Dimensioning and Barcode Reading System
First Claim
1. A method of calibrating a barcode scanning tunnel, said method comprising:
- a. providing a scanning tunnel havingi. a moveable surface,ii. at least one camera having an orientation; and
iii. at least one calibration object having at least one indicia disposed in a predetermined relationship to one or more features of said at least one calibration object;
b. capturing at least one image of said at least one calibration object by said at least one camera when the calibration object is on the moveable surface;
c. electronically detecting said at least one calibration object at least one indicia and said one or more object features and determining information relating the at least one indicia to the one or more object features based on a value of at least one component of said at least one camera'"'"'s orientation with respect to said moveable surface;
d. electronically revising the value of the at least one component in response to the information.
3 Assignments
0 Petitions
Accused Products
Abstract
A system and method for auto-calibrating a barcode scanning tunnel to determine the orientation of one or more cameras with respect to a range finder and a conveyor belt comprises providing a scanning tunnel having a moveable surface, at least one range finder having an orientation, at least one camera having an orientation and at least one calibration object having at least one indicia disposed in a predetermined relationship to one or more features of the at least one calibration object, capturing at least one image of the at least one calibration object by the at least one camera, electronically detecting the at least one calibration object at least one indicia and the one or more object features and electronically calculating at least one component of the at least one camera orientation with respect to the moveable surface in response to information obtained from the image and the at least one calibration object at least one indicia.
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Citations
20 Claims
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1. A method of calibrating a barcode scanning tunnel, said method comprising:
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a. providing a scanning tunnel having i. a moveable surface, ii. at least one camera having an orientation; and iii. at least one calibration object having at least one indicia disposed in a predetermined relationship to one or more features of said at least one calibration object; b. capturing at least one image of said at least one calibration object by said at least one camera when the calibration object is on the moveable surface; c. electronically detecting said at least one calibration object at least one indicia and said one or more object features and determining information relating the at least one indicia to the one or more object features based on a value of at least one component of said at least one camera'"'"'s orientation with respect to said moveable surface; d. electronically revising the value of the at least one component in response to the information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of calibrating a barcode scanning tunnel, said method comprising:
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a. providing a scanning tunnel having i. a moveable surface, ii. a range finder having an orientation with respect to said moveable surface, iii. a plurality of cameras each having an orientation with respect to said movable surface and said range finder; and iv. a first and a second calibration object each having a plurality of indicia disposed in predetermined relationships to one or more features of each of said first and second calibration objects; b. capturing a first image of said first calibration object by each of said plurality of cameras; c. capturing a second image of said second calibration object by each of said plurality of cameras; d. electronically detecting each of said first and said second calibration object plurality of indicia visible in each of said first images and said second images and each of said one or more object features of said first and said second calibration objects by said plurality of cameras and electronically determining information relating the plurality of indicia to the one or more object features based on a value of at least one component of each said camera'"'"'s orientation with respect to the moveable surface; and e. electronically revising the value of the at least one component of each said camera'"'"'s orientation in response to the information. - View Dependent Claims (17, 18)
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19. A method of calibrating a barcode scanning tunnel, said method comprising:
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a. providing a scanning tunnel having i. a conveyor belt, ii. a range finder having an orientation with respect to said conveyor belt, iii. a plurality of cameras each having an orientation with respect to said conveyor belt and said range finder; and iv. a calibration box having a predefined length, width and height and a plurality of barcodes disposed in respective predetermined relationships to at least one edge of said calibration box; b. capturing at least one image of said calibration box by said range finder; c. capturing an image of said calibration box by each of said plurality of cameras; d. electronically detecting at least one of said length, said width and said height of said calibration box from said at least one range finder image; e. electronically detecting at least one of said calibration box plurality of barcodes in said plurality of camera images and determining information about positions of the barcodes on the calibration box based on one or more values of the orientations of the cameras; and f. electronically revising each of the orientations with respect to said conveyor belt in response to the information. - View Dependent Claims (20)
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Specification