def main(argv):
parser = argparse.ArgumentParser(
description="Train a network to predict primitives")
parser.add_argument("dataset_directory",
help="Path to the directory containing the dataset")
parser.add_argument("output_directory",
help="Save the output files in that directory")
parser.add_argument(
"--tsdf_directory",
default="",
help="Path to the directory containing the precomputed tsdf files")
parser.add_argument(
"--weight_file",
default=None,
help=("The path to a previously trainined model to continue"
" the training from"))
parser.add_argument("--continue_from_epoch",
default=0,
type=int,
help="Continue training from epoch (default=0)")
parser.add_argument("--n_primitives",
type=int,
default=32,
help="Number of primitives")
parser.add_argument(
"--use_deformations",
action="store_true",
help="Use Superquadrics with deformations as the shape configuration")
parser.add_argument("--train_test_splits_file",
default=None,
help="Path to the train-test splits file")
parser.add_argument("--run_on_gpu", action="store_true", help="Use GPU")
parser.add_argument("--probs_only",
action="store_true",
help="Optimize only using the probabilities")
parser.add_argument("--experiment_tag",
default=None,
help="Tag that refers to the current experiment")
parser.add_argument("--cache_size",
type=int,
default=2000,
help="The batch provider cache size")
parser.add_argument("--seed",
type=int,
default=27,
help="Seed for the PRNG")
add_nn_parameters(parser)
add_dataset_parameters(parser)
add_voxelizer_parameters(parser)
add_training_parameters(parser)
add_sq_mesh_sampler_parameters(parser)
add_regularizer_parameters(parser)
add_gaussian_noise_layer_parameters(parser)
# Parameters related to the loss function and the loss weights
add_loss_parameters(parser)
# Parameters related to loss options
add_loss_options_parameters(parser)
args = parser.parse_args(argv)
if args.train_test_splits_file is not None:
train_test_splits = parse_train_test_splits(
args.train_test_splits_file, args.model_tags)
training_tags = np.hstack(
[train_test_splits["train"], train_test_splits["val"]])
else:
training_tags = args.model_tags
#device = torch.device("cuda:0")
if args.run_on_gpu: #and torch.cuda.is_available():
device = torch.device("cuda:0")
else:
device = torch.device("cpu")
print("Running code on {}".format(device))
# Check if output directory exists and if it doesn't create it
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
# Create an experiment directory using the experiment_tag
if args.experiment_tag is None:
experiment_tag = id_generator(9)
else:
experiment_tag = args.experiment_tag
experiment_directory = os.path.join(args.output_directory, experiment_tag)
if not os.path.exists(experiment_directory):
os.makedirs(experiment_directory)
# Store the parameters for the current experiment in a json file
save_experiment_params(args, experiment_tag, experiment_directory)
print("Save experiment statistics in %s" % (experiment_tag, ))
# Create two files to store the training and test evolution
train_stats = os.path.join(experiment_directory, "train.txt")
val_stats = os.path.join(experiment_directory, "val.txt")
if args.weight_file is None:
train_stats_f = open(train_stats, "w")
else:
train_stats_f = open(train_stats, "a+")
train_stats_f.write(
("epoch loss pcl_to_prim_loss prim_to_pcl_loss bernoulli_regularizer "
"entropy_bernoulli_regularizer parsimony_regularizer "
"overlapping_regularizer sparsity_regularizer\n"))
# Set the random seed
np.random.seed(args.seed)
torch.manual_seed(np.random.randint(np.iinfo(np.int32).max))
if torch.cuda.is_available():
torch.cuda.manual_seed_all(np.random.randint(np.iinfo(np.int32).max))
# Create an object that will sample points in equal distances on the
# surface of the primitive
sampler = get_sampler(args.use_cuboids, args.n_points_from_sq_mesh,
args.D_eta, args.D_omega)
# Create a factory that returns the appropriate voxelizer based on the
# input argument
voxelizer_factory = VoxelizerFactory(args.voxelizer_factory,
np.array(voxelizer_shape(args)),
args.save_voxels_to)
# Create a dataset instance to generate the samples for training
training_dataset = get_dataset_type("euclidean_dual_loss")(
(DatasetBuilder().with_dataset(args.dataset_type).lru_cache(
2000).filter_tags(training_tags).build(args.dataset_directory)),
voxelizer_factory,
args.n_points_from_mesh,
transform=compose_transformations(args.voxelizer_factory))
# Create a batchprovider object to start generating batches
train_bp = BatchProvider(training_dataset,
batch_size=args.batch_size,
cache_size=args.cache_size)
train_bp.ready()
network_params = NetworkParameters.from_options(args)
# Build the model to be used for training
model = network_params.network(network_params)
# Move model to the device to be used
model.to(device)
# Check whether there is a weight file provided to continue training from
if args.weight_file is not None:
model.load_state_dict(torch.load(args.weight_file))
model.train()
# Build an optimizer object to compute the gradients of the parameters
optimizer = optimizer_factory(args, model)
# Loop over the dataset multiple times
pcl_to_prim_losses = []
prim_to_pcl_losses = []
losses = []
for i in range(args.epochs):
bar = get_logger("euclidean_dual_loss", i + 1, args.epochs,
args.steps_per_epoch)
for b, sample in zip(range(args.steps_per_epoch),
yield_infinite(train_bp)):
tags, X, y_target = sample
X, y_target = X.to(device), y_target.to(device)
# based on `tag`
part_point_samples = []
P = []
indices_w_parts = []
for idx_batchwide, tag in enumerate(tags):
