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TMI
2002
147views more  TMI 2002»
13 years 11 months ago
Cortex Segmentation - A Fast Variational Geometric Approach
An automatic cortical gray matter segmentation from a three-dimensional (3-D) brain images [magnetic resonance (MR) or computed tomography] is a well known problem in medical image...
Roman Goldenberg, Ron Kimmel, Ehud Rivlin, Michael...
TMI
2002
191views more  TMI 2002»
13 years 11 months ago
Automatic Detection of Abnormalities in Chest Radiographs Using Local Texture Analysis
A fully automatic method is presented to detect abnormalities in frontal chest radiographs which are aggregated into an overall abnormality score. The method is aimed at finding ab...
Bram van Ginneken, Shigehiko Katsuragawa, Bart M. ...
TMI
2002
155views more  TMI 2002»
13 years 11 months ago
Active Shape Model Segmentation with Optimal Features
Abstract--An active shape model segmentation scheme is presented that is steered by optimal local features, contrary to normalized first order derivative profiles, as in the origin...
Bram van Ginneken, Alejandro F. Frangi, Joes Staal...
TMI
2002
88views more  TMI 2002»
13 years 11 months ago
What is the best similarity measure for motion correction in fMRI time series?
It has been shown that the difference of squares cost function used by standard realignment packages (SPM and AIR) can lead to the detection of spurious activations, because the mo...
Luis Freire, Alexis Roche, Jean-Francois Mangin
TMI
2002
83views more  TMI 2002»
13 years 11 months ago
Vibro-acoustic Tissue Mammography
Abstract--A novel method for detection and imaging of microcalcifications in breast tissue is presented. The method, called vibro-acoustography, uses the radiation force of ultraso...
Mostafa Fatemi, Lester E. Wold, Azra Alizad, James...
TMI
2002
107views more  TMI 2002»
13 years 11 months ago
Volumetric Segmentation of Brain Images Using Parallel Genetic Algorithms
Active model-based segmentation has frequently been used in medical image processing with considerable success. Although the active model-based method was initially viewed as an op...
Yong Fan, Tianzi Jiang, David J. Evans
TMI
2002
143views more  TMI 2002»
13 years 11 months ago
A Support Vector Machine Approach for Detection of Microcalcifications
In this paper, we investigate an approach based on support vector machines (SVMs) for detection of microcalcification (MC) clusters in digital mammograms, and propose a successive ...
Issam El-Naqa, Yongyi Yang, Miles N. Wernick, Niko...
TMI
2002
96views more  TMI 2002»
13 years 11 months ago
Time-Domain Reconstruction for Thermoacoustic Tomography in a Spherical Geometry
Abstract--Reconstruction-based microwave-induced thermoacoustic tomography in a spherical configuration is presented. Thermoacoustic waves from biological tissue samples excited by...
Minghua Xu, Lihong V. Wang
TMI
2002
90views more  TMI 2002»
13 years 11 months ago
Volume Rendering of Segmented Image Objects
This paper describes a new method of combining ray-casting with segmentation. Volume rendering is performed at interactive rates on standard laptop computers, and visualizations in...
Elizabeth Bullitt, Stephen R. Aylward
TMI
2002
77views more  TMI 2002»
13 years 11 months ago
A Knowledge-Based Approach to Automatic Detection of the Spinal Cord in CT Images
Neculai Archip, Pierre-Jean Erard, Michael Egmont-...