US Patent 9565413 Picture interaction method, apparatus, system and mobile terminal

Disclosed is a picture interaction method, which includes: setting a corresponding relation between a picture material moving speed and a user heartbeat frequency; presenting a picture material; shooting a user body image group, analyzing the user body image group so as to monitor a blood color difference, and calculating a user heartbeat frequency according to the blood color difference; and determining a picture material moving speed corresponding to the user heartbeat frequency according to the calculated user heartbeat frequency, and controlling moving of the picture material based on the determined picture material moving speed.