Augmented CGI Films

نویسندگان

  • Mario Gutiérrez
  • Daniel Thalmann
  • Frédéric Vexo
چکیده

The contribution of this paper focuses on the definition of a multimedia application targeted at turning CGI films into a richer and more interactive experience. We combine highquality animated graphics to present a compelling story and enrich it by introducing a certain degree of interactivity: allowing the user to watch films using different camera paths. One of the main goals is to provide alternative ways to observe different facets of the same story, different versions according to user profiles and preferences. We propose a generic coding scheme for high-quality 3D animation, and augment it with an XML content descriptor. Based on the MPEG-7 standard, the descriptor provides information such as preset camera paths that can be freely chosen by the user. RÉSUMÉ. La contribution de ce travail est focalisée sur la définition d’un système multimédia avancé qui a pour but de rendre interactif le visionnage d’un film en images de synthèse. En effet, jusqu’à lors, la seule interaction possible avec un film qu’il soit en images de synthèse ou non est de choisir un scène particulière. Notre but principal est de proposer plusieurs façons de visionner une même histoire en accord avec le profil de l’utilisateur et de ces préférences habituelles, ce qui introduit un degré certain d’interactivité tout en maintenant des coûts quasi constant de production. Pour cela, nous proposons un codage générique et de haute qualité de la géométrie de l’animation de ce monde virtuel. A cela nous rajoutons une description XML de la scène qui contient plusieurs " chemins " de caméra prédéfinis qui peuvent être choisis par l’utilisateur.

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تاریخ انتشار 2004