Recycling coins from scrap
First Claim
Patent Images
1. A method comprising:
- capturing, by a camera, image data of each piece of a heterogeneous mixture of materials moving in a stream past the camera, wherein the materials in the heterogeneous mixture of materials have various different shapes including one or more different geometric shapes;
classifying the materials that have one or more specified geometric shapes into a first classification;
classifying the materials that do not have the one or more specified geometric shapes into a second classification; and
sorting by an automated sorting device the materials classified into the first classification from the materials classified into the second classification, wherein the materials having the specified geometric shape include monetary coins, wherein the classifying of the materials is performed with a machine learning system implementing one or more machine learning algorithms that have been previously trained to recognize one or more physical characteristics of one or more denominations of the monetary coins.
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Abstract
A material sorting system sorts materials utilizing a vision system that implements a machine learning system in order to identify or classify each of the materials, which are then sorted into separate groups based on such an identification or classification determining that the materials have a specified geometric shape. Such a system can sort monetary coins or other valuable metals from other forms of scrap.
107 Citations
15 Claims
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1. A method comprising:
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capturing, by a camera, image data of each piece of a heterogeneous mixture of materials moving in a stream past the camera, wherein the materials in the heterogeneous mixture of materials have various different shapes including one or more different geometric shapes; classifying the materials that have one or more specified geometric shapes into a first classification; classifying the materials that do not have the one or more specified geometric shapes into a second classification; and sorting by an automated sorting device the materials classified into the first classification from the materials classified into the second classification, wherein the materials having the specified geometric shape include monetary coins, wherein the classifying of the materials is performed with a machine learning system implementing one or more machine learning algorithms that have been previously trained to recognize one or more physical characteristics of one or more denominations of the monetary coins. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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capturing, by a camera, image data of each piece of a heterogeneous mixture of materials moving in a stream past the camera, wherein the materials in the heterogeneous mixture of materials have various different shapes including one or more different geometric shapes; classifying the materials that have one or more specified geometric shapes into a first classification; classifying the materials that do not have the one or more specified geometric shapes into a second classification; and sorting by an automated sorting device the materials classified into the first classification from the materials classified into the second classification, wherein the first classification is monetary coins and specified jewelry. - View Dependent Claims (9)
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10. A system comprising:
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a machine learning system implementing one or more machine learning algorithms that have been previously trained to recognize one or more physical characteristics of one or more denominations of monetary coins; a camera configured to capture image data of each piece of a heterogeneous mixture of materials that includes the one or more denominations of monetary coins and pieces that are not monetary coins; the machine learning system configured to classify certain pieces of the heterogeneous mixture of materials as the one or more denominations of monetary coins as a function of a processing by the one or more machine learning algorithms of the captured image data; and an automatic sorting device configured to sort the certain pieces of the heterogeneous mixture of materials classified as the one or more denominations of monetary coins from a remainder of the heterogeneous mixture of materials. - View Dependent Claims (11, 12, 13)
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14. A computer program product stored on a computer readable storage medium, which when executed, performs a method for classifying materials for sorting, comprising:
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receiving image data of each piece of a heterogeneous mixture of materials moving in a stream past a vision system camera, wherein the materials in the heterogeneous mixture of materials have various different shapes including one or more different closed geometric shapes; classifying the materials that have a specified closed geometric shape into a first classification designated as monetary coins; classifying the materials that do not have the specified closed geometric shape into a second classification, wherein materials composed of electrical box knockouts are classified into the second classification; and sending to an automated sorting device information regarding the classifications so that the automated sorting device can sort the materials classified into the first classification from the materials classified into the second classification, wherein the one or more different closed geometric shapes are selected from a group consisting of circles and polygons. - View Dependent Claims (15)
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Specification