“…Human Activity Recognition (HAR) has a wide variety of applications in different domains such as healthcare (Tentori et al, 2008;Carús-Candás et al, 2014), smart homes (Soulas et al, 2015), ubiquitous computing, ambientassisted living (Stančić et al, 2017), surveillance and security (Choudhury et al, 2008;Turaga et al, 2008;Poppe et al, 2010). In healthcare, an important application is the supervision of disabled or elderly patients and their daily activities at home (Aiello et al, 2011), especially in cases of chronic illnesses such as Parkinson's disease (PD), Alzheimer (Corchado et al, 2008) or visual impairments.…”