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July 14, 2018 13:50
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from tensorflow.contrib.tensorboard.plugins import projector | |
logdir = 'fashionMNIST-logs' | |
# Creating the embedding variable with all the images defined above under X_test | |
embedding_var = tf.Variable(X_test, name='fmnist_embedding') | |
# Format: tensorflow/contrib/tensorboard/plugins/projector/projector_config.proto | |
config = projector.ProjectorConfig() | |
# You can add multiple embeddings. Here I add only one. | |
embedding = config.embeddings.add() | |
embedding.tensor_name = embedding_var.name | |
# Link this tensor to its metadata file (e.g. labels). | |
embedding.metadata_path = os.path.join(logdir, 'metadata.tsv') | |
# Use this logdir to create a summary writer | |
summary_writer = tf.summary.FileWriter(logdir) | |
# The next line writes a projector_config.pbtxt in the logdir. TensorBoard will read this file during startup. | |
projector.visualize_embeddings(summary_writer,config) | |
# Periodically save the model variables in a checkpoint in logdir. | |
with tf.Session() as sesh: | |
sesh.run(tf.global_variables_initializer()) | |
saver = tf.train.Saver() | |
saver.save(sesh, os.path.join(logdir, 'model.ckpt')) | |
# Create the sprite image | |
rows = 28 | |
cols = 28 | |
label = ['T-shirt/top', 'Trouser', 'Pullover', 'Dress', 'Coat', 'Sandal', 'Shirt', 'Sneaker', 'Bag', 'Ankle boot'] | |
sprite_dim = int(np.sqrt(X_test.shape[0])) | |
sprite_image = np.ones((cols * sprite_dim, rows * sprite_dim)) | |
index = 0 | |
labels = [] | |
for i in range(sprite_dim): | |
for j in range(sprite_dim): | |
labels.append(label[int(Y_test[index])]) | |
sprite_image[ | |
i * cols: (i + 1) * cols, | |
j * rows: (j + 1) * rows | |
] = X_test[index].reshape(28, 28) * -1 + 1 | |
index += 1 | |
# After constructing the sprite, I need to tell the Embedding Projector where to find it | |
embedding.sprite.image_path = os.path.join(logdir, 'sprite.png') | |
embedding.sprite.single_image_dim.extend([28, 28]) | |
# Create the metadata (labels) file | |
with open(embedding.metadata_path, 'w') as meta: | |
meta.write('Index\tLabel\n') | |
for index, label in enumerate(labels): | |
meta.write('{}\t{}\n'.format(index, label)) |
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Format: tensorflow/contrib/tensorboard/plugins/projector/projector_config.proto
config = projector.ProjectorConfig()
this statement is not been executing in jupiter notebook