Browsing by Author "Sousa, L."
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- Fátima revisited: an interactive installationPublication . Alves, Ricardo; Madeira, Marisa; Ferrer, Jorge; Costa, Susana; Lopes, D.; Silva, Bruno; Sousa, L.; Martins, J.; Rodrigues, J. M. F.Three very young shepherds, on May 13, 1917, reported seeing “... a lady even brighter than the sun...”, floating a meter or so in the air, near an old oak tree, when they were pasturing their little herd in Cova da Iria, Portugal. The story of OurLady of Fátima has remained one of the most remarkable odes in Portuguese folklore. It is, beyond the religious event in itself, a key episode in the official history and culture of the Portu-guese people. It is a day celebrated every year; more among thefaithful believers, but also in the media and even as a political catchphrase, widespread, recognized and cele-brated, including by the Vatican and several Popes. In this paper, we present two mul-timedia installations where the central figure is Our Ladyof Fátima, following two main ideas: (a) a “door” opens up the possibility to access multiple space-time experiments, and (b) we try to reach into the Portuguese imaginary surrounding the appearance of Our Lady of Fátima, using a female archetype suggesting a “sacred apparition”. Both installations use a Microsoft Kinect sensor to detect the presence of a viewer for trigger-ing the start of the narrative, followed by recognizing different movements of the view-er(s), e.g., moving left, right, forward, backward, etc., to create different flows in the presented narrative –even at some point changing the face of Our Lady of Fátima with the face of the viewer. Both installations use similar hardware and software concepts, except that the first one uses a Rear Projection solution where the narrative is presented by the image of Our Lady in real size and the second uses a Hologram.
- PoolLiveAid: augmented reality pool table to assist inexperienced playersPublication . Alves, Ricardo; Sousa, L.; Rodrigues, J. M. F.PoolLiveAid is an augmented reality tool designed to assist unskilled or amateur pool, or snooker or billiards players in predicting trajectories. A camera placed above the table acquires and processes the game on-the-fly. The system detects the table border, the ball's position an the pool cue direction in order to compute the predictable trajectory of the white ball, and the ball directly in its trajectory. The output result is then forwarded to a projector, placed above the table, which then projects onto the snooker playable field. A skilled player can also save a specific layout of a move and load it later in order to achieve the best shot and practising.