Visual tracking: detecting and mapping occlusion and camouflage using process-behaviour charts
Chandesa, Tissa (2013) Visual tracking: detecting and mapping occlusion and camouflage using process-behaviour charts. PhD thesis, University of Nottingham.
Visual tracking aims to identify a target object in each frame of an image sequence. It presents an important scientific problem since the human visual system is capable of tracking moving objects in a wide variety of situations. Artificial visual tracking systems also find practical application in areas such as visual surveillance, robotics, biomedical image analysis, medicine and the media. However, automatic visual tracking algorithms suffer from two common problems: occlusion and camouflage. Occlusion arises when another object, usually with different features, comes between the camera and the target. Camouflage occurs when an object with similar features lies behind the target and makes the target invisible from the camera’s point of view. Either of these disruptive events can cause a tracker to lose its target and fail.
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