def get_transform(image):
seq = []
if image.shape[0] >= image.shape[1]:
seq.append(iaa.Resize({"height": 480, "width": "keep-aspect-ratio"}))
if image.shape[1] / image.shape[1] * 480. > 640.:
seq.append(
iaa.Resize({
"width": 640,
"height": "keep-aspect-ratio"
}))
if image.shape[0] < image.shape[1]:
seq.append(iaa.Resize({"width": 640, "height": "keep-aspect-ratio"}))
if image.shape[0] / image.shape[1] * 640. > 480.:
seq.append(
iaa.Resize({
"height": 480,
"width": "keep-aspect-ratio"
}))
seq.append(iaa.CenterPadToFixedSize(
height=480,
width=640,
))
return iaa.Sequential(seq)
def __augment_img(self, img):
'Scale, pad, and augment the image.'
w = img.shape[0]
h = img.shape[1]
scale = min(self.dim[0] / w, self.dim[1] / h) # choose whichever scales down the most
seq = iaa.Sequential([
iaa.Resize(float(scale)),
iaa.CenterPadToFixedSize(width=self.dim[0], height=self.dim[1]),
iaa.Fliplr(0.5),
iaa.Affine(rotate=[0,90,180,270]),
])
img = seq(image=img) / 255 # 0 to 1 range
return img
# depth = cv2.imread(args.path_depth, cv2.IMREAD_UNCHANGED).astype(np.float32) / 100
depth = read_depth(args.path_depth, args.dataset, args.max_depth)
else:
depth = np.ones((img.shape[0], img.shape[1]), dtype=np.float32)
if args.path_lidar != '':
# lidar = cv2.imread(args.path_lidar, cv2.IMREAD_UNCHANGED).astype(np.float32) / 100
lidar = read_depth(args.path_lidar, args.dataset, args.max_depth)
else:
lidar = to_sparse(image=depth)
# pad为网络可输入的大小
mul_times = 32
h_ori, w_ori = img.shape[0], img.shape[1]
h_pad = int(np.ceil(h_ori / mul_times) * mul_times)
w_pad = int(np.ceil(w_ori / mul_times) * mul_times)
img = iaa.CenterPadToFixedSize(height=h_pad, width=w_pad)(image=img)
lidar = iaa.CenterPadToFixedSize(height=h_pad, width=w_pad)(image=lidar)
depth = iaa.CenterPadToFixedSize(height=h_pad, width=w_pad)(image=depth)
# 标准化
img = img_process(img.copy()).unsqueeze(0)
depth = to_tensor(depth.copy()).unsqueeze(0)
lidar = to_tensor(lidar.copy()).unsqueeze(0)
# 定义网络等
device_str = "cpu" if args.gpu is None else "cuda:{}".format(args.gpu)
device = torch.device(device_str if torch.cuda.is_available() else "cpu")
torch.cuda.set_device(args.gpu)
torch.backends.cudnn.benchmark = True
# model = BtsModel(args.max_depth, args.encoder).to(device)
def __getitem__(self, index):
sample_path = self.data_list[index].split()
img = Image.open(os.path.join(
self.dir_imgs, sample_path[self.idx_img])).convert("RGB")
lidar = None
depth = None
item = []
if self.mode == 'train':
depth = read_depth(
os.path.join(self.dir_imgs, sample_path[self.idx_depth]),
self.dataset_name, self.max_depth)
if self.lidar_exist:
lidar = read_depth(
os.path.join(self.dir_imgs, sample_path[self.idx_lidar]),
self.dataset_name, self.max_depth)
else:
if self.gen_sparse_online:
lidar = self.to_sparse(image=depth)
else:
lidar = self.lidar_persudo
# show(depth), show(lidar), show(img)
# 增强
rsz_size = img.size[::
-1] if self.resize_size is None else self.resize_size # h*w
crp_size = img.size[::
-1] if self.crop_size is None else self.crop_size # h*w
depth_rsz = transforms.Compose(
[transforms.ToPILImage(),
transforms.Resize(rsz_size, 0)]) # 不用插值
img = transforms.Resize(rsz_size)(img) # 默认resize为双线性插值
depth = depth_rsz(depth)
lidar = depth_rsz(lidar)
# kitti的上部没有值，先裁剪掉
if self.dataset_name == 'kitti':
img = F.crop(img, rsz_size[0] - crp_size[0], 0, crp_size[0],
rsz_size[1])
depth = F.crop(depth, rsz_size[0] - crp_size[0], 0,
crp_size[0], rsz_size[1])
lidar = F.crop(lidar, rsz_size[0] - crp_size[0], 0,
crp_size[0], rsz_size[1])
img = np.asarray(img, dtype=np.float32) / 255.0
depth = np.asarray(depth)
lidar = np.asarray(lidar)
# li = cv2.resize(lidar.astype(np.uint16), rsz_size[::-1], 0) # opencv的resize会增大稀疏点的比例
if self.aug:
img, depth, lidar = self.augment_3(img, depth, lidar, crp_size,
self.degree)
