How to Improve Performance of Semantic Segmentation on Jetson

[fanzh]

1. from the pipeline, the camera capstiler is not set, we don’t know the camera 's output fps. you can add a "-v " to check the camera 's output fps. the commands looks like
   gst-launch-1.0 -v v4l2src device=/dev/video0 ! nvvideoconvert…
2. if the fps is low, please refer to FAQ to set a high fps.
3. you can use nveglglessink sync=false, it means play as fast as possible.