# else:
# if self.axis == 2:
# mri = mri[36,:,:]
# elif self.axis == 1:
# mri = mri[:,47,:]
# elif self.axis == 0:
# mri = mri[:,:,36]
#
# if self.transform is not None:
# mri = self.transform(mri)
return dict(image=mri, target=target, sid=sid)
if __name__ == '__main__':
labels = ('AD', 'CN')
sids, targets, train_idx, test_idx, ratio = fold_split(
5, 0, labels, 'data/subject_ids.pkl', 'data/diagnosis.pkl')
trainset = ADNIDataset(labels, 'data/', sids[train_idx],
targets[train_idx])
from summary import Image3D
from visdom import Visdom
vis = Visdom(port=10001, env='datacheck')
mri_print = Image3D(vis, 'mri')
for smri, target in iter(trainset):
print(smri.max(), smri.min())
print(smri[:, :, 2:-2].shape)
mri_print(str(target), smri[:, :, 2:-2], 10)
exit()
title='AP_loss',
ytickmin=0,
ytinkmax=10)),
info_loss=Scalar(vis,
'info_loss',
opts=dict(showlegend=True,
title='info_loss',
ytickmin=0,
ytinkmax=10)),
acc=Scalar(vis,
'Accuracy',
opts=dict(showlegend=True,
title='Accuracy',
ytickmin=0,
ytinkmax=2.0)),
inputs=Image3D(vis, 'inputs'),
outputs=Image3D(vis, 'outputs'))
# create train set, x = image, y=target
x, y, train_idx, test_idx, ratio = fold_split(FG)
#transform=Compose([ToWoldCoordinateSystem(), Normalize((0.5, 0.9)), ToTensor()])
transform = Compose([ToWoldCoordinateSystem(), ToTensor()])
trainset = ADNIDataset(FG, x[train_idx], y[train_idx], transform=transform)
testset = ADNIDataset(FG, x[test_idx], y[test_idx], transform=transform)
trainloader = DataLoader(trainset,
batch_size=FG.batch_size,
shuffle=True,
pin_memory=True,
num_workers=4)
for i in range(sample_num):
sample_c[i, 2] = temp_c[i % len(temp_c)]
idx = 0
for i in range(len(temp_c)**2):
for j in range(len(temp_c)):
sample_c[i * len(temp_c) + j, 1] = temp_c[idx % len(temp_c)]
idx += 1
sample_c = sample_c.cuda(device, non_blocking=True)
gi_c1 = G(sample_z, sample_c, FG.axis)
for i in range(sample_num):
name = 'target_' + str(i) + ':' + str(
sample_c[i, 0].item()) + ':' + str(
sample_c[i, 1].item()) + ':' + str(sample_c[i, 2].item())
save_printer1 = Image3D(vis, name)
save_printer1(name, torch.clamp(gi_c1[i, :, :, :], min=0, max=1))
exit()
############################################################################
# create latent codes
discrete_code = FG.d_code
continuous_code = FG.c_code
z_dim = FG.z
sample_num = 400
sample_c = torch.zeros((sample_num, continuous_code))
sample_c = sample_c.cuda(device, non_blocking=True)
sample_z = torch.zeros((400, z_dim))
for k in range(400):
sample_z[k] = torch.rand(1, z_dim)
model.eval()
G.eval()
torch.set_grad_enabled(False)
############################ original : test #############################
test_scores = ScoreReport()
test_scores.clear()
print('original image result')
for sample in testloader:
mri = sample['image']
target = sample['target']
mri = mri.cuda(device, non_blocking=True)
target = target.to(device)
name = 'ori-target'
save_printer1 = Image3D(vis, name)
save_printer1(name, torch.clamp(mri[0, :, :, :], min=0, max=1))
output = model(mri)
score = torch.nn.functional.softmax(output, 1)
