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ISBI
2004
IEEE
12 years 10 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
ISBI
2004
IEEE
12 years 10 months ago
Analysis of Serial MR Images of Joints
Kelvin Leung, Derek L. G. Hill, Rolf A. Heckemann,...
ISBI
2004
IEEE
12 years 10 months ago
Brain Warping with Implicit Representations
In this paper, a new framework for brain warping via landmark matching is proposed using implicit representations or the level set method. We demonstrate this powerful technique b...
Alexia Leow, Paul M. Thompson, Hillary Protas, Sun...
ISBI
2004
IEEE
12 years 10 months ago
Optimal Variable-Density k-Space Sampling in MRI
Magnetic resonance imaging (MRI) is often times limited by scan time. To reduce scan time, there have been various efforts to reduce the number of sampling points. In most cases, ...
Jin Hyung Lee, Dwight G. Nishimura, Brad Osgood
ISBI
2004
IEEE
12 years 10 months ago
A Closed-Form Method for Improving Inter-Subject Coherence in Diffusion Tensor Magnetic Resonance Imaging
A simple method is presented to reduce within-group inter-subject scatter in diffusion tensor magnetic resonance imaging (DT-MRI). By "borrowing strength" across co-regi...
Nicholas Lange, Derek Jones, Carlo Pierpaoli
ISBI
2004
IEEE
12 years 10 months ago
Dynamic Range of Harmonic Phase Magnetic Resonance Imaging (HARP-MRI)
Harmonic phase (HARP) magnetic resonance imaging (MRI) is an image analysis method for measuring tissue motion and strain from tagged MR images. Previous studies in cardiac tagged...
Vijay Parthasarathy, Jerry L. Prince, Moriel NessA...
ISBI
2004
IEEE
12 years 10 months ago
Variational Methods and Partial Differential Equations in Cardiac Image Analysis
Cardio-vascular diseases is a major cause of deaths worldwide. Early diagnosis is quite often associated with more efficient treatment leading to a significant decrease of the mor...
Nikos Paragios
ISBI
2004
IEEE
12 years 10 months ago
Fusion of Brushlet and Wavelet Denoising Methods for Nuclear Images
This paper presents preliminary results on the fusion of denoised PET and SPECT data volumes from brushlet and wavelet thresholding methods. Texture-based brushlet denoising is we...
Andrew Laine, Elsa D. Angelini, Yinpeng Jin, Peter...
ISBI
2004
IEEE
12 years 10 months ago
Statistical Surface-Based Morphometry Using a Non-Parametric Approach
We present a novel method of statistical surface-based morphometry based on the use of non-parametric permutation tests. In order to evaluate morphologicaldifferences of brain str...
Dimitrios Pantazis, Richard M. Leahy, Thomas E. Ni...
ISBI
2004
IEEE
12 years 10 months ago
Image-Quality Assessment in Optical Tomography
Modern medical imaging systems often rely on complicated hardware and sophisticated algorithms to produce useful digital images. It is essential that the imaging hardware and any ...
Matthew A. Kupinski, Eric Clarkson
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