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» Sampling and Reconstruction of Operators
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MICCAI
2007
Springer
14 years 8 months ago
Improving Temporal Fidelity in k-t  BLAST MRI Reconstruction
Studies of myocardial motion using magnetic resonance imaging usually require multiple breath holds and several methods have been proposed in order to reduce the scan time. Rapid i...
Andreas Sigfridsson, Mats T. Andersson, Lars Wigst...
CVPR
2008
IEEE
14 years 9 months ago
Robust null space representation and sampling for view-invariant motion trajectory analysis
In this paper, we propose a novel robust retrieval and classification system for video and motion events based on null space representation. In order to analyze the robustness of ...
Xu Chen, Dan Schonfeld, Ashfaq A. Khokhar
TCS
2008
13 years 7 months ago
Reconstruction of convex lattice sets from tomographic projections in quartic time
Filling operations are procedures which are used in Discrete Tomography for the reconstruction of lattice sets having some convexity constraints. Many algorithms have been publish...
Sara Brunetti, Alain Daurat
ICS
2009
Tsinghua U.
14 years 10 days ago
Single-particle 3d reconstruction from cryo-electron microscopy images on GPU
Single-particle 3D reconstruction from cryo-electron microscopy (cryo-EM) images is a kernel application of biological molecules analysis, as the computational requirement of whic...
Guangming Tan, Ziyu Guo, Mingyu Chen, Dan Meng
ALT
2002
Springer
14 years 4 months ago
On the Eigenspectrum of the Gram Matrix and Its Relationship to the Operator Eigenspectrum
Abstract. In this paper we analyze the relationships between the eigenvalues of the m × m Gram matrix K for a kernel k(·, ·) corresponding to a sample x1, . . . , xm drawn from ...
John Shawe-Taylor, Christopher K. I. Williams, Nel...