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"Active Click" is a new interface mechanism for addling tactile feedback to touch panels. A small actuator is attached to a body of PDA or the backside of a touch panel. The tactile feedback, created by driving the actuator with a short pulse, is perceived by the grasping hand or tapping finger-tip when the panel is tapped. Active Click is effective in(More)
ABSTRUCT This paper presents a human pointing action recognizing system called Finger-Pointer. This system recognizes pointing actions and simple hand forms in real-time by an image sequence processing of stereoscopic TV cameras. The operator does not need to wear any special devices such as Data-Glove. Fast image processing algorithms employed in this(More)
A headphone-type gaze detector for a full-time wearable interface is proposed. It uses a Kalman filter to analyze multiple channels of EOG signals measured at the locations of headphone cushions to estimate gaze direction. Evaluations show that the average estimation error is 4.4® (horizontal) and 8.3® (vertical), and that the drift is suppressed(More)
To increase the security of handheld devices, we propose awareLESS authentication. Since insensible input prevents the leakage of the key information, it can provide more secure authentication scheme. Experiments that used a pressure sensor show that users can input a preset rhythm by insensible finger motion, and the boundary between insensible and(More)