def test_transform(args, image):
input_size1 = 512
input_size2 = 448
if int(args.subset) == 0 or int(args.subset) == 192:
transform = transforms.Compose([
transforms.Resize(input_size1),
transforms.CenterCrop(input_size2),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_upscaled_static_mean,
train_upscaled_static_std,
)
])
else:
transform = transforms.Compose([
transforms.Resize(input_size1),
transforms.CenterCrop(input_size2),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset),
transforms.Aggregate(),
transforms.NormalizeDCT(train_upscaled_static_mean,
train_upscaled_static_std,
channels=args.subset)
])
return transform
def trainloader_dct_subset(args):
traindir = os.path.join(args.data, 'train')
train_dataset = ImageFolderDCT(traindir, transforms.Compose([
transforms.RandomResizedCrop(224),
transforms.RandomHorizontalFlip(),
transforms.TransformDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(args.subset_channels),
transforms.NormalizeDCT(
train_y_mean, train_y_std,
train_cb_mean, train_cb_std,
train_cr_mean, train_cr_std),
]))
if args.distributed:
train_sampler = torch.utils.data.distributed.DistributedSampler(train_dataset)
else:
train_sampler = None
train_loader = torch.utils.data.DataLoader(
train_dataset,
batch_size=args.train_batch, shuffle=(train_sampler is None),
num_workers=args.workers, pin_memory=True, sampler=train_sampler)
train_loader_len = len(train_loader)
return train_loader, train_sampler, train_loader_len
def trainloader_dct_resized(args):
traindir = os.path.join(args.data, 'train')
train_dataset = ImageFolderDCT(traindir, transforms.Compose([
transforms.RandomResizedCrop(224),
transforms.RandomHorizontalFlip(),
transforms.TransformDCT(), # 28x28x192
transforms.DCTFlatten2D(),
transforms.UpsampleDCT(upscale_ratio_h=4, upscale_ratio_w=4, debug=False),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_dct_subset_mean,
train_dct_subset_std,
channels=args.subset
)
]))
if args.distributed:
train_sampler = torch.utils.data.distributed.DistributedSampler(train_dataset)
else:
train_sampler = None
train_loader = torch.utils.data.DataLoader(
train_dataset,
batch_size=args.train_batch, shuffle=(train_sampler is None),
num_workers=args.workers, pin_memory=True, sampler=train_sampler)
train_loader_len = len(train_loader)
return train_loader, train_sampler, train_loader_len
def valloader_upscaled_static(args, model='mobilenet'):
valdir = os.path.join(args.data, 'val')
if model == 'mobilenet':
input_size1 = 1024
input_size2 = 896
elif model == 'resnet':
input_size1 = 512
input_size2 = 448
else:
raise NotImplementedError
transform = transforms.Compose([
transforms.Resize(input_size1),
transforms.CenterCrop(input_size2),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset, pattern=args.pattern),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_upscaled_static_mean,
train_upscaled_static_std,
channels=args.subset,
pattern=args.pattern
)
])
val_loader = torch.utils.data.DataLoader(
ImageFolderDCT(valdir, transform),
batch_size=args.test_batch, shuffle=False,
num_workers=args.workers, pin_memory=True)
return val_loader
def trainloader_upscaled_static(args, model='mobilenet'):
valdir = os.path.join(args.data, 'train')
if model == 'mobilenet':
input_size1 = 1024
input_size2 = 896
elif model == 'resnet':
input_size1 = 512
input_size2 = 448
else:
raise NotImplementedError
if int(args.subset) == 0 or int(args.subset) == 192:
transform = transforms.Compose([
enhance.random_crop(),
enhance.horizontal_flip(),
enhance.vertical_flip(),