test_scores.update_true(target)
test_scores.update_score(score)
print('accuracy:', test_scores.accuracy)
############################ cont test ##################################
# create latent codes
discrete_code = FG.d_code
continuous_code = FG.c_code
z_dim = FG.z
title='D_x',
ytickmin=0,
ytinkmax=2.0)),
ofake=Scalar(vis,
'Fake output',
opts=dict(showlegend=True,
title='Fake output',
ytickmin=0,
ytinkmax=2.0)),
oreal=Scalar(vis,
'Real output',
opts=dict(showlegend=True,
title='Real output',
ytickmin=0,
ytinkmax=2.0)),
inputs=Image3D(vis, 'inputs'),
fake=Image3D(vis, 'fake'),
valid=Image3D(vis, 'valid'),
outputs=Image3D(vis, 'outputs'),
outputs2=Image3D(vis, 'outputs2'))
# x, y = Trainset(FG) # x = image, y=target
x, y, train_idx, test_idx, ratio = fold_split(FG)
# transform=Compose([ToFloatTensor(), Normalize(0.5,0.5)])
# trainset = ADNIDataset2D(FG, x[train_idx], y[train_idx], transform=transform)
# testset = ADNIDataset2D(FG, x[test_idx], y[test_idx], transform=transform)
transform = Compose([
ToWoldCoordinateSystem(),
ToTensor(),
Pad(1, 0, 1, 0, 1, 0),
showlegend=True, title='lr', ytickmin=0, ytinkmax=2.0)),
D_loss = Scalar(vis, 'D_loss', opts=dict(
showlegend=True, title='D loss', ytickmin=0, ytinkmax=2.0)),
G_loss = Scalar(vis, 'G_loss', opts=dict(
showlegend=True, title='G loss', ytickmin=0, ytinkmax=10)),
AC_loss = Scalar(vis, 'AC_loss', opts=dict(
showlegend=True, title='AC loss', ytickmin=0, ytinkmax=10)),
info_loss = Scalar(vis, 'info_loss', opts=dict(
showlegend=True, title='info_loss', ytickmin=0, ytinkmax=10)),
DG_z1 = Scalar(vis, 'DG_z1', opts=dict(
showlegend=True, title='DG_z1', ytickmin=0, ytinkmax=2.0)),
DG_z2 = Scalar(vis, 'DG_z2', opts=dict(
showlegend=True, title='DG_z2', ytickmin=0, ytinkmax=2.0)),
D_x = Scalar(vis, 'D_x', opts=dict(
showlegend=True, title='D_x', ytickmin=0, ytinkmax=2.0)),
inputs0 = Image3D(vis, 'inputs0'),
inputs1 = Image3D(vis, 'inputs1'),
fake0 = Image3D(vis, 'fake0'),
fake1 = Image3D(vis, 'fake1'),
outputs0 = Image3D(vis, 'outputs0'),
outputs1 = Image3D(vis, 'outputs1'))
# dataset setting
x, y = Trainset(FG)
# x, y, train_idx, test_idx, ratio = fold_split(FG)
# transform = Compose([ToFloatTensor(), Normalize(0.5,0.5)])
# trainset = ADNIDataset2D(FG, x, y, transform=transform)
transform=Compose([ToWoldCoordinateSystem(), ToTensor(), Pad(1,0,1,0,1,0), Normalize(0.5,0.5)])
trainset = ADNIDataset(FG, x, y, transform=transform)
trainloader = DataLoader(trainset, batch_size=FG.batch_size,
shuffle=True, pin_memory=True)
title='acc',
ytickmin=0,
ytinkmax=3)),
accuracy=Scalar(vis,
'accuracy',
opts=dict(showlegend=True,
title='accuracy',
ytickmin=0,
ytinkmax=3)),
predict=Scalar(vis,
'predict',
opts=dict(showlegend=True,
title='predict',
ytickmin=0,
ytinkmax=3)),
output0=Image3D(vis, 'output0'),
output1=Image3D(vis, 'output1'),
output2=Image3D(vis, 'output2'),
output3=Image3D(vis, 'output3'),
output4=Image3D(vis, 'output4'),
output5=Image3D(vis, 'output5'),
output6=Image3D(vis, 'output6'),
output7=Image3D(vis, 'output7'),
output8=Image3D(vis, 'output8'),
output9=Image3D(vis, 'output9'))