# TODO: does this sample have any part pt samples?
target_part_samples_path = os.path.exists(
os.path.join(RANDINDEX_SAMPLES_DIR, '{}.pkl'.format(tag)))
if os.path.exists(target_part_samples_path):
with open(target_part_samples_path, 'rb') as f:
foo = pickle.load(f)
point_samples = foo['samples']
point_samples = torch.Tensor(point_samples).to(device)
part_point_samples.append(point_samples)
N = point_samples.shape[0]
nonzero_indices = foo['neighbor_pairs']
assert nonzero_indices.shape[0] == 2
val = np.ones(nonzero_indices.shape[1])
curr_P = torch.sparse_coo_tensor(nonzero_indices, val,
(N, N))
curr_P = curr_P.to(device)
P.append(curr_P)
# turn into matrices here?
indices_w_parts.append(idx_batchwide)
P = torch.stack(P, axis=0)
part_point_samples = torch.stack(part_point_samples, axis=0)
import ipdb
ipdb.set_trace()
# Train on batch
batch_loss, metrics, debug_stats = train_on_batch_w_parts(
model,
lr_schedule(optimizer, i, args.lr, args.lr_factor,
args.lr_epochs), euclidean_dual_loss, X, y_target,
get_regularizer_terms(args, i), sampler,
get_loss_options(args), P, part_point_samples, indices_w_parts)
# Get the regularizer terms
reg_values = debug_stats["regularizer_terms"]
sparsity_regularizer = reg_values["sparsity_regularizer"]
overlapping_regularizer = reg_values["overlapping_regularizer"]
parsimony_regularizer = reg_values["parsimony_regularizer"]
entropy_bernoulli_regularizer = reg_values[
"entropy_bernoulli_regularizer"]
bernoulli_regularizer = reg_values["bernoulli_regularizer"]
# The lossess
pcl_to_prim_loss = debug_stats["pcl_to_prim_loss"].item()
prim_to_pcl_loss = debug_stats["prim_to_pcl_loss"].item()
bar.loss = moving_average(bar.loss, batch_loss, b)
bar.pcl_to_prim_loss = \
moving_average(bar.pcl_to_prim_loss, pcl_to_prim_loss, b)
bar.prim_to_pcl_loss = \
moving_average(bar.prim_to_pcl_loss, prim_to_pcl_loss, b)
losses.append(bar.loss)
prim_to_pcl_losses.append(bar.prim_to_pcl_loss)
pcl_to_prim_losses.append(bar.pcl_to_prim_loss)
bar.bernoulli_regularizer =\
(bar.bernoulli_regularizer * b + bernoulli_regularizer) / (b+1)
bar.parsimony_regularizer =\
(bar.parsimony_regularizer * b + parsimony_regularizer) / (b+1)
bar.overlapping_regularizer =\
(bar.overlapping_regularizer * b + overlapping_regularizer) / (b+1)
bar.entropy_bernoulli_regularizer = \
(bar.entropy_bernoulli_regularizer * b +
entropy_bernoulli_regularizer) / (b+1)
bar.sparsity_regularizer =\
(bar.sparsity_regularizer * b + sparsity_regularizer) / (b+1)
bar.exp_n_prims = metrics[0].sum(-1).mean()
# Update the file that keeps track of the statistics
train_stats_f.write(
("%d %.8f %.8f %.8f %.6f %.6f %.6f %.6f %.6f") %
(i, bar.loss, bar.pcl_to_prim_loss, bar.prim_to_pcl_loss,
bar.bernoulli_regularizer, bar.entropy_bernoulli_regularizer,
bar.parsimony_regularizer, bar.overlapping_regularizer,
bar.sparsity_regularizer))
train_stats_f.write("\n")
train_stats_f.flush()
bar.next()
# Finish the progress bar and save the model after every epoch
bar.finish()
# Stop the batch provider
train_bp.stop()
torch.save(
model.state_dict(),
os.path.join(experiment_directory,
"model_%d" % (i + args.continue_from_epoch, )))
print([
sum(losses[args.steps_per_epoch:]) / float(args.steps_per_epoch),
sum(losses[:args.steps_per_epoch]) / float(args.steps_per_epoch),
sum(pcl_to_prim_losses[args.steps_per_epoch:]) /
float(args.steps_per_epoch),
sum(pcl_to_prim_losses[:args.steps_per_epoch]) /
float(args.steps_per_epoch),
sum(prim_to_pcl_losses[args.steps_per_epoch:]) /
float(args.steps_per_epoch),
sum(prim_to_pcl_losses[:args.steps_per_epoch]) /
float(args.steps_per_epoch),
])
def main(argv):
parser = argparse.ArgumentParser(
description="Do the forward pass and estimate a set of primitives"
)
parser.add_argument(
"dataset_directory",
help="Path to the directory containing the dataset"
)
parser.add_argument(
"output_directory",
help="Save the output files in that directory"
)
parser.add_argument(
"--tsdf_directory",
default="",
help="Path to the directory containing the precomputed tsdf files"
)
parser.add_argument(
"--weight_file",
default=None,
help="The path to the previously trainined model to be used"
