Patent ID: 9632314
Date: 2017-04-25
CPC Classifications: G02B,G06T,H04N

Claim:
1. A head mounted display (HMD) device comprising: a sensor unit configured to detect a front direction of the HMD device; a display unit configured to display a first screen image including a partial region of a surround video image of a first playing time, a first representative thumbnail image of a first playing time, a second representative thumbnail image of a second playing time and a progress bar, wherein the partial region corresponds to the detected front direction of the HMD device at the first playing time, and the surround video image of the first playing time is included in a surround video content; and a processor configured to: set a first thumbnail image corresponding to a first partial region of the surround video image of the first playing time as the first representative thumbnail image of the first playing time; and set a second thumbnail image corresponding to a second partial region of a surround video image of the second playing time as the second representative thumbnail image of the second playing time, wherein the surround video image of the second playing time is included in the surround video content, wherein the processor is further configured to: when a third partial region of the surround video image of the first playing time is displayed instead of the first partial region at the first playing time, change the first representative thumbnail image of the first playing time to a third thumbnail image and maintain the second representative thumbnail image, and wherein the third thumbnail image corresponds to the third partial region of the surround video image of the first playing time.