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The performance of the Caltrac accelerometer was studied in elementary school-age children under field and laboratory conditions. In Study 1, 35 children (20 boys, 15 girls, mean age = 10.8 yr) wore the accelerometer and a heart rate (HR) monitor for 2 d. Caltrac activity counts per hour were compared to the mean "activity HR", which was calculated by(More)
With pervasive gaming, novel types of games have recently emerged. The idea is to apply pervasive computing technology-which embeds computers in real-world, everyday environments-to games. By bringing gaming back to natural, social interaction spaces, pervasive gaming aims to overcome some restrictions of conventional computer games: Players are no longer(More)
Computer gamesp laya ni ncreasingr ole in our modern information society. Besides pure entertainment, gamesc an providev aluable input for social interaction, learning, etc. Recently, new pervasive game genres have been developed, including mobile games, tangible games, table-topg ames,e xhaustive games, mixed realityg ames, etc.P ervasive gamese xtend the(More)
In this paper we investigate a seamless method for the adaptation of streamed media by using simultaneous processing chains. The common approach for media adaptation is to deconstruct the current media processing chain and to construct a new media chain afterwards. As a consequence, media frames might be lost and the adaptation cycle needs significant time.(More)