enhance.random_rotation(),
enhance.tocv2(),
transforms.Resize(input_size1),
transforms.CenterCrop(input_size2),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_upscaled_static_mean,
train_upscaled_static_std,
)
])
else:
transform = transforms.Compose([
enhance.random_crop(),
enhance.horizontal_flip(),
enhance.vertical_flip(),
enhance.random_rotation(),
enhance.tocv2(),
transforms.Resize(input_size1),
transforms.CenterCrop(input_size2),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset),
transforms.Aggregate(),
transforms.NormalizeDCT(train_upscaled_static_mean,
train_upscaled_static_std,
channels=args.subset)
])
dset = ImageFolderDCT(valdir, transform, backend='pil')
val_loader = torch.utils.data.DataLoader(dset,
batch_size=args.train_batch,
shuffle=True,
num_workers=args.workers,
pin_memory=True)
return val_loader, len(dset), dset.get_clsnum()
def test(model):
# bar = Bar('Processing', max=len(val_loader))
# batch_time = AverageMeter()
# data_time = AverageMeter()
# losses = AverageMeter()
# top1 = AverageMeter()
# top5 = AverageMeter()
# switch to evaluate mode
model.eval()
csvfile = open('./csv.csv', 'w')
writer = csv.writer(csvfile)
test_root = './data/test/'
img_test = os.listdir(test_root)
img_test.sort(key=lambda x: int(x[:-4]))
input_size1 = 512
input_size2 = 448
transform = transforms.Compose([
transforms.Resize(input_size1),
transforms.CenterCrop(input_size2),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset),
transforms.Aggregate(),
transforms.NormalizeDCT(train_upscaled_static_mean,
train_upscaled_static_std,
channels=args.subset)
])
with torch.no_grad():
# end = time.time()
for i in range(len(img_test)):
model.eval()
# measure data loading time
# data_time.update(time.time() - end)
# image, target = image.cuda(non_blocking=True), target.cuda(
# non_blocking=True)
image = cv2.imread(str(test_root + img_test[i]))
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
# print(transform(image)[0])
# print(type(transform(image)[0]))
# compute output
output = model(transform(image)[0].unsqueeze(dim=0))
#print(output)
_, pred = torch.max(output.data, 1)
print(i, pred.tolist()[0])
writer.writerow([i, pred.tolist()[0]])
def folder2lmdb(dpath, name="train", write_frequency=1):
directory = osp.expanduser(osp.join(dpath, name))
print("Loading dataset from %s" % directory)
dataset = ImageFolderDCT('/ILSVRC2012/train',
transforms.Compose([
transforms.DCTFlatten2D(),
transforms.UpsampleDCT(upscale_ratio_h=4,
upscale_ratio_w=4,
debug=False),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=32),
]),
backend='dct')
data_loader = torch.utils.data.DataLoader(
dataset,
num_workers=0,
)
lmdb_path = osp.join(dpath, "%s.lmdb" % name)
isdir = os.path.isdir(lmdb_path)
print("Generate LMDB to %s" % lmdb_path)
db = lmdb.open(
lmdb_path,
subdir=isdir,
map_size=1281167 * 224 * 224 * 32 * 10,
readonly=False,
# map_size=1099511627776 * 2, readonly=False,
meminit=False,
map_async=True)
txn = db.begin(write=True)
for idx, (image, label) in enumerate(data_loader):
image = image.numpy()
label = label.numpy()
txn.put(u'{}'.format(idx).encode('ascii'),
dumps_pyarrow((bz2.compress(image), label)))
if idx % write_frequency == 0:
print("[%d/%d]" % (idx, len(data_loader)))
txn.commit()
txn = db.begin(write=True)
# finish iterating through dataset
txn.commit()
keys = [u'{}'.format(k).encode('ascii') for k in range(idx + 1)]
with db.begin(write=True) as txn:
txn.put(b'__keys__', dumps_pyarrow(keys))
txn.put(b'__len__', dumps_pyarrow(len(keys)))
print("Flushing database ...")
