Used python to code the client and server side of the software on Visual Studio by combining the database SQLite3 Collected images from cameras or abstracted local files and realized images processing by operation orders to the server through socket transmission and corresponding functions from OpenCV Called the OpenCV to process image effects to achieve color to black and white, edge detection and face recognition, and can use the database to inquire, increase or decrease users Honed development techniques in C/S construction and exercised the server construction and programming methods