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2026/3/1 13:31:04
CycleGAN是一种强大的图像到图像转换模型,它能够在无需配对图像数据的情况下,实现不同领域之间的图像转换,例如将苹果转换为橙子,反之亦然。下面我们将详细介绍CycleGAN的构建、训练和应用。
生成器采用U - Net架构,通过下采样和上采样操作生成目标图像。以下是构建生成器的代码:
def build_generator(self): """U-Net Generator""" def conv2d(layer_input, filters, f_size=4): """Layers used during downsampling""" d = Conv2D(filters, kernel_size=f_size, strides=2, padding='same')(layer_input) d = LeakyReLU(alpha=0.2)(d) d = InstanceNormalization()(d) return d def deconv2d(layer_input, skip_input, filters, f_size=4, dropout_rate=0): """Layers used during upsampling""" u = UpSampling2D(size=2)(layer_i