“…These systems have different pros and cons during operations [230,231,232,291], thanks to their dedicated hardware systems which result in high resolution or sensing range / performance, they have been deployed for various applications such as indoor healthcare monitoring [292,293,294,295,296,297,298,257,273,274,256,258,299,275,276,239,242,244,245,271,300,254,301], in-vehicle monitoring [302,278,253,285,259,303], and continuous user authentication [304,284].…”