'phase_train:0')
embedding_size = embeddings.get_shape()[1]
# Run a forward pass to calculate the image
# vector embeddings.
print('Calculating image features...')
batch_size = 500 # 1000
image_size = 160
nrof_images = len(paths)
nrof_batches_per_epoch = int(math.ceil(1.0 * nrof_images / batch_size))
embedding_arr = np.zeros((nrof_images, embedding_size))
for i in range(nrof_batches_per_epoch):
start_index = i * batch_size
end_index = min((i + 1) * batch_size, nrof_images)
paths_batch = paths[start_index:end_index]
images = facenet.load_data(paths_batch, False, False, image_size)
feed_dict = {
images_placeholder: images,
phase_train_placeholder: False
}
embedding_arr[start_index:end_index, :] = sess.run(
embeddings, feed_dict=feed_dict)
# Setup the classifier for classifing new images
# based on their embedding vector.
classifier_filename = './my_classifier/SVC.pkl'
classifier_filename_exp = os.path.expanduser(classifier_filename)
# Train the classifier
print('Training classifier...')
model = SVC(kernel='linear', probability=True)
def main():
args = parse_args()
align_command = 'python align_dataset_mtcnn.py ' + args.input_dir + args.align_dir + ' --image_size 182' + ' --margin 44'
os.system(align_command)
print("-------- Alignment Completed ----------")
with tf.Graph().as_default():
with tf.Session() as sess:
np.random.seed(666)
datadir = args.align_dir
embeddingdir = "data/new_person_embedding/"
modeldir = args.model_path
dataset = facenet.get_dataset(datadir)
paths, labels = facenet.get_image_paths_and_labels(dataset)
print(labels)
# # Create a list of class names
#class_names = [cls.name.replace('_', ' ') for cls in dataset]
#label_name = [class_names[i] for i in labels]
print('Number of classes: {}'.format(len(dataset)))
print('Number of images: {}'.format(len(paths)))
print('Loading feature extraction model')
facenet.load_model(modeldir)
images_placeholder = tf.get_default_graph().get_tensor_by_name(
"input:0")
embeddings = tf.get_default_graph().get_tensor_by_name(
"embeddings:0")
phase_train_placeholder = tf.get_default_graph(
).get_tensor_by_name("phase_train:0")
embedding_size = embeddings.get_shape()[1]
print(embedding_size)
# Run forward pass to calculate embeddings
print('Calculating features for images')
batch_size = 200
image_size = 160
nrof_images = len(paths)
nrof_batches_per_epoch = int(
math.ceil(1.0 * nrof_images / batch_size))
emb_array = np.zeros((nrof_images, embedding_size))
for i in range(nrof_batches_per_epoch):
print('{}/{}'.format(i, nrof_batches_per_epoch))
start_index = i * batch_size
end_index = min((i + 1) * batch_size, nrof_images)
paths_batch = paths[start_index:end_index]
images = facenet.load_data(paths_batch, False, False,
image_size)
feed_dict = {
images_placeholder: images,
phase_train_placeholder: False
}
emb_array[start_index:end_index, :] = sess.run(
embeddings, feed_dict=feed_dict)
# store embedding and labels
np.savetxt(embeddingdir + 'embedding.csv',
emb_array,
delimiter=",")
with open(embeddingdir + 'label.csv', 'w') as f:
writer = csv.writer(f)
writer.writerows(zip(labels, paths))
# merge 2 embedding files
merge_embedding_files("data/embedding/", embeddingdir,
"embedding.csv")
merge_label_files("data/embedding/", embeddingdir, "label.csv")
# re-train the classifier
start = time.time()
fname = "data/embedding/label.csv"
labels = pd.read_csv(fname, header=None).as_matrix()[:, 1]
labels = map(itemgetter(1),
map(os.path.split, map(os.path.dirname,
labels))) # Get the directory.
