The following diagram shows a simplified implementation of an IoT-based smart classroom application:
The facial-expression-based emotion analysis implementation consists of three main elements:
- Sensors and computing platform: For this use case, we need at least one CCTV camera that can cover the classroom and be connected to the computing platform wirelessly or via a concealed cable in the walls. The lecturer's computer in the classroom can work as the computing platform. The computer will continuously process the video signals and convert them into images for the image-based facial expression analysis.
- Facial ...