A Novel Gaze-Point-Driven HRI Framework for Single-Person
Abstract: Human-robot interaction (HRI) is a required method of information interaction in the age of intelligence. The new human-robot collaboration work mode is based on this information interaction method. Most of the existing HRI strategies have some limitations: Firstly, limb-based HRI relies heavily on the user’s physical movements, making interaction impossible when physical activity is limited. Secondly, voice-based HRI is vulnerable to noise in the interaction environment. Lastly, while gaze-based HRI reduces the reliance on physical movements and the impact of noise in the interaction environment, external wearables result in a less convenient and natural interaction process and increase costs. This paper proposed a novel gaze-point-driven interaction framework using only RGB cameras to provide a more convenient and less restricted way of interaction. At first, gaze points are estimated from images captured by cameras. Then, targets can be determined by matching these points and positions of objects. At last, objects gazed at by an interactor can be grabbed by the robot. Experiments under conditions of different lighting, distances, and different users on the Baxter robot show the robustness of this framework.
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