Spectral imaging technology is a information acquisition method that can obtain three-dimensional information of the object, which is widely used in remote sensing, material classification and other fields. Spectral imaging micro-system is a compact, low-cost spectral imaging system based on structure of single-chip integration. It is suitable for utilizing on unmanned airborne and has a good prospect in the field of geological exploration and mineral classification. Coal gangue is a kind of gray rock associated with coal, which is also a kind of solid waste in mining industry. Due to demand of environmental monitoring and effective mining, it is urgent to effectively monitor the distribution of coal in minerals. This study carries out the experiment on classification of coal and coal gangue samples with the spectral imaging micro-system of visible-near-infrared spectrum. And experimental results show that 80% of the pixels in the sample can be accurately classified.
Spectral imaging technology is a non-contact detection technology that combines spectrum technology and imaging technology. It can be obtained more information than traditional RGB imaging. The algae outbreak is one of the more serious environmental problems in Yuqiao Reservoir and the algae seriously affects the daily water safety of people and destroys the ecosystem of the reservoir. In this paper, the UAV spectral imaging system based on FP cavity spectral imaging chip is used to monitor the reservoir area. Through the spectral data processing, the distribution of algae in the reservoir area was obtained.
Meat freshness degree is an important parameter while evaluating the quality and the price of the meat. Traditional method needs too long time to evaluate the meat on line in the meat slaughterhouse. To improve this situation, a system with potentiality of integrating miniaturized spectral camera is developed and tested in the practical situation. The results show that the system does not only improve the efficiency of meat grade evaluation procedure but also improve the accuracy compared with the method applied now.
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