Patent ID: 9671861
Date: 2017-06-06
CPC Classifications: G06F,G06K,G09G

Claim:
1. An operation method of an electronic device, the operation method comprising: obtaining image information at intervals of a predetermined time, the predetermined time set by a user, while content is displayed in a first direction in a screen of the electronic device; identifying at least two areas in the image information, the at least two areas defined based on at least one line which pass through an origin point of the image information; identifying a face included in the image information using the image information obtained at a first interval; identifying a change for an angle of the face; identifying a first area that includes the face among the at least two areas; determining whether the face is positioned outside of the first area using the image information obtained at a second interval; maintaining the content displayed in the first direction if the angle of the face is changed within the first area, when the face is identified among the at least two areas; and changing the content displayed in the first direction to a second direction if the angle of the face is changed within a second area, when the face is not identified among the at least two areas.