Application of Handheld 3D Laser Scanner in Underground Space Measurement
In traditional underground space surveying,it is necessary to frequently move stations and guide points,resulting in low survey-ing efficiency and low accuracy. This article proposes a method of using handheld laser scanners to obtain underground space information. Dif-ferent from traditional total station measurement methods,the method proposed in this article combines SLAM technology and uses handheld laser scanners for measurement in underground parking lots,without problems such as control point pointing errors. By selecting an under-ground parking lot for measurement,the results show that this method can quickly obtain three-dimensional coordinate information in under-ground space measurement,significantly improve measurement efficiency,and have significant cost advantages.
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