def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train], excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.batch_size, shuffle=False, **kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.batch_size, shuffle=False, **kwargs)
test_loader = DataLoader(test_set, batch_size=args.batch_size, shuffle=False, **kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.batch_size, shuffle=False, **kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'ycb':
train_set = SegDataset('/home/huipengly/data/Pictures/YCB_Video_Dataset/data',
'/home/huipengly/data/Pictures/YCB_Video_Dataset/image_sets/train.txt', True)
val_set = SegDataset('/home/huipengly/data/Pictures/YCB_Video_Dataset/data',
'/home/huipengly/data/Pictures/YCB_Video_Dataset/image_sets/val.txt', False)
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=1, shuffle=True, **kwargs)
test_loader = None
return train_loader, val_loader, test_loader, 22
else:
raise NotImplementedError
def get_dataloader(self):
if self.args.dataset == 'pascal':
assert self.args.datamode == 'val'
dataset = pascal.VOCSegmentation(self.args, split='val')
self.n_classes = dataset.NUM_CLASSES
self.name_classes = dataset.class_names
self.dataloader = DataLoader(dataset,
batch_size=self.args.test_batch_size,
shuffle=False)
elif self.args.dataset == 'cityscapes':
dataset = cityscapes.CityscapesSegmentation(
self.args, split=self.args.datamode)
self.n_classes = dataset.NUM_CLASSES
self.name_classes = dataset.class_names
self.dataloader = DataLoader(dataset,
batch_size=self.args.test_batch_size,
shuffle=False)
elif self.args.dataset == 'coco':
dataset = coco.COCOSegmentation(self.args,
split=self.args.datamode)
self.n_classes = dataset.NUM_CLASSES
self.name_classes = dataset.class_names
self.dataloader = DataLoader(dataset,
batch_size=self.args.test_batch_size,
shuffle=False)
else:
raise NotImplementedError('不适用于其他数据集')
def make_data_loader(args, **kwargs):
if args.dataset == "pascal":
train_set = pascal.VOCSegmentation(args, split="train")
val_set = pascal.VOCSegmentation(args, split="val")
num_class = train_set.NUM_CLASS
train_loader = data.DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = data.DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
else:
return NotImplementedError
return train_loader, val_loader, test_loader, num_class
def make_data_loader(basedir, args, **kwargs):
if args.dataset == 'pascal':
if args.pattern == 'train':
train_set = pascal.VOCSegmentation(args, base_dir=basedir, split='train')
val_set = pascal.VOCSegmentation(args, base_dir=basedir, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.batch_size, shuffle=False, **kwargs)
return train_loader, val_loader, num_class
if args.pattern == 'test':
test_set = pascal.VOCSegmentation(args, base_dir=basedir, split='test')
num_class = test_set.NUM_CLASSES
test_set_loader = DataLoader(test_set, batch_size=args.test_batch_size, shuffle=True, **kwargs)
return test_set_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
class_names = train_set.class_names
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.test_batch_size, shuffle=False, **kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class, class_names
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
class_names = train_set.class_names
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.test_batch_size, shuffle=False, **kwargs)
test_loader = DataLoader(test_set, batch_size=args.test_batch_size, shuffle=False, **kwargs)
return train_loader, val_loader, test_loader, num_class, class_names
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
class_names = train_set.class_names
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(val_set, batch_size=args.test_batch_size, shuffle=False, **kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class, class_names
else:
raise NotImplementedError
def __init__(self, args):
self.args = args
# Define Dataloader
kwargs = {'num_workers': args.workers, 'pin_memory': True}
val_set = pascal.VOCSegmentation(args, split='val')
self.nclass = val_set.NUM_CLASSES
self.val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
# Define network
self.model = DeepLab(num_classes=self.nclass,
backbone=args.backbone,
output_stride=args.out_stride,
sync_bn=args.sync_bn,
freeze_bn=args.freeze_bn)
self.criterion = SegmentationLosses(
weight=None, cuda=args.cuda).build_loss(mode=args.loss_type)
# Define Evaluator
self.evaluator = Evaluator(self.nclass)
# Using cuda
if args.cuda:
print('device_ids', self.args.gpu_ids)
self.model = torch.nn.DataParallel(self.model,
device_ids=self.args.gpu_ids)
patch_replication_callback(self.model)
self.model = self.model.cuda()
# Resuming checkpoint
self.best_pred = 0.0
if args.resume is not None:
if not os.path.isfile(args.resume):
