######################################################################
parser = argparse.ArgumentParser(
- description = 'Simple convnet test on the SVRT.',
+ description = "Convolutional networks for the SVRT. Written by Francois Fleuret, (C) Idiap research institute.",
formatter_class = argparse.ArgumentDefaultsHelpFormatter
)
-parser.add_argument('--nb_train_batches',
- type = int, default = 1000,
- help = 'How many samples for train')
+parser.add_argument('--nb_train_samples',
+ type = int, default = 100000)
-parser.add_argument('--nb_test_batches',
- type = int, default = 100,
- help = 'How many samples for test')
+parser.add_argument('--nb_test_samples',
+ type = int, default = 10000)
parser.add_argument('--nb_epochs',
- type = int, default = 50,
- help = 'How many training epochs')
+ type = int, default = 50)
parser.add_argument('--batch_size',
- type = int, default = 100,
- help = 'Mini-batch size')
+ type = int, default = 100)
parser.add_argument('--log_file',
- type = str, default = 'cnn-svrt.log',
- help = 'Log file name')
+ type = str, default = 'default.log')
parser.add_argument('--compress_vignettes',
- action='store_true', default = False,
+ action='store_true', default = True,
help = 'Use lossless compression to reduce the memory footprint')
+parser.add_argument('--deep_model',
+ action='store_true', default = True,
+ help = 'Use Afroze\'s Alexnet-like deep model')
+
parser.add_argument('--test_loaded_models',
action='store_true', default = False,
- help = 'Should we compute the test error of models we load')
+ help = 'Should we compute the test errors of loaded models')
args = parser.parse_args()
print(Fore.RED + 'Logging into ' + args.log_file + Style.RESET_ALL)
-def log_string(s):
+# Log and prints the string, with a time stamp. Does not log the
+# remark
+def log_string(s, remark = ''):
global pred_log_t
t = time.time()
pred_log_t = t
- s = Fore.BLUE + time.ctime() + ' ' + Fore.GREEN + elapsed + Style.RESET_ALL + ' ' + s
- log_file.write(s + '\n')
+ log_file.write('[' + time.ctime() + '] ' + elapsed + ' ' + s + '\n')
log_file.flush()
- print(s)
+
+ print(Fore.BLUE + '[' + time.ctime() + '] ' + Fore.GREEN + elapsed + Style.RESET_ALL + ' ' + s + Fore.CYAN + remark + Style.RESET_ALL)
######################################################################
######################################################################
+# Afroze's DeepNet
+
+# map size nb. maps
+# ----------------------
+# input 128x128 1
+# -- conv(21x21 x 32 stride=4) -> 28x28 32
+# -- max(2x2) -> 14x14 6
+# -- conv(7x7 x 96) -> 8x8 16
+# -- max(2x2) -> 4x4 16
+# -- conv(5x5 x 96) -> 26x36 16
+# -- conv(3x3 x 128) -> 36x36 16
+# -- conv(3x3 x 128) -> 36x36 16
+
+# -- conv(5x5 x 120) -> 1x1 120
+# -- reshape -> 120 1
+# -- full(3x84) -> 84 1
+# -- full(84x2) -> 2 1
+
+class AfrozeDeepNet(nn.Module):
+ def __init__(self):
+ super(AfrozeDeepNet, self).__init__()
+ self.conv1 = nn.Conv2d( 1, 32, kernel_size=7, stride=4, padding=3)
+ self.conv2 = nn.Conv2d( 32, 96, kernel_size=5, padding=2)
+ self.conv3 = nn.Conv2d( 96, 128, kernel_size=3, padding=1)
+ self.conv4 = nn.Conv2d(128, 128, kernel_size=3, padding=1)
+ self.conv5 = nn.Conv2d(128, 96, kernel_size=3, padding=1)
+ self.fc1 = nn.Linear(1536, 256)
+ self.fc2 = nn.Linear(256, 256)
+ self.fc3 = nn.Linear(256, 2)
+ self.name = 'deepnet'
+
+ def forward(self, x):
+ x = self.conv1(x)
