Sciweavers

ISBI
2009
IEEE
13 years 11 months ago
A Physical Basis for Multi-Fiber Reconstruction from DW-MRI Data
Recently various mathematical models have been proposed to model the signal attenuation obtained from Diffusion Weighted Magnetic Resonance Imaging (DW-MRI). Though effective to v...
Ritwik Kumar, Angelos Barmpoutis, Baba C. Vemuri, ...
ISBI
2009
IEEE
13 years 11 months ago
A Shape-Navigated Image Deformation Model for 4D Lung Respiratory Motion Estimation
Intensity modulated radiation therapy (IMRT) for cancers in the lung remains challenging due to the complicated respiratory dynamics. We propose a shape-navigated dense image defo...
Xiaoxiao Liu, Rohit R. Saboo, Stephen M. Pizer, Gi...
ISBI
2009
IEEE
13 years 11 months ago
A Non-Parametric Approach to Automatic Change Detection in MRI Images of the Brain
We present a novel approach to change detection between two brain MRI scans (reference and target.) The proposed method uses a single modality to find subtle changes; and does no...
Hae Jong Seo, Peyman Milanfar
ISBI
2009
IEEE
13 years 11 months ago
Combining Mesh, Volume, and Streamline Representations for Polyp Detection in CT Colonography
CT colonography is a screening technique for adenomatous colorectal polyps, which are important precursors to colon cancer. Computer aided detection (CAD) systems are developed to...
Vincent Frans van Ravesteijn, Lingxiao Zhao, Charl...
ISBI
2009
IEEE
13 years 11 months ago
Steerable Filters for Orientation Estimation and Localization of Fluorescent Dipoles
Fluorescence localization microscopy (i.e., PALM, STORM) has enabled optical imaging at nanometer-scale resolutions. The localization algorithms used in these techniques rely on ...
François Aguet, Stefan Geissbühler, Iw...
ISBI
2009
IEEE
13 years 11 months ago
Concept Detection in Longitudinal Brain MR Images Using Multi-Modal Cues
Advances in medical imaging techniques and devices has resulted in increased use of imaging in monitoring disease progression in patients. However, extracting decision-enabling in...
Jesus Caban, Noah Lee, Shahram Ebadollahi, Andrew ...
ISBI
2009
IEEE
13 years 11 months ago
Fast Algorithms for Nonconvex Compressive Sensing: MRI Reconstruction from Very Few Data
Compressive sensing is the reconstruction of sparse images or signals from very few samples, by means of solving a tractable optimization problem. In the context of MRI, this can ...
Rick Chartrand
ISBI
2009
IEEE
13 years 11 months ago
Instance-Based Generative Biological Shape Modeling
Biological shape modeling is an essential task that is required for systems biology efforts to simulate complex cell behaviors. Statistical learning methods have been used to buil...
Tao Peng, Wei Wang, Gustavo K. Rohde, Robert F. Mu...
ISBI
2009
IEEE
13 years 11 months ago
Improved Semi-Automated Segmentation of Cardiac CT and MR Images
This paper presents a semi-automated segmentation method for short-axis cardiac CT and MR images. The main contributions of this work are: 1) using two different energy functional...
Chao Li, Xiao Jia, Ying Sun
ISBI
2009
IEEE
13 years 11 months ago
Design and Study of Flux-Based Features for 3D Vascular Tracking
In this paper, we present and study two local features for the tracking of vascular structures on 3D angiograms. The first one, Flux, measures the inward gradient flux through c...
David Lesage, Elsa D. Angelini, Isabelle Bloch, Ga...