raise RuntimeError("=> no checkpoint found at '{}'".format(
args.resume))
checkpoint = torch.load(args.resume)
args.start_epoch = checkpoint['epoch']
if args.cuda:
self.model.module.load_state_dict(checkpoint['state_dict'])
else:
self.model.load_state_dict(checkpoint['state_dict'])
self.best_pred = checkpoint['best_pred']
print("=> loaded checkpoint '{}' (epoch {})".format(
args.resume, checkpoint['epoch']))
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation('../../../Pascal/VOCdevkit',
train=True)
val_set = pascal.VOCSegmentation('../../../Pascal/VOCdevkit',
train=False)
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.test_batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif 'cityscapes' in args.dataset:
if args.dataset == 'cityscapes_edm':
train_set = cityscapes.CityscapesSegmentation(args,
split='train',
full=True)
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
else:
if 'supernet' in args.network:
train_set1, train_set2 = cityscapes.twoTrainSeg(args)
num_class = train_set1.NUM_CLASSES
train_loader1 = DataLoader(train_set1,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set2,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
else:
train_set = cityscapes.CityscapesSegmentation(args,
split='train')
num_class = train_set.NUM_CLASSES
if args.dist:
train_loader = DataLoader(
train_set,
batch_size=args.batch_size,
shuffle=False,
sampler=DistributedSampler(train_set),
**kwargs)
else:
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
if args.network != None:
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
else:
raise Exception('autodeeplab param not set properly')
val_loader = DataLoader(val_set,
batch_size=args.test_batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.test_batch_size,
shuffle=False,
**kwargs)
if 'supernet' in args.network:
return train_loader1, train_loader2, val_loader, test_loader, num_class
else:
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'flood':
workpath = Path.db_root_dir('flood')
train_data = flood.load_flood_train_data(workpath)
train_dataset = flood.InMemoryDataset(train_data,
flood.processAndAugment)
train_loader = torch.utils.data.DataLoader(train_dataset,
batch_size=16,
shuffle=True,
sampler=None,
batch_sampler=None,
num_workers=0,
collate_fn=None,
pin_memory=True,
drop_last=False,
timeout=0,
worker_init_fn=None)
valid_data = flood.load_flood_valid_data(workpath)
valid_dataset = flood.InMemoryDataset(valid_data, flood.processTestIm)
valid_loader = torch.utils.data.DataLoader(
valid_dataset,
batch_size=4,
shuffle=True,
sampler=None,
batch_sampler=None,
num_workers=0,
collate_fn=lambda x:
(torch.cat([a[0] for a in x], 0), torch.cat([a[1] for a in x], 0)),
pin_memory=True,
drop_last=False,
timeout=0,
worker_init_fn=None)
test_data = flood.load_flood_valid_data(workpath)
test_dataset = flood.InMemoryDataset(test_data, flood.processTestIm)
test_loader = torch.utils.data.DataLoader(
test_dataset,
batch_size=4,
shuffle=True,
sampler=None,
batch_sampler=None,
num_workers=0,
collate_fn=lambda x:
(torch.cat([a[0] for a in x], 0), torch.cat([a[1] for a in x], 0)),
pin_memory=True,
drop_last=False,
timeout=0,
worker_init_fn=None)
num_class = 2
return train_loader, valid_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
test_set = None
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
make_dataset_val(train_set, val_set)
if args.use_divide_data:
train_id_file = 'train_id.txt'
test_id_file = 'test_id.txt'
if os.path.isfile(train_id_file) & os.path.isfile(
test_id_file):
print(
'Find the exsiting divided file, Loading.... - . -\n')
train_set, test_set = load_combined_dataset(train_set)
else:
train_set, test_set = divide_combineddataset(train_set)
# make_dataset(train_set,test_set)
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == "pascal":
if args.task == "segmentation":
train_set = pascal.VOCSegmentation(args, split="train")
val_set = pascal.VOCSegmentation(args, split="val")
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=["train", "val"])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
elif args.task == "panoptic":
train_set = pascal.VOCPanoptic(args, split="train")
val_set = pascal.VOCPanoptic(args, split="val")
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == "cityscapes":
if args.task == "segmentation":
train_set = cityscapes.CityscapesSegmentation(args, split="train")
val_set = cityscapes.CityscapesSegmentation(args, split="val")
test_set = cityscapes.CityscapesSegmentation(args, split="test")
elif args.task == "panoptic":
train_set = cityscapes.CityscapesPanoptic(args, split="train")
val_set = cityscapes.CityscapesPanoptic(args, split="val")
test_set = cityscapes.CityscapesPanoptic(args, split="test")
else:
print("UNKNOWN TASK!")
