Dadhichi Shukla

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Deictic gestures - pointing at things in human-human collaborative tasks - constitute a pervasive, non-verbal way of communication, used e.g. to direct attention towards objects of interest. In a human-robot interactive scenario, in order to delegate tasks from a human to a robot, one of the key requirements is to recognize and estimate the pose of the(More)
This paper describes the kinds of strategies naïve users of an industrial robotic platform make use of and analyze how these strategies are adjusted based on the robot's feedback. The study shows that users' actions are contingent on the robot's response to such a degree that users will try out alternative instruction strategies if they do not see an(More)
Hand gestures are one of the natural forms of communication in human-robot interaction scenarios. They can be used to delegate tasks from a human to a robot. To facilitate human-like interaction with robots, a major requirement for advancing in this direction is the availability of a hand gesture dataset for judging the performance of the proposed(More)
We present the principles, current work and plans for the EU-FP7 Project Semi Autonomous 3rd-Hand Robot. In this project, we pursue a breakthrough in flexible manufacturing by developing a symbiotic robot assistant that acts as a third hand of a human worker. It will be straightforward to instruct even by untrained workers and allow for efficient knowledge(More)
Understanding semantic meaning from hand gestures is a challenging but essential task in human-robot interaction scenarios. In this paper we present a baseline evaluation of the Innsbruck Multi-View Hand Gesture (IMHG) dataset [1] recorded with two RGB-D cameras (Kinect). As a baseline, we adopt a probabilistic appearance-based framework [2] to detect a(More)
A micro-analysis of the timing of people's actions in close human-robot collaborations shows that people expect robots to attend to interactional achievements in the same way as humans do; that is, they expect that in a repeated task, the robot builds on the common ground acquired in the previous interaction. This expectation is revealed through increased(More)
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