def _construct_seq_dict(self, root_dir, subset):
# load task information
task_file = osp.join(root_dir, 'tasks/{}.csv'.format(subset))
task = np.loadtxt(task_file, delimiter=',', dtype=str)
# load dev annotations
if subset == 'dev':
dev_anno_file = osp.join(root_dir, 'annotations/dev.csv')
dev_anno = np.loadtxt(dev_anno_file, delimiter=',', dtype=str)
# construct seq_dict
seq_dict = {}
for s, line in enumerate(task):
# parse task information
vid_id, obj_id = line[:2]
init_frame, last_frame = line[2:4].astype(int)
init_anno = line[4:8].astype(np.float32)
# log information
seq_name = '_'.join([vid_id, obj_id])
if s % 50 == 0 or s + 1 == len(task):
ops.sys_print('Processing sequence [%d/%d]: %s...' %
(s + 1, len(task), seq_name))
# parse annotations
seq_dir = osp.join(root_dir, 'images', subset, vid_id)
img0 = ops.read_image(seq_dir + '/000000.jpeg')
h, w = img0.shape[:2]
meta = {
'width': img0.shape[1],
'height': img0.shape[0],
'target_num': 1
}
# parse and rescale initial annotations
anno = np.expand_dims(init_anno[[0, 2, 1, 3]], axis=0)
anno[:, [0, 2]] *= w
anno[:, [1, 3]] *= h
# image paths
frames = np.arange(init_frame, last_frame + 1, self.frame_stride)
img_files = [osp.join(seq_dir, '%06d.jpeg' % f) for f in frames]
# update meta information
meta.update({
'frame_num': len(img_files),
'total_instances': len(img_files),
'frames': frames
})
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno,
'meta': meta
}
}
return seq_dict
def _construct_ins_dict(self, seqs, sampling_stride):
# construct ins_dict
ins_dict = OrderedDict()
for s, (img_files, target) in enumerate(seqs):
seq_name = seqs.seq_names[s]
if s % 100 == 0 or (s + 1) == len(seqs):
ops.sys_print('Processing [%d/%d]: %s...' %
(s + 1, len(seqs), seq_name))
# filter out invalid frames
anno, meta = target['anno'], target['meta']
mask = self._filter(anno, meta)
anno = anno[mask]
for f, img_file in enumerate(img_files):
if f % sampling_stride != 0:
continue
bbox = target['anno'][f]
ins_id, cam_id = s + 1, 1
meta_info = {'width': meta['width'], 'height': meta['height']}
# updat ins_dict
name = '{}-{}_{}'.format(ins_id, cam_id, f + 1)
ins_dict[name] = {
'img_file': img_file,
'target': {
'bbox': bbox,
'ins_id': ins_id,
'cam_id': cam_id,
'frame_id': f + 1,
'meta': meta_info
}
}
return ins_dict
def _record(self, record_file, bboxes, times):
# convert bboxes to string
lines = []
for bbox in bboxes:
if len(bbox) == 1:
lines.append('%d' % bbox[0])
else:
lines.append(str.join(',', ['%.4f' % t for t in bbox]))
# record bounding boxes
record_dir = os.path.dirname(record_file)
if not os.path.isdir(record_dir):
os.makedirs(record_dir)
with open(record_file, 'w') as f:
f.write(str.join('\n', lines))
ops.sys_print(' Results recorded at %s' % record_file)
# convert times to string
lines = ['%.4f' % t for t in times]
lines = [t.replace('nan', 'NaN') for t in lines]
# record running times
time_file = record_file[:record_file.rfind('_')] + '_time.txt'
if os.path.exists(time_file):
with open(time_file) as f:
exist_lines = f.read().strip().split('\n')
lines = [t + ',' + s for t, s in zip(exist_lines, lines)]
with open(time_file, 'w') as f:
f.write(str.join('\n', lines))
def build(self, cfg):
assert isinstance(cfg, dict) and 'type' in cfg
cfg = cfg.copy()
