Miguel Dias

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This paper presents the usability evaluation results of Mix It, a test bed for authoring in Mixed Reality Environments. While augmented and mixed reality interfaces have been around for a few years, considerable work needs to be done in usability assessment of novel interaction techniques for augmented environments. We have conducted usability evaluations(More)
†ISCTE/DCTI/ADETTI, Ed. ISCTE, Instituto Superior de Ciências do Trabalho e da Empresa, Dep. Ciências e Tecnologias de Informação, Av. Das Forças Armadas, 1600-082 Lisboa, Portugal ††UPF – Universitat Pompeu Fabra, Departament de Tecnologia, Pg. Circumvallació 8, E-08003 Barcelona, Spain †††UPC – Universitat Polytècnica de Catalunya, Dept. AC, DMAG, Campus(More)
One of the most important trends in the present day computing model is the service oriented approach to the distribution of applications and services over the Internet. The paradigm model behind the Service Oriented Architecture (SOA) encompasses the possibility to potentially have completely heterogeneous application architecture in which each of the(More)
Immersive multi-projection environments are becoming affordable for many research centers, but these solutions needs several integration steps to be fully operational, and some of these steps are difficult and not in a common domain. This paper presents the most recent techniques involved in multi-projection solutions, from projection to computer cluster(More)
The word "noise" comes from the Latin word nausea meaning "seasickness", or from a derivative (perhaps Latin noxia) of Latin noceo = "I do harm", referring originally to nuisance noise. Generally all non-musical sounds are considered to be noise. Noise is a complex concept and source material to deal with; it is an invisible architectural element with an(More)
Human Activity Recognition (HAR) is an interdisciplinary research area that has been attracting interest from several research communities specialized in machine learning, computer vision, medical and gaming research. The potential applications range from surveillance systems, human computer interfaces, sports video analysis, digital shopping assistants,(More)