We are still trying to improve the line following and are ensuring that the junctions are correctly navigated. If the line is straightforward, then we can follow at a decent frame rate (+32fps) but, as in the last post, we had real issues when we hit a junction. Looking at the Garden Path challenge rules, the highest amount of points can be obtained through using audio commands with camera based navigation (https://piwars.org/2021-vpw/challenges/up-the-garden-path/). While signposts did work, using the camera to follow the line and help with audio commands would seem to be the most reliable and best option. Below is a short video (once again using the rolling road on another screen for the Pi's camera to decode) but now with a USB microphone plugged into the Pi to issue commands to vosk (https://alphacephei.com/vosk/) with a limited list of words. Volume warning: It's a bit loud when Amy's Dad shouts the voice commands!!!! We need to see if we can't improve the latency ...