raise
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == "coco":
train_set = coco.COCOSegmentation(args, split="train")
val_set = coco.COCOSegmentation(args, split="val")
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'drive':
num_class = 2
train_path = '../data/DRIVE/training/images'
train_mask = '../data/DRIVE/training/1st_manual'
test_path = '../data/DRIVE/test/' #images and 1st_manual
simple_transform = tfs.Compose([tfs.ToTensor()])
pw = args.pw
ph = args.ph
npatches = args.npatches
train_ipatches, train_lpatches, valid_ipatches, valid_lpatches = retina.getdata(
train_path, train_mask, ph, pw, npatches)
#test_patches,test_mask_patches = retina.getdata(test_path+'images' ,test_path+'1st_manual',False,0,0,0)
train_set = retina.Retinal(train_ipatches,
train_lpatches,
transform=simple_transform)
valid_set = retina.Retinal(valid_ipatches,
valid_lpatches,
transform=simple_transform)
#test_set = retina.Retinal(test_patches,test_mask_patches,simple_transform)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True)
valid_loader = DataLoader(valid_set,
batch_size=args.batch_size,
shuffle=False)
#test_loader = DataLoader(test_set,batch_size=args.batch_size,shuffle=False)
test_loader = None
return train_loader, valid_loader, test_loader, num_class
elif args.dataset == 'brain':
num_class = 4
train_set, val_set = brats.get_Brain_data()
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True)
valid_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False)
test_loader = None
return train_loader, valid_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'whales':
train_path = "../../data/HumpbackWhales/segmentacion/train/"
val_path = "../../data/HumpbackWhales/segmentacion/val/"
test_path = "../../data/HumpbackWhales/segmentacion/test/"
train_set = whales.WhalesSegmentation(
args,
images_path=train_path + 'mask_images_train/',
label_path=train_path + 'mask_train/',
image=os.listdir(train_path + 'mask_images_train/'),
split='train',
drop_last=True)
val_set = whales.WhalesSegmentation(
args,
images_path=val_path + 'mask_images_val/',
label_path=val_path + 'mask_val/',
image=os.listdir(val_path + 'mask_images_val/'),
split='val',
drop_last=True)
test_set = whales.WhalesSegmentation(
args,
images_path=test_path,
label_path=0,
image=os.listdir(test_path),
split='test',
drop_last=True) #,label=os.listdir(test_path)
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
root = args.data_path
if args.dist:
print("=> Using Distribued Sampler")
if args.dataset == 'cityscapes':
if args.autodeeplab == 'train':
train_set = cityscapes.CityscapesSegmentation(args,
root,
split='retrain')
num_class = train_set.NUM_CLASSES
train_sampler = torch.utils.data.distributed.DistributedSampler(
train_set)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=False,
sampler=train_sampler,
**kwargs)
val_set = cityscapes.CityscapesSegmentation(args,
root,
split='val')
test_set = cityscapes.CityscapesSegmentation(args,
root,
split='test')
val_sampler = torch.utils.data.distributed.DistributedSampler(
val_set)
test_sampler = torch.utils.data.distributed.DistributedSampler(
test_set)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
sampler=val_sampler,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
sampler=test_sampler,
**kwargs)
elif args.autodeeplab == 'train_seg':
dataset_cfg = {
'cityscapes':
dict(root=args.data_path,
split='train',
is_train=True,
crop_size=(args.image_height, args.image_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225))
}
train_set = Cityscapes(**dataset_cfg['cityscapes'])
num_class = train_set.num_classes
train_sampler = torch.utils.data.distributed.DistributedSampler(
train_set)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=False,
sampler=train_sampler,
**kwargs)
dataset_val_cfg = {
'cityscapes':
dict(root=args.data_path,
split='val',
is_train=False,
crop_size=(args.eval_height, args.eval_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225))
}
val_set = Cityscapes(**dataset_val_cfg['cityscapes'])
val_sampler = torch.utils.data.distributed.DistributedSampler(
val_set)
val_loader = DataLoader(val_set,
batch_size=max(1,
args.batch_size // 4),
shuffle=False,
sampler=val_sampler,
num_workers=args.workers,
pin_memory=True,
drop_last=False)
elif args.autodeeplab == 'train_seg_panoptic':
dataset_cfg = {
