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Osteoporosis is a common bone disease associated with reduced bone strength and increased fracture risk. Finite element modelling (FEM) is a powerful tool to assess bone strength. Fast acquisition and highly reduced radiation in latest multi-row detector CT (MDCT) put it as a frontline imaging modality to assess in vivo trabecular bone (TB) microarchitecture and strength. In current CT image resolution,...
Image registration plays an important role within pulmonary image analysis. Accurate registration is critical to post-analysis of lung mechanical properties. To improve registration accuracy, we utilize the rich information of vessel locations and shapes, and introduce a new similarity criterion, sum of squared vesselness measure difference (SSVMD). This metric is added to three existing intensity-based...
The lobes of the lung slide relative to each other during breathing. Quantifying lobar sliding can aid in better understanding lung function, better modeling of lung dynamics, and for studying phenomenon such as pleural adhesion. We propose a novel measure to characterize lobe sliding in the lung based on the displacement field obtained from image registration of CT scans. When two sliding lobes are...
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