US Patent 10121075 Method and apparatus for early warning of danger

Provided are a method and an apparatus for early warning of danger, the method including acquiring image information of a target object through a first wearable device worn by a user, detecting a physical characteristic of the target object based on the acquired image information, determining a degree of danger that is a degree to which safety of the user is endangered, by using the detected physical characteristic, and providing a warning to the user based on the determined degree of danger of an event.