Tabletop X-ray ghost video of moving objects
Hui Zeng, Ming-Fei Li, Zhi-Yue Yu, Bing-Zhan Shi, Xiao-Jing Wu, Jie Feng, Jin-Guang Wang, Yi-Fei Li, Ling-An Wu, Jian-Hong Shi, Li-Ming Chen

TL;DR
This paper introduces a rapid X-ray ghost imaging method using a spinning mask and binary patterns, achieving up to 200 fps for moving objects, significantly advancing real-time X-ray imaging capabilities.
Contribution
The authors develop a fast spatial modulation scheme with a spinning mask, greatly increasing X-ray ghost imaging speed for dynamic objects.
Findings
Achieved imaging rates up to 200 frames per second.
Demonstrated clear visualization of moving objects with 225 um resolution.
Enabled potential applications in inspecting rotating machinery and medical imaging.
Abstract
X-ray imaging is widely employed in clinical medicine, industrial inspection, and various scientific research fields. Unfortunately, most currently used X-ray two-dimensional (2D) detectors suffer from a fundamental trade-off between the number of pixels and readout time, making them unsuitable for fast moving objects imaging, as well as the readout dead time causes frame losses. X-ray ghost imaging (XGI) offers an alternative approach to image an object using only a highly sensitive single-pixel detector. However, a critical limitation of existing XGI methods is the excessive total acquisition time required, rendering it impractical for real applications. In this paper, we propose a rapid spatial modulation scheme based on random binary patterns encoded onto a fast-spinning mask. Clear X-ray visualization of moving objects is demonstrated with imaging rates up to 200 frames per second…
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Taxonomy
TopicsRandom lasers and scattering media · Advanced Optical Imaging Technologies · Surface Roughness and Optical Measurements
