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. 2023 Dec 2;23(23):9571. doi: 10.3390/s23239571

Figure 1.

Figure 1

The application’s architecture can be divided into two parts—mobile app and server—to ensure efficient data handling and processing. Mobile app: The app comprises different views depicted as rectangles, each important to conduct a study for human activity recognition. The arrows illustrate the dataflow, which can be of different data modalities. Server: The collected data can be uploaded to a server, and a lightweight deep learning model can be trained and embedded into the app.