introduction: physical inactivity is one of the cardiovascular disease (cvd) risk factors. watching tv is a predictor of inactivity which is related to cvd risk factors and obesity. the objective of this study was to evaluate the influence of leisure-time physical activity and television watching on atherosclerosis risk factors in housewives and employees. materials & methods: in a cross sectio...

29 W e all want to change our appearance in some way. For example, makeup helps enhance appearance, although it primarily relates to the face. Many people try to change their moods by changing their accessories, clothes, and hairstyles. Some people even resort to plastic surgery to make permanent changes. We often observe behaviors that stem from a more radical desire for metamorphosis. For exa...

This paper presents a new Web tool for converting text to Sign Language notation and corresponding VRML animation sequences for H-anim compliant avatars. The tool can be used both as a sign language dictionary as well as a text to sign language translator. It is based on a Sign Language dictionary written in the well-known SignWriting system. More specifically, the entries of the dictionary are...

In this introductory chapter, we try to situate the role of Computer Animation in the new technologies: digital television, virtual reality, multimedia, cooperative work. We also overview the main techniques which will be further discussed throughout this book by international experts. 1 The high-tech role of computer animation The term "Computer Animation" suggests that computers bring somethi...

Parametric curves are frequently used in computer animation and virtual environments to control the movements of synthetic objects. In many of these applications it is essential to efficiently relate parameter values to the arc length of the curve. Current approaches to compute arc length or to construct an arc-length parameterized curve are impractical to use in real-time applications. This pa...

The use of peer-to-peer overlay networks (P2P) to deliver live television on the Internet (P2P TV) is gaining increasing attention. P2P TV systems are growing nowadays at increasing speed as a result of the opening of video content producers to new business models. This process is supported and accelerated by larger bandwidth availability of Internet and better algorithms for compression, repro...

objective(s): in this study, we aimed to evaluate the efficacy of thyroid volume measurement using 99mtc pertechnetate single-photon emission computed tomography (spect) images, acquired by the standardized uptake value (suv)-shape scheme designed by our expert team.methods: a total of 18 consecutive patients with graves’ disease (gd) were subjected to both ultrasonographic and 99mtc pertechnet...

introduction: the purpose of this study was comparison of three different methods of presenting tv programs and their impacts on receptive language of deaf people in two stages of consideration in isfahanian population. (1- providing program by sign language and lip reading method; presented by a deaf interpreter 2- providing program by lip reading method; presented by a tv broadcaster 3- provi...