Feature points (CV)

feature_points.py

import cv2
import numpy as np

file = "image.jpg"
img = cv2.imread(file)

[
    cv2.circle(img, (np.int32(ppt)), 5, (0, 255, 0), 1)
    for ppt in [
        (int(points.pt[0]), int(points.pt[1]))
        for points in [
            keypoints
            for keypoints in cv2.SIFT_create(500).detectAndCompute(
                cv2.cvtColor(img, cv2.COLOR_BGR2GRAY), None
            )
        ][0]
    ]
]

cv2.imshow("image", img)
cv2.waitKey(0)
cv2.destroyAllWindows()