This paper presents a new method for imaging, localizing, and tracking motion behind walls in real-time. The method takes advantage of the motion-induced variance of received signal strength measurements made in a wireless peerto-peer network. Using a multipath channel model, we show that the signal strength on a wireless link is largely dependent on the power contained in multipath components ...

Cardiovascular diseases are the leading cause of death worldwide. In order to improve the diagnostics and facilitate early interventions of cardiovascular diseases, knowledge about the physiology of the vascular system in both healthy subjects and in subjects with vascular disease is needed. In order to learn more about the physiology of the vascular system and possibly predict cardiovascular d...

Doppler Tissue Imaging (DTI) is a new technique that provides an image information on values of intramy-ocardial wall velocity. This speciic capability makes easier the automatic myocardial boundary extraction and tracking task. We apply a variation on active contour models to an M-Mode Ultrasound image. This is in fact an image made from a time sequence of digitized 1D images. To the feature e...

Introduction: Cardiac MR tagging is a promising technique for non-invasively measuring the regional mechanical function (strain) in the left ventricular wall, but existing image analysis techniques require user supervised identification of myocardial contours in each image in the study (typically 200 images). These contours are used both in the tag tracking process to defme the region of intere...