module_name = cfg.pop('type')
if 'input_type' in cfg:
ops.sys_print('Warning: "input_type" should be parsed '
'before building module')
cfg.pop('input_type')
# get module
if isinstance(module_name, six.string_types):
module = self.get(module_name)
if module.__name__ == 'dict':
module = addict.Dict
if module is None:
raise KeyError('{} is not in the registry'.format(module_name))
else:
raise TypeError(
'type must be a string, but got {}'.format(module_name))
# build submodules
for k, v in cfg.items():
if isinstance(v, dict) and 'type' in v:
cfg[k] = self.build(v)
return module(**cfg)
def test_loc_losses(self):
x = torch.rand(64, 4)
x[:, 2:] += x[:, :2]
y = x + 0.3 * (torch.rand(x.size()) - 0.5)
y = y.clamp_(0)
criterions = [
nn.SmoothL1Loss(),
SmoothL1Loss(beta=1. / 9),
IoULoss(),
GHMR_Loss(mu=0.02, bins=10, momentum=0.1)
]
# check losses
for criterion in criterions:
loss = criterion(x, y)
ops.sys_print('Loss[{}]: {:.3f}'.format(
criterion.__class__.__name__, loss.item()))
self.assertGreaterEqual(loss.item(), 0)
# check losses on correct predictions
for criterion in criterions:
loss = criterion(y, y)
ops.sys_print('GT Loss[{}]: {:.3f}'.format(
criterion.__class__.__name__, loss.item()))
self.assertGreaterEqual(loss.item(), 0)
def run(self, tracker, visualize=False):
ops.sys_print('Running tracker %s on %s...' %
(tracker.name, self.dataset.name))
# run all specified experiments
if 'supervised' in self.experiments:
self.run_supervised(tracker, visualize)
def test_pair_wrapper(self):
dataset = PairWrapper(base_transforms='extra_partial')
indices = np.random.choice(len(dataset), 10)
for i in indices:
item = dataset[i]
# check keys
keys = [
'img_z', 'img_x', 'img_meta_z', 'img_meta_x', 'gt_bboxes_z',
'gt_bboxes_x'
]
self.assertTrue(all([k in item for k in keys]))
# check data types
for _, v in item.items():
self.assertTrue(isinstance(v, DC))
# check sizes
self.assertEqual(len(item['gt_bboxes_z'].data),
len(item['gt_bboxes_x'].data))
if 'gt_labels' in item:
self.assertEqual(len(item['gt_bboxes_x'].data),
len(item['gt_labels'].data))
# visualize pair
if self.visualize:
ops.sys_print('Item index:', i)
self._show_image(item['img_z'].data,
item['gt_bboxes_z'].data,
fig=0,
delay=1)
self._show_image(item['img_x'].data,
item['gt_bboxes_x'].data,
fig=1,
delay=0)
def _construct_seq_dict(self, root_dir, subset):
# image and annotation paths
seq_dirs = []
anno_files = []
if 'train' in subset:
_seq_dirs = sorted(
glob.glob(
osp.join(root_dir,
'VisDrone2018-VID-train/sequences/*_v')))
_anno_files = [
osp.join(root_dir, 'VisDrone2018-VID-train/annotations',
osp.basename(s) + '.txt') for s in _seq_dirs
]
seq_dirs += _seq_dirs
anno_files += _anno_files
if 'val' in subset:
_seq_dirs = sorted(
glob.glob(
osp.join(root_dir, 'VisDrone2018-VID-val/sequences/*_v')))
_anno_files = [
osp.join(root_dir, 'VisDrone2018-VID-val/annotations',
osp.basename(s) + '.txt') for s in _seq_dirs
]
seq_dirs += _seq_dirs
anno_files += _anno_files
seq_names = [osp.basename(s) for s in seq_dirs]
# construct seq_dict
seq_dict = {}
for s, seq_name in enumerate(seq_names):
if s % 10 == 0 or s + 1 == len(seq_names):
ops.sys_print('Processing [%d/%d]: %s' %
(s + 1, len(seq_names), seq_name))
img_files = sorted(glob.glob(osp.join(seq_dirs[s], '*.jpg')))
