Comput Methods Programs Biomed - Design of an efficient framework for fast prototyping of customized human-computer interfaces and virtual environments for rehabilitation.

Tópicos

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Resumo

Rehabilitation is often required after stroke, surgery, or degenerative diseases. It has to be specific for each patient and can be easily calibrated if assisted by human-computer interfaces and virtual reality. Recognition and tracking of different human body landmarks represent the basic features for the design of the next generation of human-computer interfaces. The most advanced systems for capturing human gestures are focused on vision-based techniques which, on the one hand, may require compromises from real-time and spatial precision and, on the other hand, ensure natural interaction experience. The integration of vision-based interfaces with thematic virtual environments encourages the development of novel applications and services regarding rehabilitation activities. The algorithmic processes involved during gesture recognition activity, as well as the characteristics of the virtual environments, can be developed with different levels of accuracy. This paper describes the architectural aspects of a framework supporting real-time vision-based gesture recognition and virtual environments for fast prototyping of customized exercises for rehabilitation purposes. The goal is to provide the therapist with a tool for fast implementation and modification of specific rehabilitation exercises for specific patients, during functional recovery. Pilot examples of designed applications and preliminary system evaluation are reported and discussed.

Resumo Limpo

rehabilit often requir stroke surgeri degen diseas specif patient can easili calibr assist humancomput interfac virtual realiti recognit track differ human bodi landmark repres basic featur design next generat humancomput interfac advanc system captur human gestur focus visionbas techniqu one hand may requir compromis realtim spatial precis hand ensur natur interact experi integr visionbas interfac themat virtual environ encourag develop novel applic servic regard rehabilit activ algorithm process involv gestur recognit activ well characterist virtual environ can develop differ level accuraci paper describ architectur aspect framework support realtim visionbas gestur recognit virtual environ fast prototyp custom exercis rehabilit purpos goal provid therapist tool fast implement modif specif rehabilit exercis specif patient function recoveri pilot exampl design applic preliminari system evalu report discuss

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