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SIGMOD
1999
ACM
181views Database» more  SIGMOD 1999»
14 years 23 days ago
Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
Jeffrey Scott Vitter, Min Wang
ICCV
2003
IEEE
14 years 10 months ago
Fast Intensity-based 2D-3D Image Registration of Clinical Data Using Light Fields
Registration of a preoperative CT (3D) image to one or more X-ray projection (2D) images, a special case of the pose estimation problem, has been attempted in a variety of ways wi...
Daniel B. Russakoff, Torsten Rohlfing, Calvin R. M...
DCC
2000
IEEE
14 years 26 days ago
Channel Decoding Using Inter- and Intra-Correlation of Source Encoded Frames
The goal of source controlled channel decoding is to improve the performance of the channel decoder by using the residual redundancy of the source encoded data. The original appro...
Christophe Veaux, Pascal Scalart, André Gil...
CVPR
2008
IEEE
14 years 10 months ago
Optical flow estimation using Fourier Mellin Transform
In this paper, we propose a novel method of computing the optical flow using the Fourier Mellin Transform (FMT). Each image in a sequence is divided into a regular grid of patches...
Huy Tho Ho, Roland Göcke
VISSYM
2007
13 years 11 months ago
Parametric Visualization of High Resolution Correlated Multi-spectral Features Using PCA
An imaging mass spectrometer is an analytical instrument that can determine the spatial distribution of chemical compounds on complex surfaces. The output of the device is a multi...
Alexander Broersen, Robert van Liere, Ron M. A. He...