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A new approach is introduced for the automatic detection of the lumen axis of the common carotid artery in B-mode ultrasound images. The image is smoothed using a Gaussian filter and then a dynamic programming scheme extracts the dominant paths of local minima of the intensity and the dominant paths of local maxima of the gradient magnitude with the(More)
A new algorithm is proposed for the semi-automatic segmentation of the near-end and the far-end adventitia boundary of the common carotid artery in ultrasound images. It uses the random sample consensus method to estimate the most significant cubic splines fitting the edge map of a longitudinal section. The consensus of the geometric model (a spline) is(More)
This paper presents a new method for the automatic segmentation of the common carotid artery in B-mode images. This method uses the instantaneous coefficient of variation edge detector, fuzzy classification of edges and dynamic programming. Several discriminating features of the intima and adventitia boundaries are considered, like the edge strength, the(More)
Serious Games are an important tool in health rehabilitation, contributing to increase the motivation of patients in the completion of tasks included in their recovery programs. Following the study of the set of features which can be used to improve cognitive therapy processes, making them more motivating for the patients, we develop a web platform composed(More)
Rehabilitation processes follow, as a rule, intensive training programs, composed of repetitive and monotonous tasks for patients. The introduction of serious games in these processes can help in motivating patients, increasing their interest in the exercises to perform. These games should be set taking into account characteristics that are able to(More)
A new approach is proposed for the automatic detection of the near-end and far-end intima and adventitia inner boundaries in ultrasound images of the common carotid artery. This method uses the instantaneous coefficient of variation edge detector, fuzzy classification of edges, several discriminating features of the carotid wall boundaries and dynamic(More)
This paper presents a heuristic approach to the problem of call admission control. The algorithm is based on traffic measurements and does not guarantee bounded delays or cell losses. It features very low cell delay variation tolerance for CBR traffic and is aware of negotiated, but unused, bandwidth from users. The algorithm does not assume any traffic(More)