+ x = fn.max_pool2d(x, kernel_size=2)
+ x = fn.relu(x)
+
+ x = self.conv2(x)
+ x = fn.max_pool2d(x, kernel_size=2)
+ x = fn.relu(x)
+
+ x = self.conv3(x)
+ x = fn.relu(x)
+
+ x = self.conv4(x)
+ x = fn.relu(x)
+
+ x = self.conv5(x)
+ x = fn.max_pool2d(x, kernel_size=2)
+ x = fn.relu(x)
+
+ x = x.view(-1, 1536)
+
+ x = self.fc1(x)
+ x = fn.relu(x)
+
+ x = self.fc2(x)
+ x = fn.relu(x)
+
+ x = self.fc3(x)
+
+ return x
+
+######################################################################
+
def train_model(model, train_set):
batch_size = args.batch_size
criterion = nn.CrossEntropyLoss()
model.zero_grad()
loss.backward()
optimizer.step()
- log_string('train_loss {:d} {:f}'.format(e + 1, acc_loss))
dt = (time.time() - start_t) / (e + 1)
- print(Fore.CYAN + 'ETA ' + time.ctime(time.time() + dt * (args.nb_epochs - e)) + Style.RESET_ALL)
+ log_string('train_loss {:d} {:f}'.format(e + 1, acc_loss),
+ ' [ETA ' + time.ctime(time.time() + dt * (args.nb_epochs - e)) + ']')
return model
######################################################################
+def int_to_suffix(n):
+ if n > 1000000 and n%1000000 == 0:
+ return str(n//1000000) + 'M'
+ elif n > 1000 and n%1000 == 0:
+ return str(n//1000) + 'K'
+ else:
+ return str(n)
+
+######################################################################
+
+if args.nb_train_samples%args.batch_size > 0 or args.nb_test_samples%args.batch_size > 0:
+ print('The number of samples must be a multiple of the batch size.')
+ raise
+
for problem_number in range(1, 24):
log_string('**** problem ' + str(problem_number) + ' ****')
- model = AfrozeShallowNet()
+ if args.deep_model:
+ model = AfrozeDeepNet()
+ else:
+ model = AfrozeShallowNet()
if torch.cuda.is_available():
model.cuda()
model_filename = model.name + '_' + \
str(problem_number) + '_' + \
- str(args.nb_train_batches) + '.param'
+ int_to_suffix(args.nb_train_samples) + '.param'
nb_parameters = 0
for p in model.parameters(): nb_parameters += p.numel()
if args.compress_vignettes:
train_set = CompressedVignetteSet(problem_number,
- args.nb_train_batches, args.batch_size,
- cuda=torch.cuda.is_available())
+ args.nb_train_samples, args.batch_size,
+ cuda = torch.cuda.is_available())
else:
train_set = VignetteSet(problem_number,
- args.nb_train_batches, args.batch_size,
- cuda=torch.cuda.is_available())
+ args.nb_train_samples, args.batch_size,
+ cuda = torch.cuda.is_available())
- log_string('data_generation {:0.2f} samples / s'.format(train_set.nb_samples / (time.time() - t)))
+ log_string('data_generation {:0.2f} samples / s'.format(
+ train_set.nb_samples / (time.time() - t))
+ )
train_model(model, train_set)
torch.save(model.state_dict(), model_filename)
if args.compress_vignettes:
test_set = CompressedVignetteSet(problem_number,
- args.nb_test_batches, args.batch_size,
- cuda=torch.cuda.is_available())
+ args.nb_test_samples, args.batch_size,
+ cuda = torch.cuda.is_available())
else:
test_set = VignetteSet(problem_number,
- args.nb_test_batches, args.batch_size,
- cuda=torch.cuda.is_available())
+ args.nb_test_samples, args.batch_size,
+ cuda = torch.cuda.is_available())
- log_string('data_generation {:0.2f} samples / s'.format(test_set.nb_samples / (time.time() - t)))
+ log_string('data_generation {:0.2f} samples / s'.format(
+ test_set.nb_samples / (time.time() - t))
+ )
nb_test_errors = nb_errors(model, test_set)
projects / pysvrt.git / blobdiff