Shares in vision technology manufacturer Seeing Machines advanced on Tuesday after saying it remains on track to deliver full-year revenue and profits in line with expectations.The company also announced it has signed a contract with BHP Billiton. Seeing Machines will begin a 15 vehicle trial of its driver safety system (DSS) fatigue and distraction monitoring solution at BHP's Mt Arthur Coal mine in the Australian state of New South Wales.The firm's technology will undergo a 90-day evaluation period valued at over 0.3m Australian dollars, beginning end of June. The trial follows news Seeing Machines has signed an agreement with mining equipment manufacturer, Caterpillar Global Mining, for the supply and support of DSS technology.RD