International. Researchers at the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) have successfully developed a prototype of the hyperspectral camera.
The prototype, based on pixel-level splitting technology, was completed in April, according to CIOMP research associate Dr. HU Haihong, who delivered a speech on "Pixel-level Adjustable Hyperspectral Video Smart Imaging Technology" at Light Conference 2019.
The camera can be used in natural disaster reduction, territorial resources, precision agriculture/forestry, food and drug inspection, industrial detection (product defect) and antique authentication.
According to Dr. HU Haihong, project leader, the prototype is a fixed hyperspectral camera that is lightweight, small in size, has a simple structure that is highly stable, and does not need any additional data calculation. This camera can achieve high frame rate still images and obtain hyperspectral images that have spectrum band data in single exposure. In addition, the camera has a high spatial resolution, high time resolution and a high noise signal to the noise ration hyperspectral video image.
The prototype was used to successfully identify clothing and camouflage plants, as well as European and American products from leading manufacturers in the field.
Hyperspectral video cameras based on pixel-level spectroscopic technology were only available at some foreign companies such as IMEC and Silios in Europe, and Pixelteq in the United States. The CIOMP prototype is the first domestic product in China.
Traditionally, China's hyperspectral imaging technology was based on spectroscopic, interference or linear prism/grid gradient filters and other spectroscopic systems, which use push broom or broom mode, making hyperspectral video level imaging impossible.
CimOP's HAN Chengshan project team and WANG Xiaoyi project team, who developed the prototype camera, have overcome many difficulties and solved various technical problems, such as high-spectrum pixel-level spectroscopy, pixel-level optics, integration, high-frequency and high-speed electronic design, and spectral data reversal recovery.
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