def _make_images_board(self, model):
model.eval()
num_imgs = 64
fuseTrans = self.cfg.fuseTrans
batch = next(iter(self.data_loaders[1]))
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(False):
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,1,H,W]
return {'RGB': utils.make_grid( input_images[:num_imgs]),
'depth': utils.make_grid(
((1-newDepth)*(collision==1).float())[:num_imgs, 0, 0:1, :, :]),
'depthGT': utils.make_grid(
1-depthGT[:num_imgs, 0, 0:1, :, :]),
'mask': utils.make_grid(
torch.sigmoid(maskLogit[:num_imgs, 0:1,:, :])),
'mask_rendered': utils.make_grid(
torch.sigmoid(newMaskLogit[:num_imgs, 0, 0:1, :, :])),
'maskGT': utils.make_grid(
maskGT[:num_imgs, 0, 0:1, :, :]),
}
def _make_images_board(self, model):
model.eval()
num_imgs = 64
fuseTrans = self.cfg.fuseTrans
batch = next(iter(self.data_loaders[1]))
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(
batch, self.cfg.device)
with torch.set_grad_enabled(False):
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(self.cfg, XYZ, maskLogit,
fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,1,H,W]
return {
'RGB':
utils.make_grid(input_images[:num_imgs]),
'depth':
utils.make_grid(
((1 - newDepth) * (collision == 1).float())[:num_imgs, 0,
0:1, :, :]),
'depthGT':
utils.make_grid(1 - depthGT[:num_imgs, 0, 0:1, :, :]),
'mask':
utils.make_grid(torch.sigmoid(maskLogit[:num_imgs, 0:1, :, :])),
'mask_rendered':
utils.make_grid(
torch.sigmoid(newMaskLogit[:num_imgs, 0, 0:1, :, :])),
'maskGT':
utils.make_grid(maskGT[:num_imgs, 0, 0:1, :, :]),
}
def _val_on_epoch(self, model):
model.eval()
data_loader = self.data_loaders[1]
running_loss_depth = 0.0
running_loss_mask = 0.0
running_loss = 0.0
fuseTrans = self.cfg.fuseTrans
for batch in data_loader:
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(False):
XYZ, maskLogit = model(input_images)
####################################################################
##################################
tmp_1 = torch.cat([maskLogit[:,0:1,:,:],maskLogit[:,2:3,:,:],maskLogit[:,4:5,:,:],
maskLogit[:,6:7,:,:],maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],
maskLogit[:,11:12,:,:],maskLogit[:,13:14,:,:]],1)
#print(tmp_1.size())
tmp_2 = torch.cat([maskLogit[:,1:2,:,:],maskLogit[:,3:4,:,:],maskLogit[:,5:6,:,:],
maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],maskLogit[:,11:12,:,:],
maskLogit[:,13:14,:,:],maskLogit[:,15:16,:,:]],1)
#mask = (maskLogit > 0).byte()
mask = (maskLogit[:,8:16,:,:] > 0).byte()
#mask = (tmp_2 > 0).byte()
mask = mask.float()
# print(mask.size())
###################################
# ------ build transformer ------
######################################################################
#XYZid, ML = transform.fuse3D(
# self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, mask, fuseTrans) # [B,3,VHW],[B,1,VHW]
######################################################################
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(
newDepth.masked_select(collision==1),
depthGT.masked_select(collision==1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
running_loss_depth += loss_depth.item() * input_images.size(0)
running_loss_mask += loss_mask.item() * input_images.size(0)
running_loss += loss.item() * input_images.size(0)
epoch_loss_depth = running_loss_depth / len(data_loader.dataset)
epoch_loss_mask = running_loss_mask / len(data_loader.dataset)
epoch_loss = running_loss / len(data_loader.dataset)
print(f"\tVal loss: {epoch_loss}")
return {"epoch_loss_depth": epoch_loss_depth,
"epoch_loss_mask": epoch_loss_mask,
"epoch_loss": epoch_loss, }
def _train_on_epoch(self, model, optimizer):
