def generate_transform_matrices(name, refer_vertices, refer_triangles,
factors):
"""Generates len(factors) meshes, each of them is scaled by factors[i] and
computes the transformations between them.
Returns:
M: a set of meshes downsampled from mesh by a factor specified in factors.
A: Adjacency matrix for each of the meshes
D: Downsampling transforms between each of the meshes
U: Upsampling transforms between each of the meshes
"""
factors = [1.0 / x for x in factors]
# M, A, D, U = [], [], [], []
# V, T, A, D, U = [], [], [], [], []
vertices = []
triangles = []
adjacencies = []
downsamp_trans = []
upsamp_trans = []
adjacencies.append(
utils.get_vert_connectivity(refer_vertices, refer_triangles))
# M.append(mesh)
vertices.append(refer_vertices)
triangles.append(refer_triangles)
for factor in factors:
ds_triangle, ds_transform = qslim_decimator_transformer(vertices[-1],
triangles[-1],
factor=factor)
downsamp_trans.append(ds_transform)
# new_mesh_v = ds_D.dot(M[-1].v)
ds_vertice = ds_transform.dot(vertices[-1])
# new_mesh = Mesh(v=new_mesh_v, f=ds_f)
# M.append(new_mesh)
vertices.append(ds_vertice)
triangles.append(ds_triangle)
adjacencies.append(utils.get_vert_connectivity(ds_vertice,
ds_triangle))
# U.append(setup_deformation_transfer(M[-1], M[-2]))
upsamp_trans.append(
setup_deformation_transfer(vertices[-1], triangles[-1],
vertices[-2]))
for i, (vertice, triangle) in enumerate(zip(vertices, triangles)):
write_obj(
os.path.join('data', 'reference', name,
'reference{}.obj'.format(i)), vertice, triangle)
return adjacencies, downsamp_trans, upsamp_trans
def process(self):
train_data, val_data, test_data = [], [], []
train_vertices = []
for idx, data_file in tqdm(enumerate(self.data_file)):
mesh = Mesh(filename=data_file)
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(np.vstack(
(adjacency.row, adjacency.col)))
data = Data(x=mesh_verts, y=mesh_verts, edge_index=edge_index)
if self.split == 'sliced':
if idx % 100 <= 10:
test_data.append(data)
elif idx % 100 <= 20:
val_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
elif self.split == 'expression':
if data_file.split('/')[-2] == self.split_term:
test_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
elif self.split == 'identity':
if data_file.split('/')[-3] == self.split_term:
test_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
else:
raise Exception(
'sliced, expression and identity are the only supported split terms'
)
if self.split != 'sliced':
val_data = test_data[-self.nVal:]
test_data = test_data[:-self.nVal]
mean_train = torch.Tensor(np.mean(train_vertices, axis=0))
std_train = torch.Tensor(np.std(train_vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
if self.pre_transform is not None:
if hasattr(self.pre_transform, 'mean') and hasattr(
self.pre_transform, 'std'):
if self.pre_tranform.mean is None:
self.pre_tranform.mean = mean_train
if self.pre_transform.std is None:
self.pre_tranform.std = std_train
train_data = [self.pre_transform(td) for td in train_data]
val_data = [self.pre_transform(td) for td in val_data]
test_data = [self.pre_transform(td) for td in test_data]
torch.save(self.collate(train_data), self.processed_paths[0])
torch.save(self.collate(val_data), self.processed_paths[1])
torch.save(self.collate(test_data), self.processed_paths[2])
torch.save(norm_dict, self.processed_paths[3])
def process(self):
dataset = []
vertices = []
for dx in self.filepaths:
for fp in self.filepaths[dx]:
mesh = Mesh(filename=fp)
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(
np.vstack((adjacency.row, adjacency.col)))
i = self.categories.index(dx)
label = np.zeros(len(self.categories))
label[i] = 1
data = Data(x=mesh_verts,
y=torch.Tensor(label),
edge_index=edge_index)
dataset.append(data)
vertices.append(mesh.v)
if self.dtype == 'train':
mean_train = torch.Tensor(np.mean(vertices, axis=0))
std_train = torch.Tensor(np.std(vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
if hasattr(self.pre_transform, 'mean') and hasattr(
self.pre_transform, 'std'):
if self.pre_transform.mean is None:
self.pre_transform.mean = mean_train
if self.pre_transform.std is None:
self.pre_transform.std = std_train
self.data = [self.pre_transform(td) for td in dataset]
torch.save(self.collate(dataset), self.processed_paths[0])
torch.save(norm_dict, self.processed_paths[2])
elif self.dtype == 'test':
norm_path = self.processed_paths[2]
norm_dict = torch.load(norm_path)
mean_train, std_train = norm_dict['mean'], norm_dict['std']
if hasattr(self.pre_transform, 'mean') and hasattr(
self.pre_transform, 'std'):
if self.pre_transform.mean is None:
self.pre_transform.mean = mean_train
if self.pre_transform.std is None:
self.pre_transform.std = std_train
self.data = [self.pre_transform(td) for td in dataset]
torch.save(self.collate(dataset), self.processed_paths[1])
def process(self):
print('Computing mean and std ...')
