Graphics (GGG): Page 2

The group began its research activity in 1993 with a study of the problems associated with the generation of realistic imaging software. Since then, the GGG (http://iiia.udg.es) group has extended its sphere of activity to study in depth various conceptual and technological aspects of realistic visualisation. The group centres its research in the following fields:

         •     Scientific visualisation
         •     Computational geometry
         •     Appearances and perception
         •     Virtual reality

Within these lines of research the group deals with problems related to the fundamentals of graphic interaction and visualisation, in addition to such applications as are detailed below:

         •     Public illumination
         •     Medical imaging
         •     Illumination design
         •     Lighting design
         •     Conductor simulations
         •     Interactive games

The computerised graphics group of the UdG has among its lines of research scientific visualisation as applied to medicine and virtual reality. Scientific visualisation
is understood to mean the use of techniques derived from the computerised graphics used for the representation and interpretation of scientific data obtained through simulations and/or pick-up systems such as those of magnetic resonance, computerised tomographies, etc. Starting from these techniques bidimensional visualisation (2D), the most commonly used in the medical field, is replaced by tridimensional visualisation (3D), permitting the inspection of the information obtained more efficiently from the patient thus making the diagnosis easier.

Our research has centred on the development and application of methods to accelerate the process of generation of visualisation 3D, applying optimization using hardware and multi-resolution strategies. New recording techniques have been proposed that will make alignment of the data from different explorations easier. Also being investigated is the visualisation of blended models. The collaboration with the neuroradiology group of IDI has contributed to the development and applicability of a method of co-recording for the volumetric analysis of cerebral ischaemic lesions. Also being at present investigated is the use of virtual reality situations for the interaction with models on which calculations and simulations will be made in order to make diagnosis and the interpretation of results easier.

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