Abstract
In this paper, we propose the method that automatically extracts the silhouette and the joints of consecutive input image, and track joints to trace object for interaction between human and computer. Also the proposed method presents the action of human being to map human body using joints. To implement the algorithm, we model human body using 14 joints to refer to body size. The proposed method converts RGB color image acquired through a single camera to hue, saturation, value images and extracts body`s silhouette using the difference between the background and input. Then we automatically extracts joints using the corner points of the extracted silhouette and the data of body`s model. The motion of object is tracted by applying block-matching method to areas around joints among all image and the human`s motion is mapped using positions of joints. The proposed method is applied to the test videos and the result shows that the proposed method automatically extracts joints and effectively maps human body by the detected joints. Also the human`s action is aptly expressed to reflect locations of the joints
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