Head mounted display device displaying thumbnail image and method of controlling the same

摘要

A head mounted display (HMD) device and a method of controlling the same are disclosed. The method includes displaying a surround video image included in surround video content, displaying a partial region of the surround video image in the front direction of the HMD device, setting a first thumbnail image corresponding to a first viewing region of a first surround video image, displaying a second viewing region of the first surround video image at a first playing time, and setting a second thumbnail image corresponding to the second viewing region at the first surround video image, wherein the first thumbnail image and the second thumbnail image are each set to correspond to the same first playing time.