Image display apparatus, mobile device, and methods of operating the same

An image display apparatus comprising:

• a communication interface;
• a display;
• a memory configured to store one or more instructions;
• and
• at least one processor configured to execute the one or more instructions stored in the memory to:
• control the communication interface to communicate with a mobile device;
• display a 360-degree image on the display;
• receive information on a viewpoint which is generated based on an input for controlling a sphere-type image displayed on the mobile device, from the mobile device;
• select the viewpoint of the 360-degree image based on the information on the viewpoint;
• and
• control the display to display an image corresponding to a selected viewpoint of the 360-degree image.

A method of operating a mobile device, the method comprising:

• communicating with an image display apparatus;
• displaying a sphere-type image to control a viewpoint of a 360-degree image displayed on the image display apparatus;
• receiving an input for controlling the sphere-type image;
• generating information on the viewpoint based on the input for controlling the a sphere-type image;
• and
• transmitting, to the image display apparatus, the generated information on the viewpoint so that the image display apparatus selects the viewpoint of the 360-degree image based on the generated information on the viewpoint.

A method of operating an image display apparatus, the method comprising:

• displaying a 360-degree image;
• receiving information on a viewpoint which is generated based on an input for controlling a sphere-type image displayed on a mobile device, from the mobile device;
• selecting the viewpoint of the 360-degree image based on the information on the viewpoint;
• and
• displaying an image corresponding to a selected viewpoint of the 360-degree image.