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Search results for: VIRTUAL AND AUGMENTED REALITY
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Sphere Drive and Control System for Haptic Interaction With Physical, Virtual, and Augmented Reality
PublicationA system for haptic interaction with physical, virtual, and augmented realities, founded on drive and measurement elements (DMEs), is considered. The system consists of eight DME rolls equipped with linear actuators, able to measure their angular velocity, drive the sphere, and adjust downforce (pressing the roll against the sphere). Two modeling issues are addressed. Special effort is put in to compensate for various technical...
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VIRTUAL REALITY
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Augmented Reality for Privacy-Sensitive Visual Monitoring
PublicationThe paper presents a method for video anonymization and replacing real human silhouettes with virtual 3D figures rendered on the screen. Video stream is processed to detect and to track objects, whereas anonymization stage employs fast blurring method. Substitute 3D figures are animated accordingly to behavior of detected persons. Their location, movement speed, direction, and person height are taken into account during the animation...
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Semantic modeling of contextual augmented reality environments
PublicationDespite significant progress in the field of augmented reality (AR), regarding both hardware and software, there is still a lack of universal models and methods that would enable building ubiquitous AR systems that could be used anywhere and anytime, covering different application areas. This dissertation describes a new approach to building AR systems, called the Contextual Augmented Reality Environment (CARE). The CARE approach...
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Virtual reality technology in architectural education
PublicationContemporary virtual reality (VR) technology allows the recreation of non-existent architectural objects of which there may be no trace remaining. Virtual reality applications allow access to digital models, which visualise the lost architecture. The popularity of VR has resulted in it being applied not only to computer games, but also in visualising the past. Maps allow movement through historical trails and 3D models of architecture...
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Personalized avatar animation for virtual reality
PublicationThe paper presents a method for creating a personalized animation of avatar for virtual reality application such as multiplayer on-line games. Animation is stored in a simplified version, containing only keyframes for important avatar poses. This version defines key movements, i.e. roughly describes the avatar's action. Animation is enriched by the user with new motion phases utilizing fuzzy descriptors.Various degrees of motion...
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Teaching architectural history through virtual reality
PublicationThe impact of implementing 3D models and virtual reality in teaching the theory of architecture and architectural history is the theme of this article. Virtual reality and easy-to-use 3D tools allow a whole historic object to be visualised. As a result, there is social and economic pressure to modernise present educational methods using this technology. Therefore, the authors have focused their research on an issue of significance...
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Virtual Reality and Intelligent Hardware
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Hardware accelerated thin client for virtual reality applications
PublicationThin client applications often make minimal use of hardware available at the client side. This article focuses on the problem of creating portable thin client application for virtual reality applications, which allows use of client graphics hardware to aid rendering process. Some already available potential solutions are presented and entirely new protocol for client-server communication is presented to allow fast and reliable...
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Simple gait parameterization and 3D animation for anonymous visual monitoring based on augmented reality
PublicationThe article presents a method for video anonymization and replacing real human silhouettes with virtual 3D figures rendered on a screen. Video stream is processed to detect and to track objects, whereas anonymization stage employs animating avatars accordingly to behavior of detected persons. Location, movement speed, direction, and person height are taken into account during animation and rendering phases. This approach requires...