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Supersonic Shear Imaging (SSI) is a quantitative stiffness imaging technique based on the combination of a radiation force induced in tissue by an ultrasonic beam and ultrafast ultrasound imaging sequence (up to more than 10000 frames per second) catching in real time the propagation of the resulting shear waves. Local shear wave speed is estimated and enables the two dimensional mapping of shear...
Breast cancer is the second leading cause of cancer deaths among women and micro calcifications clusters are one of the most important indicators of breast disease. A Computer-Aided Diagnosis algorithm has been developed to assist radiologists in the diagnosis of mammographic clusters. Classification performance was evaluated with the diagnosis algorithm, and the final result looks great.
For diagnosis of very small lesions of breast cancer on very early stage, a dedicated breast positron emission tomography (PET) scanner consisting of four-layer depth of interaction (DOI) detectors is now under development. We are aiming for the spatial resolution of less than 1 mm across a large effective field of view (FOV), and acquisition time of less than 5 minutes for each breast and 10 minutes...
This paper present an automatic extraction algorithm of the pulmonary major and minor fissures from three-dimensional (3-D) chest thin-section computed tomography (CT) images of helical CT. These fissures are used for the diagnosis of lung cancer and the analysis of pulmonary conformation. The proposed algorithm improves on the previous extraction method using the surface-curvatures calculation for...
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