)
parser.add_argument(
"--n_primitives",
type=int,
default=32,
help="Number of primitives"
)
parser.add_argument(
"--prob_threshold",
type=float,
default=0.5,
help="Probability threshold"
)
parser.add_argument(
"--use_deformations",
action="store_true",
help="Use Superquadrics with deformations as the shape configuration"
)
parser.add_argument(
"--save_prediction_as_mesh",
action="store_true",
help="When true store prediction as a mesh"
)
parser.add_argument(
"--run_on_gpu",
action="store_true",
help="Use GPU"
)
parser.add_argument(
"--with_animation",
action="store_true",
help="Add animation"
)
add_dataset_parameters(parser)
add_nn_parameters(parser)
add_voxelizer_parameters(parser)
add_gaussian_noise_layer_parameters(parser)
add_loss_parameters(parser)
add_loss_options_parameters(parser)
args = parser.parse_args(argv)
# A sampler instance
e = EqualDistanceSamplerSQ(200)
# Check if output directory exists and if it doesn't create it
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if args.run_on_gpu and torch.cuda.is_available():
device = torch.device("cuda:0")
else:
device = torch.device("cpu")
print ("Running code on {}".format(device))
# Create a factory that returns the appropriate voxelizer based on the
# input argument
voxelizer_factory = VoxelizerFactory(
args.voxelizer_factory,
np.array(voxelizer_shape(args)),
args.save_voxels_to
)
# Create a dataset instance to generate the samples for training
dataset = get_dataset_type("euclidean_dual_loss")(
(DatasetBuilder()
.with_dataset(args.dataset_type)
.filter_tags(args.model_tags)
.build(args.dataset_directory)),
voxelizer_factory,
args.n_points_from_mesh,
transform=compose_transformations(voxelizer_factory)
)
model_tags = dataset._dataset_object._tags
# TODO: Change batch_size in dataloader
dataloader = DataLoader(dataset, batch_size=1, num_workers=4)
network_params = NetworkParameters.from_options(args)
# Build the model to be used for testing
model = network_params.network(network_params)
# Move model to device to be used
model.to(device)
if args.weight_file is not None:
# Load the model parameters of the previously trained model
model.load_state_dict(
torch.load(args.weight_file, map_location=device)
)
model.eval()
colors = get_colors(args.n_primitives)
for sample_idx, sample in enumerate(dataloader):
model_tag = model_tags[sample_idx]
X, y_target = sample
X, y_target = X.to(device), y_target.to(device)
# Do the forward pass and estimate the primitive parameters
y_hat = model(X)
M = args.n_primitives # number of primitives
probs = y_hat[0].to("cpu").detach().numpy()
# Transform the Euler angles to rotation matrices
if y_hat[2].shape[1] == 3:
R = euler_angles_to_rotation_matrices(
y_hat[2].view(-1, 3)
).to("cpu").detach()
else:
R = quaternions_to_rotation_matrices(
y_hat[2].view(-1, 4)
).to("cpu").detach()
# get also the raw quaternions
quats = y_hat[2].view(-1, 4).to("cpu").detach().numpy()
translations = y_hat[1].to("cpu").view(args.n_primitives, 3)
translations = translations.detach().numpy()
shapes = y_hat[3].to("cpu").view(args.n_primitives, 3).detach().numpy()
epsilons = y_hat[4].to("cpu").view(
args.n_primitives, 2
).detach().numpy()
taperings = y_hat[5].to("cpu").view(
args.n_primitives, 2
).detach().numpy()
pts = y_target[:, :, :3].to("cpu")
pts_labels = y_target[:, :, -1].to("cpu").squeeze().numpy()
pts = pts.squeeze().detach().numpy().T
on_prims = 0
# XXX: UNTIL I FIX THE MLAB ISSUE
# fig = mlab.figure(size=(400, 400), bgcolor=(1, 1, 1))
# mlab.view(azimuth=0.0, elevation=0.0, distance=2)
# Uncomment to visualize the points sampled from the target mesh
# t = np.array([1.2, 0, 0]).reshape(3, -1)
# pts_n = pts + t
# mlab.points3d(
# # pts_n[0], pts_n[1], pts_n[2],
# pts[0], pts[1], pts[2],
# scale_factor=0.03, color=(0.8, 0.8, 0.8)
# )
save_dir = os.path.join(args.output_directory,
os.path.basename(os.path.dirname(args.dataset_directory)),
model_tag)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
# args.output_directory/class/model_id/primitive_%d.p
# args.output_directory/class/model_id/reconstruction
# Keep track of the files containing the parameters of each primitive
primitive_files = []
