Event Camera Based Real-Time Detection and Tracking of Indoor Ground Robots

• URL: http://arxiv.org/abs/2102.11916v1
• Date: Tue, 23 Feb 2021 19:50:17 GMT
• Title: Event Camera Based Real-Time Detection and Tracking of Indoor Ground Robots
• Authors: Himanshu Patel, Craig Iaboni, Deepan Lobo, Ji-won Choi, Pramod Abichandani
• Abstract summary: This paper presents a real-time method to detect and track multiple mobile ground robots using event cameras. The method uses density-based spatial clustering of applications with noise (DBSCAN) to detect the robots and a single k-dimensional (k-d) tree to accurately keep track of them as they move in an indoor arena.
• Score: 2.471139321417215
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: This paper presents a real-time method to detect and track multiple mobile ground robots using event cameras. The method uses density-based spatial clustering of applications with noise (DBSCAN) to detect the robots and a single k-dimensional (k-d) tree to accurately keep track of them as they move in an indoor arena. Robust detections and tracks are maintained in the face of event camera noise and lack of events (due to robots moving slowly or stopping). An off-the-shelf RGB camera-based tracking system was used to provide ground truth. Experiments including up to 4 robots are performed to study the effect of i) varying DBSCAN parameters, ii) the event accumulation time, iii) the number of robots in the arena, and iv) the speed of the robots on the detection and tracking performance. The experimental results showed 100% detection and tracking fidelity in the face of event camera noise and robots stopping for tests involving up to 3 robots (and upwards of 93% for 4 robots).

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