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Searching for authors named "Christopher Peters" – sorted by Relevance.

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  • Attention-Driven Eye Gaze And Blinking For Virtual Humans  
  • by Christopher Peters Image, Christopher Peters
  • …re parameterised in terms of the contribution of the eye, head, neck and shoulder joints to the movement and the total dwell time spent on the target before moving to the next target. Based on evidence from psychology [Bard et al. 1991], virtual humans are tagged with a head-move attribute, defining…
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  • New Metrics For Evaluation Of Collision Detection Techniques  
  • by Evin Levey, Christopher Peters, Carol O'Sullivan — 1999 — In Proceedings of WSCG
  • …In this paper we describe new metrics for the evaluation of collision detection techniques. Through careful study of common applications of these techniques we have developed a series of comparative tests that should be conducted when evaluating a collision detection algorithm. We present a comprehe…
  • Cited by 2 (0 self) – Add To MetaCart
  • Bottom-Up Visual Attention for Virtual Human Animation  
  • by Christopher Peters, Carol O'Sullivan — 2003 — In Computer Animation for Social Agents
  • …bottom-up visual attention behaviours in virtual humans. Bottom-up attention refers to the way in which the environment solicits one's attention without regard to task-level goals. Our framework is based on the interactions of multiple components: a synthetic vision system for perceiving the virtual…
  • Cited by 13 (2 self) – Add To MetaCart
  • Vision-Based Reaching for Autonomous Virtual Human  
  • by Christopher Peters, Carol O'Sullivan — 2002 — Proceedings of the AISB’02 symposium: Animating Expressive Characters for Social Interactions (short paper), 69–72
  • …A method for the generation of realistic real-time goal-directed virtual human arm motion is presented. Agents are endowed with a rudimentary synthetic vision and memory system that is used to gather and store data about objects in the vicinity.…
  • Cited by 1 (1 self) – Add To MetaCart
  • MODELLING USER ATTENTION FOR HUMAN-AGENT INTERACTION  
  • by Christopher Peters, Stylianos Asteriadis, Genaro Rebolledo-mendez
  • …In this work, we propose a design for a user attention model featuring three core components. Our system components can work in real-time, offering indications of user attention from different sensory inputs (both visual and neurophysiological). Intention of the current work is to keep the equipment…
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  • Synthetic Vision And Memory for Autonomous Virtual Humans  
  • by Christopher Peters, Carol O'Sullivan, C. Peters, C. O Sullivan — 2002
  • …A memory model based on "stage theory", an influential concept of memory from the field of cognitive psychology, is presented for application to autonomous virtual humans. The virtual human senses external stimuli through a synthetic vision system. The vision system incorporates multiple modes of vi…
  • Cited by 6 (1 self) – Add To MetaCart
  • Real-Time Character Animation Techniques  
  • by Thanh Giang, Robert Mooney, Christopher Peters, Carol O'Sullivan — 2000
  • …This report reviews the literature in the field of computer animation and robotics to illustrate the numerous approaches to simulating, controlling and displaying the realistic, real-time animation of virtual characters. Critical analyses of the various high-level approaches are conducted, with a vi…
  • Cited by 1 (0 self) – Add To MetaCart
  • Smart Objects for Attentive Agents  
  • by Christopher Peters, Simon Dobbyn, Brian MacNamee, Carol O'Sullivan — 2003
  • …We present an extended framework for modelling agent-object interactions in virtual environments. Our framework is based on the concept of Smart Objects and provides agents with pre-programmed interaction information for the automatic generation of animations. The ability to generate such animations…
  • Cited by 1 (0 self) – Add To MetaCart
  • ALOHA: Adaptive Level Of Detail for Human Animation Towards a new framework  
  • by Thanh Giang, Robert Mooney, Christopher Peters, Carol O Sullivan — 2000 — Eurographics 2000, Short Presentations
  • …The task of animating and rendering virtual humans in real-time is challenging. One must first establish a sense of realism through appearance, and then maintain this realism through correct and plausible motion, while continually satisfying the real-time constraint imposed. One technique that aids …
  • Cited by 8 (3 self) – Add To MetaCart
  • Multimodal sensing, interpretation and copying of movements by a virtual agent  
  • by Elisabetta Bevacqua, Amaryllis Raouzaiou, Christopher Peters, George Caridakis, Kostas Karpouzis, Catherine Pelachaud, Maurizio Mancini — 2006 — In: Proceedings of Perception and Interactive Technologies
  • …Abstract. We present a scenario whereby an agent senses, interprets and copies a range of facial and gesture expression from a person in the real-world. Input is obtained via a video camera and processed initially using computer vision techniques. It is then processed further in a framework for agen…
  • Cited by 5 (1 self) – Add To MetaCart
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