This paper presents a pedagogical introduction to the issue of how implement Lorentz transformations in relativistic visualization. The most efficient approach is use even geometric algebra 3+1 spacetime dimensions, or equivalently complex quaternions, which are fast, compact, and robust, straightforward compose, interpolate, spline. has been incorporated into Black Hole Flight Simulator, an in...

In this paper, we present a new method to recover an approximation of the bidirectional reflectance distribution function (BRDF) of the surfaces present in a real scene. This is done from a single photograph and a 3D geometric model of the scene. The result is a full model of the reflectance properties of all surfaces, which can be rendered under novel illumination conditions with, for example,...

To further increase the realism of ray tracing, we take the idea of distributed ray tracing and add on to it mirage rendering. Mirages are seen quite often in our daily lives, and in order to make computer generated images look as realistic as possible, it is necessary to add things, such as mirage rendering, that are seen in the natural world. Mirages are caused by light passing from colder ai...

The latest real-time graphics architectures include programmable floating-point vertex and fragment processors, with support for data-dependent control flow in the vertex processor. We present a programming language and a supporting system that are designed for programming these stream processors. The language follows the philosophy of C, in that it is a hardware-oriented, generalpurpose langua...

Computer vision researchers are developing new approaches to object recognition and detection that are based almost directly on images and avoid the use of intermediate three-dimensional models. Many of these techniques depend on a representation of images that induce a linear vector space structure and in principle requires dense feature correspondence. This image representation allows the use...

Foam is the natural phenomenon of bubbles that arise due to nucleation of gas in liquids. The current state of art in Computer Graphics rarely includes foam effects on large scales. In this paper we introduce a vertexbased, quasi-static equilibrium model from the field of Computational Physics as a new paradigm for foam effects. Dynamic processes like gas diffusion and bubble collapse are added...