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심층학습 기반 차선 분할과 최적 추정기를 이용한 자율주행차 차선인식 기법
조연호(Yeon-Ho Jo),이덕진(Deok-Jin Lee) 제어로봇시스템학회 2022 제어·로봇·시스템학회 논문지 Vol.28 No.4
Road lane-line detection systems are crucial for assisting human drivers in various driving scenes. Nowadays, these systems have become more critical for autonomous cars. In recent years, many advanced lane detection and tracking methods have been studied. However, most approaches focus on detecting lanes by performing conventional image processing on a single frame. Often, the lack of distinguishing features and the presence of extreme weather conditions such as dense rain or snow makes these algorithms lose their accuracy. In this work, deep learning is merged as a tool to address these issues. A modified version of the LaneNet algorithm was designed as a road lane detector, in which the front image was passed as input to the encoder model. Consequently, the road lanes could be robustly detected even if they were discrete or unclear. For lane curvature estimation, a Kalman filter was utilized, which took the results obtained from the LaneNet detection module as input. The detection results were compared with those obtained using the conventional Hough transformation. The obtained results demonstrate the effectiveness of our approach.
정보보안솔루션 보안성 지속 서비스 대가 산정 정책 연구
조연호(Yeon-ho Jo),이용필(Yong-pil Lee),임종인(Jong-in Lim),이경호(Kyoung-ho Lee) 한국정보보호학회 2015 정보보호학회논문지 Vol.25 No.4
정보보안솔루션은 구축 후 일반적인 유지관리 활동 외에 외부 위협요인(공격)으로부터 보안성을 지속시키기 위해, 악성코드 분석 및 보안업데이트, 보안정책관리, 위협/사고분석, 보안성 인증 효력 유지, 보안기술자문 등의 추가활동이 수반되지만, 제공된 서비스만큼의 대가를 적용받지 못하는 현실적 문제점이 상존한다. 이에, 본 연구에서는 국내 정보보안솔루션의 보안성 지속을 위한 서비스 현황을 분석하고, 정보보안솔루션의 특성을 고려한 보안성 지속 서비스 대가가 반영될 수 있는 정책적 방안을 제시한다. Once information security solution is implemented, it requires many services other than just general user management, such as malicious code analysis and security updated for consistent security against external threats or attacks, analysis of threat and attack, effectivity management of obtained security assurance, and advisory activities of security technical professionals. However, even if information security solutions provide those extra services, they are not properly treated in real market. Thus, for the security sustainable services, this study analyzes the service status of domestic information security, and suggest policy measure of price which could reflected the characteristics of information security solutions.