'cityscapes_panoptic':
dict(root=args.data_path,
split='train',
is_train=True,
crop_size=(args.image_height, args.image_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
semantic_only=False,
ignore_stuff_in_offset=True,
small_instance_area=4096,
small_instance_weight=3)
}
train_set = CityscapesPanoptic(
**dataset_cfg['cityscapes_panoptic'])
num_class = train_set.num_classes
train_sampler = torch.utils.data.distributed.DistributedSampler(
train_set)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=False,
sampler=train_sampler,
**kwargs)
dataset_val_cfg = {
'cityscapes_panoptic':
dict(root=args.data_path,
split='val',
is_train=False,
crop_size=(args.eval_height, args.eval_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
semantic_only=False,
ignore_stuff_in_offset=True,
small_instance_area=4096,
small_instance_weight=3)
}
val_set = Cityscapes(**dataset_val_cfg['cityscapes_panoptic'])
val_sampler = torch.utils.data.distributed.DistributedSampler(
val_set)
val_loader = DataLoader(val_set,
batch_size=max(1,
args.batch_size // 4),
shuffle=False,
sampler=val_sampler,
num_workers=args.workers,
pin_memory=True,
drop_last=False)
else:
raise Exception('autodeeplab param not set properly')
return train_loader, train_sampler, val_loader, val_sampler, num_class
elif args.dataset == 'coco':
if args.autodeeplab == 'train_seg_panoptic':
dataset_cfg = {
'coco_panoptic':
dict(root=args.data_path,
split='train2017',
is_train=True,
min_resize_value=args.image_height,
max_resize_value=args.image_height,
resize_factor=32,
crop_size=(args.image_height, args.image_width),
mirror=True,
min_scale=0.5,
max_scale=1.5,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
semantic_only=False,
ignore_stuff_in_offset=True,
small_instance_area=4096,
small_instance_weight=3)
}
train_set = COCOPanoptic(**dataset_cfg['coco_panoptic'])
num_class = train_set.num_classes
train_sampler = torch.utils.data.distributed.DistributedSampler(
train_set)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=False,
sampler=train_sampler,
**kwargs)
# train_set = coco.COCOSegmentation(args, root, split='train')
# root=args.data_path
# val_set = coco.COCOSegmentation(args, root, split='val')
dataset_val_cfg = {
'coco_panoptic':
dict(root=args.data_path,
split='val2017',
is_train=True,
min_resize_value=args.image_height,
max_resize_value=args.image_height,
resize_factor=32,
crop_size=(args.eval_height, args.eval_width),
mirror=False,
min_scale=1,
max_scale=1,
scale_step_size=0,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
semantic_only=False,
ignore_stuff_in_offset=True,
small_instance_area=4096,
small_instance_weight=3)
}
val_set = COCOPanoptic(**dataset_val_cfg['coco_panoptic'])
val_sampler = torch.utils.data.distributed.DistributedSampler(
val_set)
val_loader = DataLoader(val_set,
batch_size=args.batch_size * 4,
shuffle=False,
sampler=val_sampler,
num_workers=args.workers,
pin_memory=True,
drop_last=False)
return train_loader, train_sampler, val_loader, val_sampler, num_class
else:
raise NotImplementedError
else:
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, root, split='train')
val_set = pascal.VOCSegmentation(args, root, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args,
root,
split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
if args.autodeeplab == 'train_seg':
dataset_cfg = {
'cityscapes':
dict(root=args.data_path,
split='train',
is_train=True,
crop_size=(args.image_height, args.image_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225))
}
train_set = Cityscapes(**dataset_cfg['cityscapes'])
num_class = train_set.num_classes
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
dataset_val_cfg = {
'cityscapes':
dict(root=args.data_path,
split='val',
is_train=False,
crop_size=(args.eval_height, args.eval_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225))
}
val_set = Cityscapes(**dataset_val_cfg['cityscapes'])
val_loader = DataLoader(val_set,
batch_size=max(1,
args.batch_size // 4),
shuffle=False,
num_workers=args.workers,
pin_memory=True,
drop_last=False)
elif args.autodeeplab == 'train_seg_panoptic':
dataset_cfg = {
'cityscapes_panoptic':
dict(root=args.data_path,
split='train',
is_train=True,
crop_size=(args.image_height, args.image_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
semantic_only=False,
ignore_stuff_in_offset=True,
