def generate_stat_data(self, filename):
eval_poses = helper.read_poses(FLAGS.data_dict, FLAGS.eval_poses)
template_data = self.templates[self.template_idx,:,:].reshape((1,MAX_NUM_POINT,3))
TIME, ITR, Trans_Err, Rot_Err = [], [], [], []
for pose in eval_poses:
source_data = helper.apply_transformation(self.templates[self.template_idx,:,:],pose.reshape((-1,6)))
final_pose, _, _, _, _, elapsed_time, itr = self.test_one_case(source_data,template_data)
translation_error, rotational_error = self.find_errors(pose.reshape((-1,6)), final_pose)
TIME.append(elapsed_time)
ITR.append(itr)
Trans_Err.append(translation_error)
Rot_Err.append(rotational_error)
TIME_mean, ITR_mean, Trans_Err_mean, Rot_Err_mean = sum(TIME)/len(TIME), sum(ITR)/len(ITR), sum(Trans_Err)/len(Trans_Err), sum(Rot_Err)/len(Rot_Err)
TIME_var, ITR_var, Trans_Err_var, Rot_Err_var = np.var(np.array(TIME)), np.var(np.array(ITR)), np.var(np.array(Trans_Err)), np.var(np.array(Rot_Err))
import csv
with open(filename + '.csv','w') as csvfile:
csvwriter = csv.writer(csvfile)
for i in range(len(TIME)):
csvwriter.writerow([i, TIME[i], ITR[i], Trans_Err[i], Rot_Err[i]])
with open(filename+'.txt','w') as file:
file.write("Mean of Time: {}".format(TIME_mean))
file.write("Mean of Iterations: {}".format(ITR_mean))
file.write("Mean of Translation Error: {}".format(Trans_Err_mean))
file.write("Mean of Rotation Error: {}".format(Rot_Err_mean))
file.write("Variance in Time: {}".format(TIME_var))
file.write("Variance in Iterations: {}".format(ITR_var))
file.write("Variance in Translation Error: {}".format(Trans_Err_var))
file.write("Variance in Rotation Error: {}".format(Rot_Err_var))
def train():
if not torch.cuda.is_available():
args.device = 'cpu'
args.device = torch.device(args.device)
action = Action()
model = action.create_model()
model.to(args.device)
model.cuda()
min_loss = float('inf')
learnable_params = filter(lambda p: p.requires_grad, model.parameters())
if args.optimizer == 'adam': optimizer = torch.optim.Adam(learnable_params)
else: optimizer = torch.optim.SGD(learnable_params, lr=0.1)
templates = helper.loadData(args.data_dict)
poses = helper.read_poses(args.data_dict, args.train_poses)
eval_poses = helper.read_poses(args.data_dict, args.eval_poses)
print(templates.shape, poses.shape, eval_poses.shape)
for epoch in range(args.max_epoch):
log_string("############## EPOCH: %0.4d ##############" % epoch)
train_loss = action.train_one_epoch(model, poses, templates, optimizer)
eval_loss = action.eval_one_epoch(model, eval_poses, templates)
log_string("Training Loss: {} and Evaluation Loss: {}".format(
train_loss, eval_loss))
is_best = eval_loss < min_loss
snap = {
'epoch': epoch + 1,
'model': model.state_dict(),
'min_loss': min_loss,
'optimizer': optimizer.state_dict()
}
if is_best:
save_checkpoint(snap, os.path.join(LOG_DIR, 'model'), 'snap_best')
save_checkpoint(model.state_dict(), os.path.join(LOG_DIR, 'model'),
'model_best')
log_string("Best Evaluation Loss: {}".format(eval_loss))
save_checkpoint(snap, os.path.join(LOG_DIR, 'model'), 'snap_last')
save_checkpoint(model.state_dict(), os.path.join(LOG_DIR, 'model'),
'model_last')
def train():
with tf.Graph().as_default():
with tf.device('/cpu:0'):
batch = tf.Variable(0) # That tells the optimizer to helpfully increment the 'batch' parameter for you every time it trains.
with tf.device('/gpu:'+str(GPU_INDEX)):
is_training_pl = tf.placeholder(tf.bool, shape=()) # Flag for dropouts.
bn_decay = get_bn_decay(batch) # Calculate BN decay.
learning_rate = get_learning_rate(batch) # Calculate Learning Rate at each step.
