Research Article

An Improved RANSAC Algorithm Based on Adaptive Threshold for Indoor Positioning

Table 4

Results for various cases of the improved algorithm in 306 (16001200 SIFT ratio = 1).

Running time (s)Average error (pixel)Threshold (pixel)

2.16−24.3222.789026.0036
2.65−111.4081.047542.2187
2.159.498354.312969.68792
2.46−107.4311.616563.23888