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In this paper, we describe a prior-based vanishing point estimation method through global perspective structure matching (GPSM). In contrast to the traditional approaches which require an undistorted image with straight roads for vanishing point estimation, our method first infers vanishing point candidates of an input image from an image database with pre-labeled vanishing points. An image-based...
In this paper, we present a new approach for recovering spacetime-consistent depth maps from multiple video sequences captured by stationary, synchronized and calibrated cameras for depth based free viewpoint video rendering. Our two-pass approach is generalized from the recently proposed region-tree based binocular stereo matching method. In each pass, to enforce temporal consistency between successive...
3D model is used for vision based vehicle location. An improved Hausdorff distance based on edge-strength is proposed to evaluate the similarity between 3D model projection and image feature, and to establish location optimization function In order to avoid local minimum during optimization, estimation of distribution algorithm concerning related multi-variables is used. The relationship between matching...
This paper proposes a VLSI architecture for VGA 30 fps video segmentation with affine motion model estimation. The adopted algorithm is formulated as a contextual statistical labeling problem exploiting multiscale Markov random field (MRF) models. The algorithm optimization for VLSI implementation is characterized by image division method, ICM labeling limited to region boundary, and omission of motion...
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