Numerical model for image feature extraction
First Claim
Patent Images
1. A method performed by a computer for extracting features from an image, the method comprising:
- dividing the image into a plurality of local regions with a surface appearance of fluid flow;
establishing a mathematical model according to conditions of the plurality of local regions with a surface appearance of fluid flow;
solving the mathematical model; and
mapping respective values of the solutions of the mathematical model to respective local regions of the image.
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Abstract
In one embodiment, the invention is a method for generating geometric patterns from an image having a plurality of ridges and mesh points. The method includes dividing the image into a plurality of local regions with a surface appearance of fluid flow; establishing a mathematical model according to conditions of the plurality of local regions with a surface appearance of fluid flow; solving the mathematical model; and mapping respective values of the solutions of the mathematical model to respective local regions of the image
9 Citations
20 Claims
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1. A method performed by a computer for extracting features from an image, the method comprising:
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dividing the image into a plurality of local regions with a surface appearance of fluid flow;
establishing a mathematical model according to conditions of the plurality of local regions with a surface appearance of fluid flow;
solving the mathematical model; and
mapping respective values of the solutions of the mathematical model to respective local regions of the image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method performed by a computer for image processing of a biometric image, the method comprising:
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dividing the biometric image into a plurality of local regions each with a flow-like pattern;
calculating an intrinsic property of each of the plurality of the local regions according to flow-like pattern to establish numerical relationship between visual appearance of each of the plurality of local regions; and
approximating solutions of a numerical model according to the established numerical relationship to determine features of the biometric image. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A digital signal processor (DSP) having stored thereon a set of instructions including instruction for extracting features from an image and when executed by the DSP causing the DSP to perform the steps of:
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establishing a mathematical model according to conditions of the plurality of local regions with a surface appearance of fluid flow;
solving the mathematical model; and
mapping respective values of the solutions of the mathematical model to respective local regions of the image. - View Dependent Claims (20)
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Specification