Efficient license plate positioning method of convolutional neural network
A convolutional neural network, license plate location technology, applied in neural learning methods, biological neural network models, neural architectures, etc., can solve problems such as limited applicable scenarios, reduced algorithm model detection speed, and model deployment limitations.
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[0171] The present invention uses YOLOv3 as a comparison algorithm, and compares the performance of the YOLOv3 algorithm with the network model proposed by the present invention in terms of detection accuracy, weight file size and detection time. The changing factors of the scene during the test mainly include lighting, license plate area pollution, license plate rotation, and weather interference.
[0172] Attached Table 1 provides the performance comparison of various algorithms used in the present invention. Comprehensive comparison of detection accuracy, weight file size and detection time shows that the network model proposed by the present invention has the best performance. On the basis of a 0.6% drop in detection accuracy, the weight file is reduced by 78.3%, and the detection time is reduced by 28.2%. .
[0173] Figure 7 It is a part of the detection result diagram, which shows the comparison diagram of the license plate detection results under normal conditions, w...
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