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- W341521680 abstract "The analysis of videos from aerial platforms remains a challenging and important problem. The most fundamental task in this regard is to be able to detect and track objects reliably from a moving platform. In this paper, we address the problem of multi-target detection and tracking in unconstrained aerial videos. Generally, aerial videos are very unstable due to air turbulence and targets of interest have few discriminating features, which impose strong challenges in tracking objects such as humans and vehicles. In our proposed approach, we stabilize an unstable aerial video using homography transformation. We estimate the homography between two frames of an unstable video by utilizing the geometric constraint of the ground plane. In order to detect targets in a stabilized video frame, we detect motion regions and then identify targets of interest around the motion regions using appearance based pre-trained classifiers. We devise a finite state machine (FSM) that incorporates both motion detection and target classification into a Kalman filter (KF) based tracking-by-detection framework for robustly tracking humans and vehicles across the aerial video frames. Finally, we associate the tracklets by using overlap and appearance based bipartite graph matching and homography projection of the tracklets. We conduct extensive experiments on challenging aerial video datasets, which prove the robustness of our approach compared to other state-of-the-art tracking approaches." @default.
- W341521680 created "2016-06-24" @default.
- W341521680 creator A5063715282 @default.
- W341521680 date "2013-08-01" @default.
- W341521680 modified "2023-09-26" @default.
- W341521680 title "Integrating Geometric, Motion and Appearance Constraints for Robust Tracking in Aerial Videos" @default.
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