sift_matcher.py 文件源码

def get_features_good(self, frame_gray):
        """
        Jianbo Shi and Carlo Tomasi wrote a paper in 1994 called
        "Good features to track", so now it's called that in OpenCV.
        """
        strong_corners = cv2.goodFeaturesToTrack(
            frame_gray,
            mask=None,
            **self.feature_params
        )

        return strong_corners