Smart-Sleeve: A Wearable Textile Pressure Sensor Array for Human Activity Recognition

. 2022 Feb 22;22(5):1702. doi: 10.3390/s22051702

$F e a t_{53}$ , $F e a t_{54}$ :	The area of each side.
$F e a t_{55}$ , $F e a t_{56}$ :	the pressure of each side.
$F e a t_{57}$ :	The ratio of area of both sides.
$F e a t_{58}$ :	The ratio of pressure of both sides.