Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

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Detecting Nighttime Pedestrians for PDS Using Camera in Visible Spectrum

가시 스펙트럼 대역 카메라를 사용하는 PDS를 위한 야간 보행자 검출

  • Lee, Wang-Hee (Division of Electrical, Electronic & Computer Engineering, Chonbuk University) ;
  • Yoo, Hyeon-Joong (Department of IT Engineering, Sangmyung University) ;
  • Kim, Hyoung-Suk (Division of Electrical, Electronic & Computer Engineering, Chonbuk University) ;
  • Jang, Young-Bum (Department of IT Engineering, Sangmyung University)
  • 이왕희 (전북대학교 산학협력단) ;
  • 유현중 (상명대학교 정보통신공학과) ;
  • 김형석 (전북대학교 전기전자컴퓨터학부) ;
  • 장영범 (상명대학교 정보통신공학과)
  • Published : 2009.09.30
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Abstract

The death rate of pedestrians in car accidents in Korea is about 2.5 times higher than the average of OECD countries'. If a system that can detect pedestrians and send alarm to driver is built and reduces the rate, it is worth developing such a pedestrian detection system (PDS). Since the accident rate in which pedestrians are involved is higher at nighttime than in daytime, the adoption of nighttime PDS is being standardized by big auto companies. However, they are usually using expensive night visions or multiple sensors for their PDS. In this paper we propose a method for nighttime PDS using a monochrome visible spectrum camera. We could verify its superiority in both performance and real?time operation to existing algorithm through tests against video data taken in several different environments.

자동차 주요 생산국인 우리나라 보행자의 교통사고 사망률은 OECD 평균의 약 2.5배에 달한다. 보행자를 감지하고 운전자에게 경보를 보내주는 시스템이 개발되어 보행자 교통사고를 조금이라도 줄일 수 있다면, 그 자체만으로도 보행자 감지 시스템(PDS)의 가치는 충분할 것이다. 보행자 교통사고율은 야간에 특히 그 비율이 더 높기 때문에, 야간 보행자 감지 시스템이 주요 자동차 회사에 의해 점점 표준 사양으로 채택되어 가고 있는데, 그들은 주로 고가의 나이트비젼 또는 복합적 센서를 사용하는 장비를 채택하고 있다. 본 논문에서는 흑백 카메라 한 대만을 사용하는 PDS를 위한 보행자 영역 검출 기법을 제안한다. 몇몇 다른 환경에서 촬영된 야간 동영상에 대해 실험한 결과, 제안 알고리듬이 기존 알고리듬보다 더 빠르면서도 보행자 후보 영역을 더 정확하게 검출함을 관찰할 수 있었다.

Keywords

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