def get_model(args):
model = Classifier(arch=args.arch,
ckpt=args.checkpoint,
pool_type=args.pool_type,
norm_type=args.norm_type)
if args.pretrained:
if args.pretrain_info is None or len(args.pretrain_info) != 2:
raise ValueError("Invalid pretraining info.")
save_folder, save_id = args.pretrain_info
if isinstance(save_id, int):
save_path = os.path.join("./saves", save_folder,
f"save_{save_id:03d}.pth")
else:
save_path = os.path.join("./saves", save_folder,
f"save_{save_id}.pth")
state_dict = torch.load(save_path)
if "module." in list(state_dict.keys())[0]:
temp_state = OrderedDict()
for k, v in state_dict.items():
temp_state[k.split("module.")[-1]] = v
state_dict = temp_state
model.load_state_dict(state_dict)
return model
def reset_models():
feature_mapper = FeatureMapper()
rpn = Rpn()
classifier = Classifier()
regr = Regr()
random_image = tf.convert_to_tensor(np.random.random(
(1, image_size, image_size, 3)),
dtype=np.float32)
random_features = tf.convert_to_tensor(np.random.random(
(1, feature_size, feature_size, 12)),
dtype=np.float32)
random_feature_areas = [
tf.convert_to_tensor(np.random.random(
(1, anchor_size, anchor_size, 12)),
dtype=np.float32)
]
_ = feature_mapper(random_image)
_ = rpn(random_features)
_ = classifier(random_feature_areas)
_ = regr(random_feature_areas)
feature_mapper.save_weights("./weights/feature_mapper")
rpn.save_weights("./weights/rpn")
classifier.save_weights("./weights/classifier")
regr.save_weights("./weights/regr")
def test_classify(self):
model_name = '../models/glove_wiki/glove_model_40.pth'
output_file = 'test/test_data/glove_classify_model.pkl'
compare_output_file = 'glove_classify_model.pkl'
classifier = Classifier(model_name=model_name)
classifier.classify()
assert True is filecmp.cmp(output_file, compare_output_file)
def init_fn(self, shared_model=None, **kwargs):
if self.options.model.name == "pixel2mesh":
# Visualization renderer
self.renderer = MeshRenderer(self.options.dataset.camera_f, self.options.dataset.camera_c,
self.options.dataset.mesh_pos)
# create ellipsoid
self.ellipsoid = Ellipsoid(self.options.dataset.mesh_pos)
else:
self.renderer = None
if shared_model is not None:
self.model = shared_model
else:
if self.options.model.name == "pixel2mesh":
# create model
self.model = P2MModel(self.options.model, self.ellipsoid,
self.options.dataset.camera_f, self.options.dataset.camera_c,
self.options.dataset.mesh_pos)
elif self.options.model.name == "classifier":
self.model = Classifier(self.options.model, self.options.dataset.num_classes)
else:
raise NotImplementedError("Your model is not found")
self.model = torch.nn.DataParallel(self.model, device_ids=self.gpus).cuda()
# Setup a joint optimizer for the 2 models
if self.options.optim.name == "adam":
self.optimizer = torch.optim.Adam(
params=list(self.model.parameters()),
lr=self.options.optim.lr,
betas=(self.options.optim.adam_beta1, 0.999),
weight_decay=self.options.optim.wd
)
elif self.options.optim.name == "sgd":
self.optimizer = torch.optim.SGD(
params=list(self.model.parameters()),
lr=self.options.optim.lr,
momentum=self.options.optim.sgd_momentum,
weight_decay=self.options.optim.wd
)
else:
raise NotImplementedError("Your optimizer is not found")
self.lr_scheduler = torch.optim.lr_scheduler.MultiStepLR(
self.optimizer, self.options.optim.lr_step, self.options.optim.lr_factor
)
# Create loss functions
if self.options.model.name == "pixel2mesh":
self.criterion = P2MLoss(self.options.loss, self.ellipsoid).cuda()
elif self.options.model.name == "classifier":
self.criterion = CrossEntropyLoss()
else:
raise NotImplementedError("Your loss is not found")
# Create AverageMeters for losses
self.losses = AverageMeter()
# Evaluators
self.evaluators = [Evaluator(self.options, self.logger, self.summary_writer, shared_model=self.model)]
def define_C(gpu_ids=[]):
use_gpu = len(gpu_ids) > 0
if use_gpu:
assert (torch.cuda.is_available())
netC = Classifier()
if use_gpu:
netC.cuda(device=gpu_ids[0])
#netC.apply(weights_init)
return netC
def main():
config = get_config()
loader = Dataload()
train, label_train, test, label_test = loader.class_train_test(path_feat_data=config.feat_path,
batch_size=config.batch_size,
shuffle=True)
model = Classifier(batch_size=config.batch_size)
trainer = TrainerClass(model, model_dir=config.model_dir, log_dir=config.log_dir)
trainer.train(list(zip(train, label_train)), lr=config.lr, n_epoch=config.epochs)
model.eval()
trainer.test((test, label_test))
def get_modules(opt):
modules = {}
disc = Discriminator()
gen = Generator()
clf = Classifier()
if opt.cuda:
disc = disc.cuda()
gen = gen.cuda()
clf = clf.cuda()
modules['Discriminator'] = disc
modules['Generator'] = gen
modules['Classifier'] = clf
return modules
def define_C(gpu_ids=[]):
"""
gender preserving classifier
:param gpu_ids:
:return:
"""
use_gpu = len(gpu_ids) > 0
if use_gpu:
assert (torch.cuda.is_available())
netC = Classifier()
if use_gpu:
netC.cuda(device=gpu_ids[0])
# netC.apply(weights_init)
return netC
def build_model_and_trainer(config, data_loader):
if config.model.type == 'classifier':
model_builder = Classifier(config)
model, parallel_model = WithLoadWeights(model_builder, model_name='classifier') \
.build_model(model_name='classifier')
trainer = ClassifierTrainer(model, parallel_model, data_loader, config)
return model, trainer
elif config.model.type == 'dcgan':
g_model_builder = Generator(config)
