A Computational Model of Dynamic Perceptual Attention for Virtual Humans

Modeling Dynamic Perceptual Attention in Complex Virtual Environments

An important characteristic of a virtual human is the ability to direct its perceptual attention to entities and areas in a virtual environment in a manner that appears believable and serves a functional purpose. In this paper, we describe a perceptual attention model that integrates perceptual attention that mediates top-down and bottom-up attention processes of virtual humans within complex v...

Modeling Perceptual Attention in Virtual Humans

This paper describes our efforts to model perceptual attention in virtual humans for the joint synthetic battlefield. With the exception of the work by Reece et al. [19,20] to develop individual combatants, current computer generated forces represent entities at the platform level, hence, the perceptual model of these entities is typically a composite representing the behaviors of multiple huma...

Shifting of Focus of Perceptual Attention in Embodied Conversational Agents

We have developed a computational model of perceptual attention that interleaves top-down and bottom-up attention processes of an embodied agent in a virtual environment. What has been lacking in our model until now is how it would work when the one of the tasks being performed by the agent is holding a conversation with one or more agents. In this paper, we propose some modifications to our mo...

A genetic algorithm for a bi-objective mathematical model for dynamic virtual cell formation problem

Nowadays, with the increasing pressure of the competitive business environment and demand for diverse products, manufacturers are force to seek for solutions that reduce production costs and rise product quality. Cellular manufacturing system (CMS), as a means to this end, has been a point of attraction to both researchers and practitioners. Limitations of cell formation problem (CFP), as one o...

Real-Time Perceptual Rendering with Computational Visual Attention Tracking in Virtual Environments Real-Time Perceptual Rendering with Computational Visual Attention Tracking in Virtual Environments