fig9

Figure 9. Machine learning-assisted LIG-based biophysical skin electronics for intelligent healthcare. (A) Schematic illustrating the structure of LIG-based TENG tactile sensor; (B) Working principles of the tactile sensor; (C) Classification results of ten braille numbers. Reproduced with permission^[101]. Copyright 2023, Wiley-VCH GmbH; (D) Illustration of the fabrication process of the self-powered flexible sensor; (E) Current outputs of flexible pressure sensor while speaking three different sentences; (F) Confusion matrix of the machine learning outcome. Reproduced with permission^[102]. Copyright 2023, American Chemical Society; (G) Optical photograph of intelligent pulse sensor attached on wrist arterial site; (H) Working mechanism of the intelligent pulse sensor; (I) Classification results of three different CVD events. Reproduced with permission^[3]. Copyright 2023, Cell Press. LIG: Laser-induced-graphene; TENG: triboelectric nanogenerator; CVD: cardiovascular disease.