d_model_builder = Discriminator(config)
# c_model_builder = Classifier(config)
g = g_model_builder.define_model('generator')
d, parallel_d = d_model_builder.build_model('discriminator')
# c, _ = c_model_builder.build_model('classifier')
# Load weights to classifier
# checkpoint_path = './experiments/classifier_mnist/checkpoints/0050-classifier.hdf5'
# if os.path.exists(checkpoint_path):
# c.load_weights(checkpoint_path)
combined_model_builder = GANCombined(config)
combined, parallel_combined = WithLoadWeights(combined_model_builder, model_name='combined') \
.build_model(g=g, d=d, model_name='combined')
# .build_model(g=g, d=d, c=c, model_name='combined')
# trainer = GANTrainer(data_loader, config, g, d, parallel_d, c, combined, parallel_combined)
trainer = GANTrainer(data_loader, config, g, d, parallel_d, combined,
parallel_combined)
return combined, trainer
def train():
model = Classifier()
saver = tf.train.Saver()
optimizer = tf.train.AdamOptimizer(learning_rate)
train_step = optimizer.minimize(model.loss)
with tf.Session() as sess:
train_writer = tf.summary.FileWriter(join(log_dir, 'train'), sess.graph)
test_writer = tf.summary.FileWriter(join(log_dir, 'test'), sess.graph)
sess.run(tf.global_variables_initializer())
for i in trange(n_iters):
x, y, = mnist.train.next_batch(batch_size)
_, summary = sess.run([train_step, model.summary], feed_dict={
model.x: x,
model.y: y,
model.keep_prob: 0.5,
})
train_writer.add_summary(summary, i)
if i % 500 == 0:
summary = sess.run(model.summary, feed_dict={
model.x: mnist.test.images[:6000],
model.y: mnist.test.labels[:6000],
model.keep_prob: 1.0,
})
test_writer.add_summary(summary, i)
print('Training complete, model saved at:', saver.save(sess, model_path))
def transfer_classifier_params(args):
pytorch_model = TorchClassifier()
with open(args.torch_classifier_model_path, 'rb') as f:
weights = dill.load(f)
state_dict = {k: torch.FloatTensor(v) for k, v in weights[0].items()}
pytorch_model.load_state_dict(state_dict)
for k in state_dict.keys():
print('key: ', k)
chainer_model = Classifier()
copy_conv_weight(pytorch_model.LeNet[0], chainer_model.conv1)
copy_conv_weight(pytorch_model.LeNet[2], chainer_model.conv2)
copy_batch_norm_weight(pytorch_model.LeNet[3], chainer_model.batch_norm1)
copy_conv_weight(pytorch_model.LeNet[5], chainer_model.conv3)
copy_batch_norm_weight(pytorch_model.LeNet[6], chainer_model.batch_norm2)
copy_conv_weight(pytorch_model.LeNet[8], chainer_model.conv4)
copy_batch_norm_weight(pytorch_model.LeNet[9], chainer_model.batch_norm3)
copy_conv_weight(pytorch_model.LeNet[11], chainer_model.conv5)
if args.sample_image:
subtractor = Subtractor()
load_model(args.chainer_subtractor_model_path, subtractor)
image1 = convert_to_grayscale(subtractor, args.sample_image).data
image2 = np.zeros(shape=image1.shape, dtype=np.float32)
print('image1 shape: ', image1.shape)
print('image2 shape: ', image2.shape)
classify_image_with_pytorch_model(pytorch_model, torch.Tensor(image1), torch.Tensor(image2))
classify_image_with_chainer_model(chainer_model, chainer.Variable(image1), chainer.Variable(image2))
save_model(args.chainer_classifier_save_path, chainer_model)
def test_classify_predict(self):
self.test_data_loader = DataLoader()
self.test_japanese_wiki_data = 'test/test_data/jawiki_test.txt'
test_word2index, test_index2word, test_window_data, \
test_X_ik, test_weightinhg_dict = self.test_data_loader.load_data(file_name=self.test_japanese_wiki_data) # noqa
model_name = '../models/glove_wiki/glove_model_40.pth'
output_file = 'test/test_data/glove_classify_model.pkl'
classifier = Classifier(model_name=model_name)
print(test_word2index)
classes = classifier.classify_predict(word='の',
classify_model_name=output_file,
word2index=test_word2index)
assert 2 == classes
classes = classifier.classify_predict(word='どうよ?',
classify_model_name=output_file,
word2index=test_word2index)
assert 9999 == classes
def define_classifier(args, config, device):
# -import required model
from models.classifier import Classifier
# -create model
if (hasattr(args, "depth") and args.depth > 0):
model = Classifier(
image_size=config['size'],
image_channels=config['channels'],
classes=config['classes'],
# -conv-layers
conv_type=args.conv_type,
depth=args.depth,
start_channels=args.channels,
reducing_layers=args.rl,
num_blocks=args.n_blocks,
conv_bn=True if args.conv_bn == "yes" else False,
conv_nl=args.conv_nl,
global_pooling=checkattr(args, 'gp'),
# -fc-layers
fc_layers=args.fc_lay,
fc_units=args.fc_units,
h_dim=args.h_dim,
fc_drop=args.fc_drop,
fc_bn=True if args.fc_bn == "yes" else False,
fc_nl=args.fc_nl,
excit_buffer=True,
# -training related parameters
AGEM=utils.checkattr(args, 'agem')).to(device)
else:
model = Classifier(
image_size=config['size'],
image_channels=config['channels'],
classes=config['classes'],
# -fc-layers
fc_layers=args.fc_lay,
fc_units=args.fc_units,
h_dim=args.h_dim,
fc_drop=args.fc_drop,
fc_bn=True if args.fc_bn == "yes" else False,
fc_nl=args.fc_nl,
excit_buffer=True,
# -training related parameters
AGEM=utils.checkattr(args, 'agem')).to(device)
# -return model
return model
def __get_model(self):
if self.config["use_cae"] and self.config["use_cnn"]:
return Classifier(self.config)
elif self.config["use_cnn"]:
return CNN(self.config)
elif self.config["use_cae"]:
return ConvolutionalAutoEncoder(self.config)
else:
assert False, "At least one model should be specified."