db.sync()
db.close()
def get_composed_transform_dct(self, aug=False, filter_size=8):
# print("aug: ", aug)
# print("filter size,", filter_size)
if aug == False:
transform = transforms_dct.Compose([ #transform_funcs,
transforms_dct.Resize(int(filter_size * 56 * 1.15)),
transforms_dct.CenterCrop(filter_size * 56),
transforms_dct.GetDCT(filter_size),
transforms_dct.UpScaleDCT(size=56),
transforms_dct.ToTensorDCT(),
transforms_dct.SubsetDCT(channels=24),
transforms_dct.Aggregate(),
transforms_dct.NormalizeDCT(
# train_y_mean_resized, train_y_std_resized,
# train_cb_mean_resized, train_cb_std_resized,
# train_cr_mean_resized, train_cr_std_resized),
train_upscaled_static_mean,
train_upscaled_static_std,
channels=24)
#transforms_dct.Aggregate()
])
else:
transform = transforms_dct.Compose([ #transform_funcs,
transforms_dct.RandomResizedCrop(filter_size * 56),
transforms_dct.ImageJitter(self.jitter_param),
transforms_dct.RandomHorizontalFlip(),
transforms_dct.GetDCT(filter_size),
transforms_dct.UpScaleDCT(size=56),
transforms_dct.ToTensorDCT(),
transforms_dct.SubsetDCT(channels=24),
transforms_dct.Aggregate(),
transforms_dct.NormalizeDCT(
# train_y_mean_resized, train_y_std_resized,
# train_cb_mean_resized, train_cb_std_resized,
# train_cr_mean_resized, train_cr_std_resized),
train_upscaled_static_mean,
train_upscaled_static_std,
channels=24)
])
return transform
def cvt_transform(self, img):
return cvtransforms.Compose([
cvtransforms.RandomResizedCrop(self.img_size),
# cvtransforms.RandomHorizontalFlip(),
cvtransforms.Upscale(upscale_factor=2),
cvtransforms.TransformUpscaledDCT(),
cvtransforms.ToTensorDCT(),
cvtransforms.SubsetDCT(channels=192),
cvtransforms.Aggregate(),
cvtransforms.NormalizeDCT(train_upscaled_static_mean,
train_upscaled_static_std,
channels=192)
])(img)
def valloader_dct_subset(args):
valdir = os.path.join(args.data, 'val')
val_loader = torch.utils.data.DataLoader(
ImageFolderDCT(valdir, transforms.Compose([
transforms.Resize(256),
transforms.CenterCrop(224),
transforms.TransformDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(args.subset_channels),
transforms.NormalizeDCT(
train_y_mean, train_y_std,
train_cb_mean, train_cb_std,
train_cr_mean, train_cr_std),
])),
batch_size=args.test_batch, shuffle=False,
num_workers=args.workers, pin_memory=True)
return val_loader
def trainloader_upscaled_static(args, model='mobilenet'):
traindir = os.path.join(args.data, 'train')
if model == 'mobilenet':
input_size = 896
elif model == 'resnet':
input_size = 448
else:
raise NotImplementedError
transform = transforms.Compose([
transforms.RandomResizedCrop(input_size),
transforms.RandomHorizontalFlip(),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset, pattern=args.pattern),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_upscaled_static_mean,
train_upscaled_static_std,
channels=args.subset,
pattern=args.pattern
)
])
train_dataset = ImageFolderDCT(traindir, transform)
if args.distributed:
train_sampler = torch.utils.data.distributed.DistributedSampler(train_dataset)
else:
train_sampler = None
train_loader = torch.utils.data.DataLoader(
train_dataset,
batch_size=args.train_batch, shuffle=(train_sampler is None),
num_workers=args.workers, pin_memory=True, sampler=train_sampler)
train_loader_len = len(train_loader)
return train_loader, train_sampler, train_loader_len
def valloader_dct_resized(args):
valdir = os.path.join(args.data, 'val')
val_loader = torch.utils.data.DataLoader(
ImageFolderDCT(valdir, transforms.Compose([
transforms.Resize(256),
transforms.CenterCrop(224),
transforms.TransformDCT(), # 28x28x192
transforms.DCTFlatten2D(),
transforms.UpsampleDCT(upscale_ratio_h=4, upscale_ratio_w=4, debug=False),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels=args.subset),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_dct_subset_mean,
train_dct_subset_std,
channels=args.subset
)
])),
batch_size=args.test_batch, shuffle=False,
num_workers=args.workers, pin_memory=True)
return val_loader
# transform3 =transforms.Compose([
# transforms.RandomResizedCrop(224),
# transforms.RandomHorizontalFlip(),
# transforms.ResizedTransformDCT(),
# transforms.ToTensorDCT(),
# transforms.SubsetDCT(32),
# ])
transform4 = transforms.Compose([
transforms.RandomResizedCrop(896),
transforms.RandomHorizontalFlip(),
transforms.Upscale(upscale_factor=2),
transforms.TransformUpscaledDCT(),
transforms.ToTensorDCT(),
transforms.SubsetDCT(channels='24'),
transforms.Aggregate(),
transforms.NormalizeDCT(
train_upscaled_static_mean,
train_upscaled_static_std,
channels='24'
)
])
transform5 = transforms.Compose([
transforms.DCTFlatten2D(),
transforms.UpsampleDCT(size_threshold=112 * 8, T=112 * 8, debug=False),
transforms.SubsetDCT2(channels='32'),
transforms.Aggregate2(),
transforms.RandomResizedCropDCT(112),
transforms.RandomHorizontalFlip(),