train_vertices = []
for idx, data_file in tqdm(enumerate(self.datafile_train)):
mesh = Mesh(filename=data_file)
train_vertices.append(mesh.v)
mean_train = torch.Tensor(np.mean(train_vertices, axis=0))
std_train = torch.Tensor(np.std(train_vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
dest_path = osp.join(self.processed_dir, self.split_term)
if not os.path.exists(dest_path):
os.makedirs(dest_path)
torch.save(norm_dict, self.processed_paths[0])
if self.pre_transform is not None:
if hasattr(self.pre_transform, 'mean') and hasattr(self.pre_transform, 'std'):
if self.pre_tranform.mean is None:
self.pre_tranform.mean = mean_train
if self.pre_transform.std is None:
self.pre_tranform.std = std_train
subsets = ['train', 'test', 'val']
for subset in subsets:
print('processing {} ...'.format(subset))
dest_path = osp.join(self.processed_dir, self.split_term, '{}'.format(subset))
if not os.path.exists(dest_path):
os.makedirs(dest_path)
vertices = []
for idx, data_file in tqdm(enumerate(eval('self.datafile_'+subset))):
mesh = Mesh(filename=data_file)
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.LongTensor(np.vstack((adjacency.row, adjacency.col)))
# edge_index = torch.Tensor(np.vstack((adjacency.row, adjacency.col)))
data = Data(x=mesh_verts, y=mesh_verts, edge_index=edge_index)
vertices.append(mesh.v)
if self.pre_transform is not None:
data = self.pre_transform(data)
torch.save(data, osp.join(self.processed_dir, self.split_term, '{}/data_{}.pt'.format(subset,idx)))
def process(self):
train_data, val_data, test_data = [], [], []
train_vertices = []
for dx in self.data_file :
for tt in self.data_file[dx] :
for f in tqdm(self.data_file[dx][tt]):
mesh = Mesh(filename=f)
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(np.vstack((adjacency.row, adjacency.col)))
if dx == 'ad' :
data = Data(x=mesh_verts, y=torch.Tensor([1,0]), edge_index=edge_index)
elif dx == 'cn' :
data = Data(x=mesh_verts, y=torch.Tensor([0,1]), edge_index=edge_index)
if tt == 'test' :
test_data.append(data)
elif tt == 'train' :
train_data.append(data)
train_vertices.append(mesh.v)
mean_train = torch.Tensor(np.mean(train_vertices, axis=0))
std_train = torch.Tensor(np.std(train_vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
if self.pre_transform is not None:
if hasattr(self.pre_transform, 'mean') and hasattr(self.pre_transform, 'std'):
if self.pre_tranform.mean is None:
self.pre_tranform.mean = mean_train
if self.pre_transform.std is None:
self.pre_tranform.std = std_train
train_data = [self.pre_transform(td) for td in train_data]
val_data = [self.pre_transform(td) for td in val_data]
test_data = [self.pre_transform(td) for td in test_data]
torch.save(self.collate(train_data), self.processed_paths[0])
#torch.save(self.collate(val_data), self.processed_paths[1])
torch.save(self.collate(test_data), self.processed_paths[1])
torch.save(norm_dict, self.processed_paths[2])
def process(self):
train_data, val_data, test_data = [], [], []
train_vertices = []
for key in self.data_file:
for idx, data_file in tqdm(enumerate(self.data_file[key])):
if key == 'lgtd':
mesh = Mesh(filename=data_file[0])
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(
np.vstack((adjacency.row, adjacency.col)))
mesh_m24 = Mesh(filename=data_file[1])
data = Data(x=mesh_verts,
y=torch.Tensor(mesh_m24.v),
edge_index=edge_index)
elif key == 'lgtddx':
mesh = Mesh(filename=data_file[0])
