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It is important for intelligent robots to detect the location of user even though the user is not captured by vision cameras. Sound source localization is a technique to detect the direction of sound source using multiple microphones. It enables the robot to respond to the user's call. Sometimes, a robot operates in echoic room, but the performance of sound source localization in echoic room is very...
Recently, many researchers have carried out works on audio-video integration. It is worth exploring because service robots are supposed to interact with human beings using both visual and auditory sensors. In this paper, we propose an audio-video method for sound source localization in reverberant environment. Using visual information from a vision camera, we could train our audio localizer to distinguish...
In this paper, a new 3D-PDD (Position Determination Device) is developed based on PSD (Position Sensitive Detector) sensor. Vision sensor uses PSD camera modules, and relative position and distance from a target point to PSD sensors are calculated via stereo vision. A LED driver module at target point consists of IR LEDs and LED driver chip, and emits Infrared Ray proportional to the relative distance...
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