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eval_multiple_tasks.py
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eval_multiple_tasks.py
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import os
import tensorflow as tf
import numpy as np
from PIL import Image
from nets import vgg_16_deeplab_nddr, vgg_16_shortcut_deeplab_nddr
from nets import vgg_16_deeplab_mt, vgg_16_shortcut_deeplab_mt
from nets import vgg_arg_scope
from ops.errors import seg_error, normal_error
from util.img_encoder_mt import ImageReader
from util.img_decoder import inv_preprocess, decode_labels
from util.input_arguments import arguments_mt_eval
slim = tf.contrib.slim
IMG_MEAN = np.array((104.00698793,116.66876762,122.67891434), dtype=np.float32)
def eval():
"""Create the model and start the evaluation process."""
args = arguments_mt_eval()
# Create queue coordinator.
coord = tf.train.Coordinator()
# Encode data.
with tf.name_scope("create_inputs"):
reader = ImageReader(
args.data_dir,
args.data_list_1,
args.data_list_2,
input_size=None, # No defined input size.
random_scale=False, # No random scale.
random_mirror=False, # No random mirror.
random_crop=False, # No random crop.
ignore_label=args.ignore_label,
img_mean=IMG_MEAN,
coord=coord,
task_1=args.task_1,
task_2=args.task_2)
image, label_1, label_2 = reader.image, reader.label_1, reader.label_2
image_batch, label_batch_1, label_batch_2 = \
tf.expand_dims(image, dim=0), tf.expand_dims(label_1, dim=0), tf.expand_dims(label_2, dim=0) # Add the batch dimension.
# Create network.
with slim.arg_scope(vgg_arg_scope(weight_decay=0.0, use_batch_norm=True, is_training=False)):
if args.network == 'vgg_16_deeplab_nddr':
_, _, end_points_1, end_points_2, _ = vgg_16_deeplab_nddr(image_batch,
num_classes_1=args.num_classes_1,
num_classes_2=args.num_classes_2,
is_training=False,
dropout_keep_prob=1.0)
elif args.network == 'vgg_16_shortcut_deeplab_nddr':
_, _, end_points_1, end_points_2, _ = vgg_16_shortcut_deeplab_nddr(image_batch,
num_classes_1=args.num_classes_1,
num_classes_2=args.num_classes_2,
is_training=False,
dropout_keep_prob=1.0)
elif args.network == 'vgg_16_deeplab_mt':
_, _, end_points_1, end_points_2, _ = vgg_16_deeplab_mt(image_batch,
num_classes_1=args.num_classes_1,
num_classes_2=args.num_classes_2,
is_training=False,
dropout_keep_prob=1.0)
elif args.network == 'vgg_16_shortcut_deeplab_mt':
_, _, end_points_1, end_points_2, _ = vgg_16_shortcut_deeplab_mt(image_batch,
num_classes_1=args.num_classes_1,
num_classes_2=args.num_classes_2,
is_training=False,
dropout_keep_prob=1.0)
else:
raise Exception('network name is not recognized!')
# Which variables to load.
restore_var = tf.global_variables()
# Predictions.
raw_output_1 = end_points_1['vgg_16_1_6/fc8_voc12']
raw_output_2 = end_points_2['vgg_16_2_6/fc8_voc12']
raw_output_1 = tf.image.resize_bilinear(raw_output_1, tf.shape(image_batch)[1:3,])
raw_output_2 = tf.image.resize_bilinear(raw_output_2, tf.shape(image_batch)[1:3,])
if args.task_1 == 'seg' and args.task_2 == 'normal':
seg_output = raw_output_1
seg_label = label_batch_1
seg_classes = args.num_classes_1
normal_output = raw_output_2
normal_label = label_batch_2
normal_classes = args.num_classes_2
elif args.task_1 == 'normal' and args.task2 == 'seg':
seg_output = raw_output_2
seg_label = label_batch_2
seg_classes = args.num_classes_2
normal_output = raw_output_1
normal_label = label_batch_1
normal_classes = args.num_classes_1
else:
raise Exception('check the tasks!')
