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ICIP
1998
IEEE
16 years 8 months ago
Blind Estimation of PSF for Out of Focus Video Data
A method has beenproposed for blindly estimating the Point Spread Function (PSF) of video data. The PSF's of the images in a sequence are assumed to be of compact support and...
Hassan Shekarforoush, Rama Chellappa
ICDE
2005
IEEE
115views Database» more  ICDE 2005»
16 years 8 months ago
Snapshot Queries: Towards Data-Centric Sensor Networks
In this paper we introduce the idea of snapshot queries for energy efficient data acquisition in sensor networks. Network nodes generate models of their surrounding environment th...
Yannis Kotidis
ICDE
2005
IEEE
147views Database» more  ICDE 2005»
16 years 8 months ago
Cost-Driven General Join View Maintenance over Distributed Data Sources
Maintaining materialized views that have join conditions between arbitrary pairs of data sources possibly with cycles is critical for many applications. In this work, we model vie...
Bin Liu, Elke A. Rundensteiner
ISBI
2004
IEEE
16 years 7 months ago
Simultaneous Estimation of Kinetic Parameters and the Input Function from DCE-MRI Data: Theory and Simulation
DCE-MRI is a noninvasive functional imaging technique capable of assessing tumor microvasculature clinically. Major limitations associated with conventional region-of-interest (RO...
Zhu Han, Z. Jane Wang, K. J. Ray Liu, Yue Wang
ISBI
2004
IEEE
16 years 7 months ago
A Fast Fully 4D Incremental Gradient Reconstruction Algorithm for List Mode PET Data
We present a fully four-dimensional, globally convergent, incremental gradient algorithm to estimate the continuous-time tracer density from list mode positron emission tomography...
Quanzheng Li, Evren Asma, Richard M. Leahy