# Define a network to backpropagate the using final pose prediction.
with tf.variable_scope('Network') as _:
# Get the placeholders.
source_pointclouds_pl, template_pointclouds_pl = MODEL.placeholder_inputs(BATCH_SIZE, NUM_POINT)
# Extract Features.
source_global_feature, template_global_feature = MODEL.get_model(source_pointclouds_pl, template_pointclouds_pl, is_training_pl, bn_decay=bn_decay,PN=POINTNET,POOL=FLAGS.pn_pool,out_features=out_features)
# Find the predicted transformation.
predicted_transformation = MODEL.get_pose(source_global_feature,template_global_feature,is_training_pl, bn_decay=bn_decay,lim_rot=FLAGS.lim_rot)
# Find the loss using source and transformed template point cloud.
# loss = MODEL.get_loss(predicted_transformation, BATCH_SIZE, template_pointclouds_pl, source_pointclouds_pl)
loss = 0
with tf.device('/cpu:0'):
# Add ops to save and restore all the variables.
saver = tf.train.Saver()
# Create a session
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
config.log_device_placement = False
sess = tf.Session(config=config)
# Init variables
init = tf.global_variables_initializer()
sess.run(init, {is_training_pl: True})
saver.restore(sess, FLAGS.model_path)
# Create a dictionary to pass the tensors and placeholders in train and eval function for Network.
ops = {'source_pointclouds_pl': source_pointclouds_pl,
'template_pointclouds_pl': template_pointclouds_pl,
'is_training_pl': is_training_pl,
'predicted_transformation': predicted_transformation,
'loss': loss,
'step': batch}
templates = helper.loadData(FLAGS.data_dict)
# pairs = helper.read_pairs(FLAGS.data_dict, FLAGS.pairs_file)
eval_poses = helper.read_poses(FLAGS.data_dict, FLAGS.eval_poses) # Read all the poses data for evaluation.
eval_network(sess, ops, templates, eval_poses)
def train():
with tf.Graph().as_default():
with tf.device('/cpu:0'):
batch = tf.Variable(0) # That tells the optimizer to helpfully increment the 'batch' parameter for you every time it trains.
with tf.device('/gpu:'+str(GPU_INDEX)):
is_training_pl = tf.placeholder(tf.bool, shape=()) # Flag for dropouts.
learning_rate = get_learning_rate(batch) # Calculate Learning Rate at each step.
# Define a network to backpropagate the using final pose prediction.
with tf.variable_scope('Network') as _:
# Get the placeholders.
source_pointclouds_pl, template_pointclouds_pl, transformation_pl, gt_transformation_pl = MODEL.placeholder_inputs(BATCH_SIZE, NUM_VOXEL)
# Extract Features.
source_global_feature, template_global_feature = MODEL.get_model(source_pointclouds_pl, template_pointclouds_pl, is_training_pl, bn_decay=None)
# Find the predicted transformation.
predicted_transformation = MODEL.get_pose(source_global_feature,template_global_feature,is_training_pl, bn_decay=None)
# Find the loss using source and transformed template point cloud.
loss = MODEL.get_loss_v1(predicted_transformation, transformation_pl, gt_transformation_pl, BATCH_SIZE)
# Add the loss in tensorboard.
# Get training optimization algorithm.
if OPTIMIZER == 'momentum':
optimizer = tf.train.MomentumOptimizer(learning_rate, momentum=MOMENTUM)
elif OPTIMIZER == 'adam':
optimizer = tf.train.AdamOptimizer(learning_rate)
train_op = optimizer.minimize(loss, global_step=batch)
with tf.device('/cpu:0'):
# Add ops to save and restore all the variables.
saver = tf.train.Saver()
tf.summary.scalar('loss', loss)
tf.summary.scalar('learning_rate', learning_rate)
# Create a session
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
config.log_device_placement = False
sess = tf.Session(config=config)
# Add summary writers
merged = tf.summary.merge_all()
if FLAGS.mode == 'train': # Create summary writers only for train mode.
