Coherent Point Drift for Biometric Identification: Ear Recognition
Biometrics is being more and more widely used in recently year owing to the irreproducible characteristics of the human body. As one kind of biometrics, the ear has its own characters: the structure of the ear is rich and stable, and does not change radically over time; the ear is less variability with expressions, and has a more uniform distribution of color than faces. These unique characters of the ear make it possible to make up the drawbacks of other biometrics and to enrich the biometrics identification technology. At present ear recognition technology has been developed from the initial feasible research to the stage of how to enhance ear recognition performance further, for instance, 3D ear recognition, ear recognition with occlusion, and multi-pose ear recognition.
We have developed a simple and fast algorithm for ear recognition based on Principal Component Analysis that is capable to recognize ears with a low error rate. Moreover code is capable to perform 1:1 verification using an approach based on Coherent Point Drift (CPD) with a high degree of accuracy. The code for CPD has been developed by Andriy Myronenko and it is available at http://www.bme.ogi.edu/~myron/matlab/cpd/. CPD is an excellent Matlab toolbox for rigid, affine and non-rigid point set registration and matching and allows to align two N-D point sets and recover the correspondences.
The proposed algorithm has been tested on USTB Ear Image Databases, using Dataset #1, that includes 185 ear images of 60 persons.
Index Terms: Matlab, source, code, ear, recognition, identification, matching, CPD, coherent, point, drift, PCA.
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Figure 1. Ear |
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A simple and effective source code for Ear Recognition System. |
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Demo code (protected P-files) available for performance evaluation. Matlab Image Processing Toolbox is required.
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Release
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Date
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Major features
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1.0
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2009.07.15 |
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We recommend to check the secure connection to PayPal, in order to avoid any fraud. |
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Ear Recognition System. Click here for your donation. In order to obtain the source code you have to pay a little sum of money: 200 EUROS (less than 280 U.S. Dollars).
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Once you have done this, please email us luigi.rosa@tiscali.it
As soon as possible (in a few days) you will receive our new release of Ear Recognition System. Alternatively, you can bestow using our banking coordinates:
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The authors have no relationship or partnership with The Mathworks. All the code provided is written in Matlab language (M-files and/or M-functions), with no dll or other protected parts of code (P-files or executables). The code was developed with Matlab 2006a. Matlab Image Processing Toolbox is required. The code provided has to be considered “as is” and it is without any kind of warranty. The authors deny any kind of warranty concerning the code as well as any kind of responsibility for problems and damages which may be caused by the use of the code itself including all parts of the source code.
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