model.train()
data_loader = self.data_loaders[0]
running_loss_depth = 0.0
running_loss_mask = 0.0
running_loss = 0.0
fuseTrans = self.cfg.fuseTrans
for self.iteration, batch in enumerate(data_loader, self.iteration):
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(
batch, self.cfg.device)
with torch.set_grad_enabled(True):
optimizer.zero_grad()
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(self.cfg, XYZ, maskLogit,
fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(newDepth.masked_select(collision == 1),
depthGT.masked_select(collision == 1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
# Update weights
loss.backward()
# True Weight decay
if self.cfg.trueWD is not None:
for group in optimizer.param_groups:
for param in group['params']:
param.data = param.data.add(
-self.cfg.trueWD * group['lr'], param.data)
optimizer.step()
if self.on_after_batch is not None:
if self.cfg.lrSched.lower() in "cyclical":
self.on_after_batch(self.iteration)
else:
self.on_after_batch(self.epoch)
running_loss_depth += loss_depth.item() * input_images.size(0)
running_loss_mask += loss_mask.item() * input_images.size(0)
running_loss += loss.item() * input_images.size(0)
epoch_loss_depth = running_loss_depth / len(data_loader.dataset)
epoch_loss_mask = running_loss_mask / len(data_loader.dataset)
epoch_loss = running_loss / len(data_loader.dataset)
print(f"\tTrain loss: {epoch_loss}")
return {
"epoch_loss_depth": epoch_loss_depth,
"epoch_loss_mask": epoch_loss_mask,
"epoch_loss": epoch_loss,
}
def findLR(self,
model,
optimizer,
writer,
start_lr=1e-7,
end_lr=10,
num_iters=50):
model.train()
lrs = np.logspace(np.log10(start_lr), np.log10(end_lr), num_iters)
losses = []
fuseTrans = self.cfg.fuseTrans
for lr in lrs:
# Update LR
for group in optimizer.param_groups:
group['lr'] = lr
batch = next(iter(self.data_loaders[0]))
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(
batch, self.cfg.device)
with torch.set_grad_enabled(True):
optimizer.zero_grad()
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(self.cfg, XYZ, maskLogit,
fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(newDepth.masked_select(collision == 1),
depthGT.masked_select(collision == 1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
# Update weights
loss.backward()
# True Weight decay
if self.cfg.trueWD is not None:
for group in optimizer.param_groups:
for param in group['params']:
param.data = param.data.add(
-self.cfg.trueWD * group['lr'], param.data)
optimizer.step()
losses.append(loss.item())
fig, ax = plt.subplots()
ax.plot(lrs, losses)
ax.set_xlabel('learning rate')
ax.set_ylabel('loss')
ax.set_xscale('log')
writer.add_figure('findLR', fig)
def _train_on_epoch(self, model, optimizer):
model.train()
data_loader = self.data_loaders[0]
running_loss_depth = 0.0
running_loss_mask = 0.0
running_loss = 0.0
fuseTrans = self.cfg.fuseTrans
for self.iteration, batch in enumerate(data_loader, self.iteration):
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(True):
optimizer.zero_grad()
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(
newDepth.masked_select(collision==1),
depthGT.masked_select(collision==1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
# Update weights
loss.backward()
# True Weight decay
if self.cfg.trueWD is not None:
for group in optimizer.param_groups:
for param in group['params']:
param.data = param.data.add(
-self.cfg.trueWD * group['lr'], param.data)
optimizer.step()
if self.on_after_batch is not None:
if self.cfg.lrSched.lower() in "cyclical":
self.on_after_batch(self.iteration)
