2019-05-29 10:37:29 +02:00
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#!/usr/bin/env python3
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2019-05-28 12:40:26 +02:00
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import tensorflow as tf
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import settings
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from tensorflow.keras import layers
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from keras.layers import Input, Dense, Conv2D, Flatten
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from keras.models import Model, Sequential
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import numpy as np
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from sys import exit
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import pickle
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print('Reading samples from: {}'.format(settings.samples_path))
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train_X = np.load(settings.samples_path)['arr_0']
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n_samples = train_X.shape[0]
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input_shape = settings.midi_resolution*128
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train_X = train_X.reshape(n_samples, input_shape)
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# encoder model
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input_img = tf.keras.layers.Input(shape=(input_shape,))
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encoded = tf.keras.layers.Dense(160, activation='relu')(input_img)
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decoded = tf.keras.layers.Dense(input_shape, activation='sigmoid')(encoded)
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autoencoder = tf.keras.models.Model(input_img, decoded)
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autoencoder.compile(optimizer='adam',
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loss='binary_crossentropy',
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metrics=['accuracy'])
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autoencoder.fit(train_X, train_X, epochs=settings.epochs, batch_size=32)
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autoencoder.save_weights(settings.model_path)
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print("Model save to {}".format(settings.model_path))
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