small_instance_area=4096,
small_instance_weight=3)
}
train_set = CityscapesPanoptic(
**dataset_cfg['cityscapes_panoptic'])
num_class = train_set.num_classes
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
dataset_val_cfg = {
'cityscapes_panoptic':
dict(root=args.data_path,
split='val',
is_train=False,
crop_size=(args.eval_height, args.eval_width),
mirror=True,
min_scale=0.5,
max_scale=2.0,
scale_step_size=0.1,
mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
semantic_only=False,
ignore_stuff_in_offset=True,
small_instance_area=4096,
small_instance_weight=3)
}
val_set = Cityscapes(**dataset_val_cfg['cityscapes_panoptic'])
val_loader = DataLoader(val_set,
batch_size=max(1,
args.batch_size // 4),
shuffle=False,
num_workers=args.workers,
pin_memory=True,
drop_last=False)
else:
raise Exception('autodeeplab param not set properly')
return train_loader, val_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, root, split='train')
val_set = coco.COCOSegmentation(args, root, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
elif args.dataset == 'kd':
train_set = kd.CityscapesSegmentation(args, root, split='train')
val_set = kd.CityscapesSegmentation(args, root, split='val')
test_set = kd.CityscapesSegmentation(args, root, split='test')
num_class = train_set.NUM_CLASSES
train_loader1 = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader1, train_loader2, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'mydataset':
train_transform = transforms.Compose([
transforms.ColorJitter(brightness=0.5,
contrast=0.25,
saturation=0.25),
transforms.ToTensor(),
transforms.Normalize(
[0.519401, 0.359217, 0.310136],
[0.061113, 0.048637, 0.041166
]), #R_var is 0.061113, G_var is 0.048637, B_var is 0.041166
])
valid_transform = transforms.Compose([
transforms.ToTensor(),
transforms.Normalize(
[0.517446, 0.360147, 0.310427],
[0.061526, 0.049087, 0.041330
]) #R_var is 0.061526, G_var is 0.049087, B_var is 0.041330
])
train_set = mydataset.SegmentDataset(args,
split='train',
transform=train_transform)
valid_set = mydataset.SegmentDataset(args,
split='valid',
transform=valid_transform)
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
valid_loader = DataLoader(valid_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, valid_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'rsc':
train_set = rsc.RSCDataset(
r"/home/ma-user/work/RSC/data/train/images/",
r"/home/ma-user/work/RSC/data/train/labels/")
val_set = rsc.RSCDataset(r"/home/ma-user/work/RSC/data/val/images/",
r"/home/ma-user/work/RSC/data/val/labels/")
#train_set=rsc.RSCDataset(r"E:\huawei\data\train\images\\",r"E:\huawei\data\train\labels\\")
#val_set=rsc.RSCDataset(r"E:\huawei\data\val\images\\",r"E:\huawei\data\val\labels\\")
num_class = 2
test_loader = None
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
normalize = transform.Normalize(mean=[0.5, 0.5, 0.5],
std=[0.225, 0.225, 0.225])
transforms = transform.Compose([
transform.ToTensor(),
normalize,
])
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'mpgw':
train_set = SegmentDataset(cfg,
cfg["train_set"],
transforms=transforms)
val_set = SegmentDataset(cfg,
cfg["valid_set"],
is_train=False,
transforms=transforms)
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
if __name__ == "__main__":
import argparse
import matplotlib.pyplot as plt
import numpy as np
import torch
from dataloaders import sbd
from dataloaders.datasets import pascal, sbd
from dataloaders.utils import decode_segmap
parser = argparse.ArgumentParser()
args = parser.parse_args()
args.base_size = 513
args.crop_size = 513
pascal_voc_val = pascal.VOCSegmentation(args, split="val")
sbd = sbd.SBDSegmentation(args, split=["train", "val"])
pascal_voc_train = pascal.VOCSegmentation(args, split="train")
dataset = CombineDBs([pascal_voc_train, sbd], excluded=[pascal_voc_val])
dataloader = torch.utils.data.DataLoader(dataset,
batch_size=2,
shuffle=True,
num_workers=0)
for ii, sample in enumerate(dataloader):
for jj in range(sample["image"].size()[0]):
img = sample["image"].numpy()
gt = sample["label"].numpy()
tmp = np.array(gt[jj]).astype(np.uint8)
segmap = decode_segmap(tmp, dataset="pascal")
def make_data_loader(args, **kwargs):
"""
if args.dist:
print("=> Using Distribued Sampler")
if args.dataset == 'cityscapes':
if args.autodeeplab == 'search':