# transforms to apply to the data
trans = transforms.Compose(
[transforms.ToTensor(),
transforms.Normalize((0.1307, ), (0.3081, ))])
title='DG_z1',
ytickmin=0,
ytinkmax=2.0)),
DG_z2=Scalar(vis,
'DG_z2',
opts=dict(showlegend=True,
title='DG_z2',
ytickmin=0,
ytinkmax=2.0)),
D_x=Scalar(vis,
'D_x',
opts=dict(showlegend=True,
title='D_x',
ytickmin=0,
ytinkmax=2.0)),
inputs=Image3D(vis, 'inputs'),
fake=Image3D(vis, 'fake'),
valid=Image3D(vis, 'valid'),
outputs=Image3D(vis, 'outputs'),
outputs2=Image3D(vis, 'outputs2'))
x, y = Trainset(FG) # x = image, y=target
transform = Compose([ToFloatTensor(), Normalize(0.5, 0.5)])
trainset = ADNIDataset2D(FG, x, y, transform=transform)
trainloader = DataLoader(trainset,
batch_size=FG.batch_size,
shuffle=True,
pin_memory=True)
D = dcDiscriminator2D(FG).to('cuda:{}'.format(
FG.devices[0])) # discriminator net D(x, z)
y_pred = get_ensambled_y_preds(outputs)
# confidence = ...
confidence = torch.zeros(1).cuda(device, non_blocking=True)
temp = torch.zeros(5, 2).cuda(device, non_blocking=True)
for j in range(len(nets)):
temp[j] += outputs[j][0]
if y_pred.item() == 0:
confidence = temp[:, 0].max()
else:
confidence = 1 - temp[:, 1].max()
#print(confidence.item())
print(y_pred.item())
c = c[0]
#print((confidence.item(),)+c[0])
result.append((confidence.item(), ) + cc)
title = 'c' + str(count) + '>' + str(c.squeeze().tolist())
im = im * 0.5 + 0.5
ip = Image3D(vis, title)
# print(im.shape)
ip(title, im[:, :, :])
# vis.image(im.squeeze(), win='si', opts=dict(title=title))
# time.sleep(0.3)
# input()
vis.save([vis.env])
np.savetxt('Result-256-1.txt', result, delimiter=',')
timer = SimpleTimer()
FG.save_dir = str(FG.vis_env)
if not os.path.exists(FG.save_dir):
os.makedirs(FG.save_dir)
printers = dict(
lr = Scalar(vis, 'lr', opts=dict(
showlegend=True, title='lr', ytickmin=0, ytinkmax=1.0)),
D_loss = Scalar(vis, 'D_loss', opts=dict(
showlegend=True, title='D loss', ytickmin=0, ytinkmax=2.0)),
G_loss = Scalar(vis, 'G_loss', opts=dict(
showlegend=True, title='G loss', ytickmin=0, ytinkmax=10)),
info_loss = Scalar(vis, 'info_loss', opts=dict(
showlegend=True, title='info loss', ytickmin=0, ytinkmax=10)),
input = Image3D(vis, 'input'),
output = Image3D(vis, 'output'),
cont_output = Image3D(vis, 'cont_output'),
disc_output = Image3D(vis, 'disc_output'))
# create train set
x, y = Trainset(FG) # x = image, y=target
if FG.gm == 'true':
transform=Compose([ToWoldCoordinateSystem(), ToTensor()])
else :
transform=Compose([ToWoldCoordinateSystem(), Normalize(0.2,0.9), ToTensor()])
trainset = ADNIDataset(FG, x, y, transform=transform)
trainloader = DataLoader(trainset, batch_size=FG.batch_size,
shuffle=True, pin_memory=True,
num_workers=4)
for t2 in range(len(temp_c)):
C[:, 1] = temp_c[t2]
for t3 in range(5):
for t in range(5):
C[t3*5+t, 2] = temp_c[t3]
for s in range(sample_num):
C[s, 3] = temp_c[s%5]
vis = Visdom(port=FG.vis_port, env='Test-c4-'+str(FG.axis))
gi_c = G(Z, C, FG.axis)
for s in range(sample_num):
name = 'target:'+str(C[s, 0].item())+':'+str(C[s, 1].item())
