Image based angle sensor
First Claim
Patent Images
1. An apparatus for image-based positioning of an object comprising:
- (A) an image-capturing device;
(B) a pattern-generating device comprising a structure having a first pole and a second pole opposite of the first pole, the structure includes a gradient pattern that extends from the first pole to the second pole, wherein said image-capturing device is configured to capture at least one image of said pattern-generating device while said pattern-generating device is located outside of said object and separate from said object;
and(C) a processor configured to generate at least one set of pattern data by using said at least one image; and
configured to analyze each said set of generated pattern data in order to determine angular coordinates of said object.
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Abstract
A method of image-based positioning is provided. The method comprises: (A) providing an image-capturing device integrated with an object; (B) providing a pattern-generating device configured to generate a set of patterns; (C) locating the pattern-generating device in a field of view (FOV) of the image-capturing device and capturing an image of the pattern-generating device; (D) generating at least one set of pattern data by using the captured image of the pattern-generating device; and (E) processing each set of generated pattern data by using in order to generate an altitude and/or angular coordinates of the object.
55 Citations
16 Claims
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1. An apparatus for image-based positioning of an object comprising:
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(A) an image-capturing device; (B) a pattern-generating device comprising a structure having a first pole and a second pole opposite of the first pole, the structure includes a gradient pattern that extends from the first pole to the second pole, wherein said image-capturing device is configured to capture at least one image of said pattern-generating device while said pattern-generating device is located outside of said object and separate from said object; and (C) a processor configured to generate at least one set of pattern data by using said at least one image; and
configured to analyze each said set of generated pattern data in order to determine angular coordinates of said object. - View Dependent Claims (2, 3, 4, 5)
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6. A method of image-based positioning of an object using an apparatus comprising an image-capturing device, a pattern-generating device, and a processor;
- said method comprising;
(A) capturing at least one image of said pattern-generating device by using said image-capturing device;
wherein said at least one image is captured while said pattern-generating device is located outside of said object and separate from said object, the pattern-generating device comprising a structure having a first pole and a second pole opposite of the first pole, wherein the structure includes a gradient pattern that extends from the first pole to the second pole, and wherein the image containing at least a portion of the directional gradient pattern of said pattern-generating device;(B) generating at least one set of pattern data by using said at least one image by using said processor; and (C) using said processor to analyze each said set of generated pattern data in order to determine angular coordinates of said object. - View Dependent Claims (7, 8, 9, 10)
- said method comprising;
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11. A method of image-based positioning of an object by using an apparatus comprising an image-capturing device, a pattern-generating device, and a processor;
- said method comprising;
(A) capturing at least one image of said object; (B) capturing an image of said pattern-generating device while said pattern-generating device is located in a field of view (FOV) of said image-capturing device and while said pattern-generating device is located outside of said object and separate from said object, the pattern-generating device comprising a structure having a first pole and a second pole opposite of the first pole, wherein the structure includes a gradient pattern that extends from the first pole to the second pole, and wherein the image containing at least a portion of the directional gradient pattern of said pattern-generating device; (C) extracting, from the image, at least one spatial frequency associated with the target characteristics of said pattern of said pattern-generating device; and (D) processing said at least one spatial frequency to determine a distance of said object from said image-capturing device. - View Dependent Claims (12, 13, 14)
- said method comprising;
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15. An apparatus for distance measurements of an object comprising:
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an image-capturing device; a pattern-generating device comprising a structure having a first pole and a second pole opposite of the first pole, the structure includes a gradient pattern that extends from the first pole to the second pole, wherein said image-capturing device is configured to capture a set of images of said pattern-generating device while said pattern-generating device is located in a field of view (FOV) of said image-capturing device and while said pattern-generating device is located outside of said object and separate from said object; and a processor, wherein said processor is configured to process said set of captured images of said pattern-generating device located in said field of view (FOV) of said image-capturing device, and the processor is also configured to use a scale associated with the set of patterns to determine a distance of said object from said image-capturing device. - View Dependent Claims (16)
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Specification