Smile infection determination system, smile infection determination method and program

摘要

The present invention relates to a technique for determining that a human smile is contagious, and is used in the field of IoT (internet of things) and the like. In the image captured by the camera 100, the server device 200 causes a third person (second person) to smile before a predetermined period elapses after it is determined that a person (first person) smiles. If it is determined that the relationship between the time and position at which a person (first person) smiles and the time and position at which a third party (second person) smiles (time That the smile of a person (first person) has an influence on a third person (second person) to make him smile, depending on whether or not the condition and the position condition) satisfy a predetermined smile contagion condition. , Determined that the smile was contagious.