else: self.on_after_batch(self.epoch)
running_loss_depth += loss_depth.item() * input_images.size(0)
running_loss_mask += loss_mask.item() * input_images.size(0)
running_loss += loss.item() * input_images.size(0)
epoch_loss_depth = running_loss_depth / len(data_loader.dataset)
epoch_loss_mask = running_loss_mask / len(data_loader.dataset)
epoch_loss = running_loss / len(data_loader.dataset)
print(f"\tTrain loss: {epoch_loss}")
return {"epoch_loss_depth": epoch_loss_depth,
"epoch_loss_mask": epoch_loss_mask,
"epoch_loss": epoch_loss, }
def findLR(self, model, optimizer, writer,
start_lr=1e-7, end_lr=10, num_iters=50):
model.train()
lrs = np.logspace(np.log10(start_lr), np.log10(end_lr), num_iters)
losses = []
fuseTrans = self.cfg.fuseTrans
for lr in lrs:
# Update LR
for group in optimizer.param_groups:
group['lr'] = lr
batch = next(iter(self.data_loaders[0]))
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(True):
optimizer.zero_grad()
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(
newDepth.masked_select(collision==1),
depthGT.masked_select(collision==1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
# Update weights
loss.backward()
# True Weight decay
if self.cfg.trueWD is not None:
for group in optimizer.param_groups:
for param in group['params']:
param.data = param.data.add(
-self.cfg.trueWD * group['lr'],
param.data)
optimizer.step()
losses.append(loss.item())
fig, ax = plt.subplots()
ax.plot(lrs, losses)
ax.set_xlabel('learning rate')
ax.set_ylabel('loss')
ax.set_xscale('log')
writer.add_figure('findLR', fig)
def _make_images_board(self, model):
model.eval()
num_imgs = 64
fuseTrans = self.cfg.fuseTrans
batch = next(iter(self.data_loaders[1]))
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(False):
XYZ, maskLogit = model(input_images)
##################################
tmp_1 = torch.cat([maskLogit[:,0:1,:,:],maskLogit[:,2:3,:,:],maskLogit[:,4:5,:,:],
maskLogit[:,6:7,:,:],maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],
maskLogit[:,11:12,:,:],maskLogit[:,13:14,:,:]],1)
#print(tmp_1.size())
tmp_2 = torch.cat([maskLogit[:,1:2,:,:],maskLogit[:,3:4,:,:],maskLogit[:,5:6,:,:],
maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],maskLogit[:,11:12,:,:],
maskLogit[:,13:14,:,:],maskLogit[:,15:16,:,:]],1)
#mask = (maskLogit > 0).byte()
maskLogit = (maskLogit[:,8:16,:,:] > 0).byte()
maskLogit = maskLogit.float()
#mask = (tmp_2 > 0).byte()
# print(mask.size())
###################################
# ------ build transformer ------
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,1,H,W]
return {'RGB': utils.make_grid( input_images[:num_imgs]),
'depth': utils.make_grid(
((1-newDepth)*(collision==1).float())[:num_imgs, 0, 0:1, :, :]),
'depthGT': utils.make_grid(
1-depthGT[:num_imgs, 0, 0:1, :, :]),
'mask': utils.make_grid(
torch.sigmoid(maskLogit[:num_imgs, 0:1,:, :])),
'mask_rendered': utils.make_grid(
torch.sigmoid(newMaskLogit[:num_imgs, 0, 0:1, :, :])),
'maskGT': utils.make_grid(
maskGT[:num_imgs, 0, 0:1, :, :]),
}
def _val_on_epoch(self, model):
model.eval()
data_loader = self.data_loaders[1]
running_loss_depth = 0.0
running_loss_mask = 0.0
running_loss = 0.0
fuseTrans = self.cfg.fuseTrans
for batch in data_loader:
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(
batch, self.cfg.device)
with torch.set_grad_enabled(False):
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(self.cfg, XYZ, maskLogit,
fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(newDepth.masked_select(collision == 1),
depthGT.masked_select(collision == 1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