def inception_score(path_to_generated_imgs_dir,
path_to_generated_imgs_dir_cache, downsample_scale,
path_to_classifier, classifier_dimensionality,
cuda_enabled, batch_size, splits):
# Set up data
generated_brainpedia = Brainpedia(
data_dirs=[path_to_generated_imgs_dir],
cache_dir=path_to_generated_imgs_dir_cache,
scale=downsample_scale,
multi_tag_label_encoding=MULTI_TAG_LABEL_ENCODING)
generated_brain_data_shape, generated_brain_data_tag_shape = generated_brainpedia.sample_shapes(
)
all_generated_brain_data, all_generated_brain_data_tags = generated_brainpedia.all_data(
)
all_generated_brain_data = Variable(torch.Tensor(all_generated_brain_data))
if cuda_enabled:
all_generated_brain_data = all_generated_brain_data.cuda()
# Load classifier model
classifier = Classifier(dimensionality=classifier_dimensionality,
num_classes=generated_brain_data_tag_shape[0],
cudaEnabled=cuda_enabled)
classifier.load_state_dict(torch.load(path_to_classifier))
# Compute predictions
predictions = classifier.forward(
all_generated_brain_data).data.cpu().numpy()
# Now compute the mean kl-div
N = len(all_generated_brain_data)
split_scores = []
for k in range(splits):
part = predictions[k * (N // splits):(k + 1) * (N // splits), :]
py = np.mean(part, axis=0)
scores = []
for i in range(part.shape[0]):
pyx = part[i, :]
scores.append(entropy(pyx, py))
split_scores.append(np.exp(np.mean(scores)))
return np.mean(split_scores), np.std(split_scores)
def __init__(self,
min_score: float = .2, min_dist: float = .64, max_lost: int = 120,
use_tracking: bool = True, use_refind: bool = True):
self.min_score = min_score
self.min_dist = min_dist
self.max_lost = max_lost
self.use_tracking = use_tracking
self.use_refind = use_refind
self.tracked = []
self.lost = []
self.removed = []
self.motion = KalmanFilter()
self.identifier = Identifier().load()
self.classifier = Classifier().load()
self.frame = 0
def __init__(self, args, nclass): super(Model, self).__init__() self.nclass = nclass if args.dataset == 'embedding': self.backbone = Classifier(self.nclass) elif 'xor_resnet' in args.arch: self.backbone = XORS[args.arch](pretrained=args.pretrained) final_feature = self.backbone.fc.in_features self.backbone.fc = nn.Linear(final_feature, self.nclass) else: self.backbone = models.__dict__[args.arch](pretrained=args.pretrained) final_feature = self.backbone.fc.in_features self.backbone.fc = nn.Linear(final_feature, self.nclass)
def init_fn(self, shared_model=None, **kwargs):
if self.options.model.name == "pixel2mesh":
# Renderer for visualization
self.renderer = MeshRenderer(self.options.dataset.camera_f,
self.options.dataset.camera_c,
self.options.dataset.mesh_pos)
# Initialize distance module
self.chamfer = ChamferDist()
# create ellipsoid
self.ellipsoid = Ellipsoid(self.options.dataset.mesh_pos)
# use weighted mean evaluation metrics or not
self.weighted_mean = self.options.test.weighted_mean
else:
self.renderer = None
self.num_classes = self.options.dataset.num_classes
if shared_model is not None:
self.model = shared_model
else:
if self.options.model.name == "pixel2mesh":
# create model
self.model = P2MModel(self.options.model, self.ellipsoid,
self.options.dataset.camera_f,
self.options.dataset.camera_c,
self.options.dataset.mesh_pos)
elif self.options.model.name == "classifier":
self.model = Classifier(self.options.model,
self.options.dataset.num_classes)
else:
raise NotImplementedError("Your model is not found")
self.model = torch.nn.DataParallel(self.model,
device_ids=self.gpus).cuda()
# Evaluate step count, useful in summary
self.evaluate_step_count = 0
self.total_step_count = 0
def train():
feature_mapper = FeatureMapper()
rpn = Rpn()
roi_pooling = RoiPooling()
classifier = Classifier()
regr = Regr()
feature_mapper.load_weights("./weights/feature_mapper")
rpn.load_weights("./weights/rpn")
classifier.load_weights("./weights/classifier")
regr.load_weights("./weights/regr")
opt = Adam(learning_rate=5e-5)
with open("../data/data_detect_local_evaluate_10000.json") as json_file:
data = json.load(json_file)
data_index = 0
while str(data_index) in data:
raw_data = data[str(data_index)]
target, bounding_box_target = get_localization_data(raw_data)
img = get_img("../pictures/pictures_detect_local_evaluate_10000/{}.png".format(data_index))
def get_loss():
features = feature_mapper(img)
rpn_map = rpn(features)
boxes, probs = get_boxes(rpn_map)
feature_areas = roi_pooling(features, boxes)
classification_logits = classifier(feature_areas)
regression_values = regr(feature_areas)
labels_boxes = get_labels_boxes(boxes, target)
localization_loss = get_localization_loss(rpn_map, target)
regression_loss = get_regression_loss(regression_values, boxes, bounding_box_target, probs)
