… First, we categorize the human activity recognition methods into two main categories: (i)
unimodal and (ii) multimodal activity recognition methods according to the nature of sensor data …

… on activity recognition. For example, surveillance and security try to make use of activity
recognition … Ambient-assisted living (AAL) aims to exploit activity monitoring, recognition, and …

… In the human activity recognition systems, three main types are mentioned, … person activity
recognition, multiple people interaction and crowd behavior, and abnormal activity recognition…

… opportune information on people's activities and behaviors is … Despite human activity
recognition (HAR) being an active … evaluated in terms of recognition performance, energy …

… can be created by the daily activity recognition. Driving activities can be recognized and lead
… methods for human activity recognition and the challenges for activity recognition. Section 2 …

… Comparing the different approaches to activity recognition, we observed that a common …
the whole set of activities to be recognized. Even though the resulting recognition rates can be …

… When an HMM is used in activity recognition, activities are the hidden states and the
observable output is sensor data. Figure 2 shows an HMM for the example eating activity. …

… work conducted in the field of activity recognition and divide the existing literature into three
… of activities, to the best of our knowledge, we cover all the sub-areas in activity recognition …

… This survey article focuses on current activity recognition (AR) projects applied within these
fields, their achievements, issues, and challenges. We do not focus on the classification (…

… contextual information for activity recognition systems to infer an actor’s activity. In terms …
recognition approaches; vision-based activity recognition and sensor-based activity recognition…