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CVPR
2010
IEEE
14 years 6 months ago
On Growth and Formlets: Sparse Multi-Scale Coding of Planar Shape
This paper presents a sparse representation of 2D planar shape through the composition of warping functions, termed formlets, localized in scale and space. Each formlet subjects t...
Timothy Oleskiw, James Elder, Gabriel Peyr
3DPVT
2006
IEEE
202views Visualization» more  3DPVT 2006»
14 years 4 months ago
Visual Shapes of Silhouette Sets
Shape from silhouette methods are extensively used to model dynamic and non-rigid objects using binary foreground-background images. Since the problem of reconstructing shapes fro...
Jean-Sébastien Franco, Marc Lapierre, Edmon...
SMA
2005
ACM
191views Solid Modeling» more  SMA 2005»
14 years 3 months ago
Poisson shape interpolation
In this paper, we propose a novel shape interpolation approach based on Poisson equation. We formulate the trajectory problem of shape interpolation as solving Poisson equations d...
Dong Xu, Hongxin Zhang, Qing Wang, Hujun Bao
CVPR
2008
IEEE
15 years 6 hour ago
Sparsity, redundancy and optimal image support towards knowledge-based segmentation
In this paper, we propose a novel approach to model shape variations. It encodes sparsity, exploits geometric redundancy, and accounts for the different degrees of local variation...
Salma Essafi, Georg Langs, Nikos Paragios
ICCV
1998
IEEE
14 years 12 months ago
A Real-Time Algorithm for Medical Shape Recovery
In this paper, we present a shape recovery technique in 2 0 and 3 0 with specific applications in visualizing and measuring anatomical shapes from medical images. This algorithm m...
Ravi Malladi, James A. Sethian