Table 2.

Examples of sensor layouts for measuring the contact forces for force-based human posture estimation in different application scenarios.

Application Scenario	Positioning of Single-Point Sensors	Layout of Sensor Matrix
Sensor mattress (health care + sleep research)	DIY sensor mattress with capacitive single-point sensors [15]	Commercial piezorestive sensor matrix on a sleeping matrix [39] (Reprinted with permission from [39], 2023 IEEE Xplore)
Sensor insoles (gait analysis + sport science)	Placement of single-point FSR sensors (circles) at an insole with (a) 6 FSR sensors [12] and (b) 3 FSR sensors and 1 bend sensor (black rectangle) [40] (Reprinted with permission from [12], 2023 MDPI, and [40], 2023 IEE Xplore)	Sensor layout of an F-Scan insole sensor matrix with 954 measure points [41] (Reprinted with permission from [41], 2023 Spriger)
Sensor chair (sitting ergonomics + automotive design)	Positions of DIY single-point sensors on a smart chair [14]	Application of two Tekscan Conformat sensors on an office chair [14]