def get_config(model, fake=False):
nr_tower = max(get_num_gpu(), 1)
assert args.batch % nr_tower == 0
batch = args.batch // nr_tower
if fake:
logger.info("For benchmark, batch size is fixed to 64 per tower.")
dataset_train = FakeData([[64, 224, 224, 3], [64]],
1000,
random=False,
dtype='uint8')
callbacks = []
steps_per_epoch = 100
else:
logger.info("Running on {} towers. Batch size per tower: {}".format(
nr_tower, batch))
dataset_train = get_imagenet_dataflow(args.data, 'train', batch)
dataset_val = get_imagenet_dataflow(args.data, 'val', min(64, batch))
steps_per_epoch = 1281167 // args.batch
BASE_LR = 0.1 * args.batch / 256.0
logger.info("BASELR: {}".format(BASE_LR))
callbacks = [
ModelSaver(),
EstimatedTimeLeft(),
GPUUtilizationTracker(),
ScheduledHyperParamSetter('learning_rate', [(0, BASE_LR),
(30, BASE_LR * 1e-1),
(60, BASE_LR * 1e-2),
(90, BASE_LR * 1e-3)]),
]
if BASE_LR > 0.1:
callbacks.append(
ScheduledHyperParamSetter('learning_rate',
[(0, 0.1),
(5 * steps_per_epoch, BASE_LR)],
interp='linear',
step_based=True))
infs = [
ClassificationError('wrong-top1', 'val-error-top1'),
ClassificationError('wrong-top5', 'val-error-top5')
]
if nr_tower == 1:
# single-GPU inference with queue prefetch
callbacks.append(InferenceRunner(QueueInput(dataset_val), infs))
else:
# multi-GPU inference (with mandatory queue prefetch)
callbacks.append(
DataParallelInferenceRunner(dataset_val, infs,
list(range(nr_tower))))
return TrainConfig(
model=model,
dataflow=dataset_train,
callbacks=callbacks,
steps_per_epoch=steps_per_epoch,
max_epoch=100,
)
def get_config(model):
nr_tower = max(get_num_gpu(), 1)
assert args.batch % nr_tower == 0
batch = args.batch // nr_tower
logger.info(
"Running on {} towers. Batch size per tower: {}".format(nr_tower, batch))
if batch < 32 or batch > 64:
logger.warn(
"Batch size per tower not in [32, 64]. This probably will lead to worse accuracy than reported.")
if args.fake:
data = QueueInput(FakeData(
[[batch, 224, 224, 3], [batch]], 1000, random=False, dtype='uint8'))
callbacks = []
else:
if args.symbolic:
data = TFDatasetInput(
get_imagenet_tfdata(args.data, 'train', batch))
else:
data = QueueInput(get_imagenet_dataflow(args.data, 'train', batch))
START_LR = 0.1
BASE_LR = START_LR * (args.batch / 256.0)
callbacks = [
ModelSaver(),
EstimatedTimeLeft(),
ScheduledHyperParamSetter(
'learning_rate', [
(0, min(START_LR, BASE_LR)), (30,
BASE_LR * 1e-1), (60, BASE_LR * 1e-2),
(90, BASE_LR * 1e-3), (100, BASE_LR * 1e-4)]),
]
if BASE_LR > START_LR:
callbacks.append(
ScheduledHyperParamSetter(
'learning_rate', [(0, START_LR), (5, BASE_LR)], interp='linear'))
infs = [ClassificationError('wrong-top1', 'val-error-top1'),
ClassificationError('wrong-top5', 'val-error-top5')]
dataset_val = get_imagenet_dataflow(args.data, 'val', batch)
if nr_tower == 1:
# single-GPU inference with queue prefetch
callbacks.append(InferenceRunner(QueueInput(dataset_val), infs))
else:
# multi-GPU inference (with mandatory queue prefetch)
callbacks.append(DataParallelInferenceRunner(
dataset_val, infs, list(range(nr_tower))))
if get_num_gpu() > 0:
callbacks.append(GPUUtilizationTracker())
return TrainConfig(
model=model,
data=data,
callbacks=callbacks,
steps_per_epoch=100 if args.fake else 1281167 // args.batch,
