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In mobile robotic applications, visual information needs to be processed fast despite resource limitations of the mobile system. Here, a novel real-time framework for model-free spatiotemporal segmentation of stereo videos is presented. It combines real-time optical flow and stereo with image segmentation and runs on a portable system with an integrated mobile graphics processing unit. The system performs online, automatic, and dense segmentation of stereo videos and serves as a visual front end for preprocessing in mobile robots, providing a condensed representation of the scene that can potentially be utilized in various applications, e.g., object manipulation, manipulation recognition, visual servoing. The method was tested on real-world sequences with arbitrary motions, including videos acquired with a moving camera.
Circuits and Systems for Video Technology, IEEE Transactions on (Volume:22 , Issue: 9 )
Date of Publication: Sept. 2012