Pattern recognition for sheet metal part models
First Claim
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1. A method of specifying characteristics of a sheet metal product, comprising:
- obtaining feature vectors derived from at least one characteristic extraction method.
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Abstract
Analysis is performed on sheet metal products to determine characteristics (or feature vectors) of the sheet metal products. Multiple feature vectors can be obtained for each sheet metal product. Exemplary analyses include a first order moment and a second order moment. The characteristics can be compared with characteristics of other sheet metal part shapes to determine how similar the shapes are.
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Citations
31 Claims
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1. A method of specifying characteristics of a sheet metal product, comprising:
obtaining feature vectors derived from at least one characteristic extraction method. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A computer readable medium storing a program for specifying characteristics of a sheet metal product, comprising:
a feature vector code segment that obtains feature vectors derived from at least one characteristic extraction method. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for searching for similar sheet metal part shapes, comprising:
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inputting a freehand sketch representing a sheet metal part shape;
determining at least one feature vector of the input sheet metal part shape; and
comparing the at least one feature vector of the input sheet metal part shape with at least one corresponding feature vector of another sheet metal part shape to determine a degree of similarity between the sheet metal part shapes. - View Dependent Claims (25, 26, 27)
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28. A computer readable medium storing a program for searching for similar sheet metal part shapes, comprising:
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an input code segment that accepts input of a freehand sketch representing a sheet metal part shape that is used as a key part shape;
a feature vector code segment that determines at least one feature vector of the key part shape; and
a similarity analysis code segment that compares the at least one feature vector of the key part shape with at least one corresponding feature vector of another sheet metal part shape to determine a degree of similarity between the sheet metal part shapes. - View Dependent Claims (29, 30, 31)
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Specification