Ship identification method in ship lock monitoring system

The invention relates to a ship identification method in a ship lock monitoring system. The method comprises the following steps: 1) obtaining a video shot in a ship lock entrance area, carrying out Vibe algorithm-based background modeling according to first f video frames of the video to obtain a b...

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Main Authors WANG SHUQING, ZHAO HONG, WAN YINGJIE, XU JIANWEN, CHEN QIMING, ZHOU BOWEN, WANG HUAJUN, LYU ZAISHENG
Format Patent
LanguageChinese
English
Published 05.11.2019
Subjects
CALCULATING
COMPUTING
COUNTING
GYROSCOPIC INSTRUMENTS
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SURVEYING
TESTING
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Summary:The invention relates to a ship identification method in a ship lock monitoring system. The method comprises the following steps: 1) obtaining a video shot in a ship lock entrance area, carrying out Vibe algorithm-based background modeling according to first f video frames of the video to obtain a background model, and further determining whether a moving object exists in an (f + 1) th frame and subsequent frames of the video; 2) if a moving object exists in the (n + 1) th frame and the subsequent frames, inputting the frame into a pre-trained ship entry detection Mobilenet-ssd model, and identifying the category information and the spatial position information of the ship; and 3) for the spatial information given in the step 2), manually marking two monitoring points 0 and 1 on the imagein advance, and calculating the actual running speed of each ship by recording the time when the ship passes through the two monitoring points in the image. Effective reference can be provided for theship identification techn
Bibliography:Application Number: CN201910545182