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Capturing and processing of images using monolithic camera array with hetergeneous imagers

A camera array and imager technology, applied in image data processing, image enhancement, image analysis, etc., can solve the problems of low light sensitivity reduction, signal-to-noise ratio reduction, poor camera performance, etc.

Active Publication Date: 2011-04-27
FOTONATION LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Cameras in mobile devices exhibit poor performance due to limited light-gathering capabilities, reduced signal-to-noise ratio, limited dynamic range, and reduced sensitivity to low-light scenes

Method used

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  • Capturing and processing of images using monolithic camera array with hetergeneous imagers
  • Capturing and processing of images using monolithic camera array with hetergeneous imagers
  • Capturing and processing of images using monolithic camera array with hetergeneous imagers

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Embodiment Construction

[0030] The preferred embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals indicate the same elements or elements with similar functions. And, in the drawings, the leftmost number of each reference number corresponds to the drawing where the reference number is first used.

[0031] Embodiments involve the use of a distributed method to capture images by using multiple imagers with different imaging characteristics. Each imager may be spatially offset from another imager in such a way that the image taken by the imager is offset by the amount of sub-pixels relative to the image taken by the other imager. Each imager may also include independent optical elements with different filters and operate with different operating parameters (such as exposure time). The sharp image generated by the imager is processed to obtain an enhanced image. Each imager can be associated with an optical element made usi...

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Abstract

A camera array, an imaging device and / or a method for capturing image that employ a plurality of imagers fabricated on a substrate is provided. Each imager includes a plurality of pixels. The plurality of imagers include a first imager having a first imaging characteristics and a second imager having a second imaging characteristics. The images generated by the plurality of imagers are processed to obtain an enhanced image compared to images captured by the imagers. Each imager may be associated with an optical element fabricated using a wafer level optics (WLO) technology.

Description

[0001] Related application [0002] This application claims the priority of a US patent application entitled "Mono-Chip Integrated Array of Heterogeneous Image Sensors" filed on May 20, 2008 with serial number 61 / 054,694, which is hereby incorporated by reference in its entirety This article. Technical field [0003] The present application relates to an image sensor with multiple heterogeneous imagers. More specifically, the present application relates to an image sensor with multiple wafer-level imagers with different configurations of custom filters, sensors, and Optical element. Background technique [0004] Image sensors are used in cameras and other imaging devices to take images. In a general imaging device, light enters through an opening (aperture) at one end of the imaging device and is guided to the image sensor through an optical element such as a lens. In most imaging devices, one or more layers of optical elements are placed between the aperture and the image sensor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/203H04N25/00H04N9/03H04N23/12H04N23/13H04N23/40H04N23/90H04N25/46H04N25/48
CPCH01L27/14618H01L27/14625H04N3/1593H04N1/19589H04N9/045H04N1/195H04N5/3696H04N5/23296H01L2924/0002G06T2207/10052G06T7/557G06T7/70G06T7/55G06T7/50H04N13/128H04N13/243H04N13/257H01L27/14632H01L27/14685H01L27/14687H01L27/14621H04N1/19594H04N23/60H04N23/69H04N25/41H04N25/131H04N25/135H04N25/134H04N23/11H04N25/68H04N25/63H04N23/951H04N23/958H04N23/20H01L2924/00H04N5/265H04N23/40H04N23/45H04N23/54H04N23/55H04N23/67H04N23/698H04N25/00H04N23/90H04N23/10H04N23/80H04N25/60H04N25/74H04N25/534H04N25/581H04N25/616H04N2013/0081G06T3/4053H04N5/33H04N5/262H04N5/2621G02B5/20G02B13/0015G02B27/1066G02B27/123G06T1/20G02B3/0006G02B5/208G02B13/0085G02B27/0025G06T2207/30244
Inventor 卡尔蒂克·文卡塔拉曼阿曼丁·S·贾彼罗伯特·H·穆利斯
Owner FOTONATION LTD
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