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bts_eval.py
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bts_eval.py
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# This file is a part of BTS.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
from __future__ import absolute_import, division, print_function
import os
import argparse
import time
import numpy as np
import cv2
import sys
from bts_dataloader import *
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '1'
def convert_arg_line_to_args(arg_line):
for arg in arg_line.split():
if not arg.strip():
continue
yield arg
parser = argparse.ArgumentParser(description='BTS TensorFlow implementation.', fromfile_prefix_chars='@')
parser.convert_arg_line_to_args = convert_arg_line_to_args
parser.add_argument('--model_name', type=str, help='model name', default='bts_v0_0_1')
parser.add_argument('--encoder', type=str, help='type of encoder, desenet121_bts or densenet161_bts', default='densenet161_bts')
parser.add_argument('--data_path', type=str, help='path to the data', required=True)
parser.add_argument('--gt_path', type=str, help='path to the groundtruth data', required=False)
parser.add_argument('--filenames_file', type=str, help='path to the filenames text file', required=True)
parser.add_argument('--input_height', type=int, help='input height', default=480)
parser.add_argument('--input_width', type=int, help='input width', default=640)
parser.add_argument('--max_depth', type=float, help='maximum depth in estimation', default=80)
parser.add_argument('--output_directory', type=str, help='output directory for summary, if empty outputs to checkpoint folder', default='')
parser.add_argument('--checkpoint_path', type=str, help='path to a specific checkpoint to load', default='')
parser.add_argument('--dataset', type=str, help='dataset to train on, make3d or nyudepthv2', default='nyu')
parser.add_argument('--eigen_crop', help='if set, crops according to Eigen NIPS14', action='store_true')
parser.add_argument('--garg_crop', help='if set, crops according to Garg ECCV16', action='store_true')
parser.add_argument('--min_depth_eval', type=float, help='minimum depth for evaluation', default=1e-3)
parser.add_argument('--max_depth_eval', type=float, help='maximum depth for evaluation', default=80)
parser.add_argument('--do_kb_crop', help='if set, crop input images as kitti benchmark images', action='store_true')
if sys.argv.__len__() == 2:
arg_filename_with_prefix = '@' + sys.argv[1]
args = parser.parse_args([arg_filename_with_prefix])
else:
args = parser.parse_args()
model_dir = os.path.dirname(args.checkpoint_path)
sys.path.append(model_dir)
for key, val in vars(__import__(args.model_name)).items():
if key.startswith('__') and key.endswith('__'):
continue
vars()[key] = val
def compute_errors(gt, pred):
thresh = np.maximum((gt / pred), (pred / gt))
d1 = (thresh < 1.25).mean()
d2 = (thresh < 1.25 ** 2).mean()
d3 = (thresh < 1.25 ** 3).mean()
rmse = (gt - pred) ** 2
rmse = np.sqrt(rmse.mean())
rmse_log = (np.log(gt) - np.log(pred)) ** 2
rmse_log = np.sqrt(rmse_log.mean())
abs_rel = np.mean(np.abs(gt - pred) / gt)
sq_rel = np.mean(((gt - pred)**2) / gt)
err = np.log(pred) - np.log(gt)
silog = np.sqrt(np.mean(err ** 2) - np.mean(err) ** 2) * 100
err = np.abs(np.log10(pred) - np.log10(gt))
log10 = np.mean(err)
return silog, log10, abs_rel, sq_rel, rmse, rmse_log, d1, d2, d3
def get_num_lines(file_path):
f = open(file_path, 'r')
lines = f.readlines()
f.close()
return len(lines)
def test(params):
global gt_depths, is_missing, missing_ids
gt_depths = []
is_missing = []
missing_ids = set()
write_summary = False
if os.path.exists(args.checkpoint_path + '.meta'):
steps = [str(args.checkpoint_path).split('/')[-1].split('-')[-1]]
else:
with open(args.checkpoint_path + '/checkpoint') as file:
lines = file.readlines()[1:]
steps = set()
for line in lines:
step = line.split()[1].split('/')[-1].split('-')[-1].replace('\"', '')
steps.add('{:06d}'.format(int(step)))
lines = []
if os.path.exists(args.checkpoint_path + '/evaluated_checkpoints'):
with open(args.checkpoint_path + '/evaluated_checkpoints') as file:
lines = file.readlines()
for line in lines:
if line.rstrip() in steps:
steps.remove(line.rstrip())
steps = sorted(steps)
if args.output_directory != '':
summary_path = os.path.join(args.output_directory, args.model_name)
else:
summary_path = os.path.join(args.checkpoint_path, 'eval')
write_summary = True
if len(steps) == 0:
print('No new model to evaluate. Abort.')