train_writer = tf.summary.FileWriter(os.path.join(LOG_DIR, 'train'),
sess.graph)
eval_writer = tf.summary.FileWriter(os.path.join(LOG_DIR, 'eval'))
# Init variables
init = tf.global_variables_initializer()
sess.run(init, {is_training_pl: True})
# Just to initialize weights with pretrained model.
if FLAGS.use_pretrained_model:
saver.restore(sess,os.path.join('log_512pts_1024feat_6itr_180deg_random_poses','model250.ckpt'))
# Create a dictionary to pass the tensors and placeholders in train and eval function for Network.
ops = {'source_pointclouds_pl': source_pointclouds_pl,
'template_pointclouds_pl': template_pointclouds_pl,
'transformation_pl': transformation_pl,
'gt_transformation_pl': gt_transformation_pl,
'is_training_pl': is_training_pl,
'predicted_transformation': predicted_transformation,
'loss': loss,
'train_op': train_op,
'merged': merged,
'step': batch}
templates = helper.loadData(FLAGS.data_dict)
poses = helper.read_poses(FLAGS.data_dict, TRAIN_POSES) # Read all the poses data for training.
eval_poses = helper.read_poses(FLAGS.data_dict, EVAL_POSES) # Read all the poses data for evaluation.
if FLAGS.mode == 'train':
# For actual training.
for epoch in range(MAX_EPOCH):
log_string('**** EPOCH %03d ****' % (epoch))
sys.stdout.flush()
# Train for all triaining poses.
train_one_epoch(sess, ops, train_writer, templates, poses)
save_path = saver.save(sess, os.path.join(LOG_DIR, FLAGS.results+".ckpt"))
if epoch % 10 == 0:
# Evaluate the trained network after 50 epochs.
eval_one_epoch(sess, ops, eval_writer, templates, eval_poses)
# Save the variables to disk.
if epoch % 50 == 0:
# Store the Trained weights in log directory.
save_path = saver.save(sess, os.path.join(LOG_DIR, "models", "model"+str(epoch)+".ckpt"))
log_string("Model saved in file: %s" % save_path)
def run():
NUM_POINT = FLAGS.num_point
if not use_noise_data:
templates = helper.loadData(FLAGS.data_dict)
pairs = helper.read_pairs(FLAGS.data_dict, FLAGS.pairs_file)
else:
templates, sources = helper.read_noise_data(FLAGS.data_dict)
# templates = helper.loadData(FLAGS.data_dict)
eval_poses = helper.read_poses(
FLAGS.data_dict,
FLAGS.eval_poses) # Read all the poses data for evaluation.
eval_poses = eval_poses[0:1, :]
num_batches = eval_poses.shape[0]
TIME, ITR, Trans_Err, Rot_Err = [], [], [], []
idxs_5_5, idxs_10_1, idxs_20_2 = [], [], []
counter = 0
for fn, gt_pose in enumerate(eval_poses):
if fn > 0:
break
if not use_noise_data:
# template_idx = pairs[fn,1]
template_idx = 0
M_given = templates[template_idx, :, :]
S_given = helper.apply_transformation(M_given.reshape((1, -1, 3)),
gt_pose.reshape((1, 6)))[0]
else:
M_given = templates[fn, :, :]
S_given = sources[fn, :, :]