for i in range(args.n_primitives):
x_tr, y_tr, z_tr, prim_pts =\
get_shape_configuration(args.use_cuboids)(
shapes[i, 0],
shapes[i, 1],
shapes[i, 2],
epsilons[i, 0],
epsilons[i, 1],
R[i].numpy(),
translations[i].reshape(-1, 1),
taperings[i, 0],
taperings[i, 1]
)
# Dump the parameters of each primitive as a dictionary
# TODO: change filepath
store_primitive_parameters(
size=tuple(shapes[i]),
shape=tuple(epsilons[i]),
rotation=tuple(quats[i]),
location=tuple(translations[i]),
tapering=tuple(taperings[i]),
probability=(probs[0, i],),
color=(colors[i % len(colors)]) + (1.0,),
filepath=os.path.join(
save_dir,
"primitive_%d.p" %(i,)
)
)
if probs[0, i] >= args.prob_threshold:
on_prims += 1
# mlab.mesh(
# x_tr,
# y_tr,
# z_tr,
# color=tuple(colors[i % len(colors)]),
# opacity=1.0
# )
primitive_files.append(
os.path.join(save_dir, "primitive_%d.p" % (i,))
)
if args.with_animation:
cnt = 0
for az in range(0, 360, 1):
cnt += 1
# XXX UNTIL I FIX THE MLAB ISSUE
# mlab.view(azimuth=az, elevation=0.0, distance=2)
# mlab.savefig(
# os.path.join(
# args.output_directory,
# "img_%04d.png" % (cnt,)
# )
# )
for i in range(args.n_primitives):
print("{} {}".format(i, probs[0, i]))
print ("Using %d primitives out of %d" % (on_prims, args.n_primitives))
# XXX UNTIL I FIX THE MLAB ISSUE
# mlab.show()
# TODO: from_primitive_parms_to_mesh()
# TODO: get parts for this chair.
# TODO: push the parts and superquadric meshes through the metric function
# TODO: record metrics
if args.save_prediction_as_mesh:
# TODO: save with model information, class information ...etc
print ("Saving prediction as mesh....")
save_prediction_as_ply(
primitive_files,
os.path.join(save_dir, "reconstruction.ply")
)
print("Saved prediction as ply file in {}".format(
os.path.join(save_dir, "reconstruction.ply")
))
def main(argv):
parser = argparse.ArgumentParser(
description="Do the forward pass and estimate a set of primitives")
parser.add_argument("dataset_directory",
help="Path to the directory containing the dataset")
parser.add_argument("output_directory",
help="Save the output files in that directory")
parser.add_argument(
"--tsdf_directory",
default="",
help="Path to the directory containing the precomputed tsdf files")
parser.add_argument(
"--weight_file",
default=None,
help="The path to the previously trainined model to be used")
parser.add_argument("--n_primitives",
type=int,
default=32,
help="Number of primitives")
parser.add_argument("--prob_threshold",
type=float,
default=0.5,
help="Probability threshold")
parser.add_argument(
"--use_deformations",
action="store_true",
help="Use Superquadrics with deformations as the shape configuration")
parser.add_argument("--run_on_gpu", action="store_true", help="Use GPU")
parser.add_argument("--title", default="Fooo", help="Title on the plot")
parser.add_argument("--save_image_to",
default="/tmp/image_0.png",
help="Path to image")
parser.add_argument("--with_animation",
action="store_true",
help="Add animation")
parser.add_argument("--model_id",
type=int,
default=0,
help="Epoch at which this model was captured")
add_dataset_parameters(parser)
add_nn_parameters(parser)
add_voxelizer_parameters(parser)
add_tsdf_fusion_parameters(parser)
add_gaussian_noise_layer_parameters(parser)
add_loss_parameters(parser)
add_loss_options_parameters(parser)
args = parser.parse_args(argv)
# A sampler instance
e = EqualDistanceSamplerSQ(200)
# Check if output directory exists and if it doesn't create it
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if args.run_on_gpu and torch.cuda.is_available():
device = torch.device("cuda:0")
else:
device = torch.device("cpu")
print "Running code on ", device
losses = {"euclidean_dual_loss": euclidean_dual_loss}
loss_factory = losses[args.loss_type]
# Create a factory that returns the appropriate voxelizer based on the
# input argument
voxelizer_factory = VoxelizerFactory(args.voxelizer_factory,
np.array(voxelizer_shape(args)),
args.save_voxels_to)
# Create a dataset instance to generate the samples for training
dataset = get_dataset_type(args.loss_type)(
