Position detecting device, position detecting system, and controlling method of position detecting device

1. A position detecting device, comprising:

a light output unit which outputs detection light along a manipulation surface, wherein the light output unit emits light other than light of a visible region, and wherein the position detecting device is a projector including a projection unit which projects an image onto the manipulation surface;

a detection unit which performs a first detecting operation detecting an indication position by using the detection light, and a second detecting operation detecting an indication position by using light other than the detection light, wherein the detection unit detects an indication position of a first indicator in the first detecting operation on the basis of reflected light reflected by the first indicator reflecting the detection light, and detects an indication position of a second indicator in the second detecting operation on the basis of light emitted by the second indicator having a light emitting function, the detection unit detecting the indication position on the basis of the light other than light of the visible region emitted by the light output unit and light other than light of a visible region emitted by the second indicator;

a calibration control unit which executes a first calibration associating a position detected in the second detecting operation with a position on the manipulation surface; and

an imaging unit which captures the image projected by the projection unit,

wherein the calibration control unit executes a second calibration, the second calibration being an automatic calibration associating the position detected in the second detecting operation with the position on the manipulation surface on the basis of a captured image captured by the imaging unit in a state in which an image for calibration is projected by the projection unit, and

wherein the calibration control unit restricts output of the detection light while the first calibration is executed, and the output of the detection light is not restricted while the automatic calibration is executed.

2. The position detecting device according to claim 1 ,

wherein the calibration control unit executes, as the first calibration, manipulation type calibration associating the position detected in the second detecting operation with the position on the manipulation surface by detecting a real indication position by using the light other than the detection light, and restricts the output of the detection light while the manipulation type calibration is executed.

3. The position detecting device according to claim 1 ,

wherein the position detecting device is capable of executing a normal operation mode in which the detection unit is operated corresponding to the indication position detected in the first detecting operation and the indication position detected in the second detecting operation, and

the position detecting device further comprises an output control unit which allows the light output unit to emit light in a light emitting pattern which is different from that of light emission of the second indicator in the normal operation mode.

4. The position detecting device according to claim 1 ,

wherein the detection unit detects the reflected light reflected by the first indicator and the light emitted by the second indicator by a common section.

5. position detecting device according to claim 1 , wherein the first calibration is a manual calibration in which a user uses the light other than the detection light to interact with a displayed manual calibration image.

6. A position detecting system, comprising:

a position detecting device which detects a manipulation position of a first indicator and a second indicator performing a manipulation on a manipulation surface; and

a light output device which outputs detection light along the manipulation surface, wherein the light output device emits light other than light of a visible region, and wherein the position detecting device is a projector including a projection unit which projects an image onto the manipulation surface,

wherein the position detecting device includes

a detection unit which performs a first detecting operation detecting an indication position by using the detection light, and a second detecting operation detecting an indication position by using light other than the detection light, wherein the detection unit detects an indication position of a first indicator in the first detecting operation on the basis of reflected light reflected by the first indicator reflecting the detection light, and detects an indication position of a second indicator in the second detecting operation on the basis of light emitted by the second indicator having a light emitting function, the detection unit detecting the indication position on the basis of the light other than light of the visible region emitted by the light output unit and light other than light of a visible region emitted by the second indicator, and

a calibration control unit which executes a first calibration associating a position detected in the second detecting operation with a position on the manipulation surface, and

an imaging unit which captures the image projected by the projection unit,

wherein the calibration control unit executes a second calibration, the second calibration being an automatic calibration associating the position detected in the second detecting operation with the position on the manipulation surface on the basis of a captured image captured by the imaging unit in a state in which an image for calibration is projected by the projection unit, and

wherein the calibration control unit restricts output of the detection light while the calibration is executed, and the output of the detection light is not restricted while the automatic calibration is executed.

7. The position detecting system according to claim 6 , wherein the first calibration is a manual calibration in which a user uses the light other than the detection light to interact with a displayed manual calibration image.

8. A controlling method of a position detecting device, the position detecting device being a projector including a projection unit which projects an image onto a manipulation surface, the method comprising:

outputting detection light along the manipulation surface, the detection light being light other than light of a visible region; and

performing a first detecting operation detecting an indication position by using the detection light, and a second detecting operation detecting an indication position by using light other than the detection light, wherein the first detecting operation detects an indication position of a first indicator on the basis of reflected light reflected by the first indicator reflecting the detection light, and the second detecting operation detects an indication position of a second indicator on the basis of light emitted by the second indicator having a light emitting function, the indication position being detected on the basis of the light other than light of the visible region emitted by the light output unit and light other than light of a visible region emitted by the second indicator; and

capturing an image projected by the projection unit,

wherein a first calibration associating a position detected in the second detecting operation with a position on the manipulation surface is executed, a second calibration is executed, the second calibration being an automatic calibration associating the position detected in the second detecting operation with the position on the manipulation surface on the basis of the captured image in a state in which an image for calibration is projected by the projection unit, output of the detection light is restricted while the calibration is executed, and the output of the detection light is not restricted while the automatic calibration is executed.

9. The controlling method according to claim 8 , further comprising:

displaying a manual calibration image, wherein the first calibration is a manual calibration in which a user uses the light other than the detection light to interact with the displayed manual calibration image.