Research Article

Projection Surfaces Detection and Image Correction for Mobile Robots in HRI

Table 3

Errors found in the projection of the corrected image.

Distance (m) 1 2 3

27,5° Horizontal error (%)1,8 (0,2)1,14 (0,34)1,36 (0,5)
Vertical error (%)1,77 (1,18)1,15 (0,69)0,84 (0,95)
Diagonals error (%)1,68 (0,71)3,2 (0,51)2,95 (0,5)

17,19° Horizontal error (%)0,89 (0,54)0,75 (0,29)1,47 (0,6)
Vertical error (%)0,71 (0,67)1,81 (0,61)1,58 (1,24)
Diagonals error (%)1,55 (0,56)1,2 (0,32)1,49 (0,67)

−12.06° Horizontal error (%)2,24 (0,93)2,36 (0,8)1,41 (0,94)
Vertical error (%)0,67 (0,78)2,27 (1,33)3,46 (0,8)
Diagonals error (%)1,3 (0,62)1,11 (0,46)0,79 (0,26)