The single-pixel photon imaging teaching instrument integrates compressed sensing theory with photon counting imaging technology, utilizing a digital micromirror device (DMD) to achieve random spatial light modulation of the target, enabling efficient image acquisition even under extremely low-light conditions. This system fully leverages the signal sparsity characteristics of compressed sensing, breaking through the limitations of the traditional Shannon sampling theorem to achieve high-resolution, high signal-to-noise ratio imaging with fewer measurements, demonstrating the core advantages of next-generation computational imaging technology.
The teaching instrument features a modular hardware structure, allowing students to independently assemble, debug, and conduct experiments, enabling learners to intuitively understand the principles of spatial light modulation, the compressed sensing imaging process, and photon counting noise processing methods. Through hands-on experiments, students can deeply grasp the theoretical foundations and application logic of advanced imaging technology.
The system is also equipped with comprehensive teaching materials and experimental plans, making it widely applicable in university courses such as modern physics experiments, communication engineering, computational mathematics, and optical engineering. It provides robust support for scientific research and teaching, promoting interdisciplinary integration and the cultivation of innovative talents.
Single-Pixel Photon Imaging Teaching Device
Demonstrating Light Field Spatial Modulation and Photon Counting Detection
Illustrating Compressed Sensing Theory and Single-Pixel Imaging Mechanisms
Conducting Experiments on Modulation Matrix and Reconstruction Algorithm Performance
Supporting Teaching in Algorithm Programming, Image Reconstruction, and Noise Analysis
The single-pixel photon imaging teaching instrument is a teaching-oriented imaging system based on the compressed sensing imaging principle. This system utilizes a Digital Micromirror Device (DMD) as the core spatial light modulation component, compressing high-dimensional light field information into single-pixel detection signals through random or specific spatial modulation of the incident light field. Combined with the compressed sensing reconstruction algorithm, it can reconstruct high-resolution images with fewer measurements, thereby overcoming the limitations of traditional imaging on multi-pixel detector arrays and the Shannon sampling theorem. The teaching instrument is compact in structure and fully functional, capable of demonstrating advanced computational imaging principles while facilitating student experiments with algorithms and system debugging, offering significant teaching and research value.