Development and prospect of image assisted total station and image measurement

doi:10.13474/j.cnki.11-2246.2021.0175

Abstract

Abstract: As a widely used measuring instrument, total station can only aim at one object at a time, and the efficiency and accuracy are often relied on people who conducts it. Both defects can be eliminated exactly by using image assisted total station (IATS), which is most likely to replace conventional measuring appliances in the future. Based on the integration of coaxial camera in total station, the real-time, high precision, and high stability of the total station are combined with the technical advantages of cameras such as non-contact, surface measurements and no human error. Therefore, IATS have extensive application prospects in fields such as astronomic surveys, deformation monitoring, precision engineering surveys, and topographic mapping. By introducing the concept of IATS and its development, this paper analyzes the characters of IATS and its possible applying fields. Based on the analysis of the features of IATS and possible application areas and combined with the defects when measuring with IATS, certain direction for the future development will be revealed.

Key words: total station, image assisted total station, coaxial camera, image measurement, surface measurement

CLC Number:

ZHANG Houtian, ZHENG Yong, CHEN Bing, CHEN Zhanglei. Development and prospect of image assisted total station and image measurement[J]. Bulletin of Surveying and Mapping, 2021, 0(6): 50-53.

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