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박기원 ( Gi-won Park ),이건우 ( Geon-woo Lee ),유준혁 ( Junhyeok Yu ),김신형 ( Shin-hyoung Kim ) 한국정보처리학회 2021 한국정보처리학회 학술대회논문집 Vol.28 No.2
블랙박스의 기능을 차에 접목하여 영상을 클라우드 서버를 통하여 확인 가능하며, 메모리카드를 통해 영상을 확인하는 번거로움을 줄이고 PC 및 스마트폰을 통해 실시간으로 블랙박스 영상을 확인할 수 있으며 사고 당시 사용자의 엑셀, 브레이크 작동상태 및 핸들 제어 기록 등을 확인 할 수 있다. 또한 클라우드 서비스를 활용하여 블랙박스의 영상을 인공지능 객체 인식을 통해 차량 사고의 정확한 파악과 사고처리 간편화에 목표를 두었다. 사고시 일어나는 화재, 침수, 파손 등의 블랙박스 자체의 손실이 일어나도 영상을 보존할 수 있는 대책을 마련할 수 있다. 실제 주행하는 실험조건에서 객체 인식 및 로그 기록 기능을 제공함으로써 사고 발생 즉시 정확한 전후 상황을 파악할 수 있음을 확인했다. The function of the black box can be combined with a car to check the video through a cloud server, reduce the hassle of checking the video through a memory card, check the black box image in real time through a PC and smartphone, and check the user's Excel, brake operation status, and handle control record at the time of the accident. In addition, the goal was to accurately identify vehicle accidents and simplify accident handling through artificial intelligence object recognition of black box images using cloud services. Measures can be prepared to preserve images even if the black box itself loses, such as fire, flooding, or damage that occurs in an accident. It has been confirmed that the exact situation before and after the accident can be grasped immediately by providing object recognition and log recording functions under actual driving experimental conditions.
이선기(Sun-Gi Lee),김원기(Won-Gi Kim),김상국(Sang-Kook Kim),김도수(Do-Soo Kim),류시찬(Shi-Chan Ryu),전상식(Sang-Sik Jeon),박기원(Kee-Won Park),방소영(So-Young Bang),김연희(Yeon-Hee Kim),남재철(Jae-Cheol Nam) 한국기상학회 2005 대기 Vol.15 No.4
This study was conducted to estimate how vertically high and horizontally long a sea breeze occurred around Gangneung of the Korean peninsula would be reached to an inland. Geographically, gangneung is located on the center of the east coast shaping an arc, and a coastal line around gangneung has a form extending northwestward and southeastward, respectively. Therefore, an inflow of the northerly has similar effects of the sea breeze since a deep valley of Daegwallyeong, which is one of main ridges of the Taebaek mountains, not only reaches northeastward up to this region but also plays the part of the steering gear changing a wind direction from northerly to easterly, this is, the wind from sea. First of all, the study had defined the sea breeze as a wind blown from NNE to ESE, clockwise. And then, we analyzed characteristics of the sea breeze occurred around gangneung in view of the maximum wind speed and the wind direction for October 1st, 2003 through September 30th, 2004, the upper air database for May through June of 2004, and the wind vector database of AWS (Automatic Weather System). All meteorological information is collected at the weather station of gangneung and by the AWS which is being scattered around this region. Finally, the study figures out that how horizontally long a sea breeze would be reached depends on a level of the easterly inflow. At the first step of the inflow of the sea breeze, the wind from NNW blows into this region by keeping up the speed 3 m·s-1, and effects of the northerly are dominated with time and the wind at the inland blows out southwestward cause of the surface friction at the next step. On the other hand, there is no change of wind direction in the inflow at Daegwallyeong because a surface friction of there is smaller than around gangneung, relatively. In other word, the easterly blows toward Daegwallyeong. However, the wind speed is not higher than that of the coast around gangneung.