Abstract: | This thesis investigates the problem of car detection in images. The roundabout situation in particular was chosen for the presence of cars at multiple orientations and because it has been neglected in the literature. An already developed WaldBoost detector is tested against a proposed randomized forest detector on a novel data set created on roundabouts. The performed tests compare several versions of the randomized forest detector and the WaldBoost detector in terms of performance and speed. To speed up the scanning window process of the proposed detector, a new method of window pruning based on a line segment detector is presented.
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