max_epoch=105,
)
def get_data(name, batch):
isTrain = name == 'train'
global args
augmentors = fbresnet_augmentor(isTrain)
if isTrain:
print("Training batch:", batch)
return get_imagenet_dataflow(args.data, name, batch, augmentors)
else:
imagenet1k = get_imagenet_dataflow(args.data, name, batch, augmentors)
return imagenet1k
def get_data(name, batch):
isTrain = name == 'train'
if isTrain:
augmentors = [
# use lighter augs if model is too small
GoogleNetResize(crop_area_fraction=0.49 if args.ratio < 1 else 0.08),
imgaug.RandomOrderAug(
[imgaug.BrightnessScale((0.6, 1.4), clip=False),
imgaug.Contrast((0.6, 1.4), clip=False),
imgaug.Saturation(0.4, rgb=False),
# rgb-bgr conversion for the constants copied from fb.resnet.torch
imgaug.Lighting(0.1,
eigval=np.asarray(
[0.2175, 0.0188, 0.0045][::-1]) * 255.0,
eigvec=np.array(
[[-0.5675, 0.7192, 0.4009],
[-0.5808, -0.0045, -0.8140],
[-0.5836, -0.6948, 0.4203]],
dtype='float32')[::-1, ::-1]
)]),
imgaug.Flip(horiz=True),
]
else:
augmentors = [
imgaug.ResizeShortestEdge(256, cv2.INTER_CUBIC),
imgaug.CenterCrop((224, 224)),
]
return get_imagenet_dataflow(
args.data, name, batch, augmentors)
def get_data(name, batch):
isTrain = name == 'train'
if isTrain:
augmentors = [
GoogleNetResize(crop_area_fraction=0.49),
imgaug.RandomOrderAug([
imgaug.BrightnessScale((0.6, 1.4), clip=False),
imgaug.Contrast((0.6, 1.4), clip=False),
imgaug.Saturation(0.4, rgb=False),
# rgb-bgr conversion for the constants copied from fb.resnet.torch
imgaug.Lighting(
0.1,
eigval=np.asarray([0.2175, 0.0188, 0.0045][::-1]) * 255.0,
eigvec=np.array([[-0.5675, 0.7192, 0.4009],
[-0.5808, -0.0045, -0.8140],
[-0.5836, -0.6948, 0.4203]],
dtype='float32')[::-1, ::-1])
]),
imgaug.Flip(horiz=True),
]
else:
augmentors = [
imgaug.ResizeShortestEdge(256, cv2.INTER_CUBIC),
imgaug.CenterCrop((224, 224)),
]
return get_imagenet_dataflow(args.data, name, batch, augmentors)
def get_data(name, batch):
isTrain = name == 'train'
image_shape = 224
if isTrain:
augmentors = [
# use lighter augs if model is too small
GoogleNetResize(
crop_area_fraction=0.49 if args.width_ratio < 1 else 0.08,
target_shape=image_shape),
imgaug.RandomOrderAug([
imgaug.BrightnessScale((0.6, 1.4), clip=False),
imgaug.Contrast((0.6, 1.4), clip=False),
imgaug.Saturation(0.4, rgb=False),
]),
imgaug.Flip(horiz=True),
]
else:
augmentors = [
imgaug.ResizeShortestEdge(int(image_shape * 256 / 224),
cv2.INTER_CUBIC),
imgaug.CenterCrop((image_shape, image_shape)),
]
return get_imagenet_dataflow(args.data_dir,
name,
batch,
augmentors,
meta_dir=args.meta_dir)
def get_data(name, batch, parallel=None):
isTrain = name == 'train'
augmentors = fbresnet_augmentor(isTrain)
return get_imagenet_dataflow(args.data,
name,
batch,
augmentors,
parallel=parallel)
def get_data(train_or_test):
isTrain = train_or_test == 'train'
augs = fbresnet_augmentor(isTrain)
meta = dataset.ILSVRCMeta()
pp_mean = meta.get_per_pixel_mean()
augs.append(imgaug.MapImage(lambda x: x - pp_mean[16:-16, 16:-16]))
ds = get_imagenet_dataflow(args.data, train_or_test, BATCH_SIZE, augs)
return ds
def get_data(train_or_test):
isTrain = train_or_test == 'train'
augs = fbresnet_augmentor(isTrain)
meta = dataset.ILSVRCMeta()
pp_mean = meta.get_per_pixel_mean()