(DatasetBuilder().with_dataset(args.dataset_type).filter_tags(
args.model_tags).build(args.dataset_directory)),
voxelizer_factory,
args.n_points_from_mesh,
transform=compose_transformations(voxelizer_factory))
# TODO: Change batch_size in dataloader
dataloader = DataLoader(dataset, batch_size=1, num_workers=4)
network_params = NetworkParameters.from_options(args)
# Build the model to be used for testing
model = network_params.network(network_params)
# Move model to device to be used
model.to(device)
if args.weight_file is not None:
# Load the model parameters of the previously trained model
model.load_state_dict(torch.load(args.weight_file,
map_location=device))
model.eval()
colors = get_colors(args.n_primitives)
for sample in dataloader:
X, y_target = sample
X, y_target = X.to(device), y_target.to(device)
# Do the forward pass and estimate the primitive parameters
y_hat = model(X)
M = args.n_primitives # number of primitives
probs = y_hat[0].to("cpu").detach().numpy()
# Transform the Euler angles to rotation matrices
if y_hat[2].shape[1] == 3:
R = euler_angles_to_rotation_matrices(y_hat[2].view(
-1, 3)).to("cpu").detach()
else:
R = quaternions_to_rotation_matrices(y_hat[2].view(
-1, 4)).to("cpu").detach()
translations = y_hat[1].to("cpu").view(args.n_primitives, 3)
translations = translations.detach().numpy()
shapes = y_hat[3].to("cpu").view(args.n_primitives, 3).detach().numpy()
epsilons = y_hat[4].to("cpu").view(args.n_primitives,
2).detach().numpy()
taperings = y_hat[5].to("cpu").view(args.n_primitives,
2).detach().numpy()
pts = y_target[:, :, :3].to("cpu")
pts_labels = y_target[:, :, -1].to("cpu").squeeze().numpy()
pts = pts.squeeze().detach().numpy().T
on_prims = 0
fig = mlab.figure(size=(400, 400), bgcolor=(1, 1, 1))
mlab.view(azimuth=0.0, elevation=0.0, distance=2)
# Uncomment to visualize the points sampled from the target mesh
# t = np.array([1.2, 0, 0]).reshape(3, -1)
# pts_n = pts + t
# mlab.points3d(
# # pts_n[0], pts_n[1], pts_n[2],
# pts[0], pts[1], pts[2],
# scale_factor=0.03, color=(0.8, 0.8, 0.8)
# )
for i in range(args.n_primitives):
x_tr, y_tr, z_tr, prim_pts =\
get_shape_configuration(args.use_cuboids)(
shapes[i, 0],
shapes[i, 1],
shapes[i, 2],
epsilons[i, 0],
epsilons[i, 1],
R[i].numpy(),
translations[i].reshape(-1, 1),
taperings[i, 0],
taperings[i, 1]
)
if probs[0, i] >= args.prob_threshold:
on_prims += 1
mlab.mesh(x_tr,
y_tr,
z_tr,
color=tuple(colors[i % len(colors)]),
opacity=1.0)
if args.with_animation:
cnt = 0
for az in range(0, 360, 1):
cnt += 1
mlab.view(azimuth=az, elevation=0.0, distance=2)
mlab.savefig(
os.path.join(args.output_directory,
"img_%04d.png" % (cnt, )))
for i in range(args.n_primitives):
print i, probs[0, i]
print "Using %d primitives out of %d" % (on_prims, args.n_primitives)
mlab.show()
def main(argv):
parser = argparse.ArgumentParser(
description="Do the forward pass and estimate a set of primitives"
)
parser.add_argument(
"dataset_directory",
help="Path to the directory containing the dataset"
)
parser.add_argument(
"output_directory",
help="Save the output files in that directory"
)
parser.add_argument(
"--tsdf_directory",
default="",
help="Path to the directory containing the precomputed tsdf files"
)
parser.add_argument(
"--weight_file",
default=None,
help="The path to the previously trainined model to be used"
)
parser.add_argument(
"--n_primitives",
type=int,
default=32,
help="Number of primitives"
)
parser.add_argument(
"--use_deformations",
action="store_true",
help="Use Superquadrics with deformations as the shape configuration"
)
parser.add_argument(
"--run_on_gpu",
action="store_true",
help="Use GPU"
)
add_dataset_parameters(parser)
add_nn_parameters(parser)
add_voxelizer_parameters(parser)
add_gaussian_noise_layer_parameters(parser)
add_loss_parameters(parser)
add_loss_options_parameters(parser)
args = parser.parse_args(argv)
# A sampler instance
e = EqualDistanceSamplerSQ(200)
# Check if output directory exists and if it doesn't create it
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if args.run_on_gpu and torch.cuda.is_available():
device = torch.device("cuda:0")
else:
device = torch.device("cpu")
