Utils
load_json
def load_json(file_path)
save_json
def save_json(data, target_file)
random_crop
def random_crop(img, crop_dims)
random_horizontal_flip
def random_horizontal_flip(img)
load_image
def load_image(img_file, target_size)
normalize_labels
def normalize_labels(labels)
calc_mean_score
def calc_mean_score(score_dist)
ensure_dir_exists
def ensure_dir_exists(dir)