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In spite of many success stories in various domains, genetic algorithms and genetic programming still suffer from some significant pitfalls. Those evolved programs often lack important properties such as robustness, comprehensibility, transparency, modifia ...
We present an image-based rendering technique to represent virtual humans in real-time. Though we deal only with virtual humans, the concept can be applied to any articulated character. Our technique is termed animated impostors because it extends the noti ...
We analyse use of real-time video in virtual environments in interaction between real and virtual humans. We implemented our ideas in a networked collaborative virtual environment system, VLNET and in an augmented reality setup. This paper presents three d ...
Research on virtual humans spans from body animation to speech generation. In many cases research systems are isolated software pieces and can only be used after a steep learning curve. A novel system is presented which integrates a large repertoire of vir ...
The authors have been working on simulating virtual humans for several years. Until recently, these constructs could not act in real time. Today, however, many applications need to simulate in real time virtual humans that look realistic. They have investe ...
The paper shows a novel approach to model and control interactive objects for simulations with virtual human agents when real time interactivity is essential. A general conceptualization is made to model objects with behaviors that can provide: information ...
We show that we can effectively fit complex animation models to noisy image data. Our approach is based on robust least squares adjustment and takes advantage of three complementary sources of information: stereo data, silhouette edges and 2D feature point ...
This paper proposes a paradigm for specification of virtual human agents` level of autonomy. The idea we present in this paper aims at optimising the required complexity of agents in order to perform realistic simulations. The paradigm is based on the dist ...
Identifying a precise anatomic skeleton is important in order to ensure high-quality motion capture. In this paper, we discuss two skeleton-fitting techniques based on 3D optical marker data. First, a local technique is proposed, based on relative marker t ...
The authors present a novel approach to participant embodiment in networked collaborative virtual environments. The embodiment approach integrates live video into 3D objects for a hybrid participant representation. They implemented their ideas in a Network ...
