def __init__(self):
self.interfaces = self.get_available_interfaces()
self.default_iface = self.interfaces[0]
self.localIP = self.get_local_ip(self.default_iface)
self.network = network.init_network(self)
self.cur = self.network.cur
self.categories = None
self.loaded_capabilities = {}
self.cnc = self.localIP # TODO
def define_Gen(input_nc, output_nc, ngf, norm='batch', use_dropout=False, gpu_ids=[0]):
norm_layer = get_norm_layer(norm_type=norm)
if type(norm_layer) == functools.partial:
use_bias = norm_layer.func == nn.InstanceNorm2d
else:
use_bias = norm_layer == nn.InstanceNorm2d
gen_net = Generator(input_nc, output_nc, ngf, norm_layer=norm_layer, use_dropout=use_dropout, use_bias = use_bias)
return init_network(gen_net, gpu_ids)
def define_Dis(input_nc, ndf, norm='batch', gpu_ids=[0]):
norm_layer = get_norm_layer(norm_type=norm)
if type(norm_layer) == functools.partial:
use_bias = norm_layer.func == nn.InstanceNorm2d
else:
use_bias = norm_layer == nn.InstanceNorm2d
dis_net = Discriminator(input_nc,
ndf,
norm_layer=norm_layer,
use_bias=use_bias)
return init_network(dis_net, gpu_ids)
def test_init_network(self):
network = nw.init_network()
np.testing.assert_array_equal(
network['W1'], np.array([[0.1, 0.3, 0.5], [0.2, 0.4, 0.6]]))
np.testing.assert_array_equal(network['b1'], np.array([0.1, 0.2, 0.3]))
np.testing.assert_array_equal(
network['W2'], np.array([[0.1, 0.4], [0.2, 0.5], [0.3, 0.6]]))
np.testing.assert_array_equal(network['b2'], np.array([0.1, 0.2]))
np.testing.assert_array_equal(network['W3'],
np.array([[0.1, 0.3], [0.2, 0.4]]))
np.testing.assert_array_equal(network['b3'], np.array([0.1, 0.2]))
def main():
# print('fsafsdaf:', args.training_dataset, args.arch)
print(">> Creating directory if it does not exist:\n>> '{}'".format(
args.directory))
if not os.path.exists(args.directory):
os.makedirs(args.directory)
log_dir = os.path.join(args.directory, 'log')
if not os.path.exists(log_dir):
os.mkdir(log_dir)
params = {'architecture': args.arch, 'pooling': args.pool}
n_classes = args.n_classes
n_samples = args.n_samples
cuda = args.cuda
input_size = args.image_size
transform, transform_te, transform_label = init_transform(input_size)
kwargs = {'num_workers': 1, 'pin_memory': True} if cuda else {}
online_train_loader, online_test_loader = init_data_loader(
args.root, n_classes, n_samples, transform, transform_te,
transform_label, kwargs)
# Set up the network and training parameters
model = init_network(params)
parameters = []
# add feature parameters
parameters.append({'params': model.features.parameters()})
if cuda:
# print('model cuda:', cuda)
model.cuda()
pos_margin = 1.0
neg_margin = 0.3
# define optimizer
if args.optimizer == 'sgd':
optimizer = torch.optim.SGD(parameters,
args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
elif args.optimizer == 'adam':
optimizer = torch.optim.Adam(parameters,
args.lr,
weight_decay=args.weight_decay)
metrics = [AverageNonzeroTripletsMetric()]
if args.loss.startswith('OnlineContrastiveEucLoss'):
loss_fn = OnlineContrastiveEucLoss(pos_margin, neg_margin,
HardNegativePairSelector())
elif args.loss.startswith('OnlineContrastiveCosLoss'):
loss_fn = OnlineContrastiveCosLoss(args.loss_margin)
elif args.loss.startswith('OnlineTriplet'):
loss_fn = OnlineTripletLoss(
args.loss_margin, HardestNegativeTripletSelector(args.loss_margin))
exp_decay = math.exp(-0.01)
scheduler = torch.optim.lr_scheduler.ExponentialLR(optimizer,
gamma=exp_decay)
writer = SummaryWriter(log_dir=log_dir)
writer.add_graph(model.features, torch.ones([1, 3, 224, 224]).cuda())
fit(online_train_loader,
online_test_loader,
model,
loss_fn,
optimizer,
scheduler,
writer,
metrics=metrics,
args=args)
def test_forward(self):
network = nw.init_network()
x = np.array([1.0, 0.5])
y = nw.forward(network, x)
self.assertEqual(y[0], 0.3168270764110298)
self.assertEqual(y[1], 0.6962790898619668)
#-*- coding: utf-8 -*-
import network
import devices
import sys
if __name__ == '__main__':
server = network.init_network()
device_type = 'default'
if len(sys.argv) == 2:
device_type = sys.argv[1]
device = devices.create_device(device_type)
print('press enter to quit...')
