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Imaging Spectrometer and High Spatial Resolution Spectral Imaging Method Based on Interference Effect

An imaging spectrometer and spectral imaging technology, which is applied in the field of remote sensing and imaging with high spatial resolution and high spectral resolution, can solve the problems of indistinguishable and small malignant tumor cells and tissues, and achieve low cost, low cost, high spectral The effect of resolution

Active Publication Date: 2022-02-11
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, the actual situation is often that the malignant tumor cell tissue is small, and it cannot be distinguished from normal red blood cells, healthy cell tissue, etc. by ordinary imaging spectrometers

Method used

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  • Imaging Spectrometer and High Spatial Resolution Spectral Imaging Method Based on Interference Effect
  • Imaging Spectrometer and High Spatial Resolution Spectral Imaging Method Based on Interference Effect
  • Imaging Spectrometer and High Spatial Resolution Spectral Imaging Method Based on Interference Effect

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Embodiment Construction

[0041] Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are only typical examples of applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent replacements or equivalent transformations fall within the protection scope of the present invention.

[0042] The present invention discloses an imaging spectrometer based on interference effect and its high spatial resolution spectral imaging method capable of obtaining rich information in spatial and spectral dimensions, such as figure 1 As shown, the imaging spectrometer includes: a front-end device 18, an interference device 14, a control device 25, a collimation device 19, an array detection chip 50 and a data calculation and analysis system, and the data calculation and analysis system is in figure 1 Not shown in the figure, the front-end device...

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Abstract

The present invention proposes an imaging spectrometer based on interference effects and a high spatial resolution imaging spectral imaging method; the coherent light intensity detected by the same pixel element under different control conditions of the control device is different from each other, and is substituted into the matrix equation to calculate the spectrum. Higher spectral resolution can be achieved by controlling the device to output more control parameters; due to the large number of pixels on the array detection chip, each pixel can be used to image the target by dividing the area of ​​the target to be measured Spectral measurement is performed in different subunit areas of the region, so the spatial resolution of spectral imaging is high; in the process of use, the spectral measurement range of the imaging spectrometer can be made wider. The imaging system has a simple preparation process and does not require precision optical devices such as gratings. Compared with traditional hyperspectral imaging systems, it has smaller volume, lower cost and higher performance.

Description

technical field [0001] The invention relates to an imaging spectrometer and a spectral imaging method for obtaining rich information of spatial dimension and spectral dimension, which can be used in the technical field of remote sensing and imaging with high spatial resolution and high spectral resolution. Background technique [0002] Any substance, whether it exists in a solid state, a liquid state or a gaseous state, has inherent spectral characteristics (related to the composition of its chemical materials), and its inherent characteristics are obtained by means of spectral analysis. Hyperspectral imaging technology can record the spectral properties and spatial distribution of these solid, liquid and gaseous substances, and analyze the samples from both graphic and spectral aspects. [0003] At present, hyperspectral imaging technology has been widely used in land and ocean geographic remote sensing, remote sensing monitoring of pollutants in the atmosphere, soil and wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/28G01J3/45G01J3/02
Inventor 杨涛黄维耿清风李兴鳌
Owner NANJING UNIV OF POSTS & TELECOMM
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