Sciweavers

TMI
2008
149views more  TMI 2008»
13 years 11 months ago
Shape-Driven Three-Dimensional Watersnake Segmentation of Biological Membranes in Electron Tomography
Abstract--Due to the significant complexity of membrane morphology and the generally poor image quality in electron tomographic volumes, current automatic methods for segmentation ...
Hieu Tat Nguyen, Qiang Ji
TMI
2008
73views more  TMI 2008»
13 years 11 months ago
Tensor-Based Cortical Surface Morphometry via Weighted Spherical Harmonic Representation
Abstract--We present a new tensor-based morphometric framework that quantifies cortical shape variations using a local area element. The local area element is computed from the Rie...
Moo K. Chung, Kim M. Dalton, Richard J. Davidson
TMI
2008
108views more  TMI 2008»
13 years 11 months ago
Estimation and Statistical Bounds for Three-Dimensional Polar Shapes in Diffuse Optical Tomography
Abstract--Voxel-based reconstructions in diffuse optical tomography (DOT) using a quadratic regularization functional tend to produce very smooth images due to the attenuation of h...
Gregory Boverman, Eric L. Miller, Dana H. Brooks, ...
TMI
2008
93views more  TMI 2008»
13 years 11 months ago
Anisotropic Field-of-Views in Radial Imaging
Abstract--Radial imaging techniques, such as projection-reconstruction (PR), are used in magnetic resonance imaging (MRI) for dynamic imaging, angiography, and short- 2 imaging. Th...
Peder E. Z. Larson, Paul T. Gurney, Dwight G. Nish...
TMI
2008
66views more  TMI 2008»
13 years 11 months ago
Feature Normalization via Expectation Maximization and Unsupervised Nonparametric Classification For M-FISH Chromosome Images
Multicolor fluorescence in situ hybridization (M-FISH) techniques provide color karyotyping that allows simultaneous analysis of numerical and structural abnormalities of whole hum...
Hyohoon Choi, Alan C. Bovik, Kenneth R. Castleman
TMI
2008
123views more  TMI 2008»
13 years 11 months ago
ORBIT: A Multiresolution Framework for Deformable Registration of Brain Tumor Images
Abstract--A deformable registration method is proposed for registering a normal brain atlas with images of brain tumor patients. The registration is facilitated by first simulating...
Evangelia I. Zacharaki, Dinggang Shen, Seung-koo L...
TMI
2008
124views more  TMI 2008»
13 years 11 months ago
A Review of Geometric Transformations for Nonrigid Body Registration
Abstract-- This paper provides a comprehensive and quantitative review of spatial transformations models for nonrigid image registration. It explains the theoretical foundation of ...
Mark Holden
TMI
2008
154views more  TMI 2008»
13 years 11 months ago
Brain Anatomical Structure Segmentation by Hybrid Discriminative/Generative Models
In this paper, a hybrid discriminative/generative model for brain anatomical structure segmentation is proposed. The learning aspect of the approach is emphasized. In the discrimin...
Zhuowen Tu, Katherine Narr, Piotr Dollár, I...
TMI
2008
68views more  TMI 2008»
13 years 11 months ago
Myocardial Perfusion Characterization From Contrast Angiography Spectral Distribution
Despite recovering a normal coronary flow after acute myocardial infarction, percutaneous coronary intervention does not guarantee a proper perfusion (irrigation) of the infarcted ...
Debora Gil, Oriol Rodriguez-Leor, Petia Radeva, Jo...