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A Mask Imaging System with Block Multi-band Filters

An imaging system, block-based technology, applied in the direction of optical radiation measurement, instruments, measuring devices, etc., can solve problems such as improvement of multi-band filter design, improve imaging quality, ensure angular resolution, and simplify processing technology Effect

Inactive Publication Date: 2020-06-30
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These studies have improved the image quality of the system in terms of image restoration algorithms, mask design, and calibration methods, but none of them have proposed improvements in the design of multi-band filters.

Method used

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  • A Mask Imaging System with Block Multi-band Filters
  • A Mask Imaging System with Block Multi-band Filters
  • A Mask Imaging System with Block Multi-band Filters

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Embodiment Construction

[0029] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0030] The specific implementation of the present invention includes a mask camera and a segmented multi-band filter, and the structure of the mask camera is as follows: figure 1 As shown, 1 is the mask plate, and 2 is the photoelectric sensor array. The mask plate is made of a piece of transparent glass coated with a metal film, such as figure 2 As shown, the black area is the coating area, the coating area is opaque, and the white area is the light transmission area. The photoelectric sensor array is formed by a plurality of photoelectric sensors arranged in a close array, the mask plate is placed in front of the detection surface of the photoelectric sensor array, and the detection surface of the photoelectric sensor array is arranged with block filters.

[0031] Each pixel on the detection surface of the photoelectric sensor receives the ob...

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Abstract

The invention discloses a mask imaging system for a blocked multiband filter. The mask imaging system comprises a mask camera and the blocked multiband filter, wherein the mask camera is a lens-free camera consisting of a mask and a photoelectric sensor array; the photoelectric sensor array is formed by a plurality of photoelectric sensors via tight array arrangement; the mask is arranged in frontof the detection surface of the photoelectric sensor array; the blocked filter is arranged on the detection surface of the photoelectric sensor array; the blocked multiband filter adopts light filters in blocked arrangement; and the light filter corresponding to each band is continuously arranged. The mask imaging system is capable of improving the multiband imaging quality of the mask camera, simplifying the processing process of the multiband filter and laying a foundation for the multiband imaging of the mask camera.

Description

technical field [0001] The invention belongs to a mask imaging system in the technical field of digital imaging, and in particular relates to a mask imaging system of a segmented multi-band filter. [0002] technical background [0003] Due to the existence of complex lenses in traditional cameras, the entire camera is bulky, which limits the application of the camera. For example, in aerospace remote sensing imaging, the camera is usually required to have a small mass, and in biomedical imaging (medical gastroscope, etc.), the camera is often required to have a small volume, and in these cases, the traditional camera is powerless. Therefore, how to achieve ultra-thin lensless imaging is an important research direction in the field of optical imaging. The mask camera consists of a mask and a photoelectric sensor array, and is a new type of ultra-thin lensless camera. Its thickness is only a few millimeters. Therefore, the mask camera has great research value and important ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/08
CPCG01J5/0831
Inventor 冯华君吴迪周浩徐之海李奇陈跃庭
Owner ZHEJIANG UNIV
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