def _tmp_save(self, idx):
dir_check(ops.join(self.config["dataset_root"], self.tmp))
np.save(
ops.join(self.config["dataset_root"], self.tmp, '%d.npy' % idx),
self.features)
del self.features
self.features = None
def __init__(self, config, model, dataset, folder_probs):
self.config = config
self.folder_probs = folder_probs
ctx = mp.get_context('spawn')
self._queue = ctx.Queue()
torch.manual_seed(self.config["seed"])
self.model = model
self.model.cpu()
self.model.eval()
self.dataset = dataset
dir_check(ops.join(self.config["dataset_root"], config["out_probs"]))
for i in range(len(self.dataset)):
self._queue.put(i)
def save_probs(config, dataloader, model):
dir_check(ops.join(config["dataset_root"], config["out_probs"]))
logger.debug('forward data and save probabilities')
torch.manual_seed(config["seed"])
model.eval()
model.cpu() # not sure that need it
with torch.no_grad():
for idx, (features, name) in enumerate(dataloader):
output = model(features).numpy()
np.save(
ops.join(config["dataset_root"], config["out_probs"], name),
output)
def test(config, video_name, label2idx, idx2label, folder_probs, folder_seg):
print(folder_probs, video_name)
probs = np.load(ops.join(folder_probs, video_name + '.npy'))
if np.min(probs) == 0:
probs[probs == 0] = np.inf
probs[probs == np.inf] = np.min(probs)
log_probs = np.log(probs)
mean_lengths = np.squeeze(np.ones((len(idx2label), 1)) * 150)
length_model = FlatModel(mean_lengths, max_length=2000)
file_grammar_path = ops.join(config["transcripts"], video_name + '.txt')
grammar = PathGrammar(file_grammar_path, label2idx)
viterbi_decoder = Viterbi(grammar,
length_model,
frame_sampling=20,
max_hypotheses=50000)
score, labels, segments = viterbi_decoder.decode(log_probs)
# write result to file
dir_check(ops.join(folder_seg))
out_file = ops.join(folder_seg, video_name + '.txt')
with open(out_file, 'w') as f:
for label in labels:
f.write('%s\n' % idx2label[label])
# read gt
video_gt = []
with open(ops.join(config["gt"], video_name + '.txt'), 'r') as f:
for line in f:
line = line.strip()
idx = label2idx[line]
video_gt.append(idx)
# set labels and gt to same length
if len(labels) < len(video_gt):
# do padding with last label:
labels_new = np.squeeze(np.zeros((len(video_gt), 1)))
labels_new[:len(labels)] = labels
labels_new[len(labels):len(video_gt)] = labels[-1]
labels = labels_new
if len(labels) > len(video_gt):
labels = labels[:len(video_gt)]
return labels, video_gt
def plot(self, iter=0, show=True, gt_plot=0, prefix=''):
if iter is not None:
self._counter = iter
plt.scatter(self._result[..., 0],
self._result[..., 1],
c=self._labels,
s=self._sizes,
alpha=0.5)
plt.grid(True)
if self._save:
# plt.figure(figsize=(1))
dir_check(join(opt.dataset_root, 'plots'))
dir_check(join(opt.dataset_root, 'plots', opt.subaction))
pose_segm = ['!pose_', ''][opt.pose_segm]
name = ['iter%d' % self._counter, 'gt', 'time'][gt_plot]
name += '_%s.png' % self._mode
name = prefix + '%s_%s_' % (opt.subaction, opt.tr_type) + name
# if opt.grid_search:
weight = ['w%d_' % int(opt.time_weight), ''][opt.time_weight == 1]
folder_name = '%s_%slr_%.1e_dim_%d_ep_%d' % \
(opt.prefix, pose_segm, opt.lr, opt.embed_dim, opt.epochs)
folder_name = opt.prefix + weight + folder_name
dir_check(
join(opt.dataset_root, 'plots', opt.subaction, folder_name))
plt.savefig(join(opt.dataset_root, 'plots', opt.subaction,
folder_name, name),
dpi=400)
# else:
# plt.savefig(join(opt.dataset_root, 'plots', opt.subaction, name), dpi=400)
if show:
plt.show()
def save_probs(self, n_video):
features, name = self.dataset[n_video]
with torch.no_grad():
output = self.model(features).numpy()
# compute softmax for linear output ... remove this if neede
output = self.softmax(output)
if self.config["get_cond_probs"] > 0:
