def test(model_input, labels, model, loss_fn=None, batch_size=32):
"""
Args:
model_input: list of tuples containing input to model
labels: list of tuples containing labels corresponding to model input for training
model: (torch.nn.Module) the neural network
loss_fn: a function that takes batch_output and batch_labels and computes the loss for the batch
batch_size: maximum batch_size
Returns:
metrics: dict
"""
metrics = {}
for batch_input, batch_labels in zip(grouper(model_input, batch_size),
grouper(labels, batch_size)):
batch_input = list(
filter(lambda x: x is not None,
batch_input)) # remove None objects introduced by grouper
batch_labels = list(
filter(lambda x: x is not None,
batch_labels)) # remove None objects introduced by grouper
batch_metrics = test_batch(batch_input,
batch_labels,
model,
loss_fn=loss_fn)
add_dict(metrics, batch_metrics)
return metrics
def test_all():
'''testing'''
test_loss = {}
for i, data in enumerate(test_dataloader):
pred_dict, loss_dict = trainer.test(data)
loss_dict['cnt'] = 1
add_dict(test_loss, loss_dict)
cnt = test_loss.pop('cnt')
log_loss_summary(test_loss, cnt, lambda x, y: log_string('real_test {} is {}'.format(x, y)))
def floyd_warshall1(graph):
"""solve all point's shortest path
O(|V|^3)
get shortest path of all vertex
Parameters
------
graph: ALGraph
Returns
-------
dict{dict{}}
example:
>>> a, b, c, d, e = range(1,6) # One-based
>>> W = {
>>> a: {c:1, d:7},
>>> b: {a:4},
>>> c: {b:-5, e:2},
>>> d: {c:6},
>>> e: {a:3, b:8, d:-4}
>>> }
>>> for u in W:
>>> for v in W:
>>> if u == v: W[u][v] = 0
>>> if v not in W[u]: W[u][v] = utils.INF
>>> D = floyd_warshall1(W)
>>> print [D[a][v] for v in [a, b, c, d, e]] # [0, -4, 1, -1, 3]
>>> print [D[b][v] for v in [a, b, c, d, e]] # [4, 0, 5, 3, 7]
>>> print [D[c][v] for v in [a, b, c, d, e]] # [-1, -5, 0, -2, 2]
>>> print [D[d][v] for v in [a, b, c, d, e]] # [5, 1, 6, 0, 8]
>>> print [D[e][v] for v in [a, b, c, d, e]] # [1, -3, 2, -4, 0]
"""
distance = copy.deepcopy(graph)
for k in distance:
for u in distance:
for v in distance:
a, b = 0, 0
try:
a = distance[u][v]
except:
a = utils.INF
try:
b = distance[u][k] + distance[k][v]
except:
b = utils.INF
else:
utils.add_dict(distance, u, v, min(a, b))
return distance
def save_per_diff(self):
output_path = self.cfg['experiment_dir']
timestamp = time.strftime("%m-%d-%H-%M-%S")
with open(pjoin(output_path, f'{timestamp}.pkl'), 'wb') as f:
pickle.dump(self.per_diff_dict, f)
avg_dict = {}
for inst in self.per_diff_dict:
add_dict(avg_dict, self.per_diff_dict[inst])
log_loss_summary(
avg_dict, len(self.per_diff_dict),
lambda x, y: print('Test_Real_Avg {} is {}'.format(x, y)))
per_dict_to_csv(self.per_diff_dict,
pjoin(output_path, f'{timestamp}.csv'))
print(timestamp)
def test_all():
'''testing'''
test_loss = {}
for i, data in enumerate(test_dataloader):
pred_dict, loss_dict = trainer.test(data)
loss_dict['cnt'] = 1
add_dict(test_loss, loss_dict)
cnt = test_loss.pop('cnt')
log_loss_summary(test_loss, cnt,
lambda x, y: log_string('Test {} is {}'.format(x, y)))
if val_dataloader is not None:
val_loss = {}
for i, data in enumerate(val_dataloader):
pred_dict, loss_dict = trainer.test(data)
loss_dict['cnt'] = 1
add_dict(val_loss, loss_dict)
cnt = val_loss.pop('cnt')
log_loss_summary(
val_loss, cnt, lambda x, y: log_string('{} {} is {}'.format(
args.use_val, x, y)))
def interpret_file(lines, fdict):
'''
This function acts like the main loop. It has side effects. Unfortunately this program sorta lends itself to those. Or it might just be that i'm not a real programmer. Likely the latter.
