Oppo r 1 1 how to take a portrait?

The portrait mode of OPPO R 1 1 has three magic weapons, one is the background blur function from hardware to software, the other is the intelligent exposure function, and the third is the automatic skin color adjustment beauty function. In the background blur of portrait mode, OPPO R 1 1 has a learning algorithm trained by hundreds of thousands of samples, which can calculate the boundary between the subject and the background more accurately and the shooting effect is more natural and real.