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Computer Vision, IEEE International Conference on (2005)
Beijing, China
Oct. 17, 2005 to Oct. 20, 2005
ISSN: 1550-5499
ISBN: 0-7695-2334-X
pp: 1417-1423
Greg Mori , Simon Fraser University
In this paper we show how a segmentation as preprocessing paradigm can be used to improve the efficiency and accuracy of model search in an image. We operationalize this idea using an over-segmentation of an image into superpixels. The problem domain we explore is human body pose estimation from still images. The superpixels prove useful in two ways. First, we restrict the joint positions in our human body model to lie at centers of superpixels, which reduces the size of the model search space. In addition, accurate support masks for computing features on half-limbs of the body model are obtained by using agglomerations of superpixels as half-limb segments. We present results on a challenging dataset of people in sports news images.
Greg Mori, "Guiding Model Search Using Segmentation", Computer Vision, IEEE International Conference on, vol. 02, no. , pp. 1417-1423, 2005, doi:10.1109/ICCV.2005.112
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