find_bibs.py 文件源码

def find_keypoints(img):
  # Initiate FAST object with default values
  fast = cv2.FastFeatureDetector()

  # find and draw the keypoints
  kp = fast.detect(img,None)
  img2 = cv2.drawKeypoints(img, kp, color=(255,0,0))

  # Print all default params
  print "Threshold: ", fast.getInt('threshold')
  print "nonmaxSuppression: ", fast.getBool('nonmaxSuppression')
  #print "neighborhood: ", fast.getInt('type')
  print "Total Keypoints with nonmaxSuppression: ", len(kp)

  cv2.imwrite('fast_true.png',img2)