augs.append(imgaug.MapImage(lambda x: x - pp_mean[16:-16, 16:-16]))
ds = get_imagenet_dataflow(args.data, train_or_test, BATCH_SIZE, augs)
return ds
def get_data(train_or_test):
isTrain = train_or_test == 'train'
augs = fbresnet_augmentor(isTrain)
meta = dataset.ILSVRCMeta()
pp_mean = meta.get_per_pixel_mean()
augs.append(imgaug.MapImage(lambda x: x - pp_mean[16:-16, 16:-16]))
data_path = TRAIN_LIST_PATH if train_or_test == 'train' else VALID_LIST_PATH
ds = get_imagenet_dataflow(data_path, train_or_test, BATCH_SIZE, augs)
return ds
def get_data(name, batch):
isTrain = name == 'train'
if isTrain:
augmentors = [
imgaug.ResizeShortestEdge(256, cv2.INTER_CUBIC),
imgaug.RandomCrop(224),
imgaug.Lighting(0.1,
eigval=np.asarray(
[0.2175, 0.0188, 0.0045][::-1]) * 255.0,
eigvec=np.array(
[[-0.5675, 0.7192, 0.4009],
[-0.5808, -0.0045, -0.8140],
[-0.5836, -0.6948, 0.4203]],
dtype='float32')[::-1, ::-1]),
imgaug.Flip(horiz=True)]
else:
augmentors = [
imgaug.ResizeShortestEdge(256, cv2.INTER_CUBIC),
imgaug.CenterCrop((224, 224))]
return get_imagenet_dataflow(args.data, name, batch, augmentors)
def get_data(name, batch):
isTrain = name == 'train'
if isTrain:
augmentors = [
imgaug.ResizeShortestEdge(256, cv2.INTER_CUBIC),
imgaug.RandomCrop(224),
imgaug.Lighting(0.1,
eigval=np.asarray(
[0.2175, 0.0188, 0.0045][::-1]) * 255.0,
eigvec=np.array(
[[-0.5675, 0.7192, 0.4009],
[-0.5808, -0.0045, -0.8140],
[-0.5836, -0.6948, 0.4203]],
dtype='float32')[::-1, ::-1]),
imgaug.Flip(horiz=True)]
else:
augmentors = [
imgaug.ResizeShortestEdge(256, cv2.INTER_CUBIC),
imgaug.CenterCrop((224, 224))]
return get_imagenet_dataflow(args.data, name, batch, augmentors)
def get_data(name, batch, data_aug=True):
isTrain = name == 'train'
augmentors = fbresnet_augmentor(isTrain) if data_aug \
else normal_augmentor(isTrain)
return get_imagenet_dataflow(args.data, name, batch, augmentors)
def get_data(name, batch):
isTrain = name == 'train'
global args
augmentors = fbresnet_augmentor(isTrain)
return get_imagenet_dataflow(args.data, name, batch, augmentors)
parser = argparse.ArgumentParser()
parser.add_argument('--data', help='ILSVRC dataset dir')
parser.add_argument('--fake', help='use fakedata to test or benchmark this model', action='store_true')
args = parser.parse_args()
logger.set_logger_dir("train_log/imagenet-resnet-keras")
tf.keras.backend.set_image_data_format('channels_first')
nr_gpu = get_nr_gpu()
if args.fake:
df_train = FakeData([[64, 224, 224, 3], [64, 1000]], 5000, random=False, dtype='uint8')
df_val = FakeData([[64, 224, 224, 3], [64, 1000]], 5000, random=False)
else:
batch_size = TOTAL_BATCH_SIZE // nr_gpu
assert args.data is not None
df_train = get_imagenet_dataflow(
args.data, 'train', batch_size, fbresnet_augmentor(True))
df_val = get_imagenet_dataflow(
args.data, 'val', batch_size, fbresnet_augmentor(False))
def one_hot(label):
return np.eye(1000)[label]
df_train = MapDataComponent(df_train, one_hot, 1)
df_val = MapDataComponent(df_val, one_hot, 1)
M = KerasModel(
resnet50,
inputs_desc=[InputDesc(tf.uint8, [None, 224, 224, 3], 'images')],
targets_desc=[InputDesc(tf.float32, [None, 1000], 'labels')],
input=df_train,
trainer=SyncMultiGPUTrainerReplicated(nr_gpu))
"Pretrained models listed in README were trained with batch=32x8.")
