System and a method for detecting a damaged or missing machine part
First Claim
1. A method for detecting a damaged or missing machine part, the method comprising:
- (a) capturing images of a machine and a background, wherein the background moves relative to the machine over time(b) selecting time-separated images which reflect movement of the background relative to the machine;
(c) generating a displacement image from the selected time-separated images, wherein the displacement image provides an indication of movement of each pixel represented in the displacement image between the selected time-separated images;
(d) comparing the machine from the displacement image with a model machine; and
(e) identifying a damaged or missing machine part from the comparison of the machine from the displacement image and the model machine.
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Abstract
A system and a method for detecting a damaged or missing machine part. The system includes an image capturing device for capturing images of the machine and a processor for processing the captured images. The system may further include a sensible output for providing an indication of a damaged or missing machine part. The method includes capturing images of the machine against a background which moves relative to the machine over time, selecting a pair of time-separated images from the captured images, generating a displacement image from the pair of images, comparing the machine from the displacement image with a machine model, and identifying a damaged or missing machine part from the comparison of the displacement image with the machine model. The method may further include providing a sensible output which indicates a damaged or missing machine part.
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Citations
23 Claims
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1. A method for detecting a damaged or missing machine part, the method comprising:
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(a) capturing images of a machine and a background, wherein the background moves relative to the machine over time (b) selecting time-separated images which reflect movement of the background relative to the machine; (c) generating a displacement image from the selected time-separated images, wherein the displacement image provides an indication of movement of each pixel represented in the displacement image between the selected time-separated images; (d) comparing the machine from the displacement image with a model machine; and (e) identifying a damaged or missing machine part from the comparison of the machine from the displacement image and the model machine. - View Dependent Claims (2)
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3. A system for detecting whether a machine part of a machine is damaged or missing, the system comprising:
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(a) an image capturing device for capturing time-separated images of the machine and a background, wherein the background moves relative to the machine over time, and wherein the captured time-separated images are comprised of pixels; and (b) a processor configured to generate a displacement image from time-separated images selected from the captured time-separated images, wherein the displacement image provides an indication of movement of the pixels between the selected time-separated images, and configured to identify from the displacement image whether the machine part is damaged or missing. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for detecting whether a machine part of a machine damaged or missing, the method comprising:
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(a) capturing time-separated images of the machine and a background, wherein the background moves relative to the machine over time, and wherein the captured time-separated images are comprised of pixels; (b) selecting time-separated images which reflect movement of the background relative to the machine; (c) generating a displacement image from the selected time-separated images, wherein the displacement image provides an indication of movement of the pixels between the selected time-separated images; (d) identifying from the displacement image whether the machine part is damaged or missing. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for detecting whether a machine part of a machine is damaged or missing, the method comprising:
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(a) capturing time-separated images of the machine and a background, wherein the background moves relative to the machine over time, and wherein the captured time-separated images are comprised of pixels; (b) initial processing one or more pairs of the captured time-separated images to select time-separated images from the captured time-separated images; (c) generating a displacement image from the selected tune-separated images, wherein the displacement image provides an indication of movement of the pixels between the selected time-separated images; (d) locating a first boundary of the machine in the displacement image; (e) locating a second boundary of the machine in the displacement image; (f) creating a model machine using the first boundary and the second boundary; (g) comparing the machine from the displacement image with the model machine to provide a comparison; and (h) identifying from the comparison whether the machine part is damaged or missing. - View Dependent Claims (22, 23)
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Specification