Visibility algorithms for walkthrough and related applications have grown into a significant
area, spurred by the growth in the complexity of models and the need for highly interactive …

An increasingly popular use of computing devices is to allow a user the ability to interact with
their physical Surroundings. For example, handheld computers can provide the user with …

Urban spaces consist of a complex collection of buildings, parcels, blocks and
neighbourhoods interconnected by streets. Accurately modelling both the appearance and …

Visibility determination is a key requirement in a wide range of graphics algorithms. This
paper introduces a new approach to the computation of volume visibility, the detection of …

Accordingly, the present invention is directed to identi fying the location of a user without
relying on dedicated infrastructure and a central authority. Additionally, the present invention …

We present an algorithm and a system for accelerated display of massive static and dynamic
environments using hierarchical simplification. Given a geometric dataset, we represent it …

Visibility computation was crucial for computer graphics from its very beginning. The first
visibility algorithms in computer graphics aimed to determine visible surfaces in a …

PCT patent application number PCT/US2011/051403 further claims the benefit of the earlier
filing date of US Provisional Application 61/384,284 entitled “System and Method of …

In this paper, occlusion culling techniques that appeared in the last decade are reviewed.
Occlusion culling techniques are responsible for reducing the polygons rendered by the …

BACKGROUND Because of the increasingly fast processing power of 30 modem-day
computers, users have turned to computers to assist them in the examination and analysis of …