classification_loss = get_classification_loss(classification_logits, labels_boxes, probs)
no_regr_boxes_precision = get_boxes_precision(boxes, np.zeros(regression_values.shape), target)
final_boxes_precision = get_boxes_precision(boxes, regression_values.numpy(), target)
save_data(data_index, raw_data, boxes.tolist(), [a.numpy().tolist() for a in classification_logits], labels_boxes, no_regr_boxes_precision, final_boxes_precision, probs.tolist())
return localization_loss + classification_loss + regression_loss
opt.minimize(
get_loss,
[feature_mapper.trainable_weights, rpn.trainable_weights, classifier.trainable_weights, regr.trainable_weights],
)
data_index += 1
if (data_index % 100 == 99):
feature_mapper.save_weights("./weights/feature_mapper")
rpn.save_weights("./weights/rpn")
classifier.save_weights("./weights/classifier")
regr.save_weights("./weights/regr")
def __init__(self, dim, ndf, nclasses, ngroups, nchannels):
super(EncLSTM, self).__init__()
self.dim = dim
self.ndf = ndf
self.nclasses = nclasses
self.ngroups = ngroups
self.nchannels = nchannels
self.encoder = Encoder(self.ndf, self.ngroups, self.nchannels)
self.convlstm = ConvLSTM(input_channels=self.ndf * 8,
hidden_channels=[self.ndf * 8],
kernel_size=3,
step=5,
effective_step=[4])
self.classifier = Classifier(self.ndf * 8, self.nclasses, self.ngroups)
self.soft_attention = SoftAttention(self.ndf * 16)
def model_choice(model_name, out_channels=2):
model_name = model_name.lower()
model_dict = {'unet': UNet(out_channels),
'deeplabv3+': DeepLabV3Plus(out_channels),
'deeplabv3plus': DeepLabV3Plus(out_channels),
'fcn': FCN4x(out_channels),
'deeperlabc': DeeperLabC(out_channels),
'deeperlab': DeeperLabC(out_channels)
}
try:
model = model_dict[model_name]
except KeyError:
model = None
print('no such model, please check "model_name" in config.py')
exit(0)
classifier = Classifier(out_channels)
return model, classifier
def main():
config = get_config()
loader = Dataload()
train, label_train, test, label_test = loader.class_train_test(path_feat_data=config.feat_path,
batch_size=config.batch_size,
train_ratio=1,
shuffle=True)
ae = AE(13*3)
ae.load_state_dict(torch.load(config.ae_model_path))
ae.eval()
classifier = Classifier(13*3, num_classes=109, batch_size=50)
classifier.load_state_dict(torch.load(config.class_model_path))
classifier.eval()
trainer = TrainerClass(classifier)
unnoise_data = ae(train)
trainer.test((unnoise_data, label_train))
import numpy as np
import tensorflow as tf
from boxes import get_boxes, get_final_box
from constants import real_image_height, real_image_width, feature_size
from models.classifier import Classifier
from models.feature_mapper import FeatureMapper
from models.regr import Regr
from models.roi_pooling import RoiPooling
from models.rpn import Rpn
from models.segmentation import Segmentation
feature_mapper = FeatureMapper()
rpn = Rpn()
roi_pooling = RoiPooling()
classifier = Classifier()
regr = Regr()
segmentation = Segmentation()
feature_mapper.load_weights("./weights/feature_mapper")
rpn.load_weights("./weights/rpn")
classifier.load_weights("./weights/classifier")
regr.load_weights("./weights/regr")
segmentation.load_weights("./weights/segmentation")
def get_prediction(img):
features = feature_mapper(img)
rpn_map = rpn(features)
boxes, probs = get_boxes(rpn_map)
def main(input_args=None):
# Parse the arguments.
args = parse_arguments(input_args)
device = args.gpu
method = args.method
if args.data_name == 'suzuki':
datafile = 'data/suzuki_type_test_v2.csv'
class_num = 119
class_dict = {'M': 28, 'L': 23, 'B': 35, 'S': 10, 'A': 17}
dataset_filename = 'test_data.npz'
labels = ['Yield', 'M', 'L', 'B', 'S', 'A', 'id']
elif args.data_name == 'CN':
datafile = 'data/CN_coupling_test.csv'
class_num = 206
class_dict = {'M': 44, 'L': 47, 'B': 13, 'S': 22, 'A': 74}
dataset_filename = 'test_CN_data.npz'
labels = ['Yield', 'M', 'L', 'B', 'S', 'A', 'id']
elif args.data_name == 'Negishi':
datafile = 'data/Negishi_test.csv'
class_num = 106
class_dict = {'M': 32, 'L': 20, 'T': 8, 'S': 10, 'A': 30}
dataset_filename = 'test_Negishi_data.npz'
labels = ['Yield', 'M', 'L', 'T', 'S', 'A', 'id']
elif args.data_name == 'PKR':
datafile = 'data/PKR_test.csv'
class_num = 83
class_dict = {
'M': 18,
'L': 6,
'T': 7,
'S': 15,
'A': 11,
'G': 1,
'O': 13,
'P': 4,
'other': 1
}
dataset_filename = 'test_PKR_data.npz'
labels = [
'Yield', 'M', 'L', 'T', 'S', 'A', 'G', 'O', 'P', 'other', 'id'
]
else:
raise ValueError('Unexpected dataset name')
cache_dir = os.path.join('input', '{}_all'.format(method))
# Dataset preparation.
def postprocess_label(label_list):
return numpy.asarray(label_list, dtype=numpy.float32)
print('Preprocessing dataset...')
