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handle: 10261/130854
Este artículo presenta un estudio preliminar que analiza el rendimiento de usuarios con parálisis cerebral (CP) en el manejo del ordenador a través de una interfaz inercial basada en movimientos de la cabeza y un novedoso algoritmo de facilitación del clic, MouseField. El algoritmo está basado en técnicas de botones expansibles y campos gravitatorios, de gran utilidad en interfaces de acceso alternativo al computador para personas con trastornos motores moderados y severos. Once usuarios con CP participaron en una serie de tests para la comparación del rendimiento alcanzado con una interfaz inercial de acceso al computador frente al rendimiento de esa misma complementada con MouseField. En promedio, la mejora en el rendimiento fue del 28% para tareas de apuntamiento y selección, lo cual demuestra el potencial del algoritmo para el manejo de interfaces más complejas, p.e. de comunicación alternativa aumentativa en terapias de rehabilitación.[ES]
This paper presents a preliminary study to evaluate the performance of users with cerebral palsy (CP) using an inertial human-computer interface (HCI) based on head movements and a novel algorithm that makes the click easier to users with disability named MouseField. The algorithm is based on expandable buttons and gravity fields, used in the design of alternative HCIs for users with mild to severe motor disorders. Eleven users with CP participated in a series of tests that analyzed the performance in a reach and click task using an inertial interface with and without the MouseField algorithm. In average, the improvement of the performance was 28% with MouseFiled. This proves that the algorithm could be applied to more complex interfaces, e.g. those for augmentative and alternative communication (AAC) to be used in rehabilitation therapies.[EN]
ASPACE Cantabria por su colaboración en los trabajos de desarrollo de la interfaz y la técnica. Este trabajo se encuentra en el marco del Proyecto INTERPLAY, financiado por MINECO RTC-2014-1812-1.
Peer reviewed
Interfaz persona-computador, Human-computer interface (HCI), Algoritmos, movimientos de cabeza, Cerebral palsy, Parálisis cerebral, Head movements, Algorithms
Interfaz persona-computador, Human-computer interface (HCI), Algoritmos, movimientos de cabeza, Cerebral palsy, Parálisis cerebral, Head movements, Algorithms
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