イベントカメラを用いた非同期トラッキング・光通信・3Dモーションキャプチャ
Asynchronous Tracking, Optical Communication and 3D Motion Capture using Event-based Sensors
イベントカメラを受信機としてLEDビーコンの光信号を追跡・復調するATOCシステムを提案し、スマートシティ実証と3Dモーションキャプチャで有効性を示した。
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著者: Ziwei Wang, Angus Apps, Holly Battisson, Iain Guilliard, Timothy Molloy, Robert Mahony
分類: cs.RO, cs.CV
原文アブストラクト
Inter-robot communication is a key enabling technology in cooperative robotics applications. While wireless communication is ubiquitous, simple, and effective, it has inherent limitations: the receiving robot cannot easily localise the source of an incoming signal, clock synchronisation is challenging, and signals are broadcast to all nearby devices rather than targeted recipients. Optical communication provides a complementary channel that is inherently directional and spatially localised, directly addressing these limitations. Event cameras are bio-inspired dynamic vision sensors that respond to changes in image intensity with high temporal resolution, high dynamic range, and low latency, making them well-suited as receivers for high-rate optical communication in cooperative robotic systems. In this paper, we propose the Asynchronous Tracking and Optical Communication (ATOC) system, which integrates LED smart-beacon modulation, event-based detection, optical tracking, and event-data demodulation in a single pipeline. By simultaneously tracking and demodulating multiple LED smart beacons, ATOC transforms a conventional visual marker into a robust communication channel suitable for a wide range of high-impact robotics applications. We validate ATOC in a suite of laboratory studies and two 'applications': a smart-city demonstration and a 3D motion-capture system.
関連論文
- イベントカメラと移動送信機によるリアルタイム光通信光通信/イベントカメラ