Eddy Flerackers

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Rendering high-quality shadows in real-time is a challenging problem. Shadow mapping has proved to be an efficient solution, as it scales well for complex scenes. However, it suffers from aliasing problems. Filtering the shadow map alleviates aliasing, but unfortunately, native hardware-accelerated filtering cannot be applied, as the shadow test has to take(More)
This paper presents FluidPaint, a novel digital paint system using real wet brushes. A new interactive canvas, accurately registering brush footprints and paint strokes in high precision has been developed. It is based on the real-time imaging of brushes and other painting instruments as well as the real-time co-located rendering of the painting results.(More)
over networks has become an important research topic over the past few years, including in the Visinet project. The Visinet participants conducted trials of new CSCW methods based on virtual representation and virtual reality techniques over trans-European ATM networks. Designers, architects, city planners, and engineers worked collaboratively with virtual(More)
In this paper, we present a method to implement a navigation system for an intelligent agent that exists in a virtual world to generate collision-free motion. To observe the world, the agent uses virtual sensors consisting of the depth buffer information of a rendered image of the scene. This information is used to generate low-level collision avoidance,(More)
Virtual environments and other applications of computer-generated scenes are emerging. This increases the demand for tools for efficient creation of the virtual worlds and interaction with the components in the virtual world. Introduction of immersiveness in the modeling process seems promising, but a number of issues related to immersive modeling still(More)
Designers and developers of virtual environments have to consider that providing adaptation in virtual environments is important to comply with users’ different characteristics. Due to the many possibilities of adaptation that a designer can think of, it is necessary to support the integration of adaptation in the application in a rapid and practical way.(More)
In most existing immersive virtual environments, 3D geometry is imported from external packages. Within ICOME (an Immersive Collaborative 3D Object Modelling Environment) we focus on the immersive construction of 3D geometrical objects within the environment itself. Moreover, the framework allows multiple people to simultaneously undertake 3D modelling(More)