anno_s = np.loadtxt(anno_files[s], delimiter=',', dtype=np.float32)
anno_s = self._format(anno_s)
# meta information
img0 = ops.read_image(img_files[0])
meta = {
'width': img0.shape[1],
'height': img0.shape[0],
'frame_num': len(img_files),
'target_num': len(set(anno_s[:, 1])),
'total_instances': len(anno_s)
}
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno_s,
'meta': meta
}
}
return seq_dict
def _calc_metrics(self, bboxes, anno):
valid = ~np.any(np.isnan(anno), axis=1)
if len(valid) == 0:
ops.sys_print('Warning: no valid annotations')
return None, None
else:
ious = ops.rect_iou(bboxes[valid, :], anno[valid, :])
center_errors = ops.center_error(bboxes[valid, :], anno[valid, :])
return ious, center_errors
def _check_xcorr_head(self, backbone, head):
begin = time.time()
out = head(backbone(self.z), backbone(self.x))
end = time.time()
# print inference information
ops.sys_print('[{}] z: {} x: {} output: {} time: {:.5f}s'.format(
head.__class__.__name__, tuple(self.z.shape), tuple(self.x.shape),
tuple(out.shape), end - begin))
def main():
# parse arguments
args = parse_args()
cfg = Config.fromfile(args.config)
if cfg.get('cudnn_benchmark', False):
torch.backends.cudnn.benchmark = True
if args.work_dir is not None:
cfg.work_dir = args.work_dir
if args.load_from is not None:
cfg.load_from = args.load_from
if args.resume_from is not None:
cfg.resume_from = args.resume_from
if args.fp16:
cfg.fp16 = {'loss_scale': 512.}
if args.workers is not None:
cfg.data.workers_per_gpu = args.workers
cfg.gpus = args.gpus
if args.autoscale_lr:
cfg.optimizer['lr'] = cfg.optimizer['lr'] * cfg.gpus / 8.
ops.sys_print('Args:\n--', args)
ops.sys_print('Configs:\n--', cfg)
# init distributed env, logger and random seeds
if args.launcher == 'none':
distributed = False
else:
distributed = True
init_dist(args.launcher, **cfg.dist_params)
logger = get_root_logger(cfg.log_level)
logger.info('Distributed training: {}'.format(distributed))
if args.seed is not None:
logger.info('Set random seed to {}'.format(args.seed))
set_random_seed(args.seed)
# build model
model = build_detector(
cfg.model,
train_cfg=cfg.train_cfg,
test_cfg=cfg.test_cfg)
# build dataset
train_dataset = build_dataset(cfg.data.train)
if cfg.checkpoint_config is not None:
cfg.checkpoint_config.meta = {
'mmdet_version': mmdet.__version__,
'config': cfg.text,
'CLASSES': train_dataset.CLASSES}
model.CLASSES = train_dataset.CLASSES
# run training
train_detector(
model,
train_dataset,
cfg,
distributed=distributed,
validate=args.validate,
logger=logger)
def plot_curves(self, report_files, tracker_names):
assert isinstance(report_files, list), \
'Expected "report_files" to be a list, ' \
'but got %s instead' % type(report_files)
# assume tracker_names[0] is your tracker
report_dir = osp.join(self.report_dir, tracker_names[0])
if not osp.exists(report_dir):
os.makedirs(report_dir)
performance = {}
for report_file in report_files:
with open(report_file) as f:
performance.update(json.load(f))
succ_file = osp.join(report_dir, 'success_plot.pdf')
key = 'overall'
# sort trackers by AO
tracker_names = list(performance.keys())
aos = [t[key]['ao'] for t in performance.values()]
inds = np.argsort(aos)[::-1]
tracker_names = [tracker_names[i] for i in inds]
# markers
markers = ['-', '--', '-.']
