Morteza Behrooz

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Object recognition and manipulation are critical in enabling robots to interact with objects in a household environment. Construction of 3D object recognition databases is time and resource intensive, often requiring specialized equipment, and is therefore difficult to apply to robots in the field. We present a system for constructing object models for 3D(More)
Object recognition and manipulation are critical for enabling robots to operate in household environments. Many grasp planners can estimate grasps based on object shape, but they ignore key information about non-visual object characteristics. Object model databases can account for this information, but existing methods for database construction are time and(More)
We summarize the status of an ongoing project to develop and evaluate a companion for isolated older adults. Four key scientific issues in the project are: embodiment, interaction paradigm, engagement and relationship. The system architecture is extensible and handles realtime behaviors. The system supports multiple activities, including discussing the(More)
We summarize the status of an ongoing project to develop and evaluate a companion for isolated older adults. Four key scientific issues in the project are: embodiment, interaction paradigm, engagement and relationship. The system architecture is extensible and handles realtime behaviors. The system supports multiple activities, including discussing the(More)
We report on the results of evaluating a virtual agent that plays games with automatically generated social comments and social gaze. The agent played either a card game (rummy) or a board game (checkers) with each of 31 participants. Based on objective and subjective measures, the agent using social comments and gaze was preferred to both a version of the(More)
The majority of Procedural Content Generation (PCG) research has made use of human authored rules, heuristics and evaluation metrics. Machine learning techniques have gone relatively unused in PCG. We introduce a data-driven level generation approach, and apply it to the of dungeons for Zelda-like Action Roleplaying Games (ARPGs). We use Bayesian Networks(More)
We summarize the status of an ongoing project to develop and evaluate a companion, embodied as a robot or virtual agent, for isolated older adults. Three key issues in the project are: the embodiment of the agent, methods to reduce social isolation, and the nature of the social relationship between the user and the agent. Our agent/robot supports multiple(More)
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