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SGE: structured light system based on Gray code with an event camera
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DOI：10.1364/OE.538396.png)
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摘要
En 中文
Fast and accurate depth sensing has long been a significant research challenge. Event camera, as a device that quickly responds to intensity changes, provides a new solution for structured light (SL) systems. In this paper, we introduce Gray code into event-based SL systems for the first time. Our setup includes an event camera and a digital light processing (DLP) projector, enabling depth estimation through high-speed projection and decoding of Gray code patterns. By employing Gray code for point matching in event-based SL system, our method is immune to timestamp noise, realizing high-speed depth estimation without loss of accuracy and spatial resolution. The binary nature of events and Gray code minimizes data redundancy, enabling us to fully utilize sensor bandwidth at 100%. Experimental results show that our approach achieves accuracy comparable to state-of-the-art scanning methods while surpassing them in data acquisition speed (up to 41 times improvement) without sacrificing accuracy and spatial resolution. Our proposed approach offers a highly promising solution for ultra-fast, real-time, and high-precision dense depth estimation.
Keyword:
3D SHAPE MEASUREMENT
FRINGE PATTERN-ANALYSIS
FOURIER-TRANSFORM
COMBINING EVENTS
DEPTH
CALIBRATION
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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