Providing Databases for Different Indoor Positioning Technologies: Pros and Cons of Magnetic Field and Wi-Fi Based Positioning

Figure 10

Three screenshots of the Android application used to capture the data. (a) shows the selected reference point (red) where the data capture is going to be performed and the “Tap to start” button. (b) shows the reference point in green while the 5 fingerprints are captured. The application indicates that the fingerprints are being collected by turning the corresponding panel located at the bottom of the screen to green. (c) shows that captures have been taken and the user finishes the mapping procedure.

(a)

(b)

(c)