非视线快照和背景映射使用一个活跃的角落摄像头
Sheila Seidel1,2, Hoover Rueda-Chacón1,3, Iris Cusini4
1Electrical and Computer Engineering, Boston University, 8 St. Mary's Street, Boston, MA, 02215, USA.
Nature communications
|June 21, 2023
概括
这项研究引入了一种新的非视线 (NLOS) 成像技术,用于重建隐藏的物体和场景. 它可以准确地绘制移动物体背后的静止景观,增强室内情境意识.
科学领域:
- 光学和光子学 在光学和光子学.
- 计算机视觉 计算机视觉
- 机器人技术 机器人技术 机器人技术
背景情况:
- 现有的非视线 (NLOS) 成像方法通常依赖于耗时的中继表面激光扫描.
- 目前的快照NLOS方法仅限于在隐藏场景中重建一个或两个点目标.
- 这些局限性阻碍了实时应用程序,如搜索和救援以及自主导航.
研究的目的:
- 开发一种先进的NLOS成像技术,准确地重建隐藏的物体和场景.
- 为了使静止的背景景观被移动的前景对象所掩盖的映射.
- 提高室内情境意识,用于机器人和侦察领域的应用.
主要方法:
- 使用一种新的光学响应建模方法,而不需要多个照明位置.
- 开发了一种能够同时重建前景对象和绘制静止背景景观的方法.
- 避免了传统激光扫描的需要,朝着快照成像能力迈进.
主要成果:
- 在隐藏场景中展示了前景对象的准确重建.
- 成功地映射出位于移动物体后面的静止景观.
- 展示了计算,定位和描述隐藏物体大小的潜力.
结论:
- 开发的NLOS成像方法比现有技术有了显著的进步.
- 这项技术有可能大大提高室内情境意识,并使新的应用成为可能.
- 未来的工作可以专注于进一步完善实时性能和更广泛部署的方法.
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