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TMI
2011
80views more  TMI 2011»
10 years 6 months ago
Real-Time Regularized Ultrasound Elastography
—This paper introduces two real-time elastography techniques based on analytic minimization (AM) of regularized cost functions. The first method (1D AM) produces axial strain an...
Hassan Rivaz, Emad Boctor, Michael A. Choti, Grego...
TMI
2011
108views more  TMI 2011»
10 years 6 months ago
Incorporation of a Left Ventricle Finite Element Model Defining Infarction Into the XCAT Imaging Phantom
—The 4D extended Cardiac-Torso (XCAT) phantom was developed to provide a realistic and flexible model of the human anatomy and cardiac and respiratory motions for use in medical ...
Alexander I. Veress, William Paul Segars, Benjamin...
TMI
2011
127views more  TMI 2011»
10 years 6 months ago
Reconstruction of Large, Irregularly Sampled Multidimensional Images. A Tensor-Based Approach
Abstract—Many practical applications require the reconstruction of images from irregularly sampled data. The spline formalism offers an attractive framework for solving this prob...
Oleksii Vyacheslav Morozov, Michael Unser, Patrick...
TMI
2011
130views more  TMI 2011»
10 years 6 months ago
Parameterization-Invariant Shape Comparisons of Anatomical Surfaces
—We consider 3D brain structures as continuous parameterized surfaces and present a metric for their comparisons that is invariant to the way they are parameterized. Past compari...
Sebastian Kurtek, Eric Klassen, Zhaohua Ding, Sand...
TMI
2011
182views more  TMI 2011»
10 years 6 months ago
Active Volume Models for Medical Image Segmentation
—In this paper, we propose a novel predictive model, active volume model (AVM), for object boundary extraction. It is a dynamic “object” model whose manifestation includes a ...
Tian Shen, Hongsheng Li, Xiaolei Huang
TMI
2011
154views more  TMI 2011»
10 years 6 months ago
Segmentation of Intra-Retinal Layers From Optical Coherence Tomography Images Using an Active Contour Approach
Abstract—Optical Coherence Tomography (OCT) is a noninvasive, depth-resolved imaging modality that has become a prominent ophthalmic diagnostic technique. We present a semiautoma...
Azadeh Yazdanpanah, Ghassan Hamarneh, Benjamin R. ...
TMI
2011
108views more  TMI 2011»
10 years 6 months ago
Motion Correction and Attenuation Correction for Respiratory Gated PET Images
Positron emission tomography (PET) is a molecular imaging technique which is now widely established as a powerful tool for diagnosing a variety of cancers. However, PET images are...
Wenjia Bai, Michael Brady
TMI
2011
144views more  TMI 2011»
10 years 6 months ago
Automated Mitosis Detection of Stem Cell Populations in Phase-Contrast Microscopy Images
—Due to the enormous potential and impact that stem cells may have on regenerative medicine, there has been a rapidly growing interest for tools to analyze and characterize the b...
Seungil Huh, Dai Fei E. Ker, Ryoma Bise, Mei Chen,...
TMI
2011
147views more  TMI 2011»
10 years 6 months ago
Labeling of Lumbar Discs Using Both Pixel- and Object-Level Features With a Two-Level Probabilistic Model
Abstract—Backbone anatomical structure detection and labeling is a necessary step for various analysis tasks of the vertebral column. Appearance, shape and geometry measurements ...
Raja' S. Alomari, Jason J. Corso, Vipin Chaudhary
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