feature_detection.py 文件源码

def get_dense_detector(step=4, levels=7, scale=np.sqrt(2)): 
    """
    Standalone dense detector instantiation
    """
    detector = cv2.FeatureDetector_create('Dense')
    detector.setInt('initXyStep', step)
    # detector.setDouble('initFeatureScale', 0.5)

    detector.setDouble('featureScaleMul', scale)
    detector.setInt('featureScaleLevels', levels)

    detector.setBool('varyImgBoundWithScale', True)
    detector.setBool('varyXyStepWithScale', False)

    # detector = cv2.PyramidAdaptedFeatureDetector(detector, maxLevel=4)
    return detector