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Autofluorescence imaging (AFI), which is a “red flag” technique during Barrett’s surveillance, is associated with significant false positive results. The aim of this study was to assess the inter-observer agreement (IOA) in identifying AFI-positive lesions and to assess the overall accuracy of AFI. Anonymized AFI and high resolution white light (HRE) images(More)
In this paper, we apply a non-stationary errors-in-variables model estimation technique to a problem arising in transient electromagnetic mineral exploration. The proposed technique is used to estimate a model which is deployed for noise cancellation. Alternative methods for noise cancellation in these systems rely on specific signal characteristics, and(More)
This paper describes a procedure to calibrate a two degree of freedom robot, which is able to translate and rotate a turntable on which a camera is mounted. The calibration enables the transformation of the coordinates of an image point, observed from any known position of the robot, to a 3D straight line, speciied in a world coordinate system. This diiers(More)
In this paper, a non-stationary errors-in-variables (EIV) model estimation method is proposed and applied to the problem of model estimation for noise-cancellation in transient electromagnetic mineral exploration. Alternative methods for noise cancellation in these systems rely on specific signal characteristics, and are thus less readily transferable to(More)
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