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(
np.vstack((adjacency.row, adjacency.col)))
mesh_m24 = Mesh(filename=data_file[1])
data = Data(x=mesh_verts,
y=torch.Tensor(mesh_m24.v),
edge_index=edge_index,
label=torch.Tensor(data_file[2]))
elif key == 'lgtdvc':
#print(data_file)
mesh = Mesh(filename=data_file[0])
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(
np.vstack((adjacency.row, adjacency.col)))
mesh_fu = Mesh(filename=data_file[1])
data = Data(x=mesh_verts,
y=torch.Tensor(mesh_fu.v),
edge_index=edge_index,
label=torch.Tensor(data_file[2]),
period=torch.Tensor(data_file[3]))
else:
mesh = Mesh(filename=data_file)
mesh_verts = torch.Tensor(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(
np.vstack((adjacency.row, adjacency.col)))
if key == 'ad':
data = Data(x=mesh_verts,
y=mesh_verts,
label=torch.Tensor([1, 0]),
edge_index=edge_index)
elif key == 'cn':
data = Data(x=mesh_verts,
y=mesh_verts,
label=torch.Tensor([0, 1]),
edge_index=edge_index)
elif key == 'all':
data = Data(x=mesh_verts,
y=mesh_verts,
edge_index=edge_index)
if idx % 100 < 10:
test_data.append(data)
#print(data.period)
elif idx % 100 < 20:
val_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
print(len(train_data), len(val_data), len(test_data))
mean_train = torch.Tensor(np.mean(train_vertices, axis=0))
std_train = torch.Tensor(np.std(train_vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
if self.pre_transform is not None:
if hasattr(self.pre_transform, 'mean') and hasattr(
self.pre_transform, 'std'):
if self.pre_tranform.mean is None:
self.pre_tranform.mean = mean_train
if self.pre_transform.std is None:
self.pre_tranform.std = std_train
train_data = [self.pre_transform(td) for td in train_data]
val_data = [self.pre_transform(td) for td in val_data]
test_data = [self.pre_transform(td) for td in test_data]
torch.save(self.collate(train_data), self.processed_paths[0])
torch.save(self.collate(val_data), self.processed_paths[1])
torch.save(self.collate(test_data), self.processed_paths[2])
torch.save(norm_dict, self.processed_paths[3])
def process(self):
train_data, val_data, test_data = [], [], []
train_vertices = []
count = 0
for idx, data_file in tqdm(enumerate(self.data_file)):
fn = data_file.split('/')
#print(fn[2])
mesh = Mesh(filename=data_file)
mesh_verts = torch.Tensor(mesh.v)
# print(torch.mean(mesh_verts, dim = 0, keepdim = True))
#mesh_verts = mesh_verts-torch.mean(mesh_verts, dim = 0, keepdim = True)
'''
if idx % 100 == 0:
print(torch.mean(mesh_verts, dim=0))
save_obj(mesh_verts, mesh.f+1, os.path.join('./vis/', 'data'+str(idx)+'.obj'))
'''
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(np.vstack(
(adjacency.row, adjacency.col))).long()
data = Data(x=mesh_verts, y=mesh_verts, edge_index=edge_index)
if self.split == 'sliced':
if idx % 100 <= 10:
test_data.append(data)
# elif idx % 100 <= 10:
# val_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
elif self.split == 'expression':
if data_file.split('/')[-2] == self.split_term:
test_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
elif self.split == 'identity':
if data_file.split('/')[-3] == self.split_term:
test_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
else:
raise Exception(
'sliced, expression and identity are the only supported split terms'
)
if self.split != 'sliced':
val_data = test_data[-self.nVal:]
test_data = test_data[:-self.nVal]