parser.add_argument('--mode', choices=['resnet', 'preact', 'se'],
help='variants of resnet to use', default='resnet')
args = parser.parse_args()
if args.gpu:
os.environ['CUDA_VISIBLE_DEVICES'] = args.gpu
model = Model(args.depth, args.mode)
model.data_format = args.data_format
if args.weight_decay_norm:
model.weight_decay_pattern = ".*/W|.*/gamma|.*/beta"
if args.eval:
batch = 128 # something that can run on one gpu
ds = get_imagenet_dataflow(args.data, 'val', batch)
eval_on_ILSVRC12(model, get_model_loader(args.load), ds)
else:
if args.fake:
logger.set_logger_dir(os.path.join('train_log', 'tmp'), 'd')
else:
logger.set_logger_dir(
os.path.join('train_log',
'imagenet-{}-d{}-batch{}'.format(
args.mode, args.depth, args.batch)))
config = get_config(model)
if args.load:
config.session_init = get_model_loader(args.load)
trainer = SyncMultiGPUTrainerReplicated(max(get_num_gpu(), 1))
launch_train_with_config(config, trainer)
def get_data(name, batch, target_shape):
isTrain = name == 'train'
augmentors = fbresnet_augmentor(isTrain, target_shape)
return get_imagenet_dataflow(args.data, name, batch, augmentors)
help='resnet depth',
required=True,
type=int,
choices=[50, 101, 152])
parser.add_argument('--input', help='an input image')
parser.add_argument('--convert',
help='npz output file to save the converted model')
parser.add_argument('--eval', help='ILSVRC dir to run validation on')
parser.add_argument('--image-size',
choices=[224, 75],
help='image size to feed to resnet')
parser.add_argument('--dataset', choices=['val', 'train'])
args = parser.parse_args()
DEPTH = args.depth
param = np.load(args.load, encoding='latin1').item()
param = convert_param_name(param)
target_shape = args.image_size
if args.convert:
assert args.convert.endswith('.npz')
np.savez_compressed(args.convert, **param)
if args.eval:
ds = get_imagenet_dataflow(args.eval, args.dataset, 128,
get_inference_augmentor(target_shape))
eval_on_ILSVRC12(Model(target_shape), DictRestore(param), ds)
elif args.input:
run_test(param, args.input, target_shape)
raise
logger.info("Name Transform: " + k + ' --> ' + newname)
resnet_param[newname] = v
return resnet_param
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--load', required=True,
help='.npy model file generated by tensorpack.utils.loadcaffe')
parser.add_argument('-d', '--depth', help='resnet depth', required=True, type=int, choices=[50, 101, 152])
parser.add_argument('--input', help='an input image')
parser.add_argument('--convert', help='npz output file to save the converted model')
parser.add_argument('--eval', help='ILSVRC dir to run validation on')
args = parser.parse_args()
DEPTH = args.depth
param = np.load(args.load, encoding='latin1').item()
param = convert_param_name(param)
if args.convert:
assert args.convert.endswith('.npz')
np.savez_compressed(args.convert, **param)
if args.eval:
ds = get_imagenet_dataflow(args.eval, 'val', 128, get_inference_augmentor())
eval_on_ILSVRC12(Model(), DictRestore(param), ds)
elif args.input:
run_test(param, args.input)
def get_data(dataset_name):
isTrain = dataset_name == 'train'
augmentors = fbresnet_augmentor(isTrain)
return get_imagenet_dataflow(
args.data, dataset_name, BATCH_SIZE, augmentors)
args = parser.parse_args()
logger.set_logger_dir(os.path.join("train_log", "imagenet-resnet-keras"))
tf.keras.backend.set_image_data_format('channels_first')
num_gpu = get_num_gpu()
if args.fake:
df_train = FakeData([[64, 224, 224, 3], [64, 1000]],
5000,
random=False,
dtype='uint8')
df_val = FakeData([[64, 224, 224, 3], [64, 1000]], 5000, random=False)