# Load the cached dataset.
dataset_cache_path = os.path.join(cache_dir, dataset_filename)
dataset = None
if os.path.exists(dataset_cache_path):
print('Loading cached dataset from {}.'.format(dataset_cache_path))
dataset = NumpyTupleDataset.load(dataset_cache_path)
if dataset is None:
if args.method == 'mpnn':
preprocessor = preprocess_method_dict['ggnn']()
else:
preprocessor = preprocess_method_dict[args.method]()
parser = CSVFileParser(
preprocessor,
postprocess_label=postprocess_label,
labels=labels,
smiles_col=['Reactant1', 'Reactant2', 'Product'],
label_dicts=class_dict)
dataset = parser.parse(datafile)['dataset']
# Cache the laded dataset.
if not os.path.exists(cache_dir):
os.makedirs(cache_dir)
NumpyTupleDataset.save(dataset_cache_path, dataset)
labels = dataset.get_datasets()[-2]
ids = dataset.get_datasets()[-1][:, 1].reshape(-1, 1)
yields = dataset.get_datasets()[-1][:, 0].reshape(-1, 1).astype(
'float32') # [:,0] added
dataset = NumpyTupleDataset(*(dataset.get_datasets()[:-2] + (
yields,
labels,
)))
# Load the standard scaler parameters, if necessary.
scaler = None
test = dataset
print('Predicting...')
# Set up the regressor.
model_path = os.path.join(args.in_dir, args.model_filename)
if os.path.exists(model_path):
classifier = Classifier.load_pickle(model_path, device=args.gpu)
else:
predictor = set_up_predictor(args.method, args.unit_num,
args.conv_layers, class_num)
classifier = Classifier(predictor,
lossfun=F.sigmoid_cross_entropy,
metrics_fun=F.binary_accuracy,
device=args.gpu)
if args.load_modelname:
serializers.load_npz(args.load_modelname, classifier)
scaled_predictor = ScaledGraphConvPredictor(
graph_conv=classifier.predictor.graph_conv,
mlp=classifier.predictor.mlp)
classifier.predictor = scaled_predictor
# This callback function extracts only the inputs and discards the labels.
def extract_inputs(batch, device=None):
return concat_mols(batch, device=device)[:-1]
# Predict the output labels.
# Prediction function rewrite!!!
y_pred = classifier.predict(test, converter=extract_inputs)
y_pred_max = numpy.argmax(y_pred, axis=1)
y_pred_max = y_pred_max.reshape(-1, 1)
# y_pred_idx = y_pred.argsort(axis=1) # ascending
# Extract the ground-truth labels.
t = concat_mols(test, device=-1)[-1] # device 11/14 memory issue
original_t = cuda.to_cpu(t)
t_idx = original_t.squeeze(1)
t_idx = t_idx.argsort(axis=1)
# gt_indx = numpy.where(original_t == 1)
# Construct dataframe.
df_dict = {}
for i, l in enumerate(labels[:1]):
df_dict.update({
'y_pred_{}'.format(l): y_pred_max[:, -1].tolist(), # [:,-1]
't_{}'.format(l): t_idx[:, -1].tolist(),
})
df = pandas.DataFrame(df_dict)
# Show a prediction/ground truth table with 5 random examples.
print(df.sample(5))
n_eval = 10
for target_label in range(y_pred_max.shape[1]):
label_name = labels[:1][0][target_label]
print('label_name = {}, y_pred = {}, t = {}'.format(
label_name, y_pred_max[:n_eval, target_label], t_idx[:n_eval, -1]))
# Perform the prediction.
print('Evaluating...')
test_iterator = SerialIterator(test, 16, repeat=False, shuffle=False)
eval_result = Evaluator(test_iterator,
classifier,
converter=concat_mols,
device=args.gpu)()
print('Evaluation result: ', eval_result)
with open(os.path.join(args.in_dir, 'eval_result.json'), 'w') as f:
json.dump(eval_result, f)
res_dic = {}
for i in range(len(y_pred)):
res_dic[i] = str(ids[i])
json.dump(res_dic, open(os.path.join(args.in_dir, "test_ids.json"), "w"))
pickle.dump(y_pred, open(os.path.join(args.in_dir, "pred.pkl"), "wb"))
pickle.dump(original_t, open(os.path.join(args.in_dir, "gt.pkl"), "wb"))
def cut():
text = request.json
return jsonify(Classifier().cut_from_text(text['data']))
# split cv and training data train, cv = data[:1500], data[1500:] train_total_sold, cv_total_sold = total_sold[:1500], total_sold[1500:] train_week26_stores, cv_week26_stores = week26_stores[:1500], week26_stores[1500:] train_us26 = us26[:1500] #print us26[0:10] #print data[0] #print len(train[0]) #print len(train[10]) #print len(train[100]) #print len(us26) #print total_sold[0] # classify start = time.time() preds = Classifier.preds(train, train_us26, cv, cv_week26_stores) preds = ProductPostprocess.nonnegatives(preds) print "duration: ", time.time() - start print preds[:10] print cv_total_sold[:10] # score print "score: ", score.rmsle(preds, cv_total_sold)
import torch
from models.classifier import Classifier
from options import options
options.model.backbone = "vgg16"
model = Classifier(options.model, 1000)
state_dict = torch.load("checkpoints/debug/migration/400400_000080.pt")
model.load_state_dict(state_dict["model"])
torch.save(model.nn_encoder.state_dict(), "checkpoints/debug/migration/vgg16-p2m.pth")
