• NightLighting: a nocturnal urban illumination approach 

    Muñoz Pandiella, Imanol; Andújar Gran, Carlos Antonio; Patow, Gustavo (European Association for Computer Graphics (Eurographics), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Real time rendering of cities with realistic global illumination is still an open problem. In this paper we propose a two-step algorithm to simulate the nocturnal illumination of a city. The first step computes an approximate ...
  • R4: Realistic rain rendering in realtime 

    Creus López, Carles; Patow, Gustavo (2013-02)
    Accés restringit per política de l'editorial
    Realistic rain simulation is a challenging problem due to the variety of different phenomena to consider. In this paper we propose a new rain rendering algorithm that extends present state of the art in the field, achieving ...
  • Reflector design from radiance distributions 

    Patow, Gustavo; Pueyo, Xavier; Vinacua Pla, Álvaro (Institute for Applied Mathematics and Information Technology, 2004-12)
    Accés restringit per política de l'editorial
    This paper proposes a technique for the design of reflector shapes from prescribed optical properties (far field radiance distribution) and geometrical constraints, which is of high importance in the field of Lighting ...
  • The ViRVIG institute 

    Andújar Gran, Carlos Antonio; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau; Patow, Gustavo; Pueyo, Xavier (2011-11-16)
    Accés obert
    In this paper we present the ViRVIG Institute, a recently created institution that joins two well-known research groups: MOVING in Barcelona, and GGG in Girona. Our main research topics are Virtual Reality devices and ...