How to reduce Respiratory effect of h264 and h265

I’m using tx2nx to encoder h265, But I find that when I display a complex and static picture, the video will flash while the picture is I frame. The picture is here

Hi,
Please try this setting:
Stream H264 over RTSP using nvv4l2h264enc using Gstreamer (Getting corrupted frames) - #5 by DaneLLL