print(labels)
print('list labels')
labels = list(labels)
print(labels)
fname = "data/embedding/embedding.csv"
embeddings = pd.read_csv(fname, header=None).as_matrix()
le = LabelEncoder().fit(labels)
class_names = list(le.classes_)
class_names = [i.replace("_", " ") for i in class_names]
labelsNum = le.transform(labels)
#print(labelsNum)
print(class_names)
print(labelsNum)
classifier_filename_exp = os.path.expanduser(
args.classifier_filename)
print('Start training classifier')
if (args.classifier == 'SVM'):
model = SVC(kernel='linear', probability=True)
elif (args.classifier == 'KNN'):
model = KNeighborsClassifier(n_neighbors=1)
elif (args.classifier == 'LinearSVC'):
model = LinearSVC(random_state=0, tol=1e-5)
else:
model = RandomForestClassifier(n_estimators=2000,
max_depth=100,
max_features='sqrt',
n_jobs=-1)
model.fit(embeddings, labelsNum)
print(
"Re-train the classifier took {} seconds.".format(time.time() -
start))
print('End training classifier')
print(le)
# saving classifier model
with open(classifier_filename_exp, 'wb') as outfile:
pickle.dump((model, class_names), outfile)
print('Saved classifier model to file "%s"' %
classifier_filename_exp)
print('Goodluck')
def main():
args = parse_args()
with tf.Graph().as_default():
with tf.Session() as sess:
np.random.seed(666)
datadir = args.align_dir
modeldir = args.model_path
dataset = facenet.get_dataset(datadir)
#f_map = "data/embedding/maps.csv"
paths, labels = facenet.get_image_paths_and_labels(dataset)
label1 = []
for i in paths:
person_name = i.split('/')[-2]
label1.append(person_name)
#map_test = pd.read_csv(f_map, header=None)
#labelnum = []
#for i in label1:
#ID = int(map_test.loc[map_test[1]==i, 0].values)
#labelnum.append(ID)
label1 = [i.replace("_", " ") for i in label1]
print('Number of classes: {}'.format(len(dataset)))
print('Number of images: {}'.format(len(paths)))
print('Loading feature extraction model')
facenet.load_model(modeldir)
images_placeholder = tf.get_default_graph().get_tensor_by_name(
"input:0")
embeddings = tf.get_default_graph().get_tensor_by_name(
"embeddings:0")
phase_train_placeholder = tf.get_default_graph(
).get_tensor_by_name("phase_train:0")
embedding_size = embeddings.get_shape()[1]
# Run forward pass to calculate embeddings
print('Calculating features for images')
batch_size = 200
image_size = 160
nrof_images = len(paths)
nrof_batches_per_epoch = int(
math.ceil(1.0 * nrof_images / batch_size))
emb_array = np.zeros((nrof_images, embedding_size))
for i in range(nrof_batches_per_epoch):
print('{}/{}'.format(i, nrof_batches_per_epoch))
start_index = i * batch_size
end_index = min((i + 1) * batch_size, nrof_images)
paths_batch = paths[start_index:end_index]
images = facenet.load_data(paths_batch, False, False,
image_size)
feed_dict = {
images_placeholder: images,
phase_train_placeholder: False
}
emb_array[start_index:end_index, :] = sess.run(
embeddings, feed_dict=feed_dict)
print('Testing classifier')
classifier_filename_exp = os.path.expanduser(
args.classifier_filename)
with open(classifier_filename_exp, 'rb') as infile:
(model, class_names) = pickle.load(infile)
labelnum = []
for i in label1:
num = class_names.index(i)
labelnum.append(num)
print('Loaded classifier model from file "%s"' %
classifier_filename_exp)
print(class_names)
predictions = model.predict(emb_array)
print(predictions)
best_class_indices = predictions
#best_class_probabilities = predictions[np.arange(len(best_class_indices)), best_class_indices]
#for i in range(len(best_class_indices)):
