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논문 기본 정보

자료유형
학술대회자료
저자정보
Masumi Hashimoto (Akita Prefectural University) Hirokazu Madokoro (Akita Prefectural University) Kanji Watanabe (Akita Prefectural University) Masayuki Nishiguchi (Akita Prefectural University) Satoshi Yamamoto (Akita Prefectural University) Hanwool Woo (Akita Prefectural University) Kazuhito Sato (Akita Prefectural University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2019
발행연도
2019.10
수록면
1,583 - 1,588 (6page)

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초록· 키워드

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This paper presents a method of estimating the direction and position of mallards from voice information using arrayed microphones combined with delay-and-sum beamforming. Rice farming using mallards saves labor because mallards work instead of farmers. Nevertheless, the number of mallards declines when they are preyed upon by natural enemies such as crows, kites, and weasels. We consider that efficient management can be achieved from locating and identifying the locations of mallards and natural enemies using voice information that can be widely sensed in a paddy field. For this study, we developed a prototype system with 32 microphones installed as an array installed on our originally designed and assembled mount. We obtained benchmark sound datasets in an outdoor environment that comprises 18 grid points of 40 m width and 30 m depth. For direction estimation, no detection angle error occurred at 9 points. Estimation errors were increased at sharp-angle positions from the microphone array. For position estimation, our method correctly estimated 8 points.

목차

Abstract
1. INTRODUCTION
2. PROPOSED METHOD
3. MEASUREMENT SYSTEM
4. EVALUATION EXPERIMENT
5. CONCLUSION
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