Python facenet.get_model_filenames方法代碼示例

# 需要導入模塊: import facenet [as 別名]
# 或者: from facenet import get_model_filenames [as 別名]
def main(args):
    with tf.Graph().as_default():
        with tf.Session() as sess:
            # Load the model metagraph and checkpoint
            print('Model directory: %s' % args.model_dir)
            meta_file, ckpt_file = facenet.get_model_filenames(os.path.expanduser(args.model_dir))
            
            print('Metagraph file: %s' % meta_file)
            print('Checkpoint file: %s' % ckpt_file)

            model_dir_exp = os.path.expanduser(args.model_dir)
            saver = tf.train.import_meta_graph(os.path.join(model_dir_exp, meta_file), clear_devices=True)
            tf.get_default_session().run(tf.global_variables_initializer())
            tf.get_default_session().run(tf.local_variables_initializer())
            saver.restore(tf.get_default_session(), os.path.join(model_dir_exp, ckpt_file))
            
            # Retrieve the protobuf graph definition and fix the batch norm nodes
            input_graph_def = sess.graph.as_graph_def()
            
            # Freeze the graph def
            output_graph_def = freeze_graph_def(sess, input_graph_def, 'embeddings,label_batch')

        # Serialize and dump the output graph to the filesystem
        with tf.gfile.GFile(args.output_file, 'wb') as f:
            f.write(output_graph_def.SerializeToString())
        print("%d ops in the final graph: %s" % (len(output_graph_def.node), args.output_file)) 

# 需要導入模塊: import facenet [as 別名]
# 或者: from facenet import get_model_filenames [as 別名]
def main(args):
    """ Main

    Given a list of images, save out facial encoding data files and copy
    images into folders of face clusters.

    """
    from os.path import join, basename, exists
    from os import makedirs
    import numpy as np
    import shutil
    import sys

    if not exists(args.output):
        makedirs(args.output)

    with tf.Graph().as_default():
        with tf.Session() as sess:
            image_paths = get_onedir(args.input)
            #image_list, label_list = facenet.get_image_paths_and_labels(train_set)

            meta_file, ckpt_file = facenet.get_model_filenames(os.path.expanduser(args.model_dir))
            
            print('Metagraph file: %s' % meta_file)
            print('Checkpoint file: %s' % ckpt_file)
            load_model(args.model_dir, meta_file, ckpt_file)
            
            # 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")
            
            image_size = images_placeholder.get_shape()[1]
            print("image_size:",image_size)
            embedding_size = embeddings.get_shape()[1]
        
            # Run forward pass to calculate embeddings
            print('Runnning forward pass on images') 

            nrof_images = len(image_paths)
            nrof_batches = int(math.ceil(1.0*nrof_images / args.batch_size))
            emb_array = np.zeros((nrof_images, embedding_size))
            facial_encodings = compute_facial_encodings(sess,images_placeholder,embeddings,phase_train_placeholder,image_size,
                embedding_size,nrof_images,nrof_batches,emb_array,args.batch_size,image_paths)
            sorted_clusters = cluster_facial_encodings(facial_encodings)
            num_cluster = len(sorted_clusters)
                
            # Copy image files to cluster folders
            for idx, cluster in enumerate(sorted_clusters):
                #save all the cluster
                cluster_dir = join(args.output, str(idx))
                if not exists(cluster_dir):
                    makedirs(cluster_dir)
                for path in cluster:
                    shutil.copy(path, join(cluster_dir, basename(path))) 

# 需要導入模塊: import facenet [as 別名]
# 或者: from facenet import get_model_filenames [as 別名]
def main(args):

	with tf.Graph().as_default():

		with tf.Session() as sess:

			# create output directory if it doesn't exist
			output_dir = os.path.expanduser(args.output_dir)
			if not os.path.isdir(output_dir):
				os.makedirs(output_dir)

			# load the model
			print("Loading trained model...\n")
			meta_file, ckpt_file = facenet.get_model_filenames(os.path.expanduser(args.trained_model_dir))
			facenet.load_model(args.trained_model_dir, meta_file, ckpt_file)

			# grab all image paths and labels
			print("Finding image paths and targets...\n")
			data = load_files(args.data_dir, load_content=False, shuffle=False)
			labels_array = data['target']
			paths = data['filenames']

			# 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")

			image_size = images_placeholder.get_shape()[1]
			embedding_size = embeddings.get_shape()[1]

			# Run forward pass to calculate embeddings
			print('Generating embeddings from images...\n')
			start_time = time.time()
			batch_size = args.batch_size
			nrof_images = len(paths)
			nrof_batches = int(np.ceil(1.0*nrof_images / batch_size))
			emb_array = np.zeros((nrof_images, embedding_size))
			for i in xrange(nrof_batches):
				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, do_random_crop=False, do_random_flip=False, image_size=image_size, do_prewhiten=True)
				feed_dict = { images_placeholder:images, phase_train_placeholder:False}
				emb_array[start_index:end_index,:] = sess.run(embeddings, feed_dict=feed_dict)

			time_avg_forward_pass = (time.time() - start_time) / float(nrof_images)
			print("Forward pass took avg of %.3f[seconds/image] for %d images\n" % (time_avg_forward_pass, nrof_images))

			print("Finally saving embeddings and gallery to: %s" % (output_dir))
			# save the gallery and embeddings (signatures) as numpy arrays to disk
			np.save(os.path.join(output_dir, "gallery.npy"), labels_array)
			np.save(os.path.join(output_dir, "signatures.npy"), emb_array)