Modeling virtual object behavior within virtual environment

Lee, Gun; Kim, Gerard Jounghyun; Park, Chan-Mo

doi:10.1145/585740.585748

Cited by 35 publications

(12 citation statements)

References 14 publications

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“…Our research purpose is to clarify software architecture that makes it easier to develop 3D graphics applications including such body action 3D games. Its related works are Virtual Reality construction toolkit systems [Geiger et al 2000] [Kallmann and Thalmann 1999] [Lee et al 2002]. Those have functionalities to develop immersive virtual environments.…”

Section: Related Workmentioning

confidence: 99%

Component-based approach for prototyping of movie-based physical therapy games

Okada

Ogata

Matsuguma

2012

Proceedings of the Workshop at SIGGRAPH Asia

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This paper treats a component-based approach for the prototyping of movie-based physical therapy games. The research group of the authors has already proposed a component-based 3D software development system called IntelligentBox. One of the application fields of IntelligentBox is the development of 3D games. In this paper, the authors want to validate the availability of IntelligentBox for the prototype development of movie-based physical therapy games that require simple body actions such as dances. Although physical therapy games needs various types of inputs for human body actions, IntelligentBox has already supported a videobased motion input, a motion capture system input, a data-glove input and so on. Also, physical therapy games need much tuning according to each of rehabilitants because their physical disability levels are different. Therefore, therapists have to frequently change many parameters such as a body action speed, difficulty levels of body actions, etc. For this point, the component-based approach is significant. To validate this, the authors introduce one of the simple dance games as physical therapy games actually being developed using IntelligentBox.

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Section: Related Workmentioning

confidence: 99%

Component-based approach for prototyping of movie-based physical therapy games

Okada

Ogata

Matsuguma

2012

Proceedings of the Workshop at SIGGRAPH Asia

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“…The idea of immersive 3D authoring has gained wide attention in the research community (e.g. [9]) and in commercial systems such as Virtools. Freeman et al [4] apply immersive authoring principles to AR in order to interactively model virtual objects resembling their physical counterparts.…”

Section: Related Workmentioning

confidence: 99%

Massively Multiplayer Online Worlds as a Platform for Augmented Reality Experiences

Lang

Maclntyre

Zugaza

2008

2008 IEEE Virtual Reality Conference

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Massively Multiplayer Online Worlds (MMOs) are persistent virtual environments where people play, experiment and socially interact. In this paper, we demonstrate that MMOs also provide a powerful platform for Augmented Reality (AR) applications, where we blend together locations in physical space with corresponding places in the virtual world. We introduce the notion of AR stages, which are persistent, evolving spaces that encapsulate AR experiences in online three-dimensional virtual worlds. We discuss the concepts and technology necessary to use an MMO for AR, including a novel set of design concepts aimed at keeping such a system easy to learn and use. By leveraging the features of the commercial MMO Second Life, we have created a powerful AR authoring environment accessible to a large, diverse set of users.

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“…Alphanumeric input can be used with VR based walkthrough systems for note taking and annotations. Future immersive authoring could find a good use for a "usable" alphanumeric input method [Lee et al 2002]. Here, we emphasize the aspect of usability such as the ease of use and learning, fast input, and minimal intrusiveness.…”

Section: Introductionmentioning

confidence: 99%

Using keyboards with head mounted displays

Kim

2004

Proceedings of the 2004 ACM SIGGRAPH International Conference on Virtual Reality Continuum and Its Applications in Industry - V

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Alphanumeric input is often required in many computer applications. Virtual reality (VR) applications are no exception. For instance, enabling the alphanumeric input can augment a typical VR based walkthrough system so that the user can make notes and annotations.However, methods for efficient alphanumeric input for HMD-based VR systems have only been treated in a limited way. A most typical approach is to use a virtual keyboard so that the users can leverage upon one's typing skill. However, such an approach requires intricate and difficult finger tracking and poses usability problems. Thus, we propose to use a real keyboard as a tangible interface to the virtual keyboard and provide natural haptic/tactile feedback. Instead of tracking the fingers with cumbersome devices, this paper demonstrates that finger positions can be approximated at sufficient accuracy for the typing task by only tracking the two hands. The concept of continuous calibration is introduced to compensate for the dynamically changing errors from the tracking devices, sensor positions, keyboard positions and assumed default hand sizes. The proposed alphanumeric input system is empirically compared to that of the real through an experiment, and the results show that users can indeed obtain near-real performance out of such a system.

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Modeling virtual object behavior within virtual environment

Cited by 35 publications

References 14 publications

Component-based approach for prototyping of movie-based physical therapy games

Component-based approach for prototyping of movie-based physical therapy games

Massively Multiplayer Online Worlds as a Platform for Augmented Reality Experiences

Using keyboards with head mounted displays

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