Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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An Approach for Localization Around Indoor Corridors Based on Visual Attention Model

시각주의 모델을 적용한 실내 복도에서의 위치인식 기법

  • 윤국열 (인하대학교 정보통신공학부) ;
  • 최선욱 (인하대학교 정보통신공학부) ;
  • 이종호 (인하대학교 정보통신공학부)
  • Received : 2010.11.15
  • Accepted : 2010.12.20
  • Published : 2011.02.01
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Abstract

For mobile robot, recognizing its current location is very important to navigate autonomously. Especially, loop closing detection that robot recognize location where it has visited before is a kernel problem to solve localization. A considerable amount of research has been conducted on loop closing detection and localization based on appearance because vision sensor has an advantage in terms of costs and various approaching methods to solve this problem. In case of scenes that consist of repeated structures like in corridors, perceptual aliasing in which, the two different locations are recognized as the same, occurs frequently. In this paper, we propose an improved method to recognize location in the scenes which have similar structures. We extracted salient regions from images using visual attention model and calculated weights using distinctive features in the salient region. It makes possible to emphasize unique features in the scene to classify similar-looking locations. In the results of corridor recognition experiments, proposed method showed improved recognition performance. It shows 78.2% in the accuracy of single floor corridor recognition and 71.5% for multi floor corridors recognition.

Keywords

References

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