Apparatus and method of obtaining 3D image
An apparatus and method for obtaining an image. A first filter unit of the apparatus of obtaining an image may pass a light in a first wavelength band corresponding to visible light. Also, a second filter unit may pass a light in a second wavelength band corresponding to an Infrared ray (IR). A sensor unit may sense the light in the first wavelength band and the light in the second wavelength band. An operating unit may operate at least one of the first filter unit and the second filter unit.
1. An apparatus of obtaining an image, the apparatus comprising:
a first filter unit to pass a light in a first wavelength band corresponding to visible light;
a second filter unit to pass a light in a second wavelength band corresponding to an Infrared ray (IR);
a sensor unit to include at least one pixel which senses the light in the first wavelength band and the light in the second wavelength band; and
an operating unit to operate at least one of the first filter unit and the second filter unit to filter the light sensed by the sensor unit, wherein
the first filter is configured to rotate on a first rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit, and
the second filter is configured to rotate on a second rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit.
2. The apparatus of claim 1 , wherein the operating unit operates the first filter unit in a first operation mode to guide the light sensed by the sensor unit to pass through the first filter unit, and operates the second filter unit in a second operation mode to guide the light sensed by the sensor unit to pass through the second filter unit, the first operation mode being a mode for obtaining a color image, and the second operation mode being a mode for obtaining a depth image.
3. The apparatus of claim 1 , wherein the first filter unit and the second filter unit share a same rotation axis, the operating unit rotates the first filter unit and the second filter unit on the rotation axis in a first operation mode to guide the light sensed by the sensor unit to pass through the first filter unit, and rotates the first filter unit and the second filter unit on the rotation axis in a second operation mode to guide the light sensed by the sensor unit to pass through the second filter unit, the first operation mode being a mode for obtaining a color image, and the second operation mode being a mode for obtaining a depth image.
4. The apparatus of claim 1 , wherein the first rotation axis is parallel with the second rotation axis, and the operating unit rotates the first filter unit and the second filter unit in a first operation mode to guide the light sensed by the sensor unit to pass through the first filter unit, and rotates the first filter unit and the second filter unit in a second operation mode to guide the light sensed by the sensor unit to pass through the second filter unit, the first operation mode being a mode for obtaining a color image, and the second operation mode being a mode for obtaining a depth image.
5. An apparatus of obtaining an image, the apparatus comprising:
a second filter unit to pass a light in a second wavelength band corresponding to an IR;
a third filter unit to pass a light in a first wavelength band corresponding to visible light, and the light in the second wavelength band corresponding to the IR;
a sensor unit to include at least one pixel which senses the light in the first wavelength band and the light in the second wavelength band; and
an operating unit to operate the second filter unit to filter the light sensed by the sensor unit, wherein
the second filter is configured to rotate on a second rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit.
6. The apparatus of claim 5 , wherein the third filter unit is fixed to filter the light sensed by the sensor unit.
7. The apparatus of claim 5 , wherein the third filter unit is a film coated on the sensor unit.
8. The apparatus of claim 5 , wherein the operating unit operates the second filter unit in a first operation mode to prevent the light sensed by the sensor unit from passing through the second filter unit, and operates the second filter unit in a second operation mode to guide the light sensed by the sensor unit to pass through the second filter unit, the first operation mode being a mode for obtaining a color image, and the second operation mode being a mode for obtaining a depth image.
9. A method of obtaining an image, the method comprising:
operating a first filter unit, which passes a light in a first wavelength band corresponding to visible light in a first operation mode for obtaining a color image, to guide a light sensed by a sensor unit to pass through the first filter unit; and
operating a second filter unit, which passes a light in a second wavelength band corresponding to an IR in a second operation mode for obtaining a depth image, to guide the light sensed by the sensor unit to pass through the second filter unit, wherein
the first filter is configured to rotate on a first rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit, and
the second filter is configured to rotate on a second rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit.
10. The method of claim 9 , wherein the first filter unit and the second filter unit share a same rotation axis,
the operating of the first filter unit rotates the first filter unit and the second filter unit on the rotation axis and controls the first filter unit to be adjacent to the sensor unit, and
the operating of the second filter unit rotates the first filter unit and the second filter unit on the rotation axis and controls the second filter unit to be adjacent to the sensor unit.
11. The method of claim 9 , wherein the operating of the first filter unit rotates the first filter unit on a first rotation axis and controls the first filter unit to be adjacent to the sensor unit, and
the operating of the second filter unit rotates the second filter unit on a second rotation axis and controls the second filter unit to be adjacent to the sensor unit,
the first rotation axis being a rotation axis of the first filter unit, the second rotation axis being a rotation axis of the second filter unit.
12. A method of obtaining an image, the method comprising:
removing a second filter unit, which passes a light in a second wavelength band corresponding to an IR in a first operation mode for obtaining a color image, to guide a light sensed by a sensor unit to pass through a third filter unit, the third filter unit passing the light in the second wavelength band corresponding to the IR and a light in a first wavelength band corresponding to visible light; and
operating the second filter unit to be adjacent to the sensor unit in a second operation mode for obtaining a depth image to guide the light sensed by the sensor unit to pass through the second filter unit and the third filter unit, wherein
the second filter is configured to rotate on a second rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit.
13. A non-transitory computer-readable recording medium storing a program for implementing a method of obtaining an image, the method comprising:
operating a first filter unit, which passes a light in a first wavelength band corresponding to visible light in a first operation mode for obtaining a color image to guide a light sensed by a sensor unit to pass through the first filter unit; and
operating a second filter unit, which passes a light in a second wavelength band corresponding to an IR in a second operation mode for obtaining a depth image to guide the light sensed by the sensor unit to pass through the second filter unit, wherein
the first filter is configured to rotate on a first rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit, and
the second filter is configured to rotate on a second rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit.
14. A non-transitory computer-readable recording medium storing a program for implementing a method of obtaining an image, the method comprising:
removing a second filter unit, which passes a light in a second wavelength band corresponding to an IR in a first operation mode for obtaining a color image, to guide a light sensed by a sensor unit to pass through a third filter unit, the third filter unit passing the light in the second wavelength band corresponding to the IR and a light in a first wavelength band corresponding to visible light; and
operating the second filter unit to be adjacent to the sensor unit in a second operation mode for obtaining a depth image to guide the light sensed by the sensor unit to pass through the second filter unit and the third filter unit, wherein
the second filter is configured to rotate on a second rotation axis orthogonal to a direction where the light sensed by the sensor unit is incident on the sensor unit.