markers = [c + m for m in markers for c in [''] * 10]
# plot success curves
thr_iou = np.linspace(0, 1, self.nbins_iou)
fig, ax = plt.subplots()
lines = []
legends = []
for i, name in enumerate(tracker_names):
line, = ax.plot(thr_iou,
performance[name][key]['succ_curve'],
markers[i % len(markers)])
lines.append(line)
legends.append('%s: [%.3f]' % (
name, performance[name][key]['ao']))
matplotlib.rcParams.update({'font.size': 7.4})
legend = ax.legend(lines, legends, loc='center left',
bbox_to_anchor=(1, 0.5))
matplotlib.rcParams.update({'font.size': 9})
ax.set(xlabel='Overlap threshold',
ylabel='Success rate',
xlim=(0, 1), ylim=(0, 1),
title='Success plots on GOT-10k')
ax.grid(True)
fig.tight_layout()
ops.sys_print('Saving success plots to %s' % succ_file)
fig.savefig(succ_file,
bbox_extra_artists=(legend,),
bbox_inches='tight',
dpi=300)
def _filter_files(self, filenames):
filtered_files = []
for filename in filenames:
with open(filename, 'r') as f:
if f.read().strip() == '':
ops.sys_print('Warning: %s is empty.' % filename)
else:
filtered_files.append(filename)
return filtered_files
def test_siamfc_transforms(self):
transforms = data.ReID_Transforms()
dataset = data.Seq2Instance(self.seqs, transforms=transforms)
inds = np.random.choice(len(dataset), 10)
for i in inds:
img, target = dataset[i]
img = 255. * (img - img.min()) / (img.max() - img.min())
img = img.permute(1, 2, 0).numpy().astype(np.uint8)
if self.visualize:
ops.sys_print('Label: %d' % target['label'].item())
ops.show_image(img, target['bbox'], delay=0)
def test_xcorr(self):
backbone = models.AlexNetV1()
heads = [
models.XCorr(scale=0.001, learnable=False),
models.XCorr(scale=0.001, learnable=True),
models.XCorr(scale=[0.001], learnable=False),
models.XCorr(scale=[0.001], learnable=True)
]
for head in heads:
ops.sys_print(head.scale.exp())
self._check_xcorr_head(backbone.to(self.device),
head.to(self.device))
def show(self,
tracker_names,
seq_names=None,
play_speed=1,
visualize=True,
save=False,
save_dir='screenshots'):
if seq_names is None:
seq_names = self.dataset.seq_names
elif isinstance(seq_names, str):
seq_names = [seq_names]
assert isinstance(tracker_names, (list, tuple))
assert isinstance(seq_names, (list, tuple))
play_speed = int(round(play_speed))
assert play_speed > 0
for s, seq_name in enumerate(seq_names):
ops.sys_print('[%d/%d] Showing results on %s...' %
(s + 1, len(seq_names), seq_name))
# mkdir if required to save screenshots
if save:
out_dir = osp.join(save_dir, seq_name)
if not osp.exists(out_dir):
os.makedirs(out_dir)
# load all tracking results
records = {}
for name in tracker_names:
record_file = osp.join(self.result_dir, name,
'%s.txt' % seq_name)
records[name] = np.loadtxt(record_file, delimiter=',')
# loop over the sequence and display results
img_files, target = self.dataset[seq_name][:2]
img_files = img_files[::self.frame_stride]
target['anno'] = target['anno'][self.frame_stride]
for f, img_file in enumerate(img_files):
if not f % play_speed == 0:
continue
img = ops.read_image(img_file)
bboxes = [records[name][f] for name in tracker_names]
if len(target['anno']) > f:
bboxes = [target['anno'][f]] + bboxes
img = ops.show_image(img, bboxes, visualize=visualize)
# save screenshot if required
if save:
out_file = osp.join(out_dir, '%08d.jpg' % (f + 1))
cv2.imwrite(out_file, img)
def _construct_seq_dict(self, root_dir, fps):
# image and annotation paths
anno_files = sorted(glob.glob(osp.join(root_dir, '*/%d/*.txt' % fps)))
seq_names = [osp.basename(f)[:-4] for f in anno_files]
seq_dirs = [
osp.join(osp.dirname(f), n) for f, n in zip(anno_files, seq_names)
]
# construct seq_dict
seq_dict = {}
for s, seq_name in enumerate(seq_names):
if s % 50 == 0 or s + 1 == len(seq_names):
ops.sys_print('Processing sequence [%d/%d]: %s...' %
(s + 1, len(seq_names), seq_name))
img_files = sorted(glob.glob(osp.join(seq_dirs[s], '*.jpg')))
anno = np.loadtxt(anno_files[s], dtype=str)