# 标准化
img = self.img_process(img.copy())
depth = self.to_tensor(depth.copy())
lidar = self.to_tensor(lidar.copy())
item = [img, lidar, depth]
elif self.mode == 'val':
depth = read_depth(
os.path.join(self.dir_imgs, sample_path[self.idx_depth]),
self.dataset_name, self.max_depth)
if self.lidar_exist:
lidar = read_depth(
os.path.join(self.dir_imgs, sample_path[self.idx_lidar]),
self.dataset_name, self.max_depth)
else:
if self.gen_sparse_online:
lidar = self.to_sparse(image=depth)
else:
lidar = self.lidar_persudo
img = np.asarray(img, dtype=np.float32) / 255.0
# pad为网络可输入的大小
h_ori, w_ori = img.shape[0], img.shape[1]
h_pad = int(np.ceil(h_ori / self.mul_times) * self.mul_times)
w_pad = int(np.ceil(w_ori / self.mul_times) * self.mul_times)
img = iaa.CenterPadToFixedSize(height=h_pad,
width=w_pad)(image=img)
lidar = iaa.CenterPadToFixedSize(height=h_pad,
width=w_pad)(image=lidar)
depth = iaa.CenterPadToFixedSize(height=h_pad,
width=w_pad)(image=depth)
lidar = lidar.astype(np.float32)
depth = depth.astype(np.float32)
# 标准化
img = self.img_process(img.copy())
depth = self.to_tensor(depth.copy())
lidar = self.to_tensor(lidar.copy())
item = [img, lidar, depth]
elif self.mode == 'test':
if self.lidar_exist:
lidar = read_depth(
os.path.join(self.dir_imgs, sample_path[self.idx_lidar]),
self.dataset_name, self.max_depth)
else:
lidar = self.lidar_persudo
img = np.asarray(img, dtype=np.float32) / 255.0
# pad为网络可输入的大小
h_ori, w_ori = img.shape[0], img.shape[1]
h_pad = int(np.ceil(h_ori / self.mul_times) * self.mul_times)
w_pad = int(np.ceil(w_ori / self.mul_times) * self.mul_times)
img = iaa.CenterPadToFixedSize(height=h_pad,
width=w_pad)(image=img)
lidar = iaa.CenterPadToFixedSize(height=h_pad,
width=w_pad)(image=lidar)
lidar = lidar.astype(np.float32)
# 标准化
img = self.img_process(img.copy())
lidar = self.to_tensor(lidar.copy())
item = [img, lidar, lidar]
return item
elif augmentation == 'pad_to_powers_of':
transform = iaa.CropToMultiplesOf(height_multiple=32, width_multiple=32)
transformed_image = transform(image=image)
elif augmentation == 'pad_to_aspect_ratio':
transform = iaa.PadToAspectRatio(2.0)
transformed_image = transform(image=image)
elif augmentation == 'pad_to_square':
transform = Resize(always_apply=True, height=200, width=400)
transformed_image = transform(image=image)['image']
transform = iaa.PadToSquare()
transformed_image = transform(image=transformed_image)
elif augmentation == 'center_pad_to_fixed_size':
transform = iaa.CenterPadToFixedSize(width=1000, height=1000)
transformed_image = transform(image=image)
elif augmentation == 'center_pad_to_multiples_of':
transform = iaa.CenterPadToPowersOf(height_base=3, width_base=2)
transformed_image = transform(image=image)
elif augmentation == 'center_pad_to_powers_of':
transform = iaa.CenterPadToMultiplesOf(height_multiple=32, width_multiple=32)
transformed_image = transform(image=image)
elif augmentation == 'center_pad_to_aspect_ratio':
transform = iaa.CenterPadToAspectRatio(2.0)
transformed_image = transform(image=image)
elif augmentation == 'center_pad_to_square':
# NYU
depth_proj = depth.astype(np.float32) / 1000 * 256
depth_proj = depth_proj.astype(np.uint16)
# OB
# depth[depth > 5000] = 5000
# depth_proj = depth.astype(np.float32) / 100 * 256
# depth_proj = depth_proj.astype(np.uint16)
# KITTI
# depth_proj = depth
crop_h = 352
crop_w = 1216
seq1 = iaa.Sequential([
iaa.CenterPadToFixedSize(height=crop_h, width=crop_w), # 保证可crop
iaa.CenterCropToFixedSize(height=crop_h, width=crop_w),
], random_order=True)
seq2 = iaa.Sequential([
# iaa.CoarseDropout(0.19, size_px=200),
iaa.Dropout(1-0.05),
], random_order=True)
img_aug = seq1(image=img)
# depth_aug = seq1(image=depth_proj)
depth_aug = seq1(image=seq2(image=depth_proj))
show(img_aug)
show(depth)
show(depth_aug)
def main(args):
print("Hello world!")
