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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Depth Estimation Through the Projection of Rotating Mirror Image unto Mono-camera

회전 평면경 영상의 단일 카메라 투영에 의한 거리 측정

  • Kim, Hyeong-Seok (Dept.of Electronics Information Engineering, Chonbuk National University) ;
  • Song, Jae-Hong (Dept.of Electronics Information Engineering, Chonbuk National University) ;
  • Han, Hu-Seok (Korea Electrical Engineering and Science Research Institute)
  • 김형석 (전북대학교 전자정보공학부) ;
  • 송재홍 (전북대학교 전자정보공학부) ;
  • 한후석 (기초전력공학공동연구소)
  • Published : 2001.09.01
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Abstract

A simple computer vision technology to measure the middle-ranged depth with a mono camera and a plain mirror is proposed. The proposed system is structured with the rotating mirror in front of the fixed mono camera. In contrast to the previous stereo vision system in which the disparity of the closer object is larger than that of the distant object, the pixel movement caused by the rotating mirror is bigger for the pixels of the distant object in the proposed system. Being inspired by such distinguished feature in the proposed system, the principle of the depth measurement based on the relation of the pixel movement and the distance of object is investigated. Also, the factors to influence the precision of the measurement are analysed. The benefits of the proposed system are low price and less chance of occlusion. The robustness for practical usage is an additional benefit of the proposed vision system.

Keywords

References

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