try:
sys.stdin.readline()
except KeyboardInterrupt:
pass
finally:
device = None
network.deinit_network(server)
def inference_test(args):
tar_dir = time.strftime("%m %d %H:%M:%S %Y", time.localtime())
os.mkdir(tar_dir)
mode_path = os.path.join(args.directory, args.resume)
params = {'architecture': args.arch, 'pooling': args.pool}
model = init_network(params)
if not os.path.exists(mode_path):
print(">> No checkpoint found at '{}'".format(mode_path))
return
else:
# load checkpoint weights and update model and optimizer
print(">> Loading checkpoint:\n>> '{}'".format(args.resume))
checkpoint = torch.load(mode_path)
start_epoch = checkpoint['epoch']
print('ul epoch:', start_epoch)
min_loss = checkpoint['min_loss']
print(min_loss)
model.load_state_dict(checkpoint['state_dict'])
print(">>>> loaded checkpoint:\n>>>> '{}' (epoch {})".format(
args.resume, checkpoint['epoch']))
model = torch.nn.DataParallel(model, device_ids=device_ids,
dim=0).cuda() # Encapsulate the model
model.eval()
cuda = args.cuda
batch_size = 16
index_data_loader, query_data_loader = TEST_DATA_LOADER(
kwargs={
'num_workers': 16,
'pin_memory': False,
'batch_size': batch_size
} if cuda else {})
print('steps num:', len(index_data_loader))
count = 0
index_array_embedding = np.empty([0, 2048])
index_array_fn = np.empty(0)
for index_tensor, index_fn in index_data_loader:
print('count:', count)
count += 1
print(index_tensor.shape, len(index_fn))
index_tensor = index_tensor.cuda()
t_start = time.time()
out_tesnor = model.forward(index_tensor)
print("foward time:", time.time() - t_start)
t_start = time.time()
out_tesnor = out_tesnor.cpu().detach().numpy()
print('gpu2cpu time:', time.time() - t_start)
index_array_embedding = np.concatenate(
(index_array_embedding, out_tesnor), axis=0)
print(index_fn[0:10])
index_array_fn = np.concatenate((index_array_fn, index_fn))
print('index_array_fn shape:', index_array_fn.shape)
print('index_array_embedding shape:', index_array_embedding.shape)
print('index_array_fn shape:', index_array_fn.shape)
np.save(os.path.join(tar_dir, 'index_array_embedding.npy'),
index_array_embedding)
np.save(os.path.join(tar_dir, 'index_array_fn.npy'), index_array_fn)
print('save index embedding and fn done')
count = 0
all_sum = len(query_data_loader)
print('allsum', all_sum)
query_array_embeeding = np.empty(0, 2048)
query_array_fn = np.empty(0)
for query_tensor, query_fn in query_data_loader:
print('allsum', all_sum, ' count:', count)
count += 1
query_tensor = query_tensor.cuda()
out_tesnor = model.forward(query_tensor)
out_tesnor = out_tesnor.cpu().detach().numpy()
query_array_embeeding = np.concatenate(
(query_array_embeeding, out_tesnor))
query_array_fn = np.concatenate((query_array_fn, query_fn))
print('query_array_embeeding shape:', query_array_embeeding.shape)
print('query_array_fn shape:', query_array_fn.shape)
np.save(os.path.join(tar_dir, 'query_array_embeeding.npy'),
query_array_embeeding)
np.save(os.path.join(tar_dir, 'query_fn_array.npy'), query_fn_array)
print('save query embedding and fn done')
calculate_rank(index_array_embedding,
query_array_embeeding,
tar_dir,
topk=100)