#print('%4d %s: %.3f' % (i, class_names[best_class_indices[i]], best_class_probabilities[i]))
print(best_class_indices)
print('labelnum')
print(labelnum)
report = precision_recall_fscore_support(labelnum,
best_class_indices,
average='weighted')
print(report[2])
def main(args):
os.environ["CUDA_VISIBLE_DEVICES"] = args.gpu_idx
network = importlib.import_module(args.model_def)
ckpt_model_path = args.ckpt_model_path
save_pb_path = args.save_pb_path
# eval from ckpt(fake_ckpt)
create_inference_graph(network)
g = tf.get_default_graph()
tf.contrib.quantize.create_eval_graph(input_graph=g)
all_vars = tf.global_variables()
print("eval global vars: \n +++++++++++++++++++++\n")
for var in all_vars:
print(var.name)
print("++++++++++++++++++++++++++")
saver = tf.train.Saver(tf.global_variables())
sess = tf.Session()
with sess.as_default():
saver.restore(sess, ckpt_model_path)
input_saver_def = saver.as_saver_def()
frozen_graph_def = freeze_graph.freeze_graph_with_def_protos(
input_graph_def=tf.get_default_graph().as_graph_def(), input_saver_def=input_saver_def,
input_checkpoint=ckpt_model_path, output_node_names='embeddings', restore_op_name='',
filename_tensor_name='', clear_devices=True, output_graph='', initializer_nodes='')
binary_graph = save_pb_path
with tf.gfile.GFile(binary_graph, 'wb') as f:
f.write(frozen_graph_def.SerializeToString())
# evaluate test pairs acc
paths, actual_issame = get_test_path.get_paths(os.path.expanduser(args.my_data_dir))
path_all = {"paths": paths, "actual_issame": actual_issame, "type": "MY_DATA"}
images_placeholder = tf.get_default_graph().get_tensor_by_name("input:0")
embeddings = tf.get_default_graph().get_tensor_by_name("embeddings:0")
image_size = args.image_size
embedding_size = embeddings.get_shape()[1]
paths = path_all["paths"]
actual_issame = path_all["actual_issame"]
batch_size = args.batch_size
nrof_images = len(paths)
nrof_batches = int(math.ceil(1.0 * nrof_images / batch_size))
emb_array = np.zeros((nrof_images, embedding_size))
# ipdb.set_trace()
for i in range(nrof_batches):
start_index = i * batch_size
end_index = min((i + 1) * batch_size, nrof_images)
print("get embedding,idx start %d,idx end %d" %
(start_index, end_index))
paths_batch = paths[start_index:end_index]
images = facenet.load_data(
paths_batch, False, False, image_size)
feed_dict = {images_placeholder: images}
emb_array[start_index:end_index, :] = sess.run(embeddings, feed_dict=feed_dict)
# ipdb.set_trace()
tpr, fpr, accuracy, val, val_std, far, acc_dot, recall, fpr_dot, percision_dot, dot_product_all, fp_idxs, fn_idxs, recall_th, percision_th, acc_th = lfw.evaluate(emb_array, actual_issame)
"""
embeddings1 = emb_array[0::2]
embeddings2 = emb_array[1::2]
dot_product_all = np.sum(embeddings1 * embeddings2, 1)
f = open("/data1/lishanlu/raw_data/dot_score.txt","w")
f.write(str(dot_product_all))
f.close()
"""
print('Accuracy: %1.3f+-%1.3f' %
(np.mean(accuracy), np.std(accuracy)))
print('tpr: %1.3f+-%1.3f' % (np.mean(tpr), np.std(tpr)))
print('fpr: %1.3f+-%1.3f' % (np.mean(fpr), np.std(fpr)))
print('Validation rate: %2.5f+-%2.5f @ FAR=%2.5f' %
(val, val_std, far))
print("\nacc_dot:%1.3f,recall:%1.3f,fpr_dot:%1.3f,percision_dot:%1.3f" %
(acc_dot, recall, fpr_dot, percision_dot))
def main(args):
with tf.Graph().as_default():
with tf.Session() as sess:
np.random.seed(seed=args.seed)
embeddingdir = "data/embedding/"
if args.use_split_dataset:
dataset_tmp = facenet.get_dataset(args.data_dir)
train_set, test_set = split_dataset(
dataset_tmp, args.min_nrof_images_per_class,
args.nrof_train_images_per_class)
