Incomplete codeword recognition method for gas meter
A gas meter and codeword technology, applied in character recognition, character and pattern recognition, instruments, etc., can solve the problem of low accuracy of incomplete codeword recognition, achieve the effect of solving insufficient training and improving loss function
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[0067] The incomplete gas meter codeword recognition method of the present invention and other machine learning algorithms SVM, CNN and PSO-SVM are used to recognize the incomplete gas meter codeword respectively, and the recognition results shown in Table 1 are obtained. The operating system used is: Linux (GPU-NVIDIA GTX1060), and the deep learning library used is: TensorFlow.
[0068] Among them, see figure 1 , the convolutional neural network model in the method of the present invention comprises an input layer, a convolutional layer I, a pooling layer I, a convolutional layer II, a pooling layer II, a fully connected layer I, a fully connected layer II and In the output layer, the number of neurons in the input layer is 28*28; the convolution kernel scale of the convolutional neural network model is 3*3, and the step size of the convolution and pooling operations of the model is (1, 1 ), the activation function is RELU, the attribute value of adding padding is same, the ...
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