running_loss_depth += loss_depth.item() * input_images.size(0)
running_loss_mask += loss_mask.item() * input_images.size(0)
running_loss += loss.item() * input_images.size(0)
epoch_loss_depth = running_loss_depth / len(data_loader.dataset)
epoch_loss_mask = running_loss_mask / len(data_loader.dataset)
epoch_loss = running_loss / len(data_loader.dataset)
print(f"\tVal loss: {epoch_loss}")
return {
"epoch_loss_depth": epoch_loss_depth,
"epoch_loss_mask": epoch_loss_mask,
"epoch_loss": epoch_loss,
}
def _val_on_epoch(self, model):
model.eval()
data_loader = self.data_loaders[1]
running_loss_depth = 0.0
running_loss_mask = 0.0
running_loss = 0.0
fuseTrans = self.cfg.fuseTrans
for batch in data_loader:
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(False):
XYZ, maskLogit = model(input_images)
# ------ build transformer ------
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ Compute loss ------
loss_depth = self.l1(
newDepth.masked_select(collision==1),
depthGT.masked_select(collision==1))
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
running_loss_depth += loss_depth.item() * input_images.size(0)
running_loss_mask += loss_mask.item() * input_images.size(0)
running_loss += loss.item() * input_images.size(0)
epoch_loss_depth = running_loss_depth / len(data_loader.dataset)
epoch_loss_mask = running_loss_mask / len(data_loader.dataset)
epoch_loss = running_loss / len(data_loader.dataset)
print(f"\tVal loss: {epoch_loss}")
return {"epoch_loss_depth": epoch_loss_depth,
"epoch_loss_mask": epoch_loss_mask,
"epoch_loss": epoch_loss, }
tf.float32, shape=[opt.batchSize, opt.novelN, opt.H, opt.W, 1])
maskGT = tf.placeholder(tf.float32,
shape=[opt.batchSize, opt.novelN, opt.H, opt.W, 1])
PH = [inputImage, renderTrans, depthGT, maskGT]
# ------ build encoder-decoder ------
encoder = graph.encoder if opt.arch=="original" else \
graph.encoder_resnet if opt.arch=="resnet" else None
decoder = graph.decoder if opt.arch=="original" else \
graph.decoder_resnet if opt.arch=="resnet" else None
latent = encoder(opt, inputImage)
XYZ, maskLogit = decoder(opt, latent) # [B,H,W,3V],[B,H,W,V]
mask = tf.to_float(maskLogit > 0)
# ------ build transformer ------
fuseTrans = tf.nn.l2_normalize(opt.fuseTrans, dim=1)
XYZid, ML = transform.fuse3D(opt, XYZ, maskLogit, fuseTrans) # [B,1,VHW]
newDepth, newMaskLogit, collision = transform.render2D(
opt, XYZid, ML, renderTrans) # [B,N,H,W,1]
# ------ define loss ------
loss_depth = graph.masked_l1_loss(newDepth - depthGT, tf.equal(
collision, 1)) / (opt.batchSize * opt.novelN)
loss_mask = graph.cross_entropy_loss(newMaskLogit,
maskGT) / (opt.batchSize * opt.novelN)
loss = loss_mask + opt.lambdaDepth * loss_depth
# ------ optimizer ------
lr_PH = tf.placeholder(tf.float32, shape=[])
optim = tf.train.AdamOptimizer(learning_rate=lr_PH).minimize(loss)
# ------ generate summaries ------
summaryImage = [
util.imageSummary(opt, "image_RGB", inputImage, opt.inH, opt.inW),
util.imageSummary(opt, "image_depth/pred",
((1 - newDepth) *
tf.to_float(tf.equal(collision, 1)))[:, 0, :, :,
def _train_on_epoch(self, model, optimizer):
model.train()
data_loader = self.data_loaders[0]
running_loss_depth = 0.0
running_loss_mask = 0.0
running_loss = 0.0
fuseTrans = self.cfg.fuseTrans
for self.iteration, batch in enumerate(data_loader, self.iteration):
input_images, renderTrans, depthGT, maskGT = utils.unpack_batch_novel(batch, self.cfg.device)
with torch.set_grad_enabled(True):
optimizer.zero_grad()
XYZ, maskLogit = model(input_images)
# print(XYZ.size())
# print(maskLogit.size())
####################################################################
