feature_detection.py 文件源码

def get_detector(detector='dense', step=4, levels=7, scale=np.sqrt(2)): 
    """ Get opencv dense-sampler or specific feature detector """
    if detector == 'dense': 
        return get_dense_detector(step=step, levels=levels, scale=scale)
    else: 
        detector = cv2.FeatureDetector_create(detector)
        return cv2.PyramidAdaptedFeatureDetector(detector, maxLevel=levels)