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An unmanned aerial vehicle-mounted light and small multi-spectral imaging system and its imaging method

A technology of multi-spectral imaging and imaging method, which is applied in the UAV-borne light and small multi-spectral imaging system and its imaging field, can solve the problems of complex system composition and inability of filters to perform effective filtering processing, and achieve the goal of ensuring reasonable distribution Effect

Active Publication Date: 2021-06-25
NORTH CHINA INST OF AEROSPACE ENG
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Problems solved by technology

However, in the process of processing spectral information in the existing multispectral imaging technology, independent filters should be set for different bands of spectra, which leads to complex system configuration, and with the change of the noise source in the spectral information, the preset Filters are sometimes unable to perform effective filtering

Method used

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  • An unmanned aerial vehicle-mounted light and small multi-spectral imaging system and its imaging method

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specific Embodiment approach

[0034] refer to figure 1 , a specific embodiment of the present invention includes,

[0035] An image acquisition module 1, configured to acquire image information;

[0036] Several parallel spectral image extraction modules 2 are used to extract image spectral information under different bands;

[0037] The polarization module 3 corresponding to the spectrum image extraction module 2 one-to-one is used to extract the polarization spectrum information in the image spectrum information;

[0038] The filter module 4 is used to generate a filter function, and filter the polarization spectral information through the filter function;

[0039] The filter function adjustment module 5 is used to adjust the filter function;

[0040] The image synthesis module 6 is configured to use the filtered polarization spectrum information to synthesize images.

[0041] A kind of imaging method of above-mentioned unmanned aerial vehicle carrying light and small multi-spectral imaging system, c...

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Abstract

The invention discloses a light and small multi-spectral imaging system carried by unmanned aerial vehicles, comprising an image acquisition module for acquiring image information; several parallel spectral image extraction modules for extracting image spectral information in different wavelength bands; The filter module corresponds to the polarization module one-to-one, which is used to extract the polarization spectrum information in the image spectrum information; the filter module is used to generate a filter function, and filter the polarization spectrum information through the filter function; the filter function adjustment module is used to filter the filter function. function to adjust; an image synthesis module for synthesizing images using filtered polarization spectral information. The invention can improve the deficiencies of the prior art, simplify the system structure, and improve the imaging effect.

Description

technical field [0001] The invention relates to the technical field of image acquisition and processing, in particular to an unmanned aerial vehicle-mounted light and small multi-spectral imaging system and an imaging method thereof. Background technique [0002] In recent years, with the development of UAV technology, the method of image acquisition by UAV has rapidly become popular in the market due to its advantages of convenience, quickness and low cost. Due to the advantages of high geometric accuracy, multispectral imaging can effectively restore high-quality images during the large-scale flight shooting process of UAVs. However, in the process of processing spectral information in the existing multispectral imaging technology, independent filters should be set for different bands of spectra, which leads to complex system configuration, and with the change of the noise source in the spectral information, the preset Filters are also sometimes unable to perform effectiv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/28G01J3/447
CPCG01J3/28G01J3/2823G01J3/447G01J2003/284
Inventor 赵云峰王兴会金永涛孙晓敏贾哲刘亮李辰
Owner NORTH CHINA INST OF AEROSPACE ENG
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