train_set1, train_set2 = cityscapes.twoTrainSeg(args)
num_class = train_set1.NUM_CLASSES
sampler1 = torch.utils.data.distributed.DistributedSampler(train_set1)
sampler2 = torch.utils.data.distributed.DistributedSampler(train_set2)
train_loader1 = DataLoader(train_set1, batch_size=args.batch_size, shuffle=False, sampler=sampler1, **kwargs)
train_loader2 = DataLoader(train_set2, batch_size=args.batch_size, shuffle=False, sampler=sampler2, **kwargs)
elif args.autodeeplab == 'train':
train_set = cityscapes.CityscapesSegmentation(args, split='retrain')
num_class = train_set.NUM_CLASSES
sampler1 = torch.utils.data.distributed.DistributedSampler(train_set)
train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=False, sampler=sampler1, **kwargs)
else:
raise Exception('autodeeplab param not set properly')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
sampler3 = torch.utils.data.distributed.DistributedSampler(val_set)
sampler4 = torch.utils.data.distributed.DistributedSampler(test_set)
val_loader = DataLoader(val_set, batch_size=args.batch_size, shuffle=False, sampler=sampler3, **kwargs)
test_loader = DataLoader(test_set, batch_size=args.batch_size, shuffle=False, sampler=sampler4, **kwargs)
if args.autodeeplab == 'search':
return train_loader1, train_loader2, val_loader, test_loader, num_class
elif args.autodeeplab == 'train':
return train_loader, num_class, sampler1
else:
raise NotImplementedError
else:
"""
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
if args.autodeeplab == 'search':
train_set1, train_set2 = cityscapes.twoTrainSeg(args)
num_class = train_set1.NUM_CLASSES
train_loader1 = DataLoader(train_set1,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set2,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
elif args.autodeeplab == 'train':
train_set = cityscapes.CityscapesSegmentation(args,
split='retrain')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
else:
raise Exception('autodeeplab param not set properly')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
if args.autodeeplab == 'search':
return train_loader1, train_loader2, val_loader, test_loader, num_class
elif args.autodeeplab == 'train':
return train_loader, num_class
elif args.dataset == 'custom':
if args.autodeeplab == 'search':
train_set1, train_set2 = custom.twoTrainSeg(args)
num_class = train_set1.NUM_CLASSES
train_loader1 = DataLoader(train_set1,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set2,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
elif args.autodeeplab == 'train':
train_set = custom.CustomSegmentation(args, split='retrain')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
else:
raise Exception('autodeeplab param not set properly')
val_set = custom.CustomSegmentation(args, split='val')
test_set = custom.CustomSegmentation(args, split='test')
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
if args.autodeeplab == 'search':
return train_loader1, train_loader2, val_loader, test_loader, num_class
elif args.autodeeplab == 'train':
return train_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
elif args.dataset == 'kd':
train_set = kd.CityscapesSegmentation(args, split='train')
val_set = kd.CityscapesSegmentation(args, split='val')
test_set = kd.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader1 = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader1, train_loader2, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
crop_size = args.crop_size
gt_size = args.gt_size
if args.dataset == 'pascal' or args.dataset == 'click':
composed_transforms_tr = transforms.Compose([
tr.RandomHorizontalFlip(),
tr.ScaleNRotate(rots=(-20, 20), scales=(.75, 1.25)),
tr.CropFromMask(crop_elems=('image', 'gt'),
relax=20,
zero_pad=True,
jitters_bound=(40, 70)),
tr.FixedResize(
resolutions={
'crop_image': (crop_size, crop_size),
'crop_gt': (gt_size, gt_size)
}),
tr.Normalize(elems='crop_image'),
tr.ToTensor()
])
composed_transforms_val = transforms.Compose([
tr.CropFromMask(crop_elems=('image', 'gt'),
relax=20,
zero_pad=True,
jitters_bound=(50, 51)),
tr.FixedResize(
resolutions={
'crop_image': (crop_size, crop_size),
'crop_gt': (gt_size, gt_size)
}),
tr.Normalize(elems='crop_image'),
tr.ToTensor()
])
train_set = pascal.VOCSegmentation(split='train',
transform=composed_transforms_tr)
if args.dataset == 'click':
