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» Property-Preserving Data Reconstruction
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TSP
2010
14 years 11 months ago
Recovering signals from lowpass data
The problem of recovering a signal from its low frequency components occurs often in practical applications due to the lowpass behavior of many physical systems. Here we study in d...
Yonina C. Eldar, Volker Pohl
TMI
2008
142views more  TMI 2008»
15 years 4 months ago
Wavelet Based Noise Reduction in CT-Images Using Correlation Analysis
Abstract-- The projection data measured in computed tomography (CT) and, consequently, the slices reconstructed from these data are noisy. We present a new wavelet based structurep...
Anja Borsdorf, Rainer Raupach, Thomas Flohr, Joach...
ISBI
2004
IEEE
16 years 4 months ago
Alternating Minimization Algorithm for Dual Energy X-ray CT
We present a method for obtaining quantitative images from dual energy X-ray CT measurements. We adopt a statistical model for the data and reconstruct images by maximizing the lo...
Joseph A. O'Sullivan, Jasenka Benac, Jeffrey F. Wi...
MICCAI
2009
Springer
16 years 5 months ago
Topological Correction of Brain Surface Meshes Using Spherical Harmonics
A brain surface reconstruction allows advanced analysis of structural and functional brain data that is not possible using volumetric data alone. However, the generation of a brain...
Rachel Aine Yotter, Robert Dahnke, Christian Gas...
KDD
2005
ACM
124views Data Mining» more  KDD 2005»
16 years 4 months ago
Scalable discovery of hidden emails from large folders
The popularity of email has triggered researchers to look for ways to help users better organize the enormous amount of information stored in their email folders. One challenge th...
Giuseppe Carenini, Raymond T. Ng, Xiaodong Zhou