print "Running code on ", device
# Create a factory that returns the appropriate voxelizer based on the
# input argument
voxelizer_factory = VoxelizerFactory(
args.voxelizer_factory,
np.array(voxelizer_shape(args)),
args.save_voxels_to
)
# Create a dataset instance to generate the samples for training
dataset = get_dataset_type("euclidean_dual_loss")(
(DatasetBuilder()
.with_dataset(args.dataset_type)
.filter_tags(args.model_tags)
.build(args.dataset_directory)),
voxelizer_factory,
args.n_points_from_mesh,
n_bbox=args.n_bbox,
n_surface=args.n_surface,
equal=args.equal,
transform=compose_transformations(voxelizer_factory)
)
# TODO: Change batch_size in dataloader
dataloader = DataLoader(dataset, batch_size=1, num_workers=4)
network_params = NetworkParameters.from_options(args)
# Build the model to be used for testing
model = network_params.network(network_params)
# Move model to device to be used
model.to(device)
if args.weight_file is not None:
# Load the model parameters of the previously trained model
model.load_state_dict(
torch.load(args.weight_file, map_location=device)
)
model.eval()
losses = []
pcl_to_prim_losses = []
prim_to_pcl_losses = []
prog = Progbar(len(dataloader))
i = 0
for sample in dataloader:
X, y_target = sample
X, y_target = X.to(device), y_target.to(device)
# Do the forward pass and estimate the primitive parameters
y_hat = model(X)
reg_terms = {
"regularizer_type": [],
"bernoulli_regularizer_weight": 0.0,
"entropy_bernoulli_regularizer_weight": 0.0,
"parsimony_regularizer_weight": 0.0,
"overlapping_regularizer_weight": 0.0,
"sparsity_regularizer_weight": 0.0,
}
loss, debug_stats = euclidean_dual_loss(
y_hat,
y_target,
reg_terms,
e,
get_loss_options(args)
)
if not np.isnan(loss.item()):
losses.append(loss.item())
pcl_to_prim_losses.append(debug_stats["pcl_to_prim_loss"].item())
prim_to_pcl_losses.append(debug_stats["prim_to_pcl_loss"].item())
# Update progress bar
prog.update(i+1)
i += 1
np.savetxt(
os.path.join(args.output_directory, "losses.txt"),
losses
)
np.savetxt(
os.path.join(args.output_directory, "pcl_to_prim_losses.txt"),
pcl_to_prim_losses
)
np.savetxt(
os.path.join(args.output_directory, "prim_to_pcl_losses.txt"),
prim_to_pcl_losses
)
np.savetxt(
os.path.join(args.output_directory, "mean_std_losses.txt"),
[np.mean(losses), np.std(losses),
np.mean(pcl_to_prim_losses), np.std(pcl_to_prim_losses),
np.mean(prim_to_pcl_losses), np.std(prim_to_pcl_losses)]
)
print "loss: %.7f +/- %.7f - pcl_to_prim_loss %.7f +/- %.7f - prim_to_pcl_loss %.7f +/- %.7f" %(
np.mean(losses),
np.std(losses),
np.mean(pcl_to_prim_losses),
np.std(pcl_to_prim_losses),
np.mean(prim_to_pcl_losses),
np.std(prim_to_pcl_losses)
)
def main(argv):
parser = argparse.ArgumentParser(
description="Do the forward pass and estimate a set of primitives"
)
parser.add_argument(
"dataset_directory",
help="Path to the directory containing the dataset"
)
parser.add_argument(
"output_directory",
help="Save the output files in that directory"
)
parser.add_argument(
"--tsdf_directory",
default="",
help="Path to the directory containing the precomputed tsdf files"
)
parser.add_argument(
"--weight_file",
default=None,
help="The path to the previously trainined model to be used"
)
parser.add_argument(
"--n_primitives",
type=int,
default=32,
help="Number of primitives"
)
parser.add_argument(
"--prob_threshold",
type=float,
default=0.5,
help="Probability threshold"
)
parser.add_argument(
"--use_deformations",
action="store_true",
help="Use Superquadrics with deformations as the shape configuration"
)
parser.add_argument(
"--save_prediction_as_mesh",
action="store_true",
help="When true store prediction as a mesh"
)
parser.add_argument(
"--run_on_gpu",
action="store_true",
help="Use GPU"
)
parser.add_argument(
"--with_animation",
action="store_true",
help="Add animation"
)
parser.add_argument(
"--train_test_splits_file",
default=None,
help="Path to the train-test splits file"
) # we are going to test on the test splits
parser.add_argument(
'--save_individual_IOUs',
action="store_true",
help="saves the IOU with partnet parts for every 3d model evaluated."