return
time_modified = os.path.getmtime(args.checkpoint_path + 'checkpoint')
time_diff = time.time() - time_modified
if time_diff < 60:
print('Model file might not be mature due to short time_diff: %s' % str(time_diff))
print('Aborting')
return
else:
print('time_diff: %s' % str(time_diff))
dataloader = BtsDataloader(args.data_path, args.gt_path, args.filenames_file, params, 'test',
do_kb_crop=args.do_kb_crop)
dataloader_iter = dataloader.loader.make_initializable_iterator()
iter_init_op = dataloader_iter.initializer
image, focal = dataloader_iter.get_next()
model = BtsModel(params, 'test', image, None, focal=focal, bn_training=False)
if write_summary:
summary_writer = tf.summary.FileWriter(summary_path)
# SESSION
config = tf.ConfigProto(allow_soft_placement=True)
sess = tf.Session(config=config)
# INIT
sess.run(tf.global_variables_initializer())
sess.run(tf.local_variables_initializer())
coordinator = tf.train.Coordinator()
threads = tf.train.start_queue_runners(sess=sess, coord=coordinator)
# SAVER
train_saver = tf.train.Saver()
with tf.device('/cpu:0'):
for step in steps:
if os.path.exists(args.checkpoint_path + '.meta'):
restore_path = args.checkpoint_path
else:
restore_path = os.path.join(args.checkpoint_path, 'model-' + str(int(step)))
# RESTORE
train_saver.restore(sess, restore_path)
num_test_samples = get_num_lines(args.filenames_file)
with open(args.filenames_file) as f:
lines = f.readlines()
print('now testing {} files for step {}'.format(num_test_samples, step))
sess.run(iter_init_op)
pred_depths = []
start_time = time.time()
for s in range(num_test_samples):
depth = sess.run([model.depth_est])
pred_depths.append(depth[0].squeeze())
elapsed_time = time.time() - start_time
print('Elapesed time: %s' % str(elapsed_time))
print('Done.')
