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Imaging system and imaging method for differentiating fluorescent radiation spectral image from reflective spectral image

A fluorescent radiation and spectral image technology, applied in optical radiometry, spectrometry/spectrophotometry/monochromator, spectrum investigation, etc., can solve limited static scene analysis and other problems

Active Publication Date: 2016-07-20
SHENZHEN INST OF FUTURE MEDIA TECH +1
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Problems solved by technology

However, the above methods are limited to static scene analysis due to the use of common spectrum-scanning hyperspectral imaging systems

Method used

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  • Imaging system and imaging method for differentiating fluorescent radiation spectral image from reflective spectral image
  • Imaging system and imaging method for differentiating fluorescent radiation spectral image from reflective spectral image
  • Imaging system and imaging method for differentiating fluorescent radiation spectral image from reflective spectral image

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Embodiment Construction

[0038] The preferred embodiments of the invention will be further described in detail below.

[0039] like figure 1 and 2 As shown, an imaging system for distinguishing fluorescent radiation spectral images and reflection spectral images includes: a spectrally codeable light source part and a hyperspectral coded imaging part, wherein the spectrally codeable light source part includes: a light source 18, a fourth convex lens 17, a Two gratings 16, the fifth convex lens 15 and the spatial light modulator 13 (such as the Lcos spatial light modulator), the light emitted by the light source 18 arrives at the spatial light modulator 13 through the fourth convex lens 17, the second grating 16 and the fifth convex lens 15 in sequence , then arrive at scene 1, which contains fluorescent materials. The hyperspectral coding imaging part includes: an objective lens 2, a first grating 3, a first convex lens 4, a second convex lens 6, a mask 8, a third convex lens 10, a filter 11 and a li...

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Abstract

The invention discloses an imaging system and an imaging method for differentiating a fluorescent radiation spectral image from a reflective spectral image. The imaging system comprises an objective lens, a first raster, a first convex lens, a second convex lens, a mask, a third convex lens and an optical sensor. Fluorescent light which is radiated from a scene and reflective light successively pass through the objective lens, the first raster, the first convex lens, the second convex lens, the mask and the third convex lens and arrive at the optical sensor. According to the imaging system and the imaging method, two sets of high spectral images with different characteristics can be recovered in coding images which are captured after two times of exposure, and analysis on a dynamic scene can be realized. According to the imaging system and the imaging method, combined coding of spatial dimension and spectrum dimension is used, and sacrifice in high spectral imaging in time dimension and space dimension are overcome. A result which is recovered through the imaging system and the imaging method has high robustness to noise.

Description

【Technical field】 [0001] The invention relates to an imaging system and method for distinguishing fluorescent radiation spectrum images and reflection spectrum images. 【Background technique】 [0002] Hyperspectral imaging is a technology about obtaining dozens or even more spectral information of a single scene point. The hyperspectral image set obtained by hyperspectral imaging can be regarded as three-dimensional data composed of spatial dimension (two dimensions) and spectral dimension (one dimension). Hyperspectral imaging technology is often used in remote sensing photography, biomedical analysis, material analysis and other fields. Relying on these applications, many hyperspectral imaging methods have been proposed. The traditional hyperspectral imaging method sacrifices the time dimension to meet the requirements of the spectral dimension, and uses time-sequential spectral scanning to complete imaging. In order to overcome this disadvantage and realize hyperspectra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/28
CPCG01J3/2823
Inventor 张永兵苗长龙季向阳林星李莉华戴琼海
Owner SHENZHEN INST OF FUTURE MEDIA TECH
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