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A real-time multi-spectral tomography shooting method and device

A shooting method and multi-spectral technology, applied in the field of multi-spectral imaging, can solve the problems that cannot be applied to objects that cannot be rotated, that there is no semi-transparent material imaging technology, and that cannot be applied to changing rapidly, so as to reduce luminous flux loss, easy to build, and accurate data. Effect

Active Publication Date: 2022-02-08
NANJING UNIV +1
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AI Technical Summary

Problems solved by technology

However, this technology cannot be applied to objects that cannot be rotated, and it cannot be applied to objects that change rapidly. There are many restrictions and cannot achieve real-time effects.
There is currently no real-time, multispectral, high spatial resolution imaging technique that can be applied to translucent substances such as flames

Method used

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  • A real-time multi-spectral tomography shooting method and device
  • A real-time multi-spectral tomography shooting method and device
  • A real-time multi-spectral tomography shooting method and device

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] combine figure 1 , the present invention is a real-time multi-spectral tomography imaging device, which mainly includes a laser light path and a prism mask type imaging system. In order to achieve multi-layer chromatography effect more conveniently, such as figure 2 As shown, in actual operation, this device can be installed with an additional row of guide rails. The method of use is to place a reflector on the guide rail, move the base of the reflector to slide on the slide rail, and the laser can pass through multiple faults of the flame or fluorescent material to obtain the spectral information of different faults, and realize the multi-layer detection of the material. chromatography.

[0028] combine image 3 , where the laser optical path includes a pulsed laser, a beam expander, a collimator, and a converging mirror group. ...

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Abstract

The invention discloses a real-time multi-spectral tomography shooting method and device, belonging to the field of computer vision. The specific steps of the method of the present invention include: firstly, the pulsed laser generates pulsed laser with a certain frequency to induce the relevant components on the tomographic surface of the analyte to generate fluorescence; The system captures the spectral data of sampling points on the tomographic surface of the analyte; finally, the real-time multi-spectral tomographic data is reconstructed through the spectral reconstruction algorithm. The device of the invention includes a laser light path and a prism mask type shooting system. The present invention can realize real-time effects on the basis of spectral chromatography, so that spectral resolution, spatial resolution and time resolution can be satisfied at the same time.

Description

technical field [0001] The invention relates to the technical field of multispectral imaging, in particular to a method and device for real-time multispectral tomography shooting. Background technique [0002] Computed tomography in the field of medical diagnosis uses X-rays, uses Wrighten transform or solves algebraic equations to reconstruct the internal fault structure of the photographed material, but cannot reconstruct the spectral information of the fault. In addition, computerized tomography technology has strong hardware requirements, such as requiring multiple emitters and multiple detectors, and the existing computerized tomography technology cannot be combined with spectral technology to capture multi-spectral information of faults. [0003] Laser-induced fluorescence technology has matured as a technology for detecting internal components of flames and fluorescent substances in the past ten years, but what laser-induced fluorescence technology obtains is only the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/64G01N21/01
CPCG01N21/6402G01N21/6456G01N21/01G01N2021/0112
Inventor 曹汛张焱刘征宇蔡李靖陈小亮超星索津莉戴琼海
Owner NANJING UNIV
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