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Table 4 Time comparison of process of traditional tree barrier modeling and tree barrier modeling proposed in this paper

From: Fast image recognition of transmission tower based on big data

Process of tree barrier modeling

Time of process of traditional tree barrier modeling

Time of tree barrier modeling by image recognition of transmission tower based on big data

Taking tilt photography photos of transmission lines

The speed of fixed-wing UAV is 28 m/s, and the flight distance is twice of the transmission line [30]

The speed of fixed-wing UAV is 28 m/s, and the flight distance is twice of the transmission line

Image recognition of transmission tower

about 5 min

within 10 s

Generating power lines

3 min per line span

2 min per line span

Point cloud classification

about 35 min for 400 m line span

about 35 min for 400 m line span

Measuring the distance between trees and wires

1 min per line span

1 min per line span