zumi - 23. FAST

영상 특징 FAST

 

ref : https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_feature2d/py_fast/py_fast.html#fast

ref : https://throwexception.tistory.com/831?category=873104

 

 

import numpy as np
import cv2

cap = cv2.VideoCapture(0)
while(True):
    ret, frame = cap.read()
    frame = cv2.flip(frame, 0)
    rsz = cv2.resize(frame, dsize=(320,240))
    gray = cv2.cvtColor(rsz, cv2.COLOR_BGR2GRAY)

    # Initiate FAST object with default values
    fast = cv2.FastFeatureDetector_create()

    # find and draw the keypoints
    kp = fast.detect(gray,None)
    gray = cv2.drawKeypoints(gray, kp, gray)

    cv2.imshow('res',gray)
    if cv2.waitKey(20) & 0xFF == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()