mean_train = torch.Tensor(np.mean(train_vertices, axis=0))
print(mean_train.shape)
return
std_train = torch.Tensor(np.std(train_vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
if self.pre_transform is not None:
if hasattr(self.pre_transform, 'mean') and hasattr(
self.pre_transform, 'std'):
if self.pre_tranform.mean is None:
self.pre_tranform.mean = mean_train
if self.pre_transform.std is None:
self.pre_tranform.std = std_train
train_data = [self.pre_transform(td) for td in train_data]
val_data = [self.pre_transform(td) for td in val_data]
test_data = [self.pre_transform(td) for td in test_data]
torch.save(self.collate(train_data), self.processed_paths[0])
torch.save(self.collate(test_data), self.processed_paths[1])
torch.save(self.collate(test_data), self.processed_paths[2])
torch.save(norm_dict, self.processed_paths[3])
def main(args):
if not os.path.exists(args.conf):
print('Config not found' + args.conf)
config = read_config(args.conf)
print('Initializing parameters')
template_file_path = config['template_fname']
template_mesh = Mesh(filename=template_file_path)
if args.checkpoint_dir:
checkpoint_dir = args.checkpoint_dir
else:
checkpoint_dir = config['checkpoint_dir']
if not os.path.exists(checkpoint_dir):
os.makedirs(checkpoint_dir)
visualize = config['visualize']
output_dir = config['visual_output_dir']
if visualize is True and not output_dir:
print(
'No visual output directory is provided. Checkpoint directory will be used to store the visual results'
)
output_dir = checkpoint_dir
if not os.path.exists(output_dir):
os.makedirs(output_dir)
eval_flag = config['eval']
lr = config['learning_rate']
lr_decay = config['learning_rate_decay']
weight_decay = config['weight_decay']
total_epochs = config['epoch']
workers_thread = config['workers_thread']
opt = config['optimizer']
batch_size = config['batch_size']
val_losses, accs, durations = [], [], []
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
print('Generating transforms')
M, A, D, U = mesh_operations.generate_transform_matrices(
template_mesh, config['downsampling_factors'])
D_t = [scipy_to_torch_sparse(d).to(device) for d in D]
U_t = [scipy_to_torch_sparse(u).to(device) for u in U]
A_t = [scipy_to_torch_sparse(a).to(device) for a in A]
num_nodes = [len(M[i].v) for i in range(len(M))]
print('Loading Dataset')
if args.data_dir:
data_dir = args.data_dir
else:
data_dir = config['data_dir']
normalize_transform = Normalize()
dataset = ComaDataset(data_dir,
dtype='train',
split=args.split,
split_term=args.split_term,
pre_transform=normalize_transform)
print('Loading model')
start_epoch = 1
coma = Coma(dataset, config, D_t, U_t, A_t, num_nodes)
if opt == 'adam':
optimizer = torch.optim.Adam(coma.parameters(),
lr=lr,
weight_decay=weight_decay)
elif opt == 'sgd':
optimizer = torch.optim.SGD(coma.parameters(),
lr=lr,
weight_decay=weight_decay,
momentum=0.9)
else:
raise Exception('No optimizer provided')
checkpoint_file = config['checkpoint_file']
print(checkpoint_file)
if checkpoint_file:
checkpoint = torch.load(checkpoint_file)
start_epoch = checkpoint['epoch_num']
coma.load_state_dict(checkpoint['state_dict'])
optimizer.load_state_dict(checkpoint['optimizer'])
#To find if this is fixed in pytorch
for state in optimizer.state.values():
for k, v in state.items():
if isinstance(v, torch.Tensor):
state[k] = v.to(device)
coma.to(device)
print('making...')