# M_given = np.loadtxt('template_car_itr.txt')
# S_given = np.loadtxt('source_car_itr.txt')
# helper.display_clouds_data(M_given)
# helper.display_clouds_data(S_given)
# To generate point cloud for Xueqian: For CAD model figures
# gt_pose = np.array([[0.5,0.2,0.4,40*(np.pi/180),20*(np.pi/180),30*(np.pi/180)]])
# templates = helper.loadData('unseen_data')
# gt_pose = np.array([[-0.3,-0.7,0.4,-34*(np.pi/180),31*(np.pi/180),-27*(np.pi/180)]])
# gt_pose = np.array([[0.5929,-0.0643,-0.961,0.4638,-0.3767,-0.6253]])
# M_given = templates[48,:,:]
# S_given = helper.apply_transformation(M_given.reshape(1,-1,3),gt_pose)
# S_given = helper.add_noise(S_given)
# S_given = S_given[0]
M_given = M_given[0:NUM_POINT, :] # template data
S_given = S_given[0:NUM_POINT, :] # source data
tree_M = KDTree(M_given)
tree_M_sampled = KDTree(M_given[0:100, :])
final_pose, model_data, sensor_data, predicted_data, _, time_elapsed, itr = icp.icp_test(
S_given[0:100, :], M_given,
tree_M, M_given[0:100, :], tree_M_sampled, S_given,
gt_pose.reshape((1, 6)), 100, FLAGS.threshold)
translation_error, rotational_error = find_errors(
gt_pose[0], final_pose[0])
print(translation_error, rotational_error)
TIME.append(time_elapsed)
ITR.append(itr)
Trans_Err.append(translation_error)
Rot_Err.append(rotational_error)
if rotational_error < 20 and translation_error < 0.2:
if rotational_error < 10 and translation_error < 0.1:
if rotational_error < 5 and translation_error < 0.05:
idxs_5_5.append(fn)
idxs_10_1.append(fn)
idxs_20_2.append(fn)
print('Batch: {}, Iterations: {}, Time: {}'.format(
counter, itr, time_elapsed))
# counter += 1
# helper.display_three_clouds(M_given, S_given, predicted_data, "")
# np.savetxt('template_piano.txt',M_given)
# np.savetxt('source_piano.txt',S_given)
# np.savetxt('predicted_piano.txt',predicted_data)
log = {
'TIME': TIME,
'ITR': ITR,
'Trans_Err': Trans_Err,
'Rot_Err': Rot_Err,
'idxs_5_5': idxs_5_5,
'idxs_10_1': idxs_10_1,
'idxs_20_2': idxs_20_2,
'num_batches': num_batches
}
helper.log_test_results(FLAGS.log_dir, FLAGS.filename, log)
def train():
graph = tf.Graph()
with graph.as_default():
with tf.device('/cpu:0'):
batch = tf.Variable(
0
) # That tells the optimizer to helpfully increment the 'batch' parameter for you every time it trains.
with tf.device('/gpu:' + str(GPU_INDEX)):
is_training_pl = tf.placeholder(tf.bool,
shape=()) # Flag for dropouts.
learning_rate = get_learning_rate(
batch) # Calculate Learning Rate at each step.
# Define a network to backpropagate the using final pose prediction.
with tf.variable_scope('Network') as _:
# Get the placeholders.
source_pointclouds_pl, template_pointclouds_pl = MODEL.placeholder_inputs(
BATCH_SIZE, NUM_POINT)
# Extract Features.
source_global_feature, template_global_feature = MODEL.get_model(
source_pointclouds_pl,
template_pointclouds_pl,
is_training_pl,
bn_decay=None,
PN=POINTNET,
POOL=FLAGS.pn_pool,
out_features=out_features)
# Find the predicted transformation.
predicted_transformation = MODEL.get_pose(
source_global_feature,
template_global_feature,
is_training_pl,
bn_decay=None,
lim_rot=FLAGS.lim_rot)
