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TMI
2008
116views more  TMI 2008»
15 years 1 months ago
Dynamic PET Reconstruction Using Wavelet Regularization With Adapted Basis Functions
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an 1-regularizatio...
J. Verhaeghe, Dimitri Van De Ville, I. Khalidov, Y...
TMI
2008
140views more  TMI 2008»
15 years 1 months ago
Hamilton-Jacobi Skeleton on Cortical Surfaces
Abstract-- In this paper, we propose a new method to construct graphical representations of cortical folding patterns by computing skeletons on triangulated cortical surfaces. In o...
Yonggang Shi, Paul M. Thompson, Ivo D. Dinov, Arth...
TOG
2008
139views more  TOG 2008»
15 years 1 months ago
Logarithmic perspective shadow maps
We present a novel shadow map parameterization to reduce perspective aliasing artifacts for both point and directional light sources. We derive the aliasing error equations for bo...
Brandon Lloyd, Naga K. Govindaraju, Cory Quammen, ...
CG
2005
Springer
15 years 1 months ago
Realistic synthesis of cao shu of Chinese calligraphy
In Chinese calligraphy cao shu is regarded as a kind of free form art which differs from other styles greatly in its less constrained strokes and brush textures. In this paper we ...
Jinhui Yu, Qunsheng Peng
TPLP
2008
89views more  TPLP 2008»
15 years 1 months ago
Theory of finite or infinite trees revisited
We present in this paper a first-order axiomatization of an extended theory T of finite or infinite trees, built on a signature containing an infinite set of function symbols and ...
Khalil Djelloul, Thi-Bich-Hanh Dao, Thom W. Fr&uum...
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