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Table 2 Sensor combinations and total number of input parameters (from [17], with permission from the publisher)

From: Feature selection for elderly faller classification based on wearable sensors

Sensor Combination

Sensor Description

Total parameters

I

pressure insole

30

H

accelerometer (head)

29

P

accelerometer (pelvis)

29

LS

accelerometer (left shank)

29

RS

accelerometer (right shank)

29

H-P

accelerometer (head, pelvis)

58

H-LS

accelerometer (head, left shank)

58

H-RS

accelerometer (head, right shank)

58

P-LS

accelerometer (pelvis, left shank)

58

P-RS

accelerometer (pelvis, right shank)

58

LS-RS

accelerometer (left shank, right shank)

58

H-P-LS

accelerometer (head, pelvis, left shank)

87

H-P-RS

accelerometer (head, pelvis, right shank)

87

H-LS-RS

accelerometer (head, left shank, right shank)

87

P-LS-RS

accelerometer (pelvis, left shank, right shank)

87

H-P-LS-RS

accelerometer (head, pelvis, left shank, right shank)

116

I-H

pressure insole; accelerometer (head)

59

I-P

pressure insole; accelerometer (pelvis)

59

I-LS

pressure insole; accelerometer (left shank)

59

I-RS

pressure insole; accelerometer (right shank)

59

I-H-P

pressure insole; accelerometer (head, pelvis)

88

I-H-LS

pressure insole; accelerometer (head, left shank)

88

I-H-RS

pressure insole; accelerometer (head, right shank)

88

I-P-LS

pressure insole; accelerometer (pelvis, left shank)

88

I-P-RS

pressure insole; accelerometer (pelvis, right shank)

88

I-LS-RS

pressure insole; accelerometer (left shank, right shank)

88

I-H-P-LS

pressure insole; accelerometer (head, pelvis, left shank)

117

I-H-P-RS

pressure insole; accelerometer (head, pelvis, right shank)

117

I-H-LS-RS

pressure insole; accelerometer (head, left shank, right shank)

117

I-P-LS-RS

pressure insole; accelerometer (pelvis, left shank, right shank)

117

I-H-P-LS-RS

pressure insole; accelerometer (head, pelvis, left shank, right shank)

146

  1. I pressure-sensing insole measures, H head accelerometer measures, P pelvis accelerometer measures, LS left shank accelerometer measures, RS right shank accelerometer measures