dataset_name = args.dataset
dataset = os.path.join('/home/ubuntu/workspace_aihub/data/raw/',
dataset_name)
class_wise = glob(os.path.join(dataset, '*'))
for per_class_dir in tqdm(class_wise):
datas = glob(os.path.join(per_class_dir, '*'))
for file in tqdm(datas):
if file.split('.')[-1] != 'json':
continue
base_name = file.strip('.json')
image_file = None
if os.path.isfile(base_name + '.jpg'):
image_file = base_name + '.jpg'
if os.path.isfile(base_name + '.JPG'):
image_file = base_name + '.JPG'
if image_file is None:
print('no image')
continue
conf = OmegaConf.create()
image = cv2.imread(image_file)
if image is None:
print('no image!')
continue
if len(image.shape) != 3:
print('this image dose not have 3 chennels')
with open(file) as json_file:
json_data = json.load(json_file)
if len(json_data['regions']) != 1:
print('this regin has more than 1 bbx')
print(json_data['regions'])
conf['regions'] = json_data['regions']
x1 = json_data['regions'][0]['boxcorners'][0]
y1 = json_data['regions'][0]['boxcorners'][1]
x2 = json_data['regions'][0]['boxcorners'][2]
y2 = json_data['regions'][0]['boxcorners'][3]
bbs = BoundingBoxesOnImage(
[BoundingBox(x1=x1, y1=y1, x2=x2, y2=y2)],
shape=image.shape)
if image.shape[0] > image.shape[1]:
seq = iaa.Sequential([
iaa.Resize({
"height": 480,
"width": "keep-aspect-ratio"
}),
iaa.CenterPadToFixedSize(
height=480,
width=640,
)
])
else:
seq = iaa.Sequential([
iaa.Resize({
"width": 640,
"height": "keep-aspect-ratio"
}),
iaa.CenterPadToFixedSize(
height=480,
width=640,
)
])
#image = np.transpose(image, (1,0,2))
image_aug, bbs_aug = seq(image=image, bounding_boxes=bbs)
x1 = int(bbs_aug[0].x1)
y1 = int(bbs_aug[0].y1)
x2 = int(bbs_aug[0].x2)
y2 = int(bbs_aug[0].y2)
conf['bbox'] = {}
conf['bbox']['x1'] = x1
conf['bbox']['y1'] = y1
conf['bbox']['x2'] = x2
conf['bbox']['y2'] = y2
rand_number = random.randint(0, 9)
if rand_number == 0:
mode = 'test2'
elif rand_number == 1:
mode = 'val2'
else:
mode = 'train2'
base_name = (os.path.basename(base_name)).replace('-', '_')
label = base_name.split('_')[0]
dst_path = os.path.join(
'/home/ubuntu/workspace_aihub/data/refined', mode, label)
if not os.path.isdir(dst_path):
os.mkdir(dst_path)
OmegaConf.save(
conf,
os.path.join(dst_path,
f'{os.path.basename(base_name)}.yaml'))
cv2.imwrite(
os.path.join(dst_path,
f'{os.path.basename(base_name)}.jpg'),
image_aug)