train_data, us26, _ = Product.data_for_units_per_store() test_data, _, week26_stores, product_ids = Product.data_for_units_per_store(data_file="/home/ubuntu/product_launch/data/test.csv", ids=True) matrix = ProductPreprocess.to_matrix(train_data) matrix = ProductPreprocess.scale(matrix) matrix = ProductPreprocess.polynomial(matrix, 2) data = matrix.tolist() # split cv and training data train_total_sold, cv_total_sold = total_sold[:1500], total_sold[1500:] train_week26_stores, cv_week26_stores = week26_stores[:1500], week26_stores[1500:] train_us26 = us26[:1500] print us26[0:10] print data[0] #print len(train[0]) #print len(train[10]) #print len(train[100]) #print len(us26) #print total_sold[0] # classify start = time.time() preds = Classifier.preds(train_data, us26, test_data, week26_stores) preds = ProductPostprocess.nonnegatives(preds) ProductPostprocess.submit(preds, product_ids) print "duration: ", time.time() - start
class Tracker(object):
def __init__(self,
min_score: float = .2, min_dist: float = .64, max_lost: int = 120,
use_tracking: bool = True, use_refind: bool = True):
self.min_score = min_score
self.min_dist = min_dist
self.max_lost = max_lost
self.use_tracking = use_tracking
self.use_refind = use_refind
self.tracked = []
self.lost = []
self.removed = []
self.motion = KalmanFilter()
self.identifier = Identifier().load()
self.classifier = Classifier().load()
self.frame = 0
def update(self, image: np.ndarray, boxes: np.ndarray, scores: np.ndarray) \
-> Iterable[trace.Trace]:
self.frame += 1
refind, lost = [], []
activated, removed = [], []
# Step 1. Prediction
for track in chain(self.tracked, self.lost):
track.predict()
# Step 2. Selection by score
if scores is None:
scores = np.ones(np.size(boxes, 0), dtype=float)
detections = list(chain(
map(lambda t: trace.Trace(*t, from_det=True), zip(boxes, scores)),
map(lambda t: trace.Trace(*t, from_det=False), zip(boxes, scores))
))
self.classifier.update(image)
detections.extend(map(lambda t: trace.Trace(t.tracking(image), t.track_score, from_det=True),
filter(lambda t: t.is_activated, chain(self.tracked, self.lost))))
rois = np.asarray(list(map(lambda t: t.to_tlbr, detections)), np.float32)
class_scores = self.classifier.predict(rois)
scores = np.concatenate([
np.ones(np.size(boxes, 0), dtype=np.float32),
np.fromiter(map(lambda t: t.score, detections[np.size(boxes, 0):]), dtype=np.float32)
]) * class_scores
# Non-maxima suppression
if len(detections) > 0:
mask = np.zeros(np.size(rois, 0), dtype=np.bool)
mask[list(nms(rois, scores.reshape(-1), threshold=.4))] = True
indices = np.zeros_like(detections, dtype=np.bool)
indices[np.where(mask & (scores >= self.min_score))] = True
detections = list(compress(detections, indices))
scores = scores[indices]
for detection, score in zip(detections, scores):
detection.score = score
predictions = list(filter(lambda t: not t.from_det, detections))
detections = list(filter(lambda t: t.from_det, detections))
# set features
features = self.identifier.extract(image, np.asarray(
list(map(lambda t: t.to_tlbr, detections)), dtype=np.float32)
)
for idx, detection in enumerate(detections):
detection.feature = features[idx]
# Step3. Association for tracked
# matching for tracked target
unconfirmed = list(filter(lambda t: not t.is_activated, self.tracked))
tracked = list(filter(lambda t: t.is_activated, self.tracked))
distance = matching.nearest_distance(tracked, detections, metric='euclidean')
cost = matching.gate_cost(self.motion, distance, tracked, detections)
matches, u_track, u_detection = matching.assignment(cost, threshold=self.min_dist)
for track, det in matches:
tracked[track].update(self.frame, image, detections[det])
# matching for missing targets
detections = list(map(lambda u: detections[u], u_detection))
distance = matching.nearest_distance(self.lost, detections, metric='euclidean')
cost = matching.gate_cost(self.motion, distance, self.lost, detections)
matches, u_lost, u_detection = matching.assignment(cost, threshold=self.min_dist)
for miss, det in matches:
self.lost[miss].reactivate(self.frame, image, detections[det], reassign=not self.use_refind)
refind.append(self.lost[miss])
# remaining tracked
matched_size = len(u_detection)
detections = list(map(lambda u: detections[u], u_detection)) + predictions
u_tracked = list(map(lambda u: tracked[u], u_track))
distance = matching.iou_distance(u_tracked, detections)
matches, u_track, u_detection = matching.assignment(distance, threshold=.8)
for track, det in matches:
u_tracked[track].update(self.frame, image, detections[det], update_feature=True)
for track in map(lambda u: u_tracked[u], u_track):
track.lost()
lost.append(track)
# unconfirmed
detections = list(map(lambda u: detections[u], filter(lambda u: u < matched_size, u_detection)))
distance = matching.iou_distance(unconfirmed, detections)
matches, u_unconfirmed, u_detection = matching.assignment(distance, threshold=.8)
for track, det in matches:
unconfirmed[track].update(self.frame, image, detections[det], update_feature=True)
for track in map(lambda u: unconfirmed[u], u_unconfirmed):
track.remove()
removed.append(track)
# Step 4. Init new trace
for track in filter(lambda t: t.from_det and t.score >= .6,
