Automated Localization and Classification of Expressway Pole-Like Road Facilities from Mobile Laser Scanning Data

Figure 11

Bounding box of 2D projected points of PLOs in the horizontal plane (from left to right). (a) Group of PLOs with the same height (7–10 m): overhead sign, lighting pole-1-sided, and CCTV camera. (b) Group of PLOs with the same height (5.5–6.5 m): telecommunication tower and speed limit pole.

(a)

(b)