anno = anno[:, 1:5].astype(np.float32)
# handle inconsistent lengths
if not len(img_files) == len(anno):
if abs(len(anno) / len(img_files) - 8) < 1:
anno = anno[0::8, :]
diff = abs(len(img_files) - len(anno))
if diff > 0 and diff <= 1:
n = min(len(img_files), len(anno))
anno = anno[:n]
img_files = img_files[:n]
assert len(img_files) == len(anno)
# meta information
seq_len = len(img_files)
img0 = ops.read_image(img_files[0])
meta = {
'width': img0.shape[1],
'height': img0.shape[0],
'frame_num': seq_len,
'target_num': 1,
'total_instances': seq_len
}
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno,
'meta': meta
}
}
return seq_dict
def _construct_seq_dict(self, root_dir, subset):
# load subset sequence names
split_file = osp.join(osp.dirname(__file__), 'lasot.json')
with open(split_file, 'r') as f:
splits = json.load(f)
seq_names = splits[subset]
# image and annotation paths
seq_dirs = [
osp.join(root_dir, n[:n.rfind('-')], n, 'img') for n in seq_names
]
anno_files = [
osp.join(root_dir, n[:n.rfind('-')], n, 'groundtruth.txt')
for n in seq_names
]
# construct seq_dict
seq_dict = {}
for s, seq_name in enumerate(seq_names):
if s % 100 == 0 or s + 1 == len(seq_names):
ops.sys_print('Processing sequence [%d/%d]: %s...' %
(s + 1, len(seq_names), seq_name))
img_files = sorted(glob.glob(osp.join(seq_dirs[s], '*.jpg')))
anno = np.loadtxt(anno_files[s], delimiter=',', dtype=np.float32)
anno[:, 2:] = anno[:, :2] + anno[:, 2:] - 1
# meta information
seq_len = len(img_files)
img0 = ops.read_image(img_files[0])
meta = self._fetch_meta(seq_dirs[s])
meta.update({
'width': img0.shape[1],
'height': img0.shape[0],
'frame_num': seq_len,
'target_num': 1,
'total_instances': seq_len
})
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno,
'meta': meta
}
}
return seq_dict
def _record_confidence(self, record_file, bboxes):
# convert conf to string
lines = []
for bbox in bboxes:
if len(bbox) == 1:
lines.append('')
else:
lines.append(str(bbox[-1]))
# record confidence
record_dir = os.path.dirname(record_file)
if not os.path.isdir(record_dir):
os.makedirs(record_dir)
with open(record_file, 'w') as f:
f.write(str.join('\n', lines))
ops.sys_print(' Results recorded at %s' % record_file)
def _record(self, record_file, bboxes, times):
# record bounding boxes
record_dir = osp.dirname(record_file)
if not osp.isdir(record_dir):
os.makedirs(record_dir)
np.savetxt(record_file, bboxes, fmt='%.3f', delimiter=',')
ops.sys_print(' Results recorded at %s' % record_file)
# record running times
time_dir = osp.join(record_dir, 'times')
if not osp.isdir(time_dir):
os.makedirs(time_dir)
time_file = osp.join(
time_dir,
osp.basename(record_file).replace('.txt', '_time.txt'))
np.savetxt(time_file, times, fmt='%.8f')
def _construct_seq_dict(self, root_dir, subset_dirs):
# image and annotation paths
anno_files = [
glob.glob(osp.join(root_dir, c, 'anno/*.txt')) for c in subset_dirs
]
anno_files = sorted(sum(anno_files, []))
seq_dirs = [
osp.join(osp.dirname(osp.dirname(f)), 'frames',
osp.basename(f)[:-4]) for f in anno_files
]
seq_names = [osp.basename(d) for d in seq_dirs]
# construct seq_dict
seq_dict = {}
for s, seq_name in enumerate(seq_names):
if s % 100 == 0 or s + 1 == len(seq_names):
ops.sys_print('Processing sequence [%d/%d]: %s...' %
(s + 1, len(seq_names), seq_name))
img_files = glob.glob(osp.join(seq_dirs[s], '*.jpg'))
img_files = sorted(img_files,
key=lambda f: int(osp.basename(f)[:-4]))
anno = np.loadtxt(anno_files[s], delimiter=',')
if anno.ndim == 1:
anno = np.expand_dims(anno, axis=0)
anno[:, 2:] = anno[:, :2] + anno[:, 2:] - 1
# meta information
seq_len = len(img_files)
img0 = ops.read_image(img_files[0])
meta = {
'width': img0.shape[1],
'height': img0.shape[0],
'frame_num': seq_len,
'target_num': 1,
'total_instances': seq_len
}
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno,
'meta': meta
}
}
return seq_dict
def _record(self, record_file, bboxes, times):
