code: def __init__(
      self,
      maxCorners=0,
      qualityLevel=0.01,
      minDistance=1,
      mask=None,
      blockSize=3,
      useHarrisDetector=False,
      k=0.04,
  ):
      self.maxCorners = maxCorners
      self.qualityLevel = qualityLevel
      self.minDistance = minDistance
      self.mask = mask
      self.blockSize = blockSize
      self.useHarrisDetector = useHarrisDetector
      self.k = k
  
imports: import cv2
  from .helpers import corners_to_keypoints
label_desc: Use image node_id 1 to create a new GFTT object  with example: obj = GFTT(maxCorners, qualityLevel, minDistance, mask, blockSize, useHarrisDetector, k)