# avoid divide by zero ...
if np.min(output) == 0:
output[output == 0] = np.inf
output[output == np.inf] = np.min(output)
# go to log space ....
log_probs = np.log(output)
# prior = np.loadtxt(ops.join(opt.dataset_root, opt.prior))
prior = np.load(
ops.join(
self.config["model_folder"], '%s%d.probs.npy' %
(self.config["log_str"], self.config["test_epoch"])))
prior = np.squeeze(prior)
log_prior = np.log(prior)
# log_prior = np.nan_to_num(log_prior)
log_prior[prior == 0] = 0
log_probs = log_probs - log_prior
# set bg separtly
log_probs[:, -1] = np.mean(log_probs[:, :-1])
if np.max(log_probs) > 0:
log_probs -= 2 * np.max(log_probs)
output = np.exp(log_probs)
dir_check(folder_probs)
np.save(ops.join(folder_probs, name), output)
""" From one hot encoding labeling to my format of gt
"""
__author__ = 'Anna Kukleva'
__date__ = 'September 2018'
import os
import re
import numpy as np
from utils.arg_pars import logger, opt
from utils.utils import dir_check
actions = ['coffee', 'changing_tire', 'cpr', 'jump_car', 'repot']
gt_folder = '/media/data/kukleva/lab/YTInstructions/VISION_txt_annot'
dir_check(opt.gt)
label2idx = {}
idx2label = {}
videos = {}
for root, dirs, files in os.walk(gt_folder):
for filename in files:
segmentation = []
with open(os.path.join(root, filename), 'r') as f:
for line in f:
line = line.split()
line = list(map(lambda x: int(x), line))
label = -1 if line[-1] == 1 else np.where(line)[0][0]
if label != -1:
def save_likelihood(self):
"""Used for multiprocessing"""
dir_check(os.path.join(opt.data, 'likelihood'))
np.savetxt(os.path.join(opt.data, 'likelihood', self.name),
self._likelihood_grid)
labels_new[len(labels):len(video_gt)] = labels[-1]
labels = labels_new
if len(labels) > len(video_gt):
labels = labels[:len(video_gt)]
return labels, video_gt
if __name__ == '__main__':
with open('../config/train_config_relu_org_files_2048dim.json'
) as config_file:
config = json.load(config_file)
# create dir if needed
dir_check(ops.join(config["out_segmentation"]))
# sample code for computing segmentation and accuracy for every 2 epochs int the range of 0-50
all_res = []
epochs_processed = []
for i in range(0, 50, 2):
try:
config["test_epoch"] = i
folder_probs = ops.join(config["out_probs"],
str(config["test_epoch"]))
folder_seg = ops.join(config["out_segmentation"],
str(config["test_epoch"]))
logger_setup(config)
def training(config, data, **kwargs):
"""Training pipeline for embedding.
Args:
data: iterator within dataset
epochs: how much training epochs to perform
n_subact: number of subactions in current complex activity
mnist: if training with mnist dataset (just to test everything how well
it works)
Returns:
trained pytorch model
"""
logger.debug('create model')
torch.manual_seed(config["seed"])
model = kwargs['model']
loss = kwargs['loss']
optimizer = kwargs['optimizer']
create_dataloader = lambda x: \
torch.utils.data.DataLoader(x, batch_size=config["batch_size"],
shuffle=True, num_workers=config["num_workers"])
if config["sparse"]:
dataset = data
data = create_dataloader(dataset)
cudnn.benchmark = True
batch_time = Averaging()
data_time = Averaging()
losses = Averaging()
adjustable_lr = config["lr"]
logger.debug('epochs: %s', config["epochs"])
for epoch in range(config["epochs"]):
model.cuda()
model.train()
logger.debug('Epoch # %d' % epoch)
if config["lr_adj"]:
if epoch % (50) == 0 and epoch > 0:
adjustable_lr = adjust_lr(optimizer, adjustable_lr)
logger.debug('lr: %f' % adjustable_lr)
