Research Article

An Easily Customized Gesture Recognizer for Assisted Living Using Commodity Mobile Devices

Table 7

Questionnaires’ results.

Modified SUS statementsAnswerScore

1.I think that I would like to use a smartwatch to control devices frequently3,72,7
2.I found the system of the smartwatch and the smartphone to control devices unnecessarily complex1,63,4
3.I thought that performing gestures to control devices was easy3,82,8
4.I think that I would need the support of a technical person to be able to use this system1,33,7
5.I found the various functions in this system (i.e., the training with user-selected gestures and the recognition of gestures) were well integrated4,13,1
6.I thought there was too much inconsistency in this system and I expect it to fail1,83,2
7.I would imagine that most people would learn to use such a system very quickly4,13,1
8.I found that the system of performing gestures to control devices was very cumbersome to use1,73,3
9.I feel very confident that I will be able to use the system3,92,9
10.I think I need to learn a lot of things before I can use this system2,03,0
Total score31,2
SUS score78,0