Abstract
In this paper, we proposed a robust finger tap gesture recognition method and examined the feedback function when operating information devices using finger tap gestures. A finger tap gesture recognition method using hall sensors and gyro sensors achieved a high recognition rate without causing false detection. However, when operating information devices with finger tap gestures, there are the following two problems. The first is that it is recognized as a gesture different from the intended gesture, and the second is that the user’s subjective gesture success or failure differs from the actual gesture success or failure. If the above phenomenon occurs, the user cannot operate the information device smoothly. In this paper, we aimed to make it possible for the user to quickly grasp the state of the information device and take appropriate actions by presenting the user with immediate feedback according to the type of gesture immediately after the successful gesture. As for the types of immediate feedback, tactile feedback and sound feedback were prepared and compared those feedback condition. As a result, it was found that by giving immediate feedback, the user can properly grasp the state of the information device and quickly per-form appropriate operations. Furthermore, when comparing tactile feedback and sound feedback, the operational performance tended to be higher for tactile feedback, and the subjective evaluation tended to be higher for sound feedback.
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