if len(gt_depths) == 0:
for t_id in range(num_test_samples):
gt_depth_path = os.path.join(args.gt_path, lines[t_id].split()[1])
depth = cv2.imread(gt_depth_path, -1)
if depth is None:
print('Missing: %s ' % gt_depth_path)
missing_ids.add(t_id)
continue
if args.dataset == 'nyu':
depth = depth.astype(np.float32) / 1000.0
else:
depth = depth.astype(np.float32) / 256.0
gt_depths.append(depth)
print('Computing errors')
silog, log10, abs_rel, sq_rel, rms, log_rms, d1, d2, d3 = eval(pred_depths, int(step))
if write_summary:
summary = tf.Summary()
summary.value.add(tag='silog', simple_value=silog.mean())
summary.value.add(tag='abs_rel', simple_value=abs_rel.mean())
summary.value.add(tag='log10', simple_value=log10.mean())
summary.value.add(tag='sq_rel', simple_value=sq_rel.mean())
summary.value.add(tag='rms', simple_value=rms.mean())
summary.value.add(tag='log_rms', simple_value=log_rms.mean())
summary.value.add(tag='d1', simple_value=d1.mean())
summary.value.add(tag='d2', simple_value=d2.mean())
summary.value.add(tag='d3', simple_value=d3.mean())
summary_writer.add_summary(summary, global_step=step)
summary_writer.flush()
with open(os.path.dirname(args.checkpoint_path) + '/evaluated_checkpoints', 'a') as file:
file.write(step + '\n')
print('Evaluation done')
def eval(pred_depths, step):
num_samples = get_num_lines(args.filenames_file)
pred_depths_valid = []
for t_id in range(num_samples):
if t_id in missing_ids:
continue
pred_depths_valid.append(pred_depths[t_id])
num_samples = num_samples - len(missing_ids)
silog = np.zeros(num_samples, np.float32)
log10 = np.zeros(num_samples, np.float32)
rms = np.zeros(num_samples, np.float32)
log_rms = np.zeros(num_samples, np.float32)
abs_rel = np.zeros(num_samples, np.float32)
sq_rel = np.zeros(num_samples, np.float32)
d1 = np.zeros(num_samples, np.float32)
d2 = np.zeros(num_samples, np.float32)
d3 = np.zeros(num_samples, np.float32)
for i in range(num_samples):
gt_depth = gt_depths[i]
pred_depth = pred_depths_valid[i]
if args.do_kb_crop:
height, width = gt_depth.shape
top_margin = int(height - 352)
left_margin = int((width - 1216) / 2)
pred_depth_uncropped = np.zeros((height, width), dtype=np.float32)
pred_depth_uncropped[top_margin:top_margin + 352, left_margin:left_margin + 1216] = pred_depth
pred_depth = pred_depth_uncropped
pred_depth[pred_depth < args.min_depth_eval] = args.min_depth_eval
pred_depth[pred_depth > args.max_depth_eval] = args.max_depth_eval
pred_depth[np.isinf(pred_depth)] = args.max_depth_eval
valid_mask = np.logical_and(gt_depth > args.min_depth_eval, gt_depth < args.max_depth_eval)
if args.garg_crop or args.eigen_crop:
gt_height, gt_width = gt_depth.shape
eval_mask = np.zeros(valid_mask.shape)
if args.garg_crop:
eval_mask[int(0.40810811 * gt_height):int(0.99189189 * gt_height), int(0.03594771 * gt_width):int(0.96405229 * gt_width)] = 1
elif args.eigen_crop:
eval_mask[int(0.3324324 * gt_height):int(0.91351351 * gt_height), int(0.0359477 * gt_width):int(0.96405229 * gt_width)] = 1
valid_mask = np.logical_and(valid_mask, eval_mask)
silog[i], log10[i], abs_rel[i], sq_rel[i], rms[i], log_rms[i], d1[i], d2[i], d3[i] = compute_errors(gt_depth[valid_mask], pred_depth[valid_mask])
print("{:>7}, {:>7}, {:>7}, {:>7}, {:>7}, {:>7}, {:>7}, {:>7}, {:>7}".format('silog', 'abs_rel', 'log10', 'rms', 'sq_rel', 'log_rms', 'd1', 'd2', 'd3'))
print("{:7.4f}, {:7.4f}, {:7.3f}, {:7.3f}, {:7.3f}, {:7.3f}, {:7.3f}, {:7.3f}, {:7.3f}".format(
silog.mean(), abs_rel.mean(), log10.mean(), rms.mean(), sq_rel.mean(), log_rms.mean(), d1.mean(), d2.mean(), d3.mean()))
return silog, log10, abs_rel, sq_rel, rms, log_rms, d1, d2, d3
def main(_):
params = bts_parameters(
encoder=args.encoder,
height=args.input_height,
width=args.input_width,
batch_size=None,
dataset=args.dataset,
max_depth=args.max_depth,
num_gpus=None,
num_threads=None,
num_epochs=None)
test(params)
if __name__ == '__main__':
tf.app.run()