19-10-2012, 05:53 PM
Abstract of Human-Robot Interaction
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ABSTRACT
A very important aspect in developing robots capa¬ble of Human-Robot Interaction (HRI) is the research in natural, human-like communication, and subsequently, the development of a research platform with multiple HRI capabilities for evaluation. Besides a flexible dialog system and speech understanding, an an¬thropomorphic appearance has the potential to support intuitive usage and understanding of a robot, e.g .. human-like facial ex¬pressions and deictic gestures can as well be produced and also understood by the robot. As a consequence of our effort in creating an anthropomorphic appearance and to come close to a human-¬human interaction model for a robot, we decided to use human-like sensors, i.e., two cameras and two microphones only, in analogy to human perceptual capabilities too.
Despite the challenges resulting from these limits with respect to perception, a robust attention sys-tem for tracking and interacting with multiple persons simultane¬ously in real time is presented. The tracking approach is sufficiently generic to work on robots with varying hardware, as long as stereo audio data and images of a video camera are available. To easily implement different interaction capabilities like deictic gestures, natural adaptive dialogs, and emotion awareness on the robot, we apply a modular integration approach utilizing XML-based data exchange. The paper focuses on our efforts to bring together dif¬ferent interaction concepts and perception capabilities integrated on a humanoid robot to achieve comprehending human-oriented interaction.