ICRA'09 Paper Abstract


Paper FrC2.4

Eidenberger, Robert (Johannes Kepler University Linz), Grundmann, Thilo (Siemens AG), Zöllner, Raoul (Siemens AG)

Probabilistic Action Planning for Active Scene Modeling in Continuous High-Dimensional Domains

Scheduled for presentation during the Regular Sessions "Computer Vision for Robotics and Automation - IV" (FrC2), Friday, May 15, 2009, 14:30−14:50, Room: ICR

2009 IEEE International Conference on Robotics and Automation, May 12 - 17, 2009, Kobe, Japan

This information is tentative and subject to change. Compiled on January 21, 2022

Keywords Computer Vision for Robotics and Automation, Planning, Scheduling and Coordination, Service Robots


In active perception systems for scene recognition the utility of an observation is determined by the information gain in the probability distribution over the state space. The goal is to find a sequence of actions which maximizes the system knowledge at low resource costs. Most current approaches focus either on optimizing the determination of the payoff neglecting the costs or develop sophisticated planning strategies for simple reward models.

This paper presents a probabilistic framework which provides an approach for sequential decision making under model and state uncertainties in continuous and high-dimensional domains. The probabilistic planner, realized as a partially observable Markov decision process (POMDP), reasons by considering both, information theoretic quality criteria of probability distributions and control action costs.

In an experimental setting an autonomous service robot uses active perception techniques for efficient object recognition in complex multi-object scenarios, facing the difficulties of object occlusion. Due to the high demand on real time applicability the probability distributions are represented by mixtures of Gaussian to allow fast, parametric computation.



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