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We present a super fast variational algorithm for the challenging problem of multimodal image registration. It is capable of registering full-body CT and PET images in about a second on a standard CPU with virtually no memory requirements.
Manual delineations by experts are often used as reference standards for validating segmentation algorithms, although it is well known that they always show some degree of variability. Our goal is to estimate the effects of using a limited number of expert segmentations. Given ten manual delineations of 13 liver tumors, we analyzed the volume error made by randomly selecting subsets of the ten segmentations...
A novel self-consistent approach for the determination of the correction factor of a waveguide microcalorimeter is described. The method is based on the measurement of offset shorts of different length followed by one single calibration measurement of an unknown thermistor device under test (DUT). Without precisely measuring the radio-frequency (RF) power incident to the reference plane, both the...
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