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High Content Screening (HCS) is a method for analyzing large numbers of cells typically arranged in arrays. Multi-well assays and micro-pallet arrays can be used to single out and harvest cells with desired features. However, visual inspection of large time series of images, each containing hundreds of wells or tens of thousands of micro-pallets is time-consuming and prone to detection errors.We have...
With the increased precision in dose delivery provided by highly conformal radiotherapy techniques such as intensity modulated radiotherapy (IMRT), the requirement for accuracy in patient positioning for treatment is emphasised. This system uses augmented reality (AR) to allow the radiation therapist to visually guide the patient during positioning for treatment. It superimposes three-dimensional...
Myocardial perfusion imaging with single photon emission computed tomography (SPECT) is an established method for the detection and evaluation of coronary artery disease (CAD). State-of-the-art SPECT scanners yield a large number of regional parameters of the left-ventricular myocardium (e.g., blood supply at rest and during stress, wall thickness, and wall thickening during heart contraction) that...
This paper describes an efficient image transformation method based on histogram information and some prior knowledge of tissue expression in different modalities for registration of images from different image aquisition methods, such as CT and MRI. The metric defined in this paper represents a computationally efficient alternative to traditional, mutual information based methods. The optimization...
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