def process_camera(camera):
# crop the ROI for removing husky front part
camera = CvBridge().imgmsg_to_cv2(camera, 'bgr8')[:170, :]
camera = cv2.resize(camera, (32, 32))
camera = cv2.cvtColor(camera, cv2.COLOR_BGR2GRAY)
camera = camera.flatten().astype(np.float32)
return camera