map(lambda u: detections[u], u_detection)):
track.activate(self.frame, image, self.motion)
activated.append(track)
# Step 5. Update state
for track in filter(lambda t: self.frame - t.frame > self.max_lost, self.lost):
track.remove()
removed.append(track)
self.tracked = list(chain(
filter(lambda t: t.state == trace.State.Tracked, self.tracked),
activated, refind,
))
self.lost = list(chain(
filter(lambda t: t.state == trace.State.Lost, self.lost),
lost
))
self.removed.extend(removed)
lost_score = self.classifier.predict(
np.asarray(list(map(lambda t: t.to_tlbr, self.lost)), dtype=np.float32)
)
return chain(
filter(lambda t: t.is_activated, self.tracked),
map(lambda it: it[1],
filter(lambda it: lost_score[it[0]] > .3 and self.frame - it[1].frame <= 4,
enumerate(self.lost)))
)
def main():
#TODO: Get args
# python3 train_fixmatch.py --checkpoint-path ./checkpoint_path/model.pth --batch-size 1 --num-epochs 1 --num-steps 1 --train-from-start 1 --dataset-folder ./dataset
parser = argparse.ArgumentParser()
parser.add_argument('--checkpoint-path', type=str, default= "./checkpoints/model_fm_transfer.pth.tar")
parser.add_argument('--transfer-path', type=str, default= "./checkpoints/model_transfer.pth.tar")
parser.add_argument('--best-path', type= str, default= "./checkpoints/model_barlow_best.pth.tar")
parser.add_argument('--batch-size', type=int, default= 64)
parser.add_argument('--num-epochs', type=int, default= 10)
parser.add_argument('--num-steps', type=int, default= 10)
parser.add_argument('--train-from-start', type= int, default= 1)
parser.add_argument('--dataset-folder', type= str, default= "./dataset")
parser.add_argument('--new-dataset-folder', type= str, default= "./dataset")
parser.add_argument('--learning-rate', type = float, default= 0.01)
parser.add_argument('--threshold', type = float, default= 0.5)
parser.add_argument('--mu', type= int, default= 7)
parser.add_argument('--lambd', type= int, default= 1)
parser.add_argument('--momentum', type= float, default= 0.9)
parser.add_argument('--weight-decay', type= float, default= 0.001)
parser.add_argument('--layers', type= int, default= 18)
parser.add_argument('--fine-tune', type= int, default= 1)
parser.add_argument('--new-data', type= int, default= 0)
args = parser.parse_args()
dataset_folder = args.dataset_folder
batch_size_labeled = args.batch_size
mu = args.mu
batch_size_unlabeled = mu * args.batch_size
batch_size_val = 256 #5120
n_epochs = args.num_epochs
n_steps = args.num_steps
num_classes = 800
threshold = args.threshold
learning_rate = args.learning_rate
momentum = args.momentum
lamd = args.lambd
tau = 0.95
weight_decay = args.weight_decay
checkpoint_path = args.checkpoint_path
train_from_start = args.train_from_start
n_layers = args.layers
if torch.cuda.is_available():
device = torch.device("cuda")
else:
device = torch.device("cpu")
# print("pwd: ", os.getcwd())
train_transform, val_transform = get_transforms()
if args.new_data == 0:
labeled_train_dataset = CustomDataset(root= args.dataset_folder, split = "train", transform = train_transform)
else:
labeled_train_dataset = CustomDataset(root= args.new_dataset_folder, split = "train_new", transform = train_transform)
# labeled_train_dataset = CustomDataset(root= dataset_folder, split = "train", transform = train_transform)
unlabeled_train_dataset = CustomDataset(root= dataset_folder,
split = "unlabeled",
transform = TransformFixMatch(mean = 0, std = 0))#TODO
val_dataset = CustomDataset(root= dataset_folder, split = "val", transform = val_transform)
labeled_train_loader = DataLoader(labeled_train_dataset, batch_size= batch_size_labeled, shuffle= True, num_workers= 4)
unlabeled_train_loader = DataLoader(unlabeled_train_dataset, batch_size= batch_size_unlabeled, shuffle= True, num_workers= 4)
val_loader = DataLoader(val_dataset, batch_size= batch_size_val, shuffle= False, num_workers= 4)
labeled_iter = iter(labeled_train_loader)
unlabeled_iter = iter(unlabeled_train_loader)
model = wide_resnet50_2(pretrained=False, num_classes = 800)
classifier = Classifier(ip= 2048, dp = 0)
start_epoch = 0
checkpoint = torch.load(args.transfer_path, map_location= device)
model.load_state_dict(checkpoint['model_state_dict'])
classifier.load_state_dict(checkpoint['classifier_state_dict'])
param_groups = [dict(params=classifier.parameters(), lr=args.learning_rate)]
if args.fine_tune:
param_groups.append(dict(params=model.parameters(), lr=args.learning_rate))
optimizer = torch.optim.SGD(param_groups,
lr = learning_rate,
momentum= momentum,
nesterov= True,
weight_decay= weight_decay)
scheduler = get_cosine_schedule_with_warmup(optimizer, 0, num_training_steps= n_epochs * n_steps)
if torch.cuda.device_count() > 1:
print("Let's use", torch.cuda.device_count(), "GPUs!")
model = torch.nn.DataParallel(model)
classifier = torch.nn.DataParallel(classifier)
if train_from_start == 0:
assert os.path.isfile(checkpoint_path), "Error: no checkpoint directory found!"
