Applying Noncontact Sensing Technology in the Customized Product Design of Smart Clothes Based on Anthropometry

Figure 1. Basic scheme of proposed smart clothes system.

Figure 2. (a) Basic structure and (b) equivalent electrical circuit of noncontact electrode.

Figure 3. Block diagram of wireless noncontact ECG acquisition module.

Figure 4. Illustration for postprocessing procedure of 3D human body geometry.

Figure 5. Procedure of parametric model construction.

Figure 6. (a) Flowchart of proposed ECG monitoring program and (b) scenario diagram of the proposed smart clothes system.

Figure 7. (a) Magnitude and phase responses of flexible noncontact electrode and (b) comparisons of ECG signals acquired by different electrodes in the time and frequency domains.

Figure 8. Simulation and photograph of smart clothes design based on parameterized 3D human body.

Figure 9. ECG signals acquired by different clothing designs, including smart clothes based on (a) parameterized 3D human body model and (b) average 3D human body model, as well as (c) commercial gym clothes with chest strap.

Figure 10. ECG signals acquired by smart clothing across the different thicknesses and materials: (a) 100% cotton, 0.35 mm, (b) 100% cotton, 0.7 mm, (c) 93% polyester, 0.31 mm, and (d) 100% cotton, 0.35 mm (sweating condition).

Figure 11. ECG signals of different participants acquired by (a) smart clothes and (b) conventional Ag/AgCl electrodes under different activities: sitting, standing, walking, running, and jumping.