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Light splitting polarization imaging device and method

A polarization imaging and spectroscopic technology, applied in the field of optical imaging, to improve the effect of low brightness

Active Publication Date: 2020-05-26
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

By dividing the light into two beams, acquiring the polarization state of one of them, and fusing the images generated by the two beams, it effectively improves the situation that the brightness of the final image is too low due to the acquisition of the polarization state

Method used

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  • Light splitting polarization imaging device and method

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Embodiment Construction

[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0047] see image 3 , is a device schematic diagram of a possible embodiment of the spectroscopic polarization imaging device of the present application. like image 3 As shown, the imaging device 100 includes a lens 110 , a spectroscopic device 120 , a polarization sensor 130 , an image sensor 140 and an image processor 150 .

[0048] The lens 110 is used for collecting light and converging the light onto the spectroscopic device 120 . The lens 110 may be composed of multiple lenses, or may be composed of a single lens, which is not limited here.

[0049] The beam splitting device 120 is used for splitting the light received from the lens 110 into a first light beam and a second light beam. Wherein, the first light beam may be composed of light transmitted through the spect...

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Abstract

The invention provides a light splitting polarization imaging device and method. According to an imaging method, received light is divided into two paths of light beams by adopting a film coating light splitting mode, and the polarization state of one path of light beam is obtained by adopting a focal plane splitting method. Images are generated by using the two paths of light beams, and algorithmprocessing such as rain and fog removal and reflection removal is carried out on the two paths of images according to the polarization state, and then the two paths of images are fused to generate afinal image. In addition, the polarization angle of reflection can be determined according to the polarization state, and then the adaptive polarization mechanism is used for removing the reflection light in the other path of light beam, thereby achieving the purpose of reflection removal.

Description

technical field [0001] The present application relates to the field of optical imaging, in particular to a method and device for spectroscopic polarization imaging. Background technique [0002] In recent years, people have higher and higher requirements for the quality of color images output by imaging devices. In some special scenarios, traditional imaging devices are increasingly difficult to meet the requirements. The method adopted by traditional imaging equipment is to directly present all the received light information in the output image. When the illumination is low (such as dusk or night) or the interference light information is strong (such as rainy and foggy weather or the object is highly reflective), the output The color image of the color image cannot effectively represent the target object. Using the polarization characteristics of light, real-time processing and screening of the optical information received by the device through the polarization state of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/28G02B27/10G03B41/00H04N5/225
CPCG02B27/283G02B27/10G03B41/00H04N23/55H04N23/95G02B27/28
Inventor 邢诗萍高山周建同吴振华曾建洪王向炯肖晶
Owner HUAWEI TECH CO LTD
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