There is a curve on the smart mirror.

Image pixel intensity curve. The display screen of the smart mirror can be connected with health equipment to display the weight and body fat. The curve on the smart mirror is the pixel intensity curve of the image, which can show the health status of itself more specifically. Smart mirror refers to an intelligent terminal device that can run applications, has an independent application store, supports voice recognition, gesture recognition, multi-touch and other interactive modes, and can provide rich functions for multiple users.