if (args.mode == 'TRAIN'):
dataset = train_set
elif (args.mode == 'CLASSIFY'):
dataset = test_set
else:
dataset = facenet.get_dataset(args.data_dir)
# Check that there are at least one training image per class
for cls in dataset:
assert (
len(cls.image_paths) > 0,
'There must be at least one image for each class in the dataset'
)
paths, labels = facenet.get_image_paths_and_labels(dataset)
# Create a new label list containing names instead of numbers
class_names = [cls.name.replace('_', ' ') for cls in dataset]
label_name = [class_names[i] for i in labels]
print('Number of classes: %d' % len(dataset))
print('Number of images: %d' % len(paths))
# Load the model
print('Loading feature extraction model')
facenet.load_model(args.model)
# Get input and output tensors
images_placeholder = tf.get_default_graph().get_tensor_by_name(
"input:0")
embeddings = tf.get_default_graph().get_tensor_by_name(
"embeddings:0")
phase_train_placeholder = tf.get_default_graph(
).get_tensor_by_name("phase_train:0")
embedding_size = embeddings.get_shape()[1]
print(embedding_size)
# Run forward pass to calculate embeddings
print('Calculating features for images')
nrof_images = len(paths)
nrof_batches_per_epoch = int(
math.ceil(1.0 * nrof_images / args.batch_size))
emb_array = np.zeros((nrof_images, embedding_size))
for i in range(nrof_batches_per_epoch):
start_index = i * args.batch_size
end_index = min((i + 1) * args.batch_size, nrof_images)
paths_batch = paths[start_index:end_index]
images = facenet.load_data(paths_batch, False, False,
args.image_size)
feed_dict = {
images_placeholder: images,
phase_train_placeholder: False
}
emb_array[start_index:end_index, :] = sess.run(
embeddings, feed_dict=feed_dict)
# Store embedding and labels
np.savetxt(embeddingdir + 'embedding.csv',
emb_array,
delimiter=",")
with open(embeddingdir + 'label.csv', 'w') as f:
writer = csv.writer(f)
writer.writerows(zip(labels, paths))
classifier_filename_exp = os.path.expanduser(
args.classifier_filename)
if (args.mode == 'TRAIN'):
# Train classifier
print('Training classifier')
if (args.classifier == 'SVM'):
model = SVC(kernel='linear', probability=True)
elif (args.classifier == 'KNN'):
model = KNeighborsClassifier(n_neighbors=1)
elif (args.classifier == 'Softmax'):
model = LogisticRegression(random_state=0,
solver='lbfgs',
multi_class='multinomial')
else:
model = RandomForestClassifier(n_estimators=1000,
max_leaf_nodes=100,
n_jobs=-1)
model.fit(emb_array, labels)
# Create a list of class names
class_names = [cls.name.replace('_', ' ') for cls in dataset]
# Saving classifier model
with open(classifier_filename_exp, 'wb') as outfile:
pickle.dump((model, class_names), outfile)
print('Saved classifier model to file "%s"' %
classifier_filename_exp)
elif (args.mode == 'CLASSIFY'):
# Classify images
print('Testing classifier')
with open(classifier_filename_exp, 'rb') as infile:
(model, class_names) = pickle.load(infile)
print('Loaded classifier model from file "%s"' %
classifier_filename_exp)
predictions = model.predict_proba(emb_array)
best_class_indices = np.argmax(predictions, axis=1)
best_class_probabilities = predictions[
np.arange(len(best_class_indices)), best_class_indices]
for i in range(len(best_class_indices)):
print('%4d %s: %.3f' %
(i, class_names[best_class_indices[i]],
best_class_probabilities[i]))
accuracy = np.mean(np.equal(best_class_indices, labels))
report = precision_recall_fscore_support(labels,
best_class_indices,
average='weighted')
print(report[2])
print('Accuracy: %.3f' % accuracy)