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We consider an approach situation that can cause a ship collision as an abnormal situation and establish a system that can judge it. Since it is quite difficult to obtain the ship collision situation data in the real offshore, the situation was simulated using the ship simulator (the simulator model name is K-Sim Navigation, and the manufacture and configure company is Kongsberg Digital). In the ship simulator, latitude and longitude and simulation image data of two ships were acquired at three samples per second under the condition that the camera¡¯s altitude and vertical angle were fixed.
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