There is no update from you for a period, assuming this is not an issue anymore. Hence we are closing this topic. If need further support, please open a new one. Thanks
if the person dose not move
if the person does not move, the bbox position will not change. you can set nvinfer’s interval to G_MAXINT to disable inference. please refer to this topic. if the person will move, the bbox position will change, you have to detect the face in each frame.