Table 1.

Databases used in the previous articles.

Name	Users (Male/Female)	Visits Per User	Sensors	Dynamic Range	Frequency (Hz)	Path Size (m)	Sensor Position
Ailisto et al. [29]	19/17	2	Accelerometer	-	256	20	Waist Back
Gafurov et al. [30]	30	4	Accelerometer	-	100	20	Ankle
Derawi et al. [31]	60	12	Accelerometer	±6g	100	20	Waist left
Rong et al. [32]	11/10	5	Accelerometer	-	250	30	Waist Back
Trung et al. [33]	25/7	5	Accelerometer Gyroscope	-	100	2 min	Back
Zhong et al. [34]	20	2	Accelerometer	-	-	-	-
Ngo et al. [27]	389/355	2	Accelerometer Gyroscope	±4 g ±500 deg/s	100	9	Waist Back