Abstract
This paper proposed a method in which location of a person is estimation with one active camera in real-time. The approach taken in this paper is as follows. First, we detect the person region with proposed method which is the region detection method based on short time distribution of the density to avoid the influence of the camera movement. Then we obtain his height and the gravity point. The rotate angle and the distance between the person and the camera are calculated by the information of the height and the gravity point. Experiments were applied with several examples. We obtained that the average error distance is less than 12[cm]. The average error distance is small enough in comparison with shoulder width of the persons. Our method can estimate the location in real-time.
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