Mathieu Razafimahazo

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45 Since 2007, the widespread use of mobile devices (e.g., phones, tablets) and emergence of a new generation of devices which are equipped with more precise sensors and cameras has placed augmented and virtual-reality technologies within reach. Such applications are very resource-demanding and critically interdependent on the quality of user-location(More)
In this paper, a personal assistant and navigator system for visually impaired people will be described. The showcase presented intends to demonstrate how partially sighted people could be aided by the technology in performing an ordinary activity, like going to a mall and moving inside it to find a specific product. We propose an Android application that(More)
A sound object can be defined as a time structure of audio chunks whose duration is on the time scale of 100 ms to several seconds. Sound objects have heterogeneous and time-varying properties. They are the basic elements of any format for Interactive Audio (IA). We have designed an XML language [A2ML] for Interactive Audio which offers, concerning the(More)
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