• Helicopter-borne powerline corridor surveying——Construct the hardware of a helicopter-borne powerline corridor surveying system by integrating multi-angular cameras and GPS/IMU, develope data acquisition and processing software. Both powerline and DSM of powerline corridor are compiled, and then the distances between powerline and DSM are compared. And the system can generate an early warnning map based on these reletive distances. The purpose of this work is to change the status of powerline surveying, that is, labor-intensive, susceptible to human factors and sometimes hard to reach some regions.

Scene of helicopter powerline corridor survey

Platform of helicopter powerline corridor survey system

Early-warning image

Enlarged view

Cross-section view

Measure distance between object and powerline in the cross-section view