Steering wheel hand detection systems are disclosed herein. The diagnostic systems may include imaging systems, data management systems, monitors, and so forth, connected to an internal network of the institution. The bite size, segment size, and segment overlap can be manipulated to minimize the amount and type of trench backfill. Additionally, executing the instructions that correspond to the filter can retrieve supporting information from a second application. In the electron emission device, an off-voltage of the scan signal is set lower than an on-voltage of the data signal.