keras_layer_L2Normalization.py 文件源码

def build(self, input_shape):
        self.input_spec = [InputSpec(shape=input_shape)]
        gamma = self.gamma_init * np.ones((input_shape[self.axis],))
        self.gamma = K.variable(gamma, name='{}_gamma'.format(self.name))
        self.trainable_weights = [self.gamma]
        super(L2Normalization, self).build(input_shape)