Tobacco impurity classification method based on hyperspectral imaging technology
A technology of hyperspectral imaging and non-smoking substances, which is applied in the field of classification of tobacco non-smoking substances, can solve the problems of inability to analyze and identify, and achieve the effect of low cost, high efficiency and easy operation
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[0041] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0042] Experimental equipment and parameters
[0043] The SWIR hyperspectral imager produced by GaiaSorter-N25E of Sichuan Shuangli Hepu Technology Co., Ltd. has a wavelength range of 1000-2500nm, a spectral resolution of 12nm, an image resolution of 384*288 pixels, and a spectrometer frame number of 400. The exposure time is 20ms; the experimental platform uses a GaiaSorter-Dual dark box system, which includes a tungsten-halogen light source, an electronic control platform, etc. In order to avoid the influence of external stray light sources, the hyperspectral image acquisition process is carried out in a dark box system.
[0044] Step 1: Collection of samples
[0045] In order to make the established spectral database more widely applicable, this example selected the first and second types of sundries such as the fla...
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