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논문 기본 정보

자료유형
학술대회자료
저자정보
Chaewon Park (POSTECH(Pohang University of Science and Technology)) Junwoo Jason Son (POSTECH(Pohang University of Science and Technology)) Soohee Han (POSTECH(Pohang University of Science and Technology))
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2022
발행연도
2022.11
수록면
1,771 - 1,775 (5page)

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초록· 키워드

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The localization of mobile robots is the core function for the various solutions utilizing autonomous mobile robots. By comparison with 3D LiDAR which is expensive and bulky, the time-of-flight (ToF) camera is inexpensive and can be miniaturized. So it can greatly contribute to the diffusion of autonomous mobile robots. However, due to the limitations, such as mixed pixel effect and multipath interference, the measurement of ToF camera is noisy and inaccurate. Therefore, in order to obtain high-quality pose estimation with the low-cost ToF camera, a preprocessing process and localization algorithm considering the characteristics of the ToF camera are essential. We experimented with the possibility of localization using a multi-ToF camera system. In consideration of the FoV of the ToF camera, the scan data was acquired using a mobile robot with a multi-ToF camera system. The scan data was analyzed by comparing it with the high-resolution map acquired with the high-precision 3D LiDAR, and a preprocessing process for localization was implemented, taking account of the analyzed characteristics. By building the localization algorithm utilizing the iterative closest point (ICP) algorithm, the possibility of localization using the multi-ToF camera system was demonstrated.

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Abstract
1. INTRODUCTION
2. SYSTEM STRUCTURE
3. METHOD
4. EXPERIMENTS AND RESULTS
5. CONCLUSION
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