train_set.reset_target_list(args)
val_set = pascal.VOCSegmentation(split='val',
transform=composed_transforms_val)
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
drop_last=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
NUM_CLASSES = 2
return train_loader, val_loader, test_loader, NUM_CLASSES
elif args.dataset == 'grabcut':
composed_transforms_val = transforms.Compose([
tr.CropFromMask(crop_elems=('image', 'gt'),
relax=20,
zero_pad=True,
jitters_bound=(50, 51)),
tr.FixedResize(
resolutions={
'crop_image': (crop_size, crop_size),
'crop_gt': (gt_size, gt_size)
}),
tr.Normalize(elems='crop_image'),
tr.ToTensor()
])
val_set = grab_berkeley_eval.GrabBerkely(
which='grabcut', transform=composed_transforms_val)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
train_loader = None
NUM_CLASSES = 2
return train_loader, val_loader, test_loader, NUM_CLASSES
elif args.dataset == 'bekeley':
composed_transforms_val = transforms.Compose([
tr.CropFromMask(crop_elems=('image', 'gt'),
relax=20,
zero_pad=True,
jitters_bound=(50, 51)),
tr.FixedResize(
resolutions={
'crop_image': (crop_size, crop_size),
'crop_gt': (gt_size, gt_size)
}),
tr.Normalize(elems='crop_image'),
tr.ToTensor()
])
val_set = grab_berkeley_eval.GrabBerkely(
which='bekeley', transform=composed_transforms_val)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
train_loader = None
NUM_CLASSES = 2
return train_loader, val_loader, test_loader, NUM_CLASSES
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
val_set = coco_eval.COCOSegmentation(split='val', cat=args.coco_part)
num_class = 2
train_loader = None
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
# elif args.dataset == 'click':
# train_set = click_dataset.ClickDataset(split='train')
# val_set = click_dataset.ClickDataset(split='val')
# num_class = 2
# train_loader = DataLoader(train_set, batch_size=args.batch_size, shuffle=True, **kwargs)
# val_loader = DataLoader(val_set, batch_size=args.batch_size, shuffle=False, **kwargs)
# test_loader = None
# return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'carvana':
dataset_params = {
'folds': args.folds,
'fold_num': args.fold,
}
transform_train = make_augmentation_transform(
'crop_fliplr_affine_color')
transform_valid = make_augmentation_transform('crop_fliplr')
train_set = dataset.CarvanaTrainDataset(**dataset_params,
mode='train',
transform=transform_train)
val_set = dataset.CarvanaTrainDataset(**dataset_params,
mode='valid',
transform=transform_valid)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set, batch_size=1, shuffle=False, **kwargs)
test_loader = None
return train_loader, val_loader, test_loader, 2
else:
raise NotImplementedError
if __name__ == "__main__":
import matplotlib.pyplot as plt
from dataloaders.datasets import pascal, sbd
from dataloaders import sbd
import torch
import numpy as np
from dataloaders.utils import decode_segmap
import argparse
parser = argparse.ArgumentParser()
args = parser.parse_args()
args.base_size = 513
args.crop_size = 513
pascal_voc_val = pascal.VOCSegmentation(args, split='val')
sbd = sbd.SBDSegmentation(args, split=['train', 'val'])
pascal_voc_train = pascal.VOCSegmentation(args, split='train')
dataset = CombineDBs([pascal_voc_train, sbd], excluded=[pascal_voc_val])
dataloader = torch.utils.data.DataLoader(dataset, batch_size=2, shuffle=True, num_workers=0)
for ii, sample in enumerate(dataloader):
for jj in range(sample["image"].size()[0]):
img = sample['image'].numpy()
gt = sample['label'].numpy()
tmp = np.array(gt[jj]).astype(np.uint8)
segmap = decode_segmap(tmp, dataset='pascal')
img_tmp = np.transpose(img[jj], axes=[1, 2, 0])
img_tmp *= (0.229, 0.224, 0.225)
img_tmp += (0.485, 0.456, 0.406)
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'rip':
classes = {'full': 7, 'level1': 2, 'level2': 3, 'level3': 5}
import os
from mypath import Path
data_root = Path.db_root_dir(args.dataset)
root = os.path.join(data_root, 'RipTrainingAllData')
patches, level = args.rip_mode.split('-')
if patches == 'patches':
patches = 'COCOJSONPatches'
elif patches == 'patches_v1':
patches = 'COCOJSONPatches_v1'
else:
patches = 'COCOJSONs'
# patches = 'COCOJSONPatches' if patches == 'patches' else 'COCOJSONs'
train_ann_file = os.path.join(data_root, patches, level, 'cv_5_fold',
'train_1.json')
