inference.py 文件源码

def load_detection_model(model_path='/usr/local/opt/opencv3/share/OpenCV/haarcascades/haarcascade_frontalface_default.xml'):
    if not os.path.exists(model_path):
        # Try alternative file path
        local_cascade_path = 'face.xml'
        if not os.path.exists(local_cascade_path):
            raise NameError('File not found:', local_cascade_path)
        model_path = local_cascade_path
    detection_model = cv2.CascadeClassifier(model_path)
    return detection_model