# name = 'target:'+str(C[s, 0].item())+':'+str(C[s, 1].item())+\
# ':'+str(C[s, 2].item())+':'+str(C[s, 3].item())
save_printer = Image3D(vis, name)
save_printer(name, ((gi_c*0.5)+0.5)[s,:,:,:])
gi = gi_c.squeeze() #.cuda(device, non_blocking=True)
gi = gi_transforms(gi)
gi = gi.view(gi.size(0)*gi.size(1), 1,*gi.shape[2:])
x, targets = process_batch((gi, targets), device)
outputs = list(map(lambda net: get_confidence(net, x), nets))
y_pred = get_ensambled_y_preds(outputs)
out_max = torch.zeros(sample_num, 1).cuda(device, non_blocking=True)
for i in range(sample_num):
temp=torch.zeros(5,2).cuda(device, non_blocking=True)
for j in range(len(nets)):
temp[j] += outputs[j][i]
def __init__(self, FG, SUPERVISED=True):
# parameters
self.num_epoch = FG.num_epoch
self.batch_size = FG.batch_size
self.save_dir = FG.save_dir
self.result_dir = FG.result_dir
self.dataset = 'MRI'
self.log_dir = FG.log_dir
self.model_name = 'infoGAN'
self.input_size = FG.input_size
self.z_dim = FG.z
self.SUPERVISED = SUPERVISED # if it is true, label info is directly used for code
self.len_discrete_code = 10 # categorical distribution (i.e. label)
self.len_continuous_code = 2 # gaussian distribution (e.g. rotation, thickness)
self.sample_num = self.len_discrete_code ** 2
# torch setting
self.device = torch.device('cuda:{}'.format(FG.devices[0]))
torch.cuda.set_device(FG.devices[0])
timer = SimpleTimer()
# load dataset
x, y = Trainset(FG) # x = image, y=target
trainset = ADNIDataset(FG, x, y, cropping=NineCrop((40,40,40),(32,32,32)),
transform=Compose([Lambda(lambda patches: torch.stack([ToTensor()(patch) for patch in patches]))]))
self.trainloader = DataLoader(trainset, batch_size=self.batch_size,
shuffle=True, pin_memory=True,
num_workers=4)
#self.data_loader = dataloader(self.dataset, self.input_size, self.batch_size)
#data = self.trainloader
for _, data in enumerate(self.trainloader):
data = data['image']
break
# networks init
self.G = generator(input_dim=self.z_dim, output_dim=data.shape[1],
input_size=self.input_size, len_discrete_code=self.len_discrete_code,
len_continuous_code=self.len_continuous_code).to('cuda:{}'.format(FG.devices[0]))
self.D = discriminator(input_dim=data.shape[1], output_dim=1, input_size=self.input_size,
len_discrete_code=self.len_discrete_code, len_continuous_code=self.len_continuous_code).to('cuda:{}'.format(FG.devices[0]))
self.G_optimizer = optim.Adam(self.G.parameters(), lr=FG.lrG, betas=(FG.beta1, FG.beta2))
self.D_optimizer = optim.Adam(self.D.parameters(), lr=FG.lrD, betas=(FG.beta1, FG.beta2))
self.info_optimizer = optim.Adam(itertools.chain(self.G.parameters(), self.D.parameters()), lr=FG.lrD, betas=(FG.beta1, FG.beta2))
if len(FG.devices) != 1:
self.G = torch.nn.DataParallel(self.G, FG.devices)
self.D = torch.nn.DataParallel(self.D, FG.devices)
self.BCE_loss = nn.BCELoss().to('cuda:{}'.format(FG.devices[0]))
self.CE_loss = nn.CrossEntropyLoss().to('cuda:{}'.format(FG.devices[0]))
self.MSE_loss = nn.MSELoss().to('cuda:{}'.format(FG.devices[0]))
print('---------- Networks architecture -------------')
ori_utils.print_network(self.G)
ori_utils.print_network(self.D)