'''
statedict = {'absolute' : True, 'inches' : True}
args = {'X':0, 'Y':0, 'Z':0, 'SD' : statedict}
for l in lines:
#The 'e' represents the args and predicate from the expression
epred, eargs = parse.line(l)
args['OX'], args['OY'], args['OZ'], args['OC'] = args['X'], args['Y'], args['Z'], [epred, eargs]
args = utils.add_dict(args, eargs)
if not statedict['absolute']:
#If incremental
for x in ['X', 'Y', 'Z']:
args[c] += args['O' + c]
if epred in fdict.keys():
fdict[epred](args)
else:
#This is just so I know what to implement
print epred
return statedict
def compute_loss(self,
test=False,
per_instance=False,
eval_iou=False,
test_prefix=None):
feed_dict = self.feed_dict
pred_dict = self.pred_dict
loss_dict = {}
avg_pose_diff, all_pose_diff = {}, {}
avg_init_diff, all_init_diff = {}, {}
avg_iou, all_iou = {}, {}
avg_seg_loss, all_seg_loss = [], {}
avg_nocs_loss, all_nocs_loss = [], {}
gt_corners = feed_dict[0]['meta']['nocs_corners'].float().to(
self.device)
for i, pred_pose in enumerate(pred_dict['poses']):
pose_diff, per_diff = eval_part_full(feed_dict[i]['gt_part'],
pred_pose,
per_instance=per_instance,
yaxis_only=self.sym)
if i > 0:
add_dict(avg_pose_diff, pose_diff)
if per_instance:
self.record_per_diff(feed_dict[i], per_diff)
all_pose_diff[i] = deepcopy(pose_diff)
if i > 0:
init_pose_diff, init_per_diff = eval_part_full(
feed_dict[i]['gt_part'],
pred_dict['poses'][i - 1],
per_instance=per_instance,
yaxis_only=self.sym)
add_dict(avg_init_diff, init_pose_diff)
all_init_diff[i] = deepcopy(init_pose_diff)
if i > 0:
if 'labels' in self.npcs_feed_dict[i]:
seg_loss = compute_miou_loss(
pred_dict['npcs_pred'][i]['seg'],
self.npcs_feed_dict[i]['labels'],
per_instance=False)
avg_seg_loss.append(seg_loss)
all_seg_loss[i] = seg_loss
pred_labels = torch.max(pred_dict['npcs_pred'][i]['seg'],
dim=-2)[1] # [B, P, N] -> [B, N]
if 'nocs' in self.npcs_feed_dict[i]:
nocs_loss = compute_nocs_loss(
pred_dict['npcs_pred'][i]['nocs'],
self.npcs_feed_dict[i]['nocs'],
labels=pred_labels,
confidence=None,
loss='l2',
self_supervise=False,
per_instance=False)
avg_nocs_loss.append(nocs_loss)
all_nocs_loss[i] = nocs_loss
pred_nocs = choose_coord_by_label(
pred_dict['npcs_pred'][i]['nocs'].transpose(-1, -2),
pred_labels)
if eval_iou:
pred_corners = get_pred_nocs_corners(
pred_labels, pred_nocs, self.num_parts)
pred_corners = torch.tensor(pred_corners).to(
self.device).float()
def calc_iou(gt_pose, pred_pose):
iou, per_iou = eval_single_part_iou(gt_corners,
pred_corners,
gt_pose,
pred_pose,
separate='both',
nocs=self.nocs_otf,
sym=self.sym)
return iou, per_iou
iou, per_iou = calc_iou(feed_dict[i]['gt_part'], pred_pose)
add_dict(avg_iou, iou)
if per_instance:
self.record_per_diff(feed_dict[i], per_iou)
all_iou[i] = deepcopy(iou)
avg_pose_diff = divide_dict(avg_pose_diff, len(pred_dict['poses']) - 1)
avg_init_diff = divide_dict(avg_init_diff, len(pred_dict['poses']) - 1)
loss_dict.update({
'avg_pred': avg_pose_diff,
'avg_init': avg_init_diff,
'frame_pred': all_pose_diff,
'frame_init': all_init_diff
})
if len(avg_seg_loss) > 0:
avg_seg_loss = torch.mean(torch.stack(avg_seg_loss))
loss_dict.update({
'avg_seg': avg_seg_loss,
'frame_seg': all_seg_loss
})
if len(avg_nocs_loss) > 0:
avg_nocs_loss = torch.mean(torch.stack(avg_nocs_loss))
loss_dict.update({
'avg_nocs': avg_nocs_loss,
