, Isabel N. Figueiredo1  , Carlos Graca2 and Gabriel Falcao2 (1) CMUC, Department of Mathematics, Faculty of Science and Technology, University of Coimbra, Coimbra, Portugal (2) Instituto de Telecomunicações, Department of Electrical and Computer…

order, where d and n are the number of thresholds and histogram bins respectively. It is computationally expensive to calculate the results for . One important issue is to define…

, plays a fundamental role to the TB quality. On the other hand, the connectivity of the trabecular bone network, which can be estimated, for instance, through the Euler-Poincaré characteristic,…

) colour spaces and additionally by the loss of colourfulness (). 1 Introduction True colour images acquired by a camera contain only a small subset of all possible 16.7 million colours….

. From a mechanical point of view, the most intense work is performed along the pattern from point 2 to point 3, that is, along the systolic phase, when pressures…

Fig. 1 Some shapes of legs for which it is easy to infer body direction The first one is the inflections of the knees. When a leg is well separated…

can be seen as a K-dimensional cube of data, in which each dimension correspond to a different factor of the input data space. With this definition, the j-mode vector of…

of human RBCs (i.e., hematocrit, Hct ). The blood was collected from a healthy adult volunteer, and EDTA (ethylenediaminetetraacetic acid) was added to the samples to prevent coagulation. The blood…

Fig. 1 Vision-based hand gesture recognition system architecture In the following sections we will describe the problems of hand posture classification and dynamic gesture classification. 2.1 Hand Posture Classification For…

Fig. 1 Left: The marked points on the hip joint border and the approximated plane are shown. Right: Resulting position of the artificial hip joint in correspondence to the mirrored,…