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Related Experiment Video

Updated: Jun 12, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

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Published on: August 4, 2018

Compact non-line-of-sight imager at long range.

Jianwei Zeng, Chen Dai, Zhongpei Xiao

|June 11, 2026

Summary

This summary is machine-generated.

This study introduces a novel non-line-of-sight (NLOS) imaging prototype for long-range outdoor use. It achieves fast, high-quality imaging in daylight, overcoming previous limitations.

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Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

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Published on: February 12, 2014

Area of Science:

Optics and Photonics
Computer Vision
Remote Sensing

Background:

Non-line-of-sight (NLOS) imaging enables detection of obscured targets, with prior work limited to short-range indoor applications.
Practical long-range outdoor NLOS imaging faces challenges from photon loss and high background noise, especially in daylight.

Purpose of the Study:

To develop a compact, integrated NLOS imaging prototype for effective outdoor, long-range applications.
To overcome the limitations of existing NLOS imaging technologies in terms of range, speed, and environmental conditions.

Main Methods:

Integration of optimized optical design, adaptive gating, high-transmittance optical devices, and fast control electronics for efficient, low-noise photon collection.
Development of a prototype system capable of capturing and processing photonic data from non-visible target areas.

Main Results:

Demonstration of kilometer-range NLOS imaging under daylight conditions.
Achieved imaging rates of 2 frames per second, representing a four-order-of-magnitude improvement over previous methods.
Successful high-efficiency and low-noise photon collection in a challenging outdoor environment.

Conclusions:

The developed prototype significantly advances the capabilities of outdoor NLOS imaging.
This technology provides a robust foundation for the widespread adoption of NLOS imaging in real-world scenarios.
The system's performance in daylight and at long ranges opens new possibilities for surveillance, search and rescue, and autonomous navigation.