ctc.ipynb merge([gru_1, gru_1b], mode='sum') 找不到这个函数 about captcha_break HOT 2 OPEN

input_tensor = Input((height, width, 3))
x = input_tensor
for i, n_cnn in enumerate([2, 2, 2, 2, 2]):
    for j in range(n_cnn):
        x = Conv2D(32*2**min(i, 3), kernel_size=3, padding='same', kernel_initializer='he_uniform')(x)
        x = BatchNormalization()(x)
        x = Activation('relu')(x)
    x = MaxPooling2D(2 if i < 3 else (2, 1))(x)

x = Permute((2, 1, 3))(x)
x = TimeDistributed(Flatten())(x)

rnn_size = 128
x = Bidirectional(CuDNNGRU(rnn_size, return_sequences=True))(x)
x = Bidirectional(CuDNNGRU(rnn_size, return_sequences=True))(x)
x = Dense(n_class, activation='softmax')(x)

base_model = Model(inputs=input_tensor, outputs=x)