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Unintended changes in the utilization of resources like CPU and memory can lead to severe problems for the operation of robotics and intelligent systems. Still, systematic testing for such performance regressions has largely been ignored in this domain. We present a method to specify and execute performance tests for individual components of component-based robotics systems based on their component...
We present a novel fault detection method for application in component-based robotic systems. In contrast to existing work, our method specifically addresses faults in the software system of the robot using a data-driven methodology which exploits the inter-process communication of the system. This enables an application of the approach without expert knowledge or availability of complex software...
We introduce a new conversational Human-Robot-Interaction (HRI) dataset with a real-behaving robot inducing interactive behavior with and between humans. Our scenario involves a humanoid robot NAO1 explaining paintings in a room and then quizzing the participants, who are naive users. As perceiving nonverbal cues, apart from the spoken words, plays a major role in social interactions and socially-interactive...
We introduce Ravel (Robots with Audiovisual Abilities), a publicly available data set which covers examples of Human Robot Interaction (HRI) scenarios. These scenarios are recorded using the audio-visual robot head POPEYE, equipped with two cameras and four microphones, two of which being plugged into the ears of a dummy head. All the recordings were performed in a standard room with no special equipment,...
In this paper we address the problem of audio-visual speaker detection. We introduce an online system working on the humanoid robot NAO. The scene is perceived with two cameras and two microphones. A multimodal Gaussian mixture model (mGMM) fuses the information extracted from the auditory and visual sensors and detects the most probable audio-visual object, e.g., a person emitting a sound, in the...
This paper presents the Robotics Service Bus (RSB), a new message-oriented, event-driven middleware based on a logically unified bus with hierarchical structure. Major goals for the development of RSB were openness and scalability in order to integrate diverse components in the context of robotics and intelligent systems. This includes the ability to operate on embedded platforms as well as desktop...
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