Image display apparatus, glasses for image observation, image display control method, and program

Glasses for image observation, comprising:

• a control signal receiving unit that receives a control signal from an image display apparatus;
• a shutter control unit that executes an opening/closing process of shutters for left and right eyes of glasses for three-dimensional image observation in accordance with the control signal received by the control signal receiving unit;
• and
• the shutters for the left and right eyes of the glasses for three-dimensional image observation which perform an opening/closing operation under control of the shutter control unit,
• wherein the control signal received by the control signal receiving unit includes a control signal that opens only one of the shutters corresponding to the left and right eyes of the glasses for three-dimensional image observation and a control signal that closes the shutters corresponding to both the left and right eyes, and
• wherein the shutter control unit
• executes a process of opening only one of the shutters corresponding to the left and right eyes of the glasses for three-dimensional image observation or a process of closing the shutters corresponding to both the left and right eyes.

An image display system comprising an image display apparatus and glasses for image observation,

• wherein the image display apparatus includes
• an image output control unit that generates or receives an image frame sequence in which an additional information image frame including additional information is added between an image frame for a left eye and an image frame for a right eye, and that outputs the image frame sequence to a display unit;
• the display unit which displays the image frame sequence output by the image output control unit;
• and
• a control signal output unit that outputs a control signal for opening/closing shutters for the left and right eyes of glasses for three-dimensional image observation worn by an observer,
• wherein the control signal output unit
• is configured to output a control signal that sets the shutters for both the left and right eyes to a closed state at a display timing of the additional information image frame for the display unit,
• wherein the glasses for image observation are glasses for three-dimensional image observation, and include
• a control signal receiving unit that receives a control signal from the image display apparatus;
• a shutter control unit that executes an opening/closing process of the shutters for the left and right eyes of the glasses for three-dimensional image observation in accordance with the control signal received by the control signal receiving unit;
• and
• the shutters for the left and right eyes of the glasses for three-dimensional image observation which perform an opening/closing operation under control of the shutter control unit, and
• wherein the shutter control unit
• is configured to execute a process of opening only one of the shutters corresponding to the left and right eyes of the glasses for three-dimensional image observation or a process of closing the shutters corresponding to both the left and right eyes.

An image display control method executed by an image display apparatus, comprising:

• an image output control step of generating or receiving, by an image output control unit, an image frame sequence in which an additional information image frame including additional information is added between an image frame for a left eye and an image frame for a right eye, and outputting the image frame sequence to a display unit;
• a display step of displaying, by the display unit, the image frame sequence output by the image output control unit;
• and
• a control signal output step of outputting, by a control signal output unit, a control signal for opening/closing shutters for the left and right eyes of glasses for three-dimensional image observation worn by an observer,
• wherein the control signal output step
• includes the step of outputting a control signal that sets the shutters for both the left and right eyes to a closed state at a display timing of the additional information image frame for the display unit.

A program that causes an image display apparatus to execute image display control, comprising:

• an image output control step of causing an image output control unit to generate or receive an image frame sequence in which an additional information image frame including additional information is added between an image frame for a left eye and an image frame for a right eye, and to output the image frame sequence to a display unit;
• a display step of causing the display unit to display the image frame sequence output by the image output control unit;
• and
• a control signal output step of causing a control signal output unit to output a control signal for opening/closing shutters for the left and right eyes of glasses for three-dimensional image observation worn by an observer,
• wherein the control signal output step
• includes the step of causing a control signal that sets the shutters for both the left and right eyes to a closed state to be output at a display timing of the additional information image frame for the display unit.