測量・計測(2)

[VI-157] Examination of non-cutting pipe length / pipe diameter measurement method for communication civil engineering equipment using borehole radar and endoscopic camera

〇DAISAKU NISHIYAMA¹, Kenji Hiyoshi¹, Dekai Keitaro², Ishidu Noriyuki² (1.NTT Access Network Service Systems Laboratories, NTT Corporation,, 2.AIREC ENGINEERING CORPORATION)

Keywords:pipes, non-open-cut, measurement, endoscopic camera, borehole radar