Searching for authors named "Nikolaos Papanikolopoulos" – sorted by Relevance.
66 documents found, showing 1 through 10.
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Combining multiple tracking modalities for vehicle tracking in traffic intersections
- …This paper presents a camera-based system for tracking vehicles in outdoor scenes such as traffic intersections. Two different tracking systems, namely, a blob tracker and a Mean Shift tracker provide the position of each target. These results are then fused sequentially using an Extended Kalman fil…
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Switching Kalman Filter-Based Approach for Tracking and Event Detection at Traffic Intersections
- …Automatic event detection from video sequences has applications in several areas such as automatic visual surveillance, traffic monitoring for Intelligent Transportation Systems, key frame detection for video compression, and virtual reality applications. In this work, we present a computer vision-b…
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Computation of Shape Through Controlled Active Exploration
- …Accurate knowledge of depth continues to be of critical importance in robotic systems. Without accurate depth knowledge, tasks such as inspection, tracking, grasping, and collision-free motion planning prove to be difficult and often unattainable. Traditional visual depth recovery has relied upon te…
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Vision-based human tracking and activity recognition
- …Abstract-- The protection of critical transportation assets and infrastructure is an important topic these days. Transportation assets such as bridges, overpasses, dams and tunnels are vulnerable to attacks. In addition, facilities such as chemical storage, office complexes and laboratories can beco…
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A Curve Segmentation Algorithm That Automates Deformable-Model Based Target Tracking
- …A novel curve segmentation algorithm for determining control points for deformable-model-based target tracking is proposed. The algorithm is parameterless enabling a full- edged automated tracking regardless of the shape of the object being tracked. Compared with other curve segmentation algorithms,…
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A control system for teams of off-the-shelf scouts and megascouts
- …Abstract-- Two new robotic platforms, the MegaScout and the…
- Cited by 1 (0 self) – Add To MetaCart
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Dual-camera system for multi-level activity recognition
- …Abstract—This paper describes a dual-camera system intended to accomplish the task of vision-based activity recognition at multiple resolutions. The system is comprised of a wide-angle, fixed field of view camera coupled with a computer-controlled pan/tilt/zoom-lens camera to make detailed measureme…
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Vision-based Monitoring of Intersections
- …The goal of this project is to develop a passive vision-based sensing system. The system will be capable of monitoring an intersection by observing the vehicle and pedestrian flow, and predicting situations that might give rise to accidents. A single camera looking at an intersection from an arbitra…
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Computer vision algorithms for intersection monitoring
- …Abstract — The goal of this project is to monitor activities at traffic intersections for detecting/predicting situations that may lead to accidents. Some of the key elements for robust intersection monitoring are camera calibration, motion tracking, incident detection, etc. In this paper, we consid…
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