else:
batch_size = TOTAL_BATCH_SIZE // num_gpu
assert args.data is not None
df_train = get_imagenet_dataflow(args.data, 'train', batch_size,
fbresnet_augmentor(True))
df_val = get_imagenet_dataflow(args.data, 'val', batch_size,
fbresnet_augmentor(False))
def one_hot(label):
return np.eye(1000)[label]
df_train = MapDataComponent(df_train, one_hot, 1)
df_val = MapDataComponent(df_val, one_hot, 1)
M = KerasModel(
resnet50,
inputs_desc=[InputDesc(tf.uint8, [None, 224, 224, 3], 'images')],
targets_desc=[InputDesc(tf.float32, [None, 1000], 'labels')],
input=df_train,
trainer=SyncMultiGPUTrainerReplicated(num_gpu))
def get_data(name, batch, data_aug=True):
isTrain = name == 'train'
augmentors = fbresnet_augmentor(isTrain) if data_aug \
else normal_augmentor(isTrain)
return get_imagenet_dataflow(
args.data, name, batch, augmentors)
def main():
global args
args = parser.parse_args()
cudnn.benchmark = True
if args.gpu:
os.environ['CUDA_VISIBLE_DEVICES'] = args.gpu
strong_augmentor = False
if args.backbone_net == 'blresnext':
backbone = blresnext_model
arch_name = "ImageNet-bLResNeXt-{}-{}x{}d-a{}-b{}".format(
args.depth, args.cardinality, args.basewidth, args.alpha, args.beta)
backbone_setting = [args.depth, args.basewidth, args.cardinality, args.alpha, args.beta]
elif args.backbone_net == 'blresnet':
backbone = blresnet_model
arch_name = "ImageNet-bLResNet-{}-a{}-b{}".format(args.depth, args.alpha, args.beta)
backbone_setting = [args.depth, args.alpha, args.beta]
elif args.backbone_net == 'blseresnext':
backbone = blseresnext_model
arch_name = "ImageNet-bLSEResNeXt-{}-{}x{}d-a{}-b{}".format(
args.depth, args.cardinality, args.basewidth, args.alpha, args.beta)
backbone_setting = [args.depth, args.basewidth, args.cardinality, args.alpha, args.beta]
strong_augmentor = True
else:
raise ValueError("Unsupported backbone.")
# add class number and whether or not load pretrained model
backbone_setting += [1000, args.pretrained]
# create model
model = backbone(*backbone_setting)
if args.pretrained:
print("=> using pre-trained model '{}'".format(arch_name))
else:
print("=> creating model '{}'".format(arch_name))
model = torch.nn.DataParallel(model).cuda()
# define loss function (criterion) and optimizer
train_criterion = nn.CrossEntropyLoss().cuda()
val_criterion = nn.CrossEntropyLoss().cuda()
# Data loading code
valdir = os.path.join(args.data, 'val')
val_loader = get_imagenet_dataflow(False, valdir, args.batch_size, get_augmentor(
False, args.input_shape, strong_augmentor), workers=args.workers)
log_folder = os.path.join(args.logdir, arch_name)
if not os.path.exists(log_folder):
os.makedirs(log_folder)
if args.evaluate:
val_top1, val_top5, val_losses, val_speed = validate(val_loader, model, val_criterion)
print('Val@{}: \tLoss: {:4.4f}\tTop@1: {:.4f}\tTop@5: {:.4f}\t'
'Speed: {:.2f} ms/batch\t'.format(args.input_shape, val_losses, val_top1,
val_top5, val_speed * 1000.0), flush=True)
return
traindir = os.path.join(args.data, 'train')
train_loader = get_imagenet_dataflow(True, traindir, args.batch_size, get_augmentor(
True, args.input_shape, strong_augmentor), workers=args.workers)
optimizer = torch.optim.SGD(model.parameters(), args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay,
nesterov=True)
if args.lr_scheduler == 'step':
scheduler = lr_scheduler.StepLR(optimizer, 30, gamma=0.1)
elif args.lr_scheduler == 'cosine':
scheduler = lr_scheduler.CosineAnnealingLR(optimizer, args.epochs, eta_min=0)
else:
raise ValueError("Unsupported scheduler.")