save_seg = tf.expand_dims(tf.argmax(seg_output, axis=3), dim=3)
save_normal = tf.nn.l2_normalize(normal_output, dim=-1) * 255
if args.save_dir is not None and not os.path.exists(args.save_dir):
os.makedirs(args.save_dir)
# errors:
mIoU, update_op, correct_pixel, valid_pixel = seg_error(seg_output, seg_label, seg_classes, args.ignore_label)
cos_distance = normal_error(normal_output, normal_label, normal_classes, args.ignore_label)
# Set up tf session and initialize variables.
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
sess = tf.Session(config=config)
init = tf.global_variables_initializer()
sess.run(init)
sess.run(tf.local_variables_initializer())
# Load weights.
if args.restore_from is not None:
if tf.gfile.IsDirectory(args.restore_from):
folder_name = args.restore_from
checkpoint_path = tf.train.latest_checkpoint(args.restore_from)
else:
folder_name = args.restore_from.replace(args.restore_from.split('/')[-1], '')
checkpoint_path = args.restore_from
tf.train.Saver(var_list=restore_var).restore(sess, checkpoint_path)
print("Restored model parameters from {}".format(checkpoint_path))
# Start queue threads.
threads = tf.train.start_queue_runners(coord=coord, sess=sess)
correct_pixel_all = []
valid_pixel_all = []
cos_distance_all = []
# Iterate over evaluation steps.
for step in range(args.num_steps):
imgs, save_segs, save_normals, cd, cp, vp, _ = sess.run([image_batch, save_seg, save_normal, cos_distance, correct_pixel, valid_pixel, update_op])
correct_pixel_all.append(cp)
valid_pixel_all.append(vp)
cos_distance_all.append(cd)
if step % 100 == 0:
print('step {:d}'.format(step))
if args.save_dir is not None:
org_imgs = inv_preprocess(imgs, 1, IMG_MEAN)
org_img = org_imgs[0]
org_img = Image.fromarray(org_img)
org_img.save(args.save_dir + '/org_' + str(step) + '.png')
save_segs = decode_labels(save_segs, num_images=1, num_classes=seg_classes, task='seg')
save_segs = save_segs[0]
save_segs = Image.fromarray(save_segs)
save_segs.save(args.save_dir + '/seg_' + str(step) + '.png')
save_normals = decode_labels(save_normals, num_images=1, num_classes=normal_classes, task='normal')
save_normals = save_normals[0]
save_normals = Image.fromarray(save_normals)
save_normals.save(args.save_dir + '/normal_' + str(step) + '.png')
mIoU_value = sess.run(mIoU)
print('Mean IoU: {:.3f}'.format(mIoU_value))
pixel_acc = sum(correct_pixel_all) / (sum(valid_pixel_all) + 0.0)
print('Pixel Acc: {:.3f}'.format(pixel_acc))
cos_distance_all = np.concatenate(cos_distance_all, axis=0)
cosine_distance = np.minimum(np.maximum(cos_distance_all, -1.0), 1.0)
angles = np.arccos(cosine_distance) / np.pi * 180.0
print('Mean: {:.3f}'.format(np.mean(angles)))
print('Median: {:.3f}'.format(np.median(angles)))
print('RMSE: {:.3f}'.format(np.sqrt(np.mean(angles ** 2))))
print('11.25: {:.3f}'.format(np.mean(np.less_equal(angles, 11.25)) * 100))
print('22.5: {:.3f}'.format(np.mean(np.less_equal(angles, 22.5)) * 100))
print('30: {:.3f}'.format(np.mean(np.less_equal(angles, 30.0)) * 100))
print('45: {:.3f}'.format(np.mean(np.less_equal(angles, 45.0)) * 100))
with open(folder_name + '/results.txt', 'a') as f:
f.write(checkpoint_path.split('/')[-1] + ' Mean IoU: {:.3f} \n'.format(mIoU_value))
f.write(checkpoint_path.split('/')[-1] + ' Pixel Acc: {:.3f} \n'.format(pixel_acc))
f.write(checkpoint_path.split('/')[-1] + ' Mean: {:.3f} \n'.format(np.mean(angles)))
f.write(checkpoint_path.split('/')[-1] + ' Median: {:.3f} \n'.format(np.median(angles)))
f.write(checkpoint_path.split('/')[-1] + ' RMSE: {:.3f} \n'.format(np.sqrt(np.mean(angles ** 2))))
f.write(checkpoint_path.split('/')[-1] + ' 11.25: {:.3f} \n'.format(np.mean(np.less_equal(angles, 11.25)) * 100))
f.write(checkpoint_path.split('/')[-1] + ' 22.5: {:.3f} \n'.format(np.mean(np.less_equal(angles, 22.5)) * 100))
f.write(checkpoint_path.split('/')[-1] + ' 30: {:.3f} \n'.format(np.mean(np.less_equal(angles, 30.0)) * 100))
f.write(checkpoint_path.split('/')[-1] + ' 45: {:.3f} \n'.format(np.mean(np.less_equal(angles, 40.0)) * 100))
coord.request_stop()
coord.join(threads)
if __name__ == '__main__':
eval()