'frame_seg': all_nocs_loss
})
if eval_iou:
avg_iou = divide_dict(avg_iou, len(pred_dict['poses']) - 1)
loss_dict.update({'avg_iou': avg_iou, 'frame_iou': all_iou})
self.loss_dict = loss_dict
def main(args):
def log_string(str):
logger.info(str)
print(str)
cfg = get_config(args)
'''LOG'''
log_dir = pjoin(cfg['experiment_dir'], 'log')
ensure_dirs(log_dir)
logger = logging.getLogger("TrainModel")
logger.setLevel(logging.INFO)
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
file_handler = logging.FileHandler('%s/log.txt' % (log_dir))
file_handler.setLevel(logging.INFO)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
log_string('PARAMETER ...')
log_string(cfg)
'''DATA'''
train_dataloader = get_dataloader(cfg, 'train', shuffle=True)
test_dataloader = get_dataloader(cfg, 'test')
if args.use_val is not None:
val_dataloader = get_dataloader(cfg, args.use_val)
else:
val_dataloader = None
'''TRAINER'''
trainer = Trainer(cfg, logger)
start_epoch = trainer.resume()
def test_all():
'''testing'''
test_loss = {}
for i, data in enumerate(test_dataloader):
pred_dict, loss_dict = trainer.test(data)
loss_dict['cnt'] = 1
add_dict(test_loss, loss_dict)
cnt = test_loss.pop('cnt')
log_loss_summary(test_loss, cnt,
lambda x, y: log_string('Test {} is {}'.format(x, y)))
if val_dataloader is not None:
val_loss = {}
for i, data in enumerate(val_dataloader):
pred_dict, loss_dict = trainer.test(data)
loss_dict['cnt'] = 1
add_dict(val_loss, loss_dict)
cnt = val_loss.pop('cnt')
log_loss_summary(
val_loss, cnt, lambda x, y: log_string('{} {} is {}'.format(
args.use_val, x, y)))
for epoch in range(start_epoch, cfg['total_epoch']):
trainer.step_epoch()
train_loss = {}
'''training'''
for i, data in enumerate(train_dataloader):
loss_dict = trainer.update(data)
loss_dict['cnt'] = 1
add_dict(train_loss, loss_dict)
cnt = train_loss.pop('cnt')
log_loss_summary(
train_loss, cnt,
lambda x, y: log_string('Train {} is {}'.format(x, y)))
if (epoch + 1) % cfg['freq']['save'] == 0:
trainer.save()
test_all()
args = parse_args()
cfg = get_config(args, save=False)
base_path = cfg['obj']['basepath']
obj_category = cfg['obj_category']
obj_info = cfg['obj_info']
data_path = pjoin(cfg['experiment_dir'], 'results', 'data')
all_raw = os.listdir(data_path)
all_raw = sorted(all_raw)
error_dict = {}
for i, raw in enumerate(all_raw):
name = raw.split('.')[-2]
with open(pjoin(data_path, raw), 'rb') as f:
data = pickle.load(f)
cur_dict = eval_data(name, data, obj_info)
error_dict.update(cur_dict)
err_path = pjoin(cfg['experiment_dir'], 'results', 'err.pkl')
with open(err_path, 'wb') as f:
pickle.dump(error_dict, f)
avg_dict = {}
for inst in error_dict:
add_dict(avg_dict, error_dict[inst])
log_loss_summary(avg_dict, len(error_dict),
lambda x, y: print(f'{x}: {y}'))
per_dict_to_csv(error_dict, err_path.replace('pkl', 'csv'))
def main(args):
def log_string(str):
logger.info(str)
print(str)
cfg = get_config(args, save=False)
'''LOG'''
log_dir = pjoin(cfg['experiment_dir'], 'log')
ensure_dirs(log_dir)
logger = logging.getLogger("TestModel")
logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
file_handler = logging.FileHandler('%s/log_test.txt' % (log_dir))
file_handler.setLevel(logging.INFO)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
log_string('PARAMETER ...')
