REFERENCE IMAGE TECHNIQUES FOR THREE-DIMENSIONAL SENSING
First Claim
Patent Images
1. A method, comprising:
- providing a device that projects a pattern of coherent radiation;
capturing a reference image of the pattern using an image sensor by projecting the pattern of the coherent radiation onto a reference surface and engendering a relative motion between the reference surface and the image sensor while capturing the reference image; and
storing the reference image in a memory associated with the device.
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Abstract
A method including providing a device that projects a pattern of coherent radiation. The method further includes capturing a reference image of the pattern using an image sensor by projecting the pattern of the coherent radiation onto a reference surface and engendering a relative motion between the reference surface and the image sensor while capturing the reference image. The method also includes storing the reference image in a memory associated with the device.
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Citations
52 Claims
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1. A method, comprising:
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providing a device that projects a pattern of coherent radiation; capturing a reference image of the pattern using an image sensor by projecting the pattern of the coherent radiation onto a reference surface and engendering a relative motion between the reference surface and the image sensor while capturing the reference image; and storing the reference image in a memory associated with the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method, comprising:
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providing a device that projects a pattern onto an object and captures an image of the pattern on the object using a first image sensor having a first optical characteristic; capturing a reference image of the pattern using a second image sensor having a second optical characteristic enhanced with respect to the first optical characteristic, by projecting the pattern onto a reference surface; registering the reference image in a frame of reference of the device; and storing the reference image in a memory associated with the device. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A method, comprising:
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providing a device that projects a pattern onto an object; capturing a reference image of the pattern using an image sensor by projecting the pattern onto a reference surface located at a first distance from the image sensor and at a second distance, different from the first distance, from the image sensor; registering the reference image in a frame of reference of the device; and storing the reference image in a memory associated with the device. - View Dependent Claims (22, 23, 24, 25)
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26. Apparatus, comprising:
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a projection and imaging device comprising; a projector that projects a pattern of coherent radiation; and an image sensor that captures a reference image of the pattern of coherent radiation projected onto a reference surface; and a processor which is configured to; implement a relative motion between the device and the reference surface while the image sensor captures the reference image, and store the reference image in a memory associated with the device. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34)
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35. Apparatus, comprising:
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a projection and imaging device comprising; a projector that projects a pattern of radiation onto an object; and a first image sensor having a first optical characteristic, that captures an image of the pattern on the object; a second image sensor having a second optical characteristic enhanced with respect to the first optical characteristic and which is configured to capture a reference image of the pattern projected onto a reference surface; and a processor that is configured to; register the reference image in a frame of reference of the device; and store the registered reference image in a memory associated with the device. - View Dependent Claims (36, 37, 38, 39, 40, 41)
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42. Apparatus, comprising:
a projection and imaging device comprising; a projector that projects a pattern of radiation; and an image sensor that captures a reference image of the pattern projected on a reference surface; and
a processor which is configured to;generate the reference image by projecting the pattern onto the reference surface located at a first distance from the image sensor and at a second distance, different from the first distance, from the image sensor, register the reference image in a frame of reference of the device, and store the registered reference image in a memory associated with the device. - View Dependent Claims (43, 44)
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45. A method, comprising:
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providing a device that projects a pattern onto an object; capturing a reference image of the pattern using an image sensor by projecting the pattern onto a reference surface which is oriented with respect to the image sensor to have a first region of the reference surface a first distance from the image sensor and to have a second region of the reference surface a second distance, different from the first distance, from the image sensor; registering the reference image in a frame of reference of the device; and storing the reference image in a memory associated with the device. - View Dependent Claims (46, 47, 48)
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49. Apparatus, comprising:
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a projection and imaging device comprising; a projector that projects a pattern of radiation onto an object; and an image sensor that captures a reference image of the pattern projected onto a reference surface which is oriented with respect to the image sensor to have a first region of the reference surface a first distance from the image sensor and to have a second region of the reference surface a second distance, different from the first distance, from the image sensor; and a processor which is configured to; use the image sensor to capture the reference image by projecting the pattern onto the reference surface, register the reference image in a frame of reference of the device, and store the registered reference image in a memory associated with the device. - View Dependent Claims (50, 51, 52)
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Specification