print('-----------------------------------------------')
# fixed noise & condition
self.sample_z = torch.zeros((self.sample_num, self.z_dim))
for i in range(self.len_discrete_code):
self.sample_z[i * self.len_discrete_code] = torch.rand(1, self.z_dim)
for j in range(1, self.len_discrete_code):
self.sample_z[i * self.len_discrete_code + j] = self.sample_z[i * self.len_discrete_code]
temp = torch.zeros((self.len_discrete_code, 1))
for i in range(self.len_discrete_code):
temp[i, 0] = i
temp_y = torch.zeros((self.sample_num, 1))
for i in range(self.len_discrete_code):
temp_y[i * self.len_discrete_code: (i + 1) * self.len_discrete_code] = temp
self.sample_y = torch.zeros((self.sample_num, self.len_discrete_code)).scatter_(1, temp_y.type(torch.LongTensor), 1)
self.sample_c = torch.zeros((self.sample_num, self.len_continuous_code))
# manipulating two continuous code
#self.sample_z2 = torch.rand((1, self.z_dim)).expand(self.sample_num, self.z_dim)
self.sample_z2 = torch.zeros((self.sample_num, self.z_dim))
z2 = torch.rand(1, self.z_dim)
for i in range(self.sample_num):
self.sample_z2[i] = z2
self.sample_y2 = torch.zeros(self.sample_num, self.len_discrete_code)
self.sample_y2[:, 0] = 1
temp_c = torch.linspace(-1, 1, 10)
self.sample_c2 = torch.zeros((self.sample_num, 2))
for i in range(self.len_discrete_code):
for j in range(self.len_discrete_code):
self.sample_c2[i*self.len_discrete_code+j, 0] = temp_c[i]
self.sample_c2[i*self.len_discrete_code+j, 1] = temp_c[j]
self.sample_z = self.sample_z.cuda(self.device, non_blocking=True)
self.sample_y = self.sample_y.cuda(self.device, non_blocking=True)
self.sample_c = self.sample_c.cuda(self.device, non_blocking=True)
self.sample_z2 = self.sample_z2.cuda(self.device, non_blocking=True)
self.sample_y2 = self.sample_y2.cuda(self.device, non_blocking=True)
self.sample_c2 = self.sample_c2.cuda(self.device, non_blocking=True)
vis = Visdom(port=10002, env=str(FG.vis_env))
self.printers = dict(
D_loss = Scalar(vis, 'D_loss', opts=dict(
showlegend=True, title='D loss', ytickmin=0, ytinkmax=2.0)),
G_loss = Scalar(vis, 'G_loss', opts=dict(
showlegend=True, title='G loss', ytickmin=0, ytinkmax=10)),
info_loss = Scalar(vis, 'info_loss', opts=dict(
showlegend=True, title='info loss', ytickmin=0, ytinkmax=10)),
input = Image3D(vis, 'input'),
input_fi = Image3D(vis, 'input_fi'),
output = Image3D(vis, 'output'),
output2 = Image3D(vis, 'output2'))
self.timer = SimpleTimer()
title='acc',
ytickmin=0,
ytinkmax=3)),
accuracy=Scalar(vis,
'accuracy',
opts=dict(showlegend=True,
title='accuracy',
ytickmin=0,
ytinkmax=3)),
predict=Scalar(vis,
'predict',
opts=dict(showlegend=True,
title='predict',
ytickmin=0,
ytinkmax=3)),
train_input=Image3D(vis, 'train_input'),
test_input=Image3D(vis, 'test_input'),
output0=Image3D(vis, 'output0'),
output1=Image3D(vis, 'output1'),
output2=Image3D(vis, 'output2'))
train_scores = ScoreReport()
test_scores = ScoreReport()
max_acc = 0
min_loss = 0
for epoch in range(FG.num_epoch):
model.train()
torch.set_grad_enabled(True)
train_scores.clear()
scheduler.step()