# Find the loss using source and transformed template point cloud.
# loss = MODEL.get_loss(predicted_transformation, BATCH_SIZE, template_pointclouds_pl, source_pointclouds_pl)
# Add the loss in tensorboard.
# loss - ours:
batch_size = BATCH_SIZE
predicted_position = tf.slice(predicted_transformation, [0, 0],
[batch_size, 3])
predicted_quat = tf.slice(predicted_transformation, [0, 3],
[batch_size, 4])
norm_predicted_quat = tf.reduce_sum(tf.square(predicted_quat), 1)
norm_predicted_quat = tf.sqrt(norm_predicted_quat)
norm_predicted_quat = tf.reshape(norm_predicted_quat,
(batch_size, 1))
const = tf.constant(0.0000001,
shape=(batch_size, 1),
dtype=tf.float32)
norm_predicted_quat = tf.add(norm_predicted_quat, const)
predicted_norm_quat = tf.divide(predicted_quat,
norm_predicted_quat)
transformed_predicted_point_cloud = helper.transformation_quat_tensor(
source_pointclouds_pl, predicted_norm_quat, predicted_position)
is_training_pl_1 = tf.placeholder(tf.bool,
shape=()) # flag for batch norm
# load our model as loss function:
saver31 = tf.train.import_meta_graph(
os.path.join(LOG_DIR, 'model.ckpt.meta'),
import_scope='g1',
input_map={
'input1': transformed_predicted_point_cloud,
'input2': template_pointclouds_pl,
'Placeholder': is_training_pl_1
},
clear_devices=True)
labels12 = graph.get_tensor_by_name('g1/labels12:0')
if ADD_NOISE_MODEL:
add_noise = graph.get_tensor_by_name('g1/add_noise:0')
# set optimizer:
if OPTIMIZER == 'momentum':
optimizer3 = tf.train.MomentumOptimizer(learning_rate,
momentum=MOMENTUM)
elif OPTIMIZER == 'adam':
optimizer3 = tf.train.AdamOptimizer(learning_rate,
name='Adam2')
# optimizer only on g2 variables.
# get loss:
# pred_AB3 = (graph.get_tensor_by_name('g1/pc_compare/output1:0') + 1) / 2.0
# pred_BA3 = (graph.get_tensor_by_name('g1/pc_compare/output2:0') + 1) / 2.0
pred_AB3 = (graph.get_tensor_by_name('g1/pc_compare/output1:0'))
pred_BA3 = (graph.get_tensor_by_name('g1/pc_compare/output2:0'))
loss = (tf.reduce_mean(pred_AB3[:, :, :, 0]) +
tf.reduce_mean(pred_BA3[:, :, :, 0])) / 2.0
loss_c = chmafer_dist(transformed_predicted_point_cloud,
template_pointclouds_pl)
train_vars = tf.get_collection(tf.GraphKeys.TRAINABLE_VARIABLES,
scope='Network')
grads = optimizer3.compute_gradients(loss, train_vars)
train_op = optimizer3.apply_gradients(grads, global_step=batch)
# train_op = optimizer.minimize(loss, global_step=batch)
with tf.device('/cpu:0'):
# Add ops to save and restore all the variables.
saver = tf.train.Saver()
sum_lr = tf.summary.scalar('learning_rate', learning_rate)
sum_loss = tf.summary.scalar('loss', loss)
chamfer_loss = tf.summary.scalar('loss_chamfer', loss_c)
# Create a session
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
config.log_device_placement = False
sess = tf.Session(config=config)
# Add summary writers
# merged = tf.summary.merge_all()
merged = tf.summary.merge([sum_loss, sum_lr, chamfer_loss])
if FLAGS.mode == 'train': # Create summary writers only for train mode.
train_writer = tf.summary.FileWriter(
os.path.join(LOG_DIR, 'train'), sess.graph)
eval_writer = tf.summary.FileWriter(os.path.join(LOG_DIR, 'eval'))
# Init variables
init = tf.global_variables_initializer()
# sess.run(init, {is_training_pl: True})
MODEL_PATH1 = os.path.join(LOG_DIR, 'model.ckpt')
saver31.restore(sess, MODEL_PATH1)
initialize_uninitialized_vars(sess)
print('models restored')
# Just to initialize weights with pretrained model.
if FLAGS.use_pretrained_model:
saver.restore(
sess,
os.path.join('log_512pts_1024feat_6itr_180deg_random_poses',
'model250.ckpt'))
if ADD_NOISE_MODEL:
# Create a dictionary to pass the tensors and placeholders in train and eval function for Network.
ops = {
'source_pointclouds_pl': source_pointclouds_pl,
'template_pointclouds_pl': template_pointclouds_pl,
'is_training_pl': is_training_pl,
'predicted_transformation': predicted_transformation,
'loss': loss,
'train_op': train_op,
'merged': merged,
'step': batch,
'labels12': labels12,
'is_training_pl_1': is_training_pl_1,
'add_noise': add_noise
}
else:
# Create a dictionary to pass the tensors and placeholders in train and eval function for Network.
ops = {
'source_pointclouds_pl': source_pointclouds_pl,
'template_pointclouds_pl': template_pointclouds_pl,
'is_training_pl': is_training_pl,
'predicted_transformation': predicted_transformation,
'loss': loss,
'train_op': train_op,
'merged': merged,
'step': batch,
'labels12': labels12,
'is_training_pl_1': is_training_pl_1
}
templates = helper.loadData(FLAGS.data_dict)
poses = helper.read_poses(
FLAGS.data_dict,
TRAIN_POSES) # Read all the poses data for training.
eval_poses = helper.read_poses(
FLAGS.data_dict,
EVAL_POSES) # Read all the poses data for evaluation.
if FLAGS.mode == 'train':
print_('Training Started!', color='r', style='bold')
# For actual training.
for epoch in range(MAX_EPOCH):
log_string('**** EPOCH %03d ****' % (epoch))
sys.stdout.flush()
# Train for all triaining poses.
train_one_epoch(sess, ops, train_writer, templates, poses)
save_path = saver.save(
sess, os.path.join(LOG_DIR, FLAGS.results + ".ckpt"))
if epoch % 10 == 0:
# Evaluate the trained network after 50 epochs.
eval_one_epoch(sess, ops, eval_writer, templates,
eval_poses)
# Save the variables to disk.
if epoch % 50 == 0:
# Store the Trained weights in log directory.
save_path = saver.save(
sess,
os.path.join(LOG_DIR, "models",
"model" + str(epoch) + ".ckpt"))
log_string("Model saved in file: %s" % save_path)
print_('Training Successful!!', color='r', style='bold')
def train():
with tf.Graph().as_default():
with tf.device('/cpu:0'):
batch = tf.Variable(
0
) # That tells the optimizer to helpfully increment the 'batch' parameter for you every time it trains.
with tf.device('/gpu:' + str(GPU_INDEX)):
is_training_pl = tf.placeholder(tf.bool,
shape=()) # Flag for dropouts.
learning_rate = get_learning_rate(
batch) # Calculate Learning Rate at each step.
# Define a network to backpropagate the using final pose prediction.
with tf.variable_scope('Network_L') as _:
# Object of network class.
network_L = MODEL.Network()
# Get the placeholders.
source_pointclouds_pl_L, template_pointclouds_pl_L = network_L.placeholder_inputs(
BATCH_SIZE, NUM_POINT)
# Extract Features.
source_global_feature_L, template_global_feature_L = network_L.get_model(
source_pointclouds_pl_L,
template_pointclouds_pl_L,
FLAGS.feature_size,
is_training_pl,
bn_decay=None)
# Find the predicted transformation.
predicted_transformation_L = network_L.get_pose(
source_global_feature_L,
template_global_feature_L,
is_training_pl,
bn_decay=None)
loss = 0
with tf.device('/cpu:0'):
# Add ops to save and restore all the variables.
saver = tf.train.Saver()
# Create a session
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
config.log_device_placement = False
sess = tf.Session(config=config)
# Init variables
init = tf.global_variables_initializer()
sess.run(init, {is_training_pl: True})
# Just to initialize weights with pretrained model.
saver.restore(sess, FLAGS.model_path)
# Create a dictionary to pass the tensors and placeholders in train and eval function for Network_L.
ops_L = {
'source_pointclouds_pl': source_pointclouds_pl_L,
'template_pointclouds_pl': template_pointclouds_pl_L,
'is_training_pl': is_training_pl,
'predicted_transformation': predicted_transformation_L,
'loss': loss,
'step': batch
}
#templates = helper.process_templates(FLAGS.data_dict) # Read all the templates.
templates = helper.loadData(FLAGS.data_dict)
eval_poses = helper.read_poses(
FLAGS.data_dict,
FLAGS.eval_poses) # Read all the poses data for evaluation.
eval_poses = eval_poses[0:10, :]
eval_network(sess, ops_L, templates, eval_poses)