)
parser.add_argument(
'--recenter_superquadrics',
action="store_true",
help="recenters the superquadrics to the part bounding boxes before evaluating metric"
)
add_dataset_parameters(parser)
add_nn_parameters(parser)
add_voxelizer_parameters(parser)
add_gaussian_noise_layer_parameters(parser)
add_loss_parameters(parser)
add_loss_options_parameters(parser)
args = parser.parse_args(argv)
if args.train_test_splits_file is not None:
train_test_splits = parse_train_test_splits(
args.train_test_splits_file,
args.model_tags
)
test_tags = np.hstack([
train_test_splits["test"]
])
else:
test_tags = args.model_tags
# A sampler instance
e = EqualDistanceSamplerSQ(200)
# Check if output directory exists and if it doesn't create it
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if args.run_on_gpu and torch.cuda.is_available():
device = torch.device("cuda:0")
else:
device = torch.device("cpu")
print ("Running code on {}".format(device))
# Create a factory that returns the appropriate voxelizer based on the
# input argument
voxelizer_factory = VoxelizerFactory(
args.voxelizer_factory,
np.array(voxelizer_shape(args)),
args.save_voxels_to
)
# Create a dataset instance to generate the samples for training
dataset = get_dataset_type("euclidean_dual_loss")(
(DatasetBuilder()
.with_dataset(args.dataset_type)
.filter_tags(test_tags)
.build(args.dataset_directory)),
voxelizer_factory,
args.n_points_from_mesh,
transform=compose_transformations(voxelizer_factory)
)
model_tags = dataset._dataset_object._tags
# TODO: Change batch_size in dataloader
dataloader = DataLoader(dataset, batch_size=1, num_workers=4)
network_params = NetworkParameters.from_options(args)
# Build the model to be used for testing
model = network_params.network(network_params)
# Move model to device to be used
model.to(device)
if args.weight_file is not None:
# Load the model parameters of the previously trained model
model.load_state_dict(
torch.load(args.weight_file, map_location=device)
)
model.eval()
colors = get_colors(args.n_primitives)
# getting the big picture for parts
id_set = set([])
label_set = set([])
parts_dir = '../parts_output/{}'.format(os.path.basename(os.path.dirname(args.dataset_directory)))
for pick in os.listdir(parts_dir):
with open(os.path.join(parts_dir, pick), 'rb') as f:
leaves = pickle.load(f)
for leaf in leaves:
id_set.add(leaf['id'])
label_set.add(leaf['label'])
print('Found a total of {} part id'.format(len(id_set)))
part_id_list = sorted(list(id_set))
part_id_to_IOUidx = {id_: idx for idx, id_ in enumerate(part_id_list)}
part_IOUidx_to_id = {idx: id_ for idx, id_ in enumerate(part_id_list)}
IOU_matrix = np.zeros((args.n_primitives, len(id_set)))
IOU_counter = 0
for sample_idx, sample in enumerate(dataloader):
model_tag = model_tags[sample_idx]
print('evaluating model_tag {}'.format(model_tag))
X, y_target = sample[1]
X, y_target = X.to(device), y_target.to(device)
# Do the forward pass and estimate the primitive parameters
y_hat = model(X)
M = args.n_primitives # number of primitives
probs = y_hat[0].to("cpu").detach().numpy()
# Transform the Euler angles to rotation matrices
if y_hat[2].shape[1] == 3:
R = euler_angles_to_rotation_matrices(
y_hat[2].view(-1, 3)
).to("cpu").detach()
else:
R = quaternions_to_rotation_matrices(
y_hat[2].view(-1, 4)
).to("cpu").detach()
# get also the raw quaternions
quats = y_hat[2].view(-1, 4).to("cpu").detach().numpy()
translations = y_hat[1].to("cpu").view(args.n_primitives, 3)
translations = translations.detach().numpy()
shapes = y_hat[3].to("cpu").view(args.n_primitives, 3).detach().numpy()
epsilons = y_hat[4].to("cpu").view(
args.n_primitives, 2
).detach().numpy()
taperings = y_hat[5].to("cpu").view(
args.n_primitives, 2
).detach().numpy()
pts = y_target[:, :, :3].to("cpu")
pts_labels = y_target[:, :, -1].to("cpu").squeeze().numpy()
pts = pts.squeeze().detach().numpy().T
on_prims = 0
# XXX: UNTIL I FIX THE MLAB ISSUE
# fig = mlab.figure(size=(400, 400), bgcolor=(1, 1, 1))
# mlab.view(azimuth=0.0, elevation=0.0, distance=2)
# Uncomment to visualize the points sampled from the target mesh
# t = np.array([1.2, 0, 0]).reshape(3, -1)
# pts_n = pts + t
# mlab.points3d(
# # pts_n[0], pts_n[1], pts_n[2],
# pts[0], pts[1], pts[2],
# scale_factor=0.03, color=(0.8, 0.8, 0.8)
# )
save_dir = os.path.join(args.output_directory,
os.path.basename(os.path.dirname(args.dataset_directory)),
model_tag)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