norm = torch.load('../processed_data/processed/sliced_norm.pt')
normalize_transform.mean = norm['mean']
normalize_transform.std = norm['std']
#'0512','0901','0516','0509','0507','9305','0503','4919','4902',
files = [
'0514', '0503', '0507', '0509', '0512', '0501', '0901', '1001', '4902',
'4913', '4919', '9302', '9305', '12411'
]
coma.eval()
meshviewer = MeshViewers(shape=(1, 2))
for file in files:
#mat = np.load('../Dress Dataset/'+file+'/'+file+'_pose.npz')
mesh_dir = os.listdir('../processed_data/' + file + '/mesh/')
latent = []
print(len(mesh_dir))
for i in tqdm(range(len(mesh_dir))):
data_file = '../processed_data/' + file + '/mesh/' + str(
i) + '.obj'
mesh = Mesh(filename=data_file)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
edge_index = torch.Tensor(np.vstack(
(adjacency.row, adjacency.col))).long()
mesh_verts = (torch.Tensor(mesh.v) -
normalize_transform.mean) / normalize_transform.std
data = Data(x=mesh_verts, y=mesh_verts, edge_index=edge_index)
data = data.to(device)
with torch.no_grad():
out, feature = coma(data)
latent.append(feature.cpu().detach().numpy())
# print(feature.shape)
if i % 50 == 0:
expected_out = data.x
out = out.cpu().detach(
) * normalize_transform.std + normalize_transform.mean
expected_out = expected_out.cpu().detach(
) * normalize_transform.std + normalize_transform.mean
out = out.numpy()
save_obj(out, template_mesh.f + 1,
'./vis/reconstruct_' + str(i) + '.obj')
save_obj(expected_out, template_mesh.f + 1,
'./vis/ori_' + str(i) + '.obj')
np.save('./processed/0820/' + file, latent)
if torch.cuda.is_available():
torch.cuda.synchronize()
def process(self, transform=None):
train_data, val_data, test_data = [], [], []
train_vertices = []
for idx, data_file in tqdm(enumerate(self.data_file)):
# print('\n\n' + data_file + '\n\n')
mesh = Mesh(filename=data_file)
mesh_verts = torch.Tensor(mesh.v)
# print(mesh.v)
adjacency = get_vert_connectivity(mesh.v, mesh.f).tocoo()
# print(adjacency.row)
edge_index = torch.Tensor(np.vstack(
(adjacency.row, adjacency.col))).type(torch.LongTensor)
# print(edge_index)
# taken from pyG (transform.NormalizedScale())
mesh_verts = mesh_verts - mesh_verts.mean(dim=-2, keepdim=True)
scale = (1 / mesh_verts.abs().max()) * 0.999999
mesh_verts = mesh_verts * scale
data = Data(x=mesh_verts, y=mesh_verts, edge_index=edge_index)
# taken from pyG (transform.NormalizedScale())
# data.x = data.x - data.x.mean(dim=-2, keepdim=True)
# scale = (1 / data.x.abs().max()) * 0.999999
# data.x = data.x * scale
if self.split == 'sliced':
if idx % 100 <= 10:
test_data.append(data)
elif idx % 100 <= 20:
val_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
elif self.split == 'expression':
if data_file.split('/')[-2] == self.split_term:
test_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
elif self.split == 'identity':
if data_file.split('/')[-3] == self.split_term:
test_data.append(data)
else:
train_data.append(data)
train_vertices.append(mesh.v)
else:
raise Exception(
'sliced, expression and identity are the only supported split terms'
)
if self.split != 'sliced':
val_data = test_data[-self.nVal:]
test_data = test_data[:-self.nVal]
mean_train = torch.Tensor(np.mean(train_vertices, axis=0))
std_train = torch.Tensor(np.std(train_vertices, axis=0))
norm_dict = {'mean': mean_train, 'std': std_train}
if self.pre_transform is not None:
if hasattr(self.pre_transform, 'mean') and hasattr(
self.pre_transform, 'std'):
if self.pre_tranform.mean is None:
self.pre_tranform.mean = mean_train
if self.pre_transform.std is None:
self.pre_tranform.std = std_train
train_data = [self.pre_transform(td) for td in train_data]
val_data = [self.pre_transform(td) for td in val_data]
test_data = [self.pre_transform(td) for td in test_data]
print('train_data[0].x : {}'.format(train_data[0].x))
print('\n\n')
print('train_data[0].x : {}'.format(train_data[1].x))
torch.save(self.collate(train_data), self.processed_paths[0])
torch.save(self.collate(val_data), self.processed_paths[1])
torch.save(self.collate(test_data), self.processed_paths[2])
torch.save(norm_dict, self.processed_paths[3])
