In this paper, a method using multiple cameras to detect leakage and estimate the three-dimensional coordinates of the leakage location is presented. Leakage is detected by each camera using MADI(Moving Average Differential Image) and histogram analysis. The twodimensional leakage location is estimated using the detected leakage area. | A leak detection and 3D source localization method on a plant piping system by using multiple cameras Nuclear Engineering and Technology 51 (2019) 155e162 Contents lists available at ScienceDirect Nuclear Engineering and Technology journal homepage: Original Article A leak detection and 3D source localization method on a plant piping system by using multiple cameras Se-Oh Kim a, Jae-Seok Park a, Jong Won Park b, * a SAE-AN Engineering Co., RM910, Byuksan Digital Valley Ⅱ, 184, Gasan Digital 2-ro, Geumcheon-gu, Seoul, 08501, Republic of Korea b Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea a r t i c l e i n f o a b s t r a c t Article history: To reduce the secondary damage caused by leakage accidents in plant piping systems, a constant sur- Received 30 January 2018 veillance system is necessary. To ensure leaks are promptly addressed, the surveillance system should be Received in revised form able to detect not only the leak itself, but also the location of the leak. Recently, research to develop new 20 September 2018 methods has been conducted using cameras to detect leakage and to estimate the location of leakage. Accepted 21 September 2018 Available online 22 September 2018 However, existing methods solely estimate whether a leak exists or not, or only provide two-dimensional coordinates of the leakage location. In this paper, a method using multiple cameras to detect leakage and estimate the three-dimensional coordinates of the leakage location is presented. Leakage is detected by Keywords: Image processing each camera using MADI(Moving Average Differential Image) and histogram analysis. The two- Camera dimensional leakage location is estimated using the detected leakage area. The three-dimensional Steam leakage leakage location is subsequently estimated based on the two-dimensional leakage location. To achieve Leakage detection