# record bounding boxes
record_dir = osp.dirname(record_file)
if not osp.isdir(record_dir):
os.makedirs(record_dir)
np.savetxt(record_file, bboxes, fmt='%.3f', delimiter=',')
ops.sys_print(' Results recorded at %s' % record_file)
# record running times
time_file = record_file[:record_file.rfind('_')] + '_time.txt'
times = times[:, np.newaxis]
if osp.exists(time_file):
exist_times = np.loadtxt(time_file, delimiter=',')
if exist_times.ndim == 1:
exist_times = exist_times[:, np.newaxis]
times = np.concatenate((exist_times, times), axis=1)
np.savetxt(time_file, times, fmt='%.8f', delimiter=',')
def test_metric_losses(self):
x = torch.rand(16, 2048)
y = torch.LongTensor([0, 1, 2, 3, 2, 3, 1, 0, 0, 3, 2, 1, 0, 2, 3, 1])
criterions = [
TripletLoss(margin=None, normalize_feats=False),
TripletLoss(margin=0.3, normalize_feats=False),
TripletLoss(margin=None, normalize_feats=True),
TripletLoss(margin=0.3, normalize_feats=True),
CenterLoss(731, 2048)
]
# check losses
for criterion in criterions:
loss = criterion(x, y)
ops.sys_print('Loss[{}]: {:.3f}'.format(
criterion.__class__.__name__, loss.item()))
self.assertGreaterEqual(loss.item(), 0)
def _construct_seq_dict(self, root_dir):
# image and annotation paths
seq_dirs = sorted(glob.glob(
osp.join(root_dir, '*/*_*/')))
seq_dirs = [d[:-1] for d in seq_dirs]
seq_names = [osp.basename(d) for d in seq_dirs]
anno_files = [osp.join(
root_dir, 'annotation/annotation/{}_gt_points.txt'.format(n))
for n in seq_names]
# construct seq_dict
seq_dict = {}
for s, seq_name in enumerate(seq_names):
if s % 50 == 0 or s + 1 == len(seq_names):
ops.sys_print('Processing sequence [%d/%d]: %s...' % (
s + 1, len(seq_names), seq_name))
img_files = sorted(glob.glob(
osp.join(seq_dirs[s], '*.jpg')))
anno = np.loadtxt(anno_files[s])
n = min(len(img_files), len(anno))
assert n > 0
img_files = img_files[:n]
anno = anno[:n]
# meta information
seq_len = len(img_files)
img0 = ops.read_image(img_files[0])
meta = {
'width': img0.shape[1],
'height': img0.shape[0],
'frame_num': seq_len,
'target_num': 1,
'total_instances': seq_len}
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno,
'meta': meta}}
return seq_dict
def _check_net(self, net):
begin = time.time()
out = net(self.input)
end = time.time()
# preserve the last-layer output
if isinstance(out, dict):
key = list(out.keys())[-1]
out = out[key]
elif isinstance(out, list):
out = out[-1]
# print inference information
ops.sys_print('[{}] input: {} output: {} stride: {} '
'speed: {:.1f} fps'.format(net.__class__.__name__,
tuple(self.input.shape),
tuple(out.shape),
net.out_stride,
1. / (end - begin)))
def _construct_seq_dict(self, root_dir, subset, list_file):
# image and annotation paths
with open(list_file, 'r') as f:
seq_names = f.read().strip().split('\n')
seq_dirs = [osp.join(root_dir, subset, s) for s in seq_names]
anno_files = [osp.join(d, 'groundtruth.txt') for d in seq_dirs]
# construct seq_dict
seq_dict = {}
for s, seq_name in enumerate(seq_names):
if s % 100 == 0 or s + 1 == len(seq_names):
ops.sys_print('Processing sequence [%d/%d]: %s...' %
(s + 1, len(seq_names), seq_name))
img_files = sorted(glob.glob(osp.join(seq_dirs[s], '*.jpg')))
anno = np.loadtxt(anno_files[s], delimiter=',', dtype=np.float32)
if anno.ndim == 1:
assert anno.size == 4
anno = anno[np.newaxis, :]
anno[:, 2:] = anno[:, :2] + anno[:, 2:] - 1
# meta information
seq_len = len(img_files)
img0 = ops.read_image(img_files[0])
meta = self._fetch_meta(seq_dirs[s])
meta.update({
'width': img0.shape[1],
'height': img0.shape[0],
'frame_num': seq_len,
'target_num': 1,
'total_instances': seq_len
})
# update seq_dict
seq_dict[seq_name] = {
'img_files': img_files,
'target': {
'anno': anno,
'meta': meta
}
}
return seq_dict
def run(self, tracker, visualize=None):
if visualize is None:
visualize = self.visualize
# sanity check
if not isinstance(tracker, OxUvA_Tracker):
raise ValueError(
'Only supports trackers that implement OxUvA_Tracker.')