# args.output_directory/class/model_id/primitive_%d.p
# args.output_directory/class/model_id/reconstruction
# Keep track of the files containing the parameters of each primitive
primitive_files = []
primitive_indices = []
for i in range(args.n_primitives):
x_tr, y_tr, z_tr, prim_pts =\
get_shape_configuration(args.use_cuboids)(
shapes[i, 0],
shapes[i, 1],
shapes[i, 2],
epsilons[i, 0],
epsilons[i, 1],
R[i].numpy(),
translations[i].reshape(-1, 1),
taperings[i, 0],
taperings[i, 1]
)
# Dump the parameters of each primitive as a dictionary
# TODO: change filepath
store_primitive_parameters(
size=tuple(shapes[i]),
shape=tuple(epsilons[i]),
rotation=tuple(quats[i]),
location=tuple(translations[i]),
tapering=tuple(taperings[i]),
probability=(probs[0, i],),
color=(colors[i % len(colors)]) + (1.0,),
filepath=os.path.join(
save_dir,
"primitive_%d.p" %(i,)
)
)
if probs[0, i] >= args.prob_threshold:
on_prims += 1
# mlab.mesh(
# x_tr,
# y_tr,
# z_tr,
# color=tuple(colors[i % len(colors)]),
# opacity=1.0
# )
primitive_files.append(
os.path.join(save_dir, "primitive_%d.p" % (i,))
)
primitive_indices.append(i)
if args.with_animation:
cnt = 0
for az in range(0, 360, 1):
cnt += 1
# XXX UNTIL I FIX THE MLAB ISSUE
# mlab.view(azimuth=az, elevation=0.0, distance=2)
# mlab.savefig(
# os.path.join(
# args.output_directory,
# "img_%04d.png" % (cnt,)
# )
# )
# for i in range(args.n_primitives):
# print("{} {}".format(i, probs[0, i]))
print ("Using %d primitives out of %d" % (on_prims, args.n_primitives))
# XXX UNTIL I FIX THE MLAB ISSUE
# mlab.show()
# get the meshes
superquadric_id_meshes = []
for i, p in zip(primitive_indices, primitive_files):
prim_params = pickle.load(open(p, "rb"))
_m = _from_primitive_parms_to_mesh(prim_params)
superquadric_id_meshes.append((i, _m))
# get the parts
with open(os.path.join(parts_dir, '{}.pkl'.format(model_tag)), 'rb') as f:
leaf_parts = pickle.load(f)
# get the bounding box information
part_id_meshes = [(leaf['id'], leaf['bbox_mesh']) for leaf in leaf_parts]
part_id_bboxes = [(leaf['id'], leaf['bbox']) for leaf in leaf_parts]
if args.recenter_superquadrics: # recenter superquadric predictions
# moving the superquadrics to the part centers
supe_vert = np.vstack([el[1].vertices for el in superquadric_id_meshes])
assert supe_vert.shape[1] == 3
supe_center = 0.5*(np.max(supe_vert, axis=0) + np.min(supe_vert, axis=0))
part_vert = np.vstack([el[1].vertices for el in part_id_meshes])
assert part_vert.shape[1] == 3
part_center = 0.5*(np.max(part_vert, axis=0) + np.min(part_vert, axis=0))
for el in superquadric_id_meshes:
el[1].vertices = el[1].vertices - supe_center + part_center
# TODO: push the parts and superquadric meshes through the metric function
IOU_matrix, delta_IOU = update_IOUs(IOU_matrix,
superquadric_id_meshes,
part_id_bboxes,
part_id_meshes,
part_id_to_IOUidx)
IOU_counter += 1
mean_IOU_matrix = IOU_matrix/IOU_counter
if IOU_counter % 5 == 0:
bestIOU, supeidx2partidx = get_consistency(mean_IOU_matrix)
supeid2partid = {supe_id: part_IOUidx_to_id[part_id]
for supe_id, part_id in supeidx2partidx}
print('##################################')
print('Best superquadric -> part matching')
print(supeid2partid)
print('Best IOU')
print(bestIOU)
print('##################################')
if args.save_prediction_as_mesh:
# TODO: save with model information, class information ...etc
print ("Saving prediction as mesh....")
save_prediction_as_ply(
primitive_files,
os.path.join(save_dir, "reconstruction.ply")
)
print("Saved prediction as ply file in {}".format(
os.path.join(save_dir, "reconstruction.ply")
))
if args.save_individual_IOUs:
save_dict = {'shapenetid': model_tag,
'indiv_IOU': delta_IOU,
'id2labels': {leaf['id']: leaf['label']
for leaf in leaf_parts},
'part_id2idx': part_id_to_IOUidx,
'part_bboxes': part_id_bboxes,
'part_mesh': part_id_meshes,
'superquadrics': superquadric_id_meshes}
with open(os.path.join(save_dir, "part_IOU.pkl"), 'wb') as f:
pickle.dump(save_dict, f)
# record metrics
# TODO: record metrics
# 1) the matrix of IOU's
# 2) the assignments: superquadric_id's to partid
mean_IOU_matrix = IOU_matrix/IOU_counter
bestIOU, supeidx2partidx = get_consistency(mean_IOU_matrix)
supeid2partid = {supe_id: part_IOUidx_to_id[part_id]
for supe_id, part_id in supeidx2partidx}
print('##################################')
print('Best superquadric -> part matching')
print(supeid2partid)
print('Best IOU')
print(bestIOU)
print('##################################')