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TMI
2002
65views more  TMI 2002»
14 years 11 months ago
A Proof of the Spherical Homeomorphism Conjecture for Surfaces
The human cerebral cortex is topologically equivalent to a sphere when it is viewed as closed at the brain stem. Due to noise and/or resolution issues, magnetic resonance imaging m...
Lowell Abrams, Donniell E. Fishkind, Carey E. Prie...
TMI
2002
96views more  TMI 2002»
14 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
83views more  TMI 2002»
14 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
90views more  TMI 2002»
14 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
107views more  TMI 2002»
14 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