A salient region detection model combining background distribution measure for indoor robots

Na Li, Hui Xu, Zhenhua Wang, Lining Sun and Guodong Chen

PLOS ONE, 2017, vol. 12, issue 7, 1-25

Abstract: Vision system plays an important role in the field of indoor robot. Saliency detection methods, capturing regions that are perceived as important, are used to improve the performance of visual perception system. Most of state-of-the-art methods for saliency detection, performing outstandingly in natural images, cannot work in complicated indoor environment. Therefore, we propose a new method comprised of graph-based RGB-D segmentation, primary saliency measure, background distribution measure, and combination. Besides, region roundness is proposed to describe the compactness of a region to measure background distribution more robustly. To validate the proposed approach, eleven influential methods are compared on the DSD and ECSSD dataset. Moreover, we build a mobile robot platform for application in an actual environment, and design three different kinds of experimental constructions that are different viewpoints, illumination variations and partial occlusions. Experimental results demonstrate that our model outperforms existing methods and is useful for indoor mobile robots.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0180519

DOI: 10.1371/journal.pone.0180519

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