Adjusting the tool for sure, and moreover, adjusting your data collection strategy to the scene, and applying manual fixes to the data or the output. Definitely

Adjusting the tool for sure, and moreover, adjusting your data collection strategy to the scene, and applying manual fixes to the data or the output. Definitely an art as much as it is a science, much like Machine Learning in general. I'm not sure if the tool will even improve much with time, as I understand, most of the work is in the data collection, and quantity is definitely not better than quality.