end_time = time.time()
# start_time = time.time();
print(len(data))
train_acc_epoch = torch.zeros((1, 1))
time_epoch = time.time()
for i, (features, labels) in enumerate(data):
# print i
data_time.update(time.time() - end_time)
features = features.float().cuda(non_blocking=True)
labels = labels.long().cuda()
#labels_one_hot = _to_one_hot(labels, config["n_classes"])
output = model(features)
max_index = output.max(dim=1)[1]
train_acc = (max_index == labels).sum()
train_acc_epoch = train_acc_epoch + train_acc
loss_values = loss(output, labels)
losses.update(loss_values.item(), features.size(0))
optimizer.zero_grad()
loss_values.backward()
optimizer.step()
batch_time.update(time.time() - end_time)
end_time = time.time()
'''
if i % 5000 == 0 and i:
logger.debug('Epoch: [{0}][{1}/{2}]\t'
'Time {batch_time.val:.3f} ({batch_time.avg:.3f})\t'
'Data {data_time.val:.3f} ({data_time.avg:.3f})\t'
'Loss {loss.val:.4f} ({loss.avg:.4f})\t'.format(
epoch, i, len(data), batch_time=batch_time,
data_time=data_time, loss=losses))
# print(time.time() - start_time);
# start_time = time.time();
'''
logger.debug('duration: %f' % (time.time() - time_epoch))
logger.debug('train_err: %f' % (1 -
((train_acc_epoch.cpu()).numpy() /
(len(data) * config["batch_size"]))))
logger.debug('loss: %f' % losses.avg)
losses.reset()
if epoch % 1 == 0 and config["save_model"]:
save_dict = {
'epoch': epoch,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict()
}
dir_check(config["model_folder"])
logger.debug('Saving model to: %s' %
ops.join(config["model_folder"], '%s%d.pth.tar' %
(config["log_str"], epoch)))
torch.save(
save_dict,
ops.join(config["model_folder"],
'%s%d.pth.tar' % (config["log_str"], epoch)))
logger.debug('Saving probs to: %s' %
ops.join(config["model_folder"], '%s%d.probs' %
(config["log_str"], epoch)))
data.dataset.save_probs(
ops.join(config["model_folder"],
'%s%d.probs' % (config["log_str"], epoch)))
if config["sparse"]:
dataset.next_epoch()
data = create_dataloader(dataset)
if config["save_model"]:
save_dict = {
'epoch': config["epochs"],
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict()
}
dir_check(config["model_folder"])
logger.debug('Saving model to: %s' %
ops.join(config["model_folder"], '%s%d.pth.tar' %
(config["log_str"], epoch)))
torch.save(
save_dict,
ops.join(config["model_folder"],
'%s%d.pth.tar' % (config["log_str"], epoch)))
logger.debug('Saving probs to: %s' %
ops.join(config["model_folder"], '%s%d.probs' %
(config["log_str"], epoch)))
data.dataset.save_probs(
ops.join(config["model_folder"],
'%s%d.probs' % (config["log_str"], epoch)))
return model
dataset = TestDataset(config)
dataloader = iter(dataset)
save_probs(config, dataloader, model)
if __name__ == '__main__':
# load config file
with open('../config/train_config_relu_org_files_2048dim.json'
) as config_file:
config = json.load(config_file)
print(config["out_probs"])
logger_setup(config)
# create dir if needed
dir_check(ops.join(config["out_probs"]))
# sample code for computing output probabilities for every two epochs in the range of 0-50
len_last_str = 0
epochs_processed = []
for i in range(0, 50, 2):
config["test_epoch"] = i
folder_probs = ops.join(config["out_probs"], str(config["test_epoch"]))
len_last_str = len(str(i))
logger_setup(config)
try:
save_mp(config, folder_probs)
epochs_processed.append(i)
except:
def training(train_loader, epochs, n_subact=0, save=True, **kwargs):
"""Training pipeline for embedding.