ops.sys_print('Running tracker %s on %s...' %
(tracker.name, self.dataset.name))
# loop over the complete dataset
for s, (img_files, target) in enumerate(self.dataset):
seq_name = self.dataset.seq_names[s]
ops.sys_print('--Sequence %d/%d: %s' %
(s + 1, len(self.dataset), seq_name))
# skip if results exist
record_file = osp.join(self.result_dir, tracker.name,
'%s.csv' % seq_name)
if osp.exists(record_file):
ops.sys_print(' Found results, skipping %s' % seq_name)
continue
# tracking loop
preds, times = tracker.forward_test(img_files,
target['anno'][0, :],
visualize=visualize)
assert len(preds) == len(img_files)
# record results
self._record(record_file, preds, times, seq_name, target['meta'])
def run_unsupervised(self, tracker, visualize=False):
ops.sys_print('Running unsupervised experiment...')
# loop over the complete dataset
for s, (img_files, target) in enumerate(self.dataset):
seq_name = self.dataset.seq_names[s]
ops.sys_print('--Sequence %d/%d: %s' %
(s + 1, len(self.dataset), seq_name))
# skip if results exist
record_file = os.path.join(self.result_dir, tracker.name,
'unsupervised', seq_name,
'%s_001.txt' % seq_name)
if os.path.exists(record_file):
ops.sys_print(' Found results, skipping %s' % seq_name)
continue
# rectangular bounding boxes
anno_rects = target['anno'].copy()
if anno_rects.shape[1] == 8:
anno_rects = self.dataset._corner2rect(anno_rects)
# tracking loop
bboxes, times = tracker.forward_test(img_files,
anno_rects[0],
visualize=visualize)
assert len(bboxes) == len(img_files)
# re-formatting
bboxes = list(bboxes)
bboxes[0] = [1]
# record results
self._record(record_file, bboxes, times)
def run(self, tracker, visualize=None):
if visualize is None:
visualize = self.visualize
ops.sys_print('Running tracker %s on %s...' %
(tracker.name, self.dataset.name))
# loop over the complete dataset
for s, (img_files, target) in enumerate(self.dataset):
seq_name = self.dataset.seq_names[s]
ops.sys_print('--Sequence %d/%d: %s' %
(s + 1, len(self.dataset), seq_name))
# skip if results exist
record_file = osp.join(self.result_dir, tracker.name,
'%s.txt' % seq_name)
if osp.exists(record_file):
ops.sys_print(' Found results, skipping', seq_name)
continue
# tracking loop
img_files = img_files[::self.frame_stride]
init_bbox = target['anno'][0]
bboxes, times = tracker.forward_test(img_files,
init_bbox,
visualize=visualize)
assert len(bboxes) == len(img_files)
# record results
self._record(record_file, bboxes, times)
def _check_dataset(self, dataset):
seq_num = len(dataset)
if seq_num == 0:
ops.sys_print('Warning: {} dataset is empty, '
'skip test...'.format(dataset.name))
return
self.assertGreater(seq_num, 0)
ops.sys_print('{} contains {} sequences'.format(dataset.name, seq_num))
# sanity check
inds = random.sample(range(seq_num), min(seq_num, 10))
for i in inds:
img_files, target = dataset[i]
anno, meta = target['anno'], target['meta']
if anno.shape[0] == 1:
continue # test sets
if anno.shape[1] in [4, 8]:
self.assertEqual(len(img_files), len(anno))
else:
self.assertGreaterEqual(len(img_files) - 1, anno[:, 0].max())
# visualization
if self.visualize:
img_files, target = random.choice(dataset)
anno = target['anno']
for f, img_file in enumerate(img_files):
if f >= anno.shape[0]:
break # test sets
if anno.shape[1] == 9:
bboxes = anno[anno[:, 0] == f, 2:6]
elif anno.shape[1] == 8:
break # TODO: points are not supported yet
else:
bboxes = anno[f, :]
img = ops.read_image(img_file)
ops.show_image(img, bboxes, delay=1)