tensorboard_logger.configure(os.path.join(log_folder))
# optionally resume from a checkpoint
best_top1 = 0.0
if args.resume:
logfile = open(os.path.join(log_folder, 'log.log'), 'a')
if os.path.isfile(args.resume):
print("=> loading checkpoint '{}'".format(args.resume))
checkpoint = torch.load(args.resume)
args.start_epoch = checkpoint['epoch']
best_top1 = checkpoint['best_top1']
model.load_state_dict(checkpoint['state_dict'])
optimizer.load_state_dict(checkpoint['optimizer'])
print("=> loaded checkpoint '{}' (epoch {})"
.format(args.resume, checkpoint['epoch']))
else:
print("=> no checkpoint found at '{}'".format(args.resume))
else:
logfile = open(os.path.join(log_folder, 'log.log'), 'w')
print(args, flush=True)
print(model, flush=True)
print(args, file=logfile, flush=True)
print(model, file=logfile, flush=True)
for epoch in range(args.start_epoch, args.epochs):
scheduler.step(epoch)
try:
# get_lr get all lrs for every layer of current epoch, assume the lr for all layers are identical
lr = scheduler.get_lr()[0]
except Exception as e:
lr = None
# train for one epoch
train_top1, train_top5, train_losses, train_speed, speed_data_loader, train_steps = \
train(train_loader,
model,
train_criterion,
optimizer, epoch + 1)
# evaluate on validation set
val_top1, val_top5, val_losses, val_speed = validate(val_loader, model, val_criterion)
print('Train: [{:03d}/{:03d}]\tLoss: {:4.4f}\tTop@1: {:.4f}\tTop@5: {:.4f}\tSpeed: {:.2f} ms/batch\t'
'Data loading: {:.2f} ms/batch'.format(epoch + 1, args.epochs, train_losses, train_top1, train_top5,
train_speed * 1000.0, speed_data_loader * 1000.0),
file=logfile, flush=True)
print('Val : [{:03d}/{:03d}]\tLoss: {:4.4f}\tTop@1: {:.4f}\tTop@5: {:.4f}\tSpeed: {:.2f} ms/batch'.format(
epoch + 1, args.epochs, val_losses, val_top1, val_top5, val_speed * 1000.0), file=logfile, flush=True)
print('Train: [{:03d}/{:03d}]\tLoss: {:4.4f}\tTop@1: {:.4f}\tTop@5: {:.4f}\tSpeed: {:.2f} ms/batch\t'
'Data loading: {:.2f} ms/batch'.format(epoch + 1, args.epochs, train_losses, train_top1, train_top5,
train_speed * 1000.0, speed_data_loader * 1000.0), flush=True)
print('Val : [{:03d}/{:03d}]\tLoss: {:4.4f}\tTop@1: {:.4f}\tTop@5: {:.4f}\tSpeed: {:.2f} ms/batch'.format(
epoch + 1, args.epochs, val_losses, val_top1, val_top5, val_speed * 1000.0), flush=True)
# remember best prec@1 and save checkpoint
is_best = val_top1 > best_top1
best_top1 = max(val_top1, best_top1)
save_dict = {'epoch': epoch + 1,
'arch': arch_name,
'state_dict': model.state_dict(),
'best_top1': best_top1,
'optimizer': optimizer.state_dict(),
}
save_checkpoint(save_dict, is_best, filepath=log_folder)
if lr is not None:
tensorboard_logger.log_value('learnnig-rate', lr, epoch + 1)
tensorboard_logger.log_value('val-top1', val_top1, epoch + 1)
tensorboard_logger.log_value('val-loss', val_losses, epoch + 1)
tensorboard_logger.log_value('train-top1', train_top1, epoch + 1)
tensorboard_logger.log_value('train-loss', train_losses, epoch + 1)
tensorboard_logger.log_value('best-val-top1', best_top1, epoch + 1)
logfile.close()
def get_data(dataset_name):
isTrain = dataset_name == 'train'
augmentors = fbresnet_augmentor(isTrain)
return get_imagenet_dataflow(args.data, dataset_name, BATCH_SIZE,
augmentors)
def get_data(name, batch):
isTrain = name == 'train'
# 根据是否是训练数据获得对应的augmentors
augmentors = fbresnet_augmentor(isTrain)
return get_imagenet_dataflow(args.data, name, batch,
augmentors) # 返回图像数据流？
'--load',
required=True,
help='.npy model file generated by tensorpack.utils.loadcaffe')
parser.add_argument('-d',
'--depth',
help='resnet depth',
required=True,
type=int,
choices=[50, 101, 152])
parser.add_argument('--input', help='an input image')
parser.add_argument('--convert',
help='npz output file to save the converted model')
parser.add_argument('--eval', help='ILSVRC dir to run validation on')
args = parser.parse_args()
DEPTH = args.depth
param = np.load(args.load, encoding='latin1').item()
param = convert_param_name(param)
if args.convert:
assert args.convert.endswith('.npz')
np.savez_compressed(args.convert, **param)
if args.eval:
ds = get_imagenet_dataflow(args.eval, 'val', 128,
get_inference_augmentor())
eval_on_ILSVRC12(Model(), DictRestore(param), ds)
elif args.input:
run_test(param, args.input)
def get_data(name, batch):
isTrain = name == 'train'
augmentors = fbresnet_augmentor(isTrain)
return get_imagenet_dataflow(
args.data, name, batch, augmentors)