TABLE 3.

Literature to intention type.

Intention type	Study
Motion	7 Fang et al. (2017), Liu et al. (2017), Lanini et al. (2018), Ren et al. (2018), Goldhammer et al. (2020), Kumar and Michmizos (2020), Li et al. (2020)
Hand gesture	11 Cote-Allard et al. (2019), Young et al. (2019), Chen et al. (2020a), Chen et al. (2020b), Gardner et al. (2020), Chiu et al. (2021), Feleke et al. (2021), Ding and Zheng (2022), Tsitos et al. (2022)
Lower-limb movement	7 Massalin et al. (2018), Moon et al. (2019), Su et al. (2019), Coker et al. (2021), Viekash et al. (2021), Wang (2021), Wen and Wang (2021)
Upper-limb movement	5 Kilic and Dogan (2017), Liu et al. (2019a), Huang et al. (2020), Kopke et al. (2020), Lu et al. (2020)
Activity	3 Li et al. (2018), Jaouedi et al. (2020), Poulose et al. (2022)
Interaction	1 Mohammadi Amin et al. (2020)
Facial gesture	1 Cha et al. (2019)