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Title : Event-Based Structured Light 3D Imaging
link : Event-Based Structured Light 3D Imaging

Event-Based Structured Light 3D Imaging

ETH Zurich publishes "ESL: Event-based Structured Light" project page by M. Muglikar, G. Gallego, and D. Scaramuzza.

"We propose a novel structured-light system using an event camera to tackle the problem of accurate and high-speed depth sensing. Our setup consists of an event camera and a laser-point projector that uniformly illuminates the scene in a raster scanning pattern during 16 ms. Previous methods match events independently of each other, and so they deliver noisy depth estimates at high scanning speeds in the presence of signal latency and jitter. In contrast, we optimize an energy function designed to exploit event correlations, called spatio-temporal consistency. The resulting method is robust to event jitter and therefore performs better at higher scanning speeds. Experiments demonstrate that our method can deal with high-speed motion and outperform state-of-the-art 3D reconstruction methods based on event cameras, reducing the RMSE by 83% on average, for the same acquisition time."

A Youtube video presentation describes the ETH approach:

Thus Article Event-Based Structured Light 3D Imaging

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