Substitute Tammy Abraham scores his first Premier League goal for Aston Villa since his return to the club as the hosts snatched a draw against Leeds United.

The visitors arrive north on the back of a morale-boosting midweek win over Crusaders but face a home side who have picked up 13 points from a possible 15 in recent weeks. Coleraine head coach ...

Abstract: Under the background of unmanned aerial vehicle inspection of transmission lines, in order to solve the problems of overlapping detection boxes and label adhesion in the mainstream object ...