Searching for authors named "Gregory Randall" – sorted by Relevance.

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2 documents found, showing 1 through 2.

Stratification learning: Detecting mixed density and dimensionality in high dimensional point clouds
by Gregory Randall, Gloria Haro, Gloria Haro, Gregory R, Guillermo Sapiro, Guillermo Sapiro — 2006 — In Advances in NIPS 19
…The study of point cloud data sampled from a stratification, a collection of manifolds with possible different dimensions, is pursued in this paper. We present a technique for simultaneously soft clustering and estimating the mixed dimensionality and density of such structures. The framework is base…
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Automatic Object Detection Using Shape Information In Ultrasound
by Images Pablo Cancela, Pablo Cancela, Fernando Reyes, Pablo Rodríguez, Gregory Randall, Alicia Fernández
…A method is presented for segmentation of anatomical structures that incorporates prior information about shape. The method iteratively applies steps which find object's border considering its properties independently from shape. The boundary is regularized taking in account the shape being extract…
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