CASPI:协作光子处理用于主动单光子成像.
Jongho Lee1, Atul Ingle2, Jenu V Chacko3,4
1Department of Computer Sciences, University of Wisconsin-Madison, Madison, WI, USA. jlee567@wisc.edu.
Nature communications
|May 31, 2023
概括
我们开发了CASPI (Collaborative Photon Processing for Active Single-Photon Imaging),这是一个新的管道,可以提高单光子相机的图像质量. 这种技术无关的解决方案可靠地处理稀疏,杂的光子数据,以在具有挑战性的条件下改进成像.
科学领域:
- 光子学和成像技术的技术.
- 计算成像技术的成像
- 计算机视觉 计算机视觉
背景情况:
- 图像传感器的最新进展使得单个光子的捕获成为可能,但原始数据本质上是稀疏和杂的.
- 现有的单光子成像技术在具有挑战性的照明条件下与数据质量作斗争.
- 对于高分辨率的单光子摄像头,存在对强大,多功能,无需培训的处理方法的需求.
研究的目的:
- 引入CASPI (协作光子处理为主动单光子成像),一个新的处理管道.
- 为了证明CASPI在从稀疏和杂的光子数据中提高图像质量的有效性.
- 为了展示CASPI在不同应用和照明条件中的多功能性.
主要方法:
- 开发了CASPI,一种技术无关和应用无关的光子处理管道.
- CASPI利用了在时空光子数据中的局部和非局部相关性的协作利用.
- 该管道设计无需培训,可立即应用于新兴的单光子相机.
主要成果:
- 即使在非常具有挑战性的低光条件下,CASPI也可靠地估计场景属性.
- 在LiDAR成像中成功应用在广泛的光子流量水平 (从亚光子到高环境) 中.
- 在低光子计数的活细胞自光光终身成像显微镜 (FLIM) 中验证的有效性.
结论:
- CASPI显著提高了单光子相机拍摄的图像的可靠性和质量.
- 拟议的管道为各种成像应用提供了多功能解决方案,包括LiDAR和FLIM.
- CASPI被认为是先进相机未来芯片上的光子处理单元的基础组件.
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