print("Restoring model from checkpoint")
# args.out = os.path.dirname(args.resume)
checkpoint = torch.load(checkpoint_path)
# best_acc = checkpoint['best_acc']
start_epoch = checkpoint['epoch'] - 1
model.load_state_dict(checkpoint['backbone_state_dict'])
classifier.load_state_dict(checkpoint['classifier_state_dict'])
optimizer.load_state_dict(checkpoint['optimizer'])
scheduler.load_state_dict(checkpoint['scheduler'])
model = model.to(device)
classifier = classifier.to(device)
model.train()
losses = Average()
losses_l = Average()
losses_u = Average()
mask_probs = Average()
best_val_accuracy = 25.0 #TODO
for epoch in tqdm(range(start_epoch, n_epochs)):
if args.fine_tune:
model.train()
classifier.train()
else:
model.eval()
classifier.train()
for batch_idx in tqdm(range(n_steps)):
try:
img_lab, targets_lab = labeled_iter.next()
except:
labeled_iter = iter(labeled_train_loader)
img_lab, targets_lab = labeled_iter.next()
try:
unlab, _ = unlabeled_iter.next()
img_weak = unlab[0]
img_strong = unlab[1]
except:
unlabeled_iter = iter(unlabeled_train_loader)
unlab, _ = unlabeled_iter.next()
img_weak = unlab[0]
img_strong = unlab[1]
img_lab = img_lab.to(device)
targets_lab = targets_lab.to(device)
img_weak = img_weak.to(device)
img_strong = img_strong.to(device)
img_cat = torch.cat((img_lab, img_weak, img_strong), dim = 0)
logits_cat = classifier(model(img_cat))
logits_lab = logits_cat[:batch_size_labeled]
# print(logits_lab.size())
logits_unlab = logits_cat[batch_size_labeled:]
# print(logits_unlab)
logits_weak, logits_strong = torch.chunk(logits_unlab, chunks= 2, dim = 0)
pseudo_label = torch.softmax(logits_weak.detach()/tau, dim= 1)
max_probs, targets_unlab = torch.max(pseudo_label, dim= 1)
mask = max_probs.ge(threshold).float()
loss_labeled = F.cross_entropy(logits_lab, targets_lab, reduction='mean')
# print("CE: ", F.cross_entropy(logits_strong, targets_unlab, reduction= 'none').size())
loss_unlabeled = (F.cross_entropy(logits_strong, targets_unlab, reduction= 'none') * mask).mean()
# print("Loss labelled, loss unlabelled: ", loss_labeled, loss_unlabeled)
loss_total = loss_labeled + lamd * loss_unlabeled
# print("Total loss: ", loss_total)
# loss_epoch += loss_total
# loss_lab_epoch += loss_labeled
# loss_unlab_epoch += loss_unlabeled
losses.update(loss_total.item())
losses_l.update(loss_labeled.item())
losses_u.update(loss_unlabeled.item())
mask_probs.update(mask.mean().item())
optimizer.zero_grad()
loss_total.backward()
optimizer.step()
scheduler.step()
# break
if batch_idx % 25 == 0:
print(f"Epoch number: {epoch}, loss: {losses.avg}, loss lab: {losses_l.avg}, loss unlab: {losses_u.avg}, mask: {mask_probs.avg}, loss_here: {loss_total.item()}, best accuracy: {best_val_accuracy:.2f}", flush= True)
# print(optimizer.param_groups[0]['lr'])
save_checkpoint({
'epoch': epoch + 1,
'model_state_dict': model.state_dict(),
'classifier_state_dict': model.state_dict(),
'optimizer': optimizer.state_dict(),
'scheduler': scheduler.state_dict(),
}, checkpoint_path)
model.eval()
classifier.eval()
with torch.no_grad():
val_loss = 0
val_size = 0
total = 0
correct = 0
for batch in val_loader:
logits_val = classifier(model(batch[0].to(device)))
labels = batch[1].to(device)
val_loss += F.cross_entropy(logits_val, labels)
_, predicted = torch.max(logits_val.data, 1)
total += labels.size(0)
correct += (predicted == labels).sum().item()
val_size += 1
# break
print(f"Val loss: {val_loss/val_size}, Accuracy: {(100 * correct / total):.2f}%", flush= True)
if 100 * correct / total > best_val_accuracy:
best_val_accuracy = 100 * correct / total
best_val_loss = val_loss/val_size
print(f"Saving the best model with {best_val_accuracy:.2f}% accuracy and {best_val_loss:.2f} loss", flush= True)
save_checkpoint({
'epoch': epoch + 1,
'model_state_dict': model.state_dict(),
'classifier_state_dict': classifier.state_dict(),
'optimizer': optimizer.state_dict(),
'scheduler': scheduler.state_dict(),
'best_val_accuracy': best_val_accuracy,
'best_val_loss': best_val_loss
}, args.best_path)
model.train()
classifier.train()
return torch.optim.Adam(parameters, lr)
device = current_device()
n_features = 256
latent_dim = 1
latent_dim_cont = 0
categorical_dim = 10
batch_size = 100
lr = 1e-4
n_epochs = 100
dataloader, _, _ = get_data(batch_size)
models = {
'classifier': Classifier(latent_dim, categorical_dim),
}
for model in models.values():
model.to(device)
model.apply(weights_init_normal)
optimizers = {
'all': create_optimizer([
models['classifier'],
], lr)
}
losses = {
'info': loss.MutualInformationLoss(latent_dim, categorical_dim),
}
# Validate classifier
loss = classifier.validate(z.detach().cpu().numpy(), labels.numpy())
classifier_loss += loss * z.shape[0]
classifier_loss = classifier_loss / len(dataloader.dataset)
test_loss = running_loss / len(dataloader.dataset)
return test_loss, classifier_loss
train_loss = []
test_loss = []
classifierloss = []
for epoch in range(epochs):
print(f"Epoch {epoch + 1} of {epochs}")
classifier = Classifier()
train_epoch_loss = train(model, classifier, train_loader)
test_epoch_loss, classifier_epoch_loss = test(model, classifier, test_loader)
train_loss.append(train_epoch_loss)
test_loss.append(test_epoch_loss)
classifierloss.append(classifier_epoch_loss)
print(f"Train Loss: {train_epoch_loss:.4f}")
print(f"Val Loss: {test_epoch_loss:.4f}")
print(f"Classifier accuracy: {classifier_epoch_loss:.4f}")
print(train_loss)
print(test_loss)
print(classifierloss)
from data import CompressedData from models.classifier import Classifier from sklearn.linear_model import LogisticRegression from score import score import time import sys limit = int(sys.argv[1]) data, targets = CompressedData.data(limit=limit) tr_data, tr_targets = data[:limit/2], targets[:limit/2] cv_data, cv_targets = data[limit/2:], targets[limit/2:] logistic = Classifier(LogisticRegression()) start = time.time() logistic.train(tr_data, tr_targets) print 'duration ', time.time() - start preds = [logistic.predict(c) for c in cv_data] print score(preds, cv_targets)
