The nature of statistical learning theory
The nature of statistical learning theory
Segmentation of ultrasonic images using support vector machines
Pattern Recognition Letters - Speciqal issue: Ultrasonic image processing and analysis
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We are studying opposed view ultrasonic imaging (OVI) of the breast in the mammographic geometry, with probable future automation and alignment with X-ray tomosynthesis. OVI through a filament mesh paddle results in improved spatial resolution, contrast, and signal-to-noise ratio. We expect these images will be of a quality that justifies their use for screening purposes, especially for subjects with dense breasts. A previous study assessed machine learning for isolating image artifacts, which included posterior acoustic shadowing from cancers and enhancement arising from cysts. The image volumes were acquired on a custom breast-mimicking phantom containing multiple cysts and solid masses. This paper reports that 3D non-linear registration of opposed view image volumes was robust for the segmented image volumes with noisy areas excluded.