Created
March 31, 2017 14:43
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Export a Keras model to a tensorflow .pb file with embedded weights to use on Android.
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from keras.models import Sequential | |
from keras.models import model_from_json | |
from keras import backend as K | |
import tensorflow as tf | |
from tensorflow.python.tools import freeze_graph | |
import os | |
# Load existing model. | |
with open("model.json",'r') as f: | |
modelJSON = f.read() | |
model = model_from_json(modelJSON) | |
model.load_weights("model_weights.hdf5") | |
# All new operations will be in test mode from now on. | |
K.set_learning_phase(0) | |
# Serialize the model and get its weights, for quick re-building. | |
config = model.get_config() | |
weights = model.get_weights() | |
# Re-build a model where the learning phase is now hard-coded to 0. | |
new_model = Sequential.from_config(config) | |
new_model.set_weights(weights) | |
temp_dir = "graph" | |
checkpoint_prefix = os.path.join(temp_dir, "saved_checkpoint") | |
checkpoint_state_name = "checkpoint_state" | |
input_graph_name = "input_graph.pb" | |
output_graph_name = "output_graph.pb" | |
# Temporary save graph to disk without weights included. | |
saver = tf.train.Saver() | |
checkpoint_path = saver.save(K.get_session(), checkpoint_prefix, global_step=0, latest_filename=checkpoint_state_name) | |
tf.train.write_graph(K.get_session().graph, temp_dir, input_graph_name) | |
input_graph_path = os.path.join(temp_dir, input_graph_name) | |
input_saver_def_path = "" | |
input_binary = False | |
output_node_names = "Softmax" # model dependent | |
restore_op_name = "save/restore_all" | |
filename_tensor_name = "save/Const:0" | |
output_graph_path = os.path.join(temp_dir, output_graph_name) | |
clear_devices = False | |
# Embed weights inside the graph and save to disk. | |
freeze_graph.freeze_graph(input_graph_path, input_saver_def_path, | |
input_binary, checkpoint_path, | |
output_node_names, restore_op_name, | |
filename_tensor_name, output_graph_path, | |
clear_devices, "") |
@amadlover , thanks the same, I hope someone maybe will read this and give me an opinion/solution
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Hello, I have exhausted the extent my help on this matter. :|