Thunder detection method and system based on image recognition
A detection system and detection method technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve the problems of inability to distinguish noise, easy to generate false positives and false negatives, etc., to improve generalization, not easy to be mistaken Good judgment and anti-interference effect
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[0043] Taking a certain wind field as an example, the model training uses synthetic data for training, the model structure adopts mobilenet, the input matrix size is 256*256, and the synthesized spectrum image is as follows figure 2 shown. In a specific implementation, sound samples are collected in real time, and whether the sound samples contain thunder is judged on the edge hardware side. image 3 It is the trend chart of the change of thunder factor with time during a thunderstorm. The model has been verified in more than 5 wind farms during the thunderstorm season for more than 5 months, the recognition accuracy can reach >97%, and the false alarm rate is <3%.
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