log_string(cfg)
'''TRAINER'''
trainer = Trainer(cfg, logger)
trainer.resume()
'''testing'''
save = cfg['save']
no_eval = cfg['no_eval']
dataset_name = args.mode_name
test_dataloader = get_dataloader(cfg, dataset_name)
test_loss = {'cnt': 0}
zero_time = time.time()
time_dict = {'data_proc': 0.0, 'network': 0.0}
total_frames = 0
for i, data in tqdm(enumerate(test_dataloader), total=len(test_dataloader), smoothing=0.9):
num_frames = len(data)
total_frames += num_frames
print(f'Trajectory {i}, {num_frames:8} frames****************************')
start_time = time.time()
elapse = start_time - zero_time
time_dict['data_proc'] += elapse
print(f'Data Preprocessing: {elapse:8.2f}s {num_frames / elapse:8.2f}FPS')
pred_dict, loss_dict = trainer.test(data, save=save, no_eval=no_eval)
elapse = time.time() - start_time
time_dict['network'] += elapse
print(f'Network Forwarding: {elapse:8.2f}s {num_frames / elapse:8.2f}FPS')
loss_dict['cnt'] = 1
add_dict(test_loss, loss_dict)
zero_time = time.time()
print(f'Overall, {total_frames:8} frames****************************')
print(f'Data Preprocessing: {time_dict["data_proc"]:8.2f}s {total_frames / time_dict["data_proc"]:8.2f}FPS')
print(f'Network Forwarding: {time_dict["network"]:8.2f}s {total_frames / time_dict["network"]:8.2f}FPS')
if cfg['batch_size'] > 1:
print(f'PLEASE SET batch_size = 1 TO TEST THE SPEED. CURRENT BATCH_SIZE: cfg["batch_size"]')
cnt = test_loss.pop('cnt')
log_loss_summary(test_loss, cnt, lambda x, y: log_string('Test {} is {}'.format(x, y)))
if save and not no_eval:
trainer.model.save_per_diff()
def train_and_evaluate(input_train,
labels_train,
input_val,
labels_val,
model,
optimizer,
loss_fn,
epochs=1,
batch_size=32,
clip=None,
show_progress=True,
writer=None,
model_save_dir=None,
starting_epoch=1,
initial_best_val_acc=-0.01):
"""Trains and tests the model (on the validation set). Additionally saves the model with best val accuracy.
Args:
input_train: list of tuples containing model input for training
labels_train: list of tuples containing labels corresponding to model input for training
input_val: list of tuples containing model input for validation
labels_val list of tuples containing labels corresponding to model input for validation
model: (torch.nn.Module) the neural network
optimizer: (torch.optim) optimizer for parameters of model
loss_fn: a function that takes batch_output and batch_labels and computes the loss for the batch
epochs: number of epochs to run
batch_size: maximum batch_size
clip: the value to which clip the norm of gradients to
writer: tensorboardX.SummaryWriter
model_save_dir: directory where to save the model
starting_epoch: epoch number to start with.
initial_best_val_acc: initial best accuracy on validation set, useful if resuming training.
