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Table 2 Comparing results of visual odometry and 3D scanner under a simplified short-range route

From: Study of a robotic system to detect water leakage and fuel debris-System proposal and feasibility study of visual odometry providing intuitive bird’s eye view-

Result type

x-direction displacement (mm)

y-direction displacement (mm)

Orientation (degree)

Visual odometry

738.0

1247.9

95.5

3D scanner measuring

728.3

1256.0

97.7