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Computational Spectral Imaging System: STA-CSI
Computational spectral imaging simultaneously acquires the two-dimensional spatial and one-dimensional spectral information of a target, forming a complete three-dimensional data cube. The presented snapshot spectral imaging (SPSI) system achieves data compression without compromising spatial or spectral resolution. Moreover, the system's computational pipeline allows for narrowing the effective spectral bandwidth, and the trade-off between this narrowed bandwidth and the achievable spatial resolution has been thoroughly analyzed.
Computational Spectral Imaging Experimental Setup
Features
- The system is simple and easy to operate.
- Real-time display of result data
- User-friendly, efficient, and convenient software interface
Application
- Agricultural Testing
- Food safety
- Medical diagnosis
- Cultural heritage preservation
Experiment Example
In the SPSI measurement system, light reflected from the object is modulated by a Digital Micromirror Device (DMD), passed through the entrance slit of a spectrometer, and then measured by a spectral imaging device—finally detected by a linear-array CCD detector.
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SPSI Schematic diagram of the measurement system | Samples and their corresponding wavelength-intensity distributions |
Changchun New Industries Optoelectronics Technology Co., Ltd.
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