##################################
tmp_1 = torch.cat([maskLogit[:,0:1,:,:],maskLogit[:,2:3,:,:],maskLogit[:,4:5,:,:],
maskLogit[:,6:7,:,:],maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],
maskLogit[:,11:12,:,:],maskLogit[:,13:14,:,:]],1)
#print(tmp_1.size())
tmp_2 = torch.cat([maskLogit[:,1:2,:,:],maskLogit[:,3:4,:,:],maskLogit[:,5:6,:,:],
maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],maskLogit[:,11:12,:,:],
maskLogit[:,13:14,:,:],maskLogit[:,15:16,:,:]],1)
#mask = (maskLogit > 0).byte()
mask = (maskLogit[:,8:16,:,:] > 0).byte()
#mask = (tmp_2 > 0).byte()
mask = mask.float()
# print(mask.size())
###################################
# print(mask.type())
# print(mask.size())
# print(maskGT.type())
# print(maskGT.size())
# ------ build transformer ------
# XYZid, ML = transform.fuse3D(
# self.cfg, XYZ, maskLogit, fuseTrans) # [B,3,VHW],[B,1,VHW]
#######################################################
XYZid, ML = transform.fuse3D(
self.cfg, XYZ, mask, fuseTrans) # [B,3,VHW],[B,1,VHW]
#######################################################
# print(XYZid.size())
# print(ML.size())
newDepth, newMaskLogit, collision = transform.render2D(
self.cfg, XYZid, ML, renderTrans) # [B,N,H,W,1]
# print(newDepth.size())
# print(newMaskLogit.size())
# print(collision.size())
# print(maskGT.size())
# ------ Compute loss ------
#######################################################
#loss_mask = self.sigmoid_bce(maskLogit, maskGT.long())
# print(maskLogit[:,0:8,:,:].type())
# print(maskLogit[:,0:8,:,:].size())
# tmp_1 = torch.cat([maskLogit[:,0:1,:,:],maskLogit[:,2:3,:,:],maskLogit[:,4:5,:,:],
# maskLogit[:,6:7,:,:],maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],
# maskLogit[:,11:12,:,:],maskLogit[:,13:14,:,:]],1)
# #print(tmp_1.size())
# tmp_2 = torch.cat([maskLogit[:,1:2,:,:],maskLogit[:,3:4,:,:],maskLogit[:,5:6,:,:],
# maskLogit[:,7:8,:,:],maskLogit[:,9:10,:,:],maskLogit[:,11:12,:,:],
# maskLogit[:,13:14,:,:],maskLogit[:,15:16,:,:]],1)
# #print(tmp_2.size())
# #maskLogit = torch.cat([tmp_1,tmp_2],4)
# maskLogit = torch.stack([tmp_1,tmp_2],dim=1)
#print(maskLogit.size())
#maskLogit = torch.stack([maskLogit[:,0:8,:,:],maskLogit[:,8:16,:,:]],dim=1)
# print(maskLogit.type())
# print(maskLogit.size())
#loss_mask = self.cross_entropy(maskLogit, maskGT.long())
#######################################################
#loss_mask = self.sigmoid_bce(maskLogit, maskGT)
loss_depth = self.l1(
newDepth.masked_select(collision==1),
depthGT.masked_select(collision==1))
# print(newMaskLogit.size())
# print(maskGT.size())
loss_mask = self.sigmoid_bce(newMaskLogit, maskGT)
loss = loss_mask + self.cfg.lambdaDepth * loss_depth
# Update weights
loss.backward()
# True Weight decay
if self.cfg.trueWD is not None:
for group in optimizer.param_groups:
for param in group['params']:
param.data = param.data.add(
-self.cfg.trueWD * group['lr'], param.data)
optimizer.step()
if self.on_after_batch is not None:
if self.cfg.lrSched.lower() in "cyclical":
self.on_after_batch(self.iteration)
else: self.on_after_batch(self.epoch)
running_loss_depth += loss_depth.item() * input_images.size(0)
running_loss_mask += loss_mask.item() * input_images.size(0)
running_loss += loss.item() * input_images.size(0)
epoch_loss_depth = running_loss_depth / len(data_loader.dataset)
epoch_loss_mask = running_loss_mask / len(data_loader.dataset)
epoch_loss = running_loss / len(data_loader.dataset)
print(f"\tTrain loss: {epoch_loss}")
return {"epoch_loss_depth": epoch_loss_depth,
"epoch_loss_mask": epoch_loss_mask,
"epoch_loss": epoch_loss, }