"""
best_val_acc = initial_best_val_acc
if show_progress:
t = trange(starting_epoch, starting_epoch + epochs)
else:
t = range(starting_epoch, starting_epoch + epochs)
for epoch_num in t:
# shuffle training data
input_train, labels_train = shuffle_together(input_train, labels_train)
epoch_metrics = {
} # dictionary which stores metrics for a particular epoch.
for batch_input, batch_labels in zip(grouper(input_train, batch_size),
grouper(labels_train,
batch_size)):
batch_input = list(filter(
lambda x: x is not None,
batch_input)) # remove None objects introduced by grouper
batch_labels = list(filter(
lambda x: x is not None,
batch_labels)) # remove None objects introduced by grouper
batch_metrics = train(batch_input, batch_labels, model, optimizer,
loss_fn, clip)
add_dict(epoch_metrics, batch_metrics)
val_metrics = test(input_val, labels_val, model, loss_fn, batch_size)
epoch_metrics = divide_dict(epoch_metrics, len(input_train))
val_metrics = divide_dict(val_metrics, len(input_val))
# Saves best model till now.
if model_save_dir:
if val_metrics['acc'] > best_val_acc:
best_val_acc = val_metrics['acc']
save_model(epoch_num, {
'epoch_num': epoch_num,
'val_acc': val_metrics['acc'],
'model_state': model.state_dict(),
'optimizer_state': optimizer.state_dict()
},
model_save_dir,
filename='best.model')
metrics = {
**add_string_to_key(epoch_metrics, 'train'),
**add_string_to_key(val_metrics, 'val')
}
# Write to tensorboard
if writer is not None:
for key, value in metrics.items():
writer.add_scalar(key, value, epoch_num)
if show_progress:
t.set_postfix(metrics)
def main(args):
def log_string(str):
logger.info(str)
print(str)
cfg = get_config(args)
'''LOG'''
log_dir = pjoin(cfg['experiment_dir'], 'log')
ensure_dirs(log_dir)
logger = logging.getLogger("TrainModel")
logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
file_handler = logging.FileHandler('%s/log_finetune.txt' % (log_dir))
file_handler.setLevel(logging.INFO)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
log_string('PARAMETER ...')
log_string(cfg)
'''DATA'''
test_dataloader = get_dataloader(cfg, args.use_val, downsampling=args.downsample)
train_real_dataloader = get_dataloader(cfg, 'real_train', shuffle=True)
syn_train_len = len(train_real_dataloader) * args.syn_n
train_syn_dataloader = get_dataloader(cfg, 'train', shuffle=True)
syn_train_cycle = iter(train_syn_dataloader)
num_div = len(train_syn_dataloader) // syn_train_len
'''TRAINER'''
trainer = Trainer(cfg, logger)
start_epoch = trainer.resume()
def test_all():
'''testing'''
test_loss = {}
for i, data in enumerate(test_dataloader):
pred_dict, loss_dict = trainer.test(data)
loss_dict['cnt'] = 1
add_dict(test_loss, loss_dict)
cnt = test_loss.pop('cnt')
log_loss_summary(test_loss, cnt, lambda x, y: log_string('real_test {} is {}'.format(x, y)))
test_all()
for epoch in range(start_epoch, cfg['total_epoch']):
trainer.step_epoch()
'''training'''
if not args.real_only:
train_loss = {}
for i in range(syn_train_len):
data = next(syn_train_cycle)
loss_dict = trainer.update(data)
loss_dict['cnt'] = 1
add_dict(train_loss, loss_dict)
cnt = train_loss.pop('cnt')
log_loss_summary(train_loss, cnt, lambda x, y: log_string('Syn_Train {} is {}'.format(x, y)))
train_loss = {}
for i, data in enumerate(train_real_dataloader):
loss_dict = trainer.update(data)
loss_dict['cnt'] = 1
add_dict(train_loss, loss_dict)
cnt = train_loss.pop('cnt')
log_loss_summary(train_loss, cnt, lambda x, y: log_string('Real_Train {} is {}'.format(x, y)))
if (epoch + 1) % cfg['freq']['save'] == 0:
trainer.save()
test_all()
if (epoch + 1) % num_div == 0:
syn_train_cycle = iter(train_syn_dataloader)
