廉价的多光谱成像设备

IF 1.3 4区 工程技术 Q4 CHEMISTRY, ANALYTICAL
Fatih Akkoyun
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引用次数: 6

摘要

摘要多/高光谱成像是获取彩色数据和光谱监测的重要技术。这是一种精确的遥感技术,包括可见光谱和不可见光谱中的两个或多个波段。这项研究展示了一种低成本、多光谱成像系统的设计和构建,该系统使用单个线性阵列传感器和耦合到单个光谱带通滤波器的变焦距透镜。该系统允许对七个光谱带的原始光谱数据进行自动数据采集,每个光谱带具有不同的波长。实时可视化原始数据以生成光谱带的图像,从而在计算机图形屏幕上获得所需的光谱信息。光谱响应度在0.3和1.05之间的传感器阵列 μm和带线性引导的电动滤盘用于从特定波长获取数据。成像设备的轴移动通过用于空间监测的线性引导件来实现。七个不同的波段被扫描并通过带有成像设备的电动带通滤波器组传输到计算机。该多光谱成像设备具有高精度,线性相关系数(r2)为0.9936,整个系统的平均噪声低于1%(0.7%)。尽管目前的配置使用包括可见光和窄带滤光片在内的七个光谱带来获得物体的多光谱信息,该系统设计为具有可更换和可选择的电动旋转滤波器,易于重新安装,并可调整多达40个光谱带,20个 nm半峰全宽(FWHM)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Inexpensive multispectral imaging device
Abstract Multi/hyperspectral imaging is an important technique to obtain color data and spectral monitoring. It is a precise remote sensing technique that includes two or more bands in the visible and invisible spectrum. This study demonstrates the design and construction of a low-cost, multispectral imaging system using a single linear array sensor and a varifocal lens coupled to individual spectral band-pass filters. The system allows the automated data acquisition of raw spectral data for seven spectral bands, each with different wavelengths. The raw data are visualized in real-time to generate images of spectral bands to obtain the desired spectral information on the computer graphical screen. Sensor arrays with spectral responsivity between 0.3 and 1.05 μm and motorized filter disks with a linear guide are used for acquiring data from specific wavelengths. Axis movement of the imaging device is achieved by a linear guide for spatial monitoring. Seven different bands are scanned and transferred to the computer via motorized band-pass filter sets with the imaging device. The multispectral imaging device has high accuracy with a 0.9936 linear correlation coefficient (r2) and averaged noise of the total system is below 1% (0.7%). Although the present configuration uses seven spectral bands including visible and narrow bandpass optical filters to obtain multispectral information from an object, the system is designed to have a replaceable and selectable motorized rotating filter, easily remounted, and adjusted up to forty spectral bands with 20 nm full width at half maximum (FWHM).
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来源期刊
Instrumentation Science & Technology
Instrumentation Science & Technology 工程技术-分析化学
CiteScore
3.50
自引率
0.00%
发文量
45
审稿时长
>12 weeks
期刊介绍: Instrumentation Science & Technology is an internationally acclaimed forum for fast publication of critical, peer reviewed manuscripts dealing with innovative instrument design and applications in chemistry, physics biotechnology and environmental science. Particular attention is given to state-of-the-art developments and their rapid communication to the scientific community. Emphasis is on modern instrumental concepts, though not exclusively, including detectors, sensors, data acquisition and processing, instrument control, chromatography, electrochemistry, spectroscopy of all types, electrophoresis, radiometry, relaxation methods, thermal analysis, physical property measurements, surface physics, membrane technology, microcomputer design, chip-based processes, and more. Readership includes everyone who uses instrumental techniques to conduct their research and development. They are chemists (organic, inorganic, physical, analytical, nuclear, quality control) biochemists, biotechnologists, engineers, and physicists in all of the instrumental disciplines mentioned above, in both the laboratory and chemical production environments. The journal is an important resource of instrument design and applications data.
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