I'm using &Plate in an MQTT topic and it's still working for me using the following string:
{ "plate":"&PLATE", "AlertImgPath":"&ALERT_PATH", "Alert_AI":"&MEMO", "Date":"%Y-%m-%d %H:%M:%S","Camera":"&CAM"}
Anybody have a USPS.onnx file they'd be willing to share? I've tried using the delivery.onnx file with CPAI for detecting my mail delivery, but it doesn't seem to be very reliable. It consistently identifies truck tail lights as a usps logo.
Maybe it has something to do with your shiny new gaming machine (i7-14700F - 32GB DDR5 Memory) while mine is an old piece of junk (i7-4790 - 16GB Memory). :)
Just as a test to see if speeds up your MQTT times. If it does then then you know AI is the issue and you can work on decreasing your processing times.