| import gradio as gr | |
| import tensorflow as tf | |
| encoder = tf.keras.models.load_model("nst-encoder.h5", compile=False) | |
| decoder = tf.keras.models.load_model("nst-decoder.h5", compile=False) | |
| def get_mean_std(tensor, epsilon=1e-5): | |
| axes = [1, 2] | |
| tensor_mean, tensor_var = tf.nn.moments(tensor, axes=axes, keepdims=True) | |
| tensor_std = tf.sqrt(tensor_var + epsilon) | |
| return tensor_mean, tensor_std | |
| def ada_in(style, content, epsilon=1e-5): | |
| c_mean, c_std = get_mean_std(content) | |
| s_mean, s_std = get_mean_std(style) | |
| t = s_std * (content - c_mean) / c_std + s_mean | |
| return t | |
| def load_resize(image): | |
| image = tf.image.convert_image_dtype(image, dtype="float32") | |
| image = tf.image.resize(image, (224, 224)) | |
| return image | |
| def infer(style, content): | |
| style = load_resize(style) | |
| style = style[tf.newaxis, ...] | |
| content = load_resize(content) | |
| content = content[tf.newaxis, ...] | |
| style_enc = encoder(style) | |
| content_enc = encoder(content) | |
| t = ada_in(style=style_enc, content=content_enc) | |
| recons_image = decoder(t) | |
| return recons_image[0].numpy() | |
| iface = gr.Interface( | |
| fn=infer, | |
| inputs=[gr.inputs.Image(label="style"), | |
| gr.inputs.Image(label="content")], | |
| outputs="image").launch() | |