VR sickness reduction system, head-mounted display, VR sickness reduction method, and program

A head-mounted display comprising:

• a display section positioned in front of a user when the head-mounted display is mounted on the user;
• a rocking section allowing rocking of a head of the user;
• a display control section causing the display section to display a moving image representing a state viewed from a point of view, the display control section causes the display section to display the moving image representing a state of a virtual space viewed from a virtual camera positioned in the virtual space;
• a determination section determining whether or not the virtual camera is making accelerated motion in the virtual space;
• and
• a rocking control section controlling rocking of the rocking section depending on an acceleration status of the point of view in the moving image displayed on the display section, including controlling whether or not to rock the rocking section depending on a result of the determination by the determination section, and controlling whether or not to rock the rocking section depending on whether or not the moving image displayed on the display section indicates a state in which the point of view is accelerated.

A virtual sickness reduction method comprising:

• causing a display section positioned in front of a user when a head-mounted display is mounted on the user to display a moving image representing a state viewed from a point of view, including causing the display section to display the moving image representing a state of a virtual space viewed from a virtual camera positioned in the virtual space;
• determining whether or not the virtual camera is making accelerated motion in the virtual space;
• and
• controlling whether or not to rock a rocking section allowing a head of the user on which the head-mounted display is mounted, depending on an acceleration status of the point of view in the moving image displayed on the display section, including controlling whether or not to rock the rocking section depending on a result of the determination by the determination, and controlling whether or not to rock the rocking section depending on whether or not the moving image displayed on the display section indicates a state in which the point of view is accelerated.

A non-transitory, computer readable storage medium containing a computer program, which when executed by a computer, causes the computer to perform out a virtual sickness reduction method by carrying out actions, comprising:

• causing a display section positioned in front of a user when a head-mounted display is mounted on the user to display a moving image representing a state viewed from a point of view, including causing the display section to display the moving image representing a state of a virtual space viewed from a virtual camera positioned in the virtual space;
• determining whether or not the virtual camera is making accelerated motion in the virtual space;
• and
• controlling whether or not to rock a rocking section allowing a head of the user on which the head-mounted display is mounted, depending on an acceleration status of the point of view in the moving image displayed on the display section, including controlling whether or not to rock the rocking section depending on a result of the determination by the determination, and controlling whether or not to rock the rocking section depending on whether or not the moving image displayed on the display section indicates a state in which the point of view is accelerated.