added cuda extension for efficent implementation

core/utils/frame_utils.py

@@ -2,7 +2,10 @@ import numpy as np
 from PIL import Image
 from os.path import *
 import re
+
 import cv2
+cv2.setNumThreads(0)
+cv2.ocl.setUseOpenCL(False)
 
 TAG_CHAR = np.array([202021.25], np.float32)