Args:
train_loader: iterator within dataset
epochs: how much training epochs to perform
n_subact: number of subactions in current complex activity
mnist: if training with mnist dataset (just to test everything how well
it works)
Returns:
trained pytorch model
"""
logger.debug('create model')
torch.manual_seed(opt.seed)
np.random.seed(opt.seed)
try:
model = kwargs['model']
loss = kwargs['loss']
optimizer = kwargs['optimizer']
except KeyError:
model = Embedding(embed_dim=opt.embed_dim,
feature_dim=opt.feature_dim,
n_subact=n_subact).cuda()
loss = RankLoss(margin=0.2).cuda()
optimizer = torch.optim.SGD(model.parameters(),
lr=opt.lr,
momentum=opt.momentum,
weight_decay=opt.weight_decay)
cudnn.benchmark = True
batch_time = AverageMeter()
data_time = AverageMeter()
losses = AverageMeter()
vis = Visual()
best_acc = -1
_lr = opt.lr
logger.debug('epochs: %s', epochs)
loss_previous = np.inf
for epoch in range(epochs):
model.cuda()
model.train()
logger.debug('Epoch # %d' % epoch)
if opt.lr_adj:
# if epoch in [int(epochs * 0.3), int(epochs * 0.7)]:
# if epoch in [int(epochs * 0.5)]:
if epoch % 30 == 0 and epoch > 0:
_lr = adjust_lr(optimizer, _lr)
logger.debug('lr: %f' % _lr)
end = time.time()
for i, (input, k, _) in enumerate(train_loader):
# TODO: not sure that it's necessary
data_time.update(time.time() - end)
input = input.float().cuda(non_blocking=True)
k = k.float().cuda()
output = model(input)
loss_values = loss(output, k)
losses.update(loss_values.item(), input.size(0))
optimizer.zero_grad()
loss_values.backward()
optimizer.step()
batch_time.update(time.time() - end)
end = time.time()
if i % 100 == 0 and i:
logger.debug(
'Epoch: [{0}][{1}/{2}]\t'
'Time {batch_time.val:.3f} ({batch_time.avg:.3f})\t'
'Data {data_time.val:.3f} ({data_time.avg:.3f})\t'
'Loss {loss.val:.4f} ({loss.avg:.4f})\t'.format(
epoch,
i,
len(train_loader),
batch_time=batch_time,
data_time=data_time,
loss=losses))
logger.debug('loss: %f' % losses.avg)
losses.reset()
if save:
save_dict = {
'epoch': epoch,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict()
}
dir_check(join(opt.dataset_root, 'models'))
dir_check(join(opt.dataset_root, 'models', kwargs['name']))
torch.save(
save_dict,
join(opt.dataset_root, 'models', kwargs['name'],
'%s.pth.tar' % opt.log_str))
return model
def training(dataloader, **kwargs):
"""Training pipeline for embedding.
Args:
dataloader: iterator within dataset
epochs: how much training epochs to perform
n_subact: number of subactions in current complex activity
mnist: if training with mnist dataset (just to test everything how well
it works)
Returns:
trained pytorch model
"""
logger.debug('create model')
torch.manual_seed(opt.seed)
model = kwargs['model']
loss = kwargs['loss']
optimizer = kwargs['optimizer']
cudnn.benchmark = True
batch_time = Averaging()
data_time = Averaging()
losses = Averaging()
adjustable_lr = opt.lr
logger.debug('epochs: %s', opt.epochs)
for epoch in range(opt.epochs):
model.train()
logger.debug('Epoch # %d' % epoch)
if opt.lr_adj:
if epoch % 5 == 0 and epoch > 0:
adjustable_lr = adjust_lr(optimizer, adjustable_lr)
logger.debug('lr: %f' % adjustable_lr)
end = time.time()
for i, (features, labels) in enumerate(dataloader):
data_time.update(time.time() - end)
features = features.cuda(non_blocking=True)
# features = features.float().cuda(non_blocking=True)
labels = labels.long().cuda()
output = model(features)
loss_values = loss(output, labels)
losses.update(loss_values.item(), labels.size(0))
optimizer.zero_grad()
loss_values.backward()
optimizer.step()
batch_time.update(time.time() - end)
end = time.time()
if i % 100 == 0 and i:
logger.debug(
'Epoch: [{0}][{1}/{2}]\t'
'Time {batch_time.val:.3f} ({batch_time.avg:.3f})\t'
'Data {data_time.val:.3f} ({data_time.avg:.3f})\t'
'Loss {loss.val:.4f} ({loss.avg:.4f})\t'.format(
epoch,
i,
len(dataloader),
batch_time=batch_time,
data_time=data_time,
loss=losses))
logger.debug('loss: %f' % losses.avg)
losses.reset()
if epoch % 1 == 0:
save_dict = {
'epoch': epoch,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict()
}
dir_check(ops.join(opt.dataset_root, 'models'))
torch.save(
save_dict,
ops.join(opt.dataset_root, 'models',
'%s%d.pth.tar' % (opt.log_str, epoch)))
if opt.save_model:
save_dict = {
'epoch': opt.epochs,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict()
}
dir_check(ops.join(opt.dataset_root, 'models'))
torch.save(
save_dict,
ops.join(opt.dataset_root, 'models',
'%s%d.pth.tar' % (opt.log_str, opt.epochs)))
return model
