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- W1510510494 abstract "In this work, we present an approach to jointly segment a rigid object in a 2D image and estimate its 3D pose, using the knowledge of a 3D model. We naturally couple the two processes together into a unique energy functional that is minimized through a variational approach. Our methodology differs from the standard monocular 3D pose estimation algorithms since it does not rely on local image features. Instead, we use global image statistics to drive the pose estimation process. This confers a satisfying level of robustness to noise and initialization for our algorithm, and bypasses the need to establish correspondences between image and object features. Moreover, our methodology possesses the typical qualities of region-based active contour techniques with shape priors, such as robustness to occlusions or missing information, without the need to evolve an infinite dimensional curve. Another novelty of the proposed contribution is to use a unique 3D model surface of the object, instead of learning a large collection of 2D shapes to accommodate for the diverse aspects that a 3D object can take when imaged by a camera. Experimental results on both synthetic and real images are provided, which highlight the robust performance of the technique on challenging tracking and segmentation applications." @default.
- W1510510494 created "2016-06-24" @default.
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- W1510510494 date "2008-01-01" @default.
- W1510510494 modified "2023-09-23" @default.
- W1510510494 title "Robust 3D Pose Estimation and Efficient 2D Region-Based Segmentation from a 3D Shape Prior" @default.
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- W1510510494 doi "https://doi.org/10.1007/978-3-540-88688-4_13" @default.
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