In many situations, individuals or groups of individuals are faced with the need to examine sets of documents to achieve understanding of their structure and to locate relevant in...
Alneu de Andrade Lopes, Roberto Pinho, Fernando Vi...
In this paper we address interactive shape modelling of geometric shapes defined by mathematical functions. We introduce mathematical operators that implement modifications of g...
We introduce an illumination method for outdoor scenes containing plants and trees. Our method supports multiresolution plant and tree models based on random L-systems. The method...
Maria J. Vicent, Vicente Rosell, Roberto Viv&oacut...
This paper presents an evaluation of the benefits and user acceptance of a multimodal interface in which the user interacts with a game-like interactive virtual reality applicatio...
Recently, we proposed a new isosurface extraction algorithm that extracts portions of the isosurface in a viewdependent manner by ray casting and propagation. The algorithm casts ...