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CVPR
2010
IEEE
14 years 3 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
DATE
2002
IEEE
128views Hardware» more  DATE 2002»
14 years 21 days ago
Arbitrary Convex and Concave Rectilinear Module Packing Using TCG
In this paper, we deal with arbitrary convex and concave rectilinear module packing using the Transitive Closure Graph (TCG) representation. The geometric meanings of modules are ...
Jai-Ming Lin, Hsin-Lung Chen, Yao-Wen Chang
MICCAI
1999
Springer
13 years 12 months ago
A New Approach to 3D Sulcal Ribbon Finding from MR Images
Abstract. Sulcal medial surfaces are 3D thin convoluted ribbons embedded in cortical sulci, and they provide distinctive anatomical features of the brain. Here we propose a new app...
Xiaolan Zeng, Lawrence H. Staib, Robert T. Schultz...
CGF
2007
126views more  CGF 2007»
13 years 7 months ago
A Lagrangian Approach to Dynamic Interfaces through Kinetic Triangulation of the Ambient Space
In this paper, we propose a robust and efficient Lagrangian approach for modeling dynamic interfaces between different materials undergoing large deformations and topology change...
Jean-Philippe Pons, Jean-Daniel Boissonnat
JMIV
2008
106views more  JMIV 2008»
13 years 7 months ago
Estimation of Vector Fields in Unconstrained and Inequality Constrained Variational Problems for Segmentation and Registration
Vector fields arise in many problems of computer vision, particularly in non-rigid registration. In this paper, we develop coupled partial differential equations (PDEs) to estimat...
Gozde B. Unal, Greg G. Slabaugh