val_ann_file = os.path.join(data_root, patches, level, 'cv_5_fold',
'val_1.json')
train_set = rip.RIPSegmentation(args,
split='train',
root=root,
ann_file=train_ann_file)
val_set = rip.RIPSegmentation(args,
split='val',
root=root,
ann_file=val_ann_file)
num_classes = classes[level]
# NOTE: drop_last=True here to avoid situation when batch_size=1 which causes BatchNorm2d errors
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
drop_last=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_classes
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
if args.autodeeplab == 'search':
train_set1, train_set2 = cityscapes.twoTrainSeg(args)
num_class = train_set1.NUM_CLASSES
train_loader1 = DataLoader(train_set1,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set2,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
elif args.autodeeplab == 'train':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
else:
raise Exception('autodeeplab param not set properly')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
if args.autodeeplab == 'search':
return train_loader1, train_loader2, val_loader, test_loader, num_class
elif args.autodeeplab == 'train':
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, train_loader, val_loader, test_loader, num_class
elif args.dataset == 'kd':
train_set = kd.CityscapesSegmentation(args, split='train')
val_set = kd.CityscapesSegmentation(args, split='val')
test_set = kd.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader1 = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
train_loader2 = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader1, train_loader2, val_loader, test_loader, num_class
else:
raise NotImplementedError
def make_data_loader(args, **kwargs):
if args.dataset == 'pascal':
train_set = pascal.VOCSegmentation(args, split='train')
val_set = pascal.VOCSegmentation(args, split='val')
if args.use_sbd:
sbd_train = sbd.SBDSegmentation(args, split=['train', 'val'])
train_set = combine_dbs.CombineDBs([train_set, sbd_train],
excluded=[val_set])
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'cityscapes':
train_set = cityscapes.CityscapesSegmentation(args, split='train')
val_set = cityscapes.CityscapesSegmentation(args, split='val')
test_set = cityscapes.CityscapesSegmentation(args, split='test')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'apollo' or args.dataset == 'apollo_seg':
num_class = args.num_class
min_depth = args.min_depth
max_depth = args.max_depth
train_n_val = apollo.ApolloDepthSegmentation(args,
split='train',
num_class=num_class,
min_depth=min_depth,
max_depth=max_depth)
n_train = int(train_n_val.__len__() * 0.8)
n_val = train_n_val.__len__() - n_train
train_set, val_set = random_split(train_n_val, [n_train, n_val])
# val_set = apollo.ApolloDepthSegmentation(args, split='val', num_class=num_class,
# min_depth=min_depth, max_depth=max_depth)
test_set = apollo.ApolloDepthSegmentation(args,
split='test',
num_class=num_class,
min_depth=min_depth,
max_depth=max_depth)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'farsight' or args.dataset == 'farsight_seg':
num_class = args.num_class
min_depth = args.min_depth
max_depth = args.max_depth
train_n_val = farsight.FarsightDepthSegmentation(args,
split='train',
num_class=num_class,
min_depth=min_depth,
max_depth=max_depth)
n_train = int(train_n_val.__len__() * 0.8)
n_val = train_n_val.__len__() - n_train
train_set, val_set = random_split(train_n_val, [n_train, n_val])
# val_set = farsight.FarsightDepthSegmentation(args, split='val', num_class=num_class,
# min_depth=min_depth, max_depth=max_depth)
test_set = farsight.FarsightDepthSegmentation(args,
split='test',
num_class=num_class,
min_depth=min_depth,
max_depth=max_depth)
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = DataLoader(test_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
return train_loader, val_loader, test_loader, num_class
elif args.dataset == 'coco':
train_set = coco.COCOSegmentation(args, split='train')
val_set = coco.COCOSegmentation(args, split='val')
num_class = train_set.NUM_CLASSES
train_loader = DataLoader(train_set,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(val_set,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
test_loader = None
return train_loader, val_loader, test_loader, num_class
else:
raise NotImplementedError
