater degree of diffraction at higher wavelengths . Demosaicing methods for reconstructing partial or full color images from raw image data involve applying correction factors to take diffraction into account. The correction factor is based on pixel size and / or a measure of the degree of diffraction (eg Airy disk diameter for each wavelength in the color filter array).

Description

[0001] Cross References to Related Applications [0002] This application relates to and claims the benefit of from the earliest available actual filing date of the applications listed below ("related applications") (e.g., claiming the earliest available priority date of a non-provisional patent application or claiming the benefit under 35 USC § 119( e) claims interest in the provisional patent application, in any and all parent applications of related applications, parent applications of parent applications, parent applications of parent applications of parent applications, etc.). All subject matter of the related application, and any and all parent applications of the related application, parent applications of the parent application, parent applications of the parent application of the parent application, etc., is incorporated by reference to the extent such subject matter is not inconsistent with this document. into this article. [0003] Related applications: [0004] For...

Claims

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Application Information

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IPC IPC(8): H04N9/083
CPCH04N2209/046H04N23/843H04N25/133H04N25/135H04N23/12H04N25/134
Inventor 内森·P·米佛德
Owner 发明科学基金I有限责任公司
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