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In stereovision systems, the depth information of objects in the scene can be obtained by estimating the disparity, i.e. the displacement of corresponding pixels in the image pair. In this paper a new FFT-based algorithm for disparity estimation is proposed. The phase difference between the two images is calculated at several frequencies for each pixel. These phase differencies have a linear coherence...
Face detection algorithms have various applications like recognition, expression analysis or video conferencing. Nonetheless, most existing algorithms require additional a-priori knowledge or time-consuming preprocessing steps. In this paper, a model-free feature based approach for face detection and tracking is presented. Possible skin clusters are defined based on one of three different color spaces...
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