DISPLAY DEVICE AND CONTROL METHOD
A stereoscopic video display system includes a display device for displaying stereoscopic video, an image pickup element for generating image data, a position determiner for processing the image data received by the image pickup element to determine position information of at least one object identified in the image data, and a plurality of light output sections each having one or more light transmitters. Each light transmitter is configured to output timing signals having a signal strength based on the determined position information. The stereoscopic video display system also includes at least one set of shutter eyeglasses including a light receiving section for receiving timing signals output from at least one of the light transmitters of the light output sections.
1 . A display system comprising:
a display device;
an image pickup device configured to capture an image of an object;
a processing circuitry configured to calculate position information of the object based on the image, the position information including at least distance information related to a distance from the image pickup device to the object, and
a signal transmitting device configured to output a wireless signal including a timing signal, the wireless signal having a strength based on the distance information of the object.
2 . The display system according to claim 1 ,
wherein the signal transmitting device is a multi-directional signal transmitter and is configured to control directivity of the wireless signal so as to be directed toward to the object.
3 . The display system according to claim 2 ,
wherein the signal transmitting device includes a plurality of signal transmitters, each directed to different directions.
4 . The display system according to claim 1 , wherein the wireless signal is a light signal.
5 . The display system according to claim 1 , wherein the image pickup device us configured to capture an image of a plurality objects,
the processing circuitry is configured to calculate the position information of each of the objects based on the image,
the signal transmitting device is configured to output, to a given one of the objects, the wireless signal having a strength based on the distance information of the given one of the objects.
6 . The display system according to claim 5 ,
wherein the signal transmitting device is a multi-directional signal transmitter and is configured to output the wireless signal at least directed toward the given one of the objects.
7 . The display system according to claim 5 ,
wherein the signal transmitting device is configured to output the wireless signal to each of the objects, the wireless signal having a strength based on the distance information of the each of the objects.
8 . The display system according to claim 7 ,
wherein the signal transmitting device is a multi-directional signal transmitter and is configured to output the wireless signal whose directionality is determined based on the position information of each of the objects.
9 . A system for controlling output of at least one signal transmitting device, the system comprising:
an object information generation device configured to receive image data of an object from an image pickup element, and to determine based on said image data, position information of the object including at least distance information related to a distance from the image pickup element to the object;
a signal output determining device configured to determine a strength of a wireless signal to be output from the signal transmitting device based on the distance information; and
a signal output controlling device configured to control the strength of the wireless signal based on the determination of the signal output determining device.
10 . The system for controlling output of at least one signal transmitting device according to claim 9 , wherein the object information generation device determines the position information for a number of objects in the image data based on a result of a predetermined image processing performed on the image data.
11 . The system for controlling output of at least one signal transmitting device according to claim 10 , wherein the strength of the wireless signals is also based on the number of objects determined by the position determiner
12 . The system for controlling output of at least one signal transmitting device according to claim 9 , wherein each signal transmitting device is a light transmitter.
13 . The system for controlling output of at least one signal transmitting device according to claim 12 , wherein each light transmitter is an infrared light transmitter.
14 . The system for controlling output of at least one signal transmitting device according to claim 9 , wherein each signal transmitting device emits timing signals in different directions.
15 . The system for controlling output of at least one signal transmitting device according to claim 9 , wherein the system is configured to control output of a plurality of different signal transmitting devices, wherein each of the signal transmitting devices include a plurality of light transmitters configured to output timing signals at a plurality of different strength levels.
16 . The system for controlling output of at least one signal transmitting device according to claim 15 , wherein the position information further includes vertical position information, horizontal position information, and distance information for each of at least one object identified in the image data.