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Block Statistic for Palmprint Recognition Based on High Frequency Coefficients under Wavelet Transform
Abstract:
Palmprint recognition for identification provides a new scheme for information security. This paper presents a block statistic method based on high frequency coefficients under wavelet transform for palmprint identification. Firstly, the method decomposes region of interest (ROI) of the palmprint with the wavelet transform. Then it blocks the high-frequency sub-image. The mean and the variance for each sub-block are found. All the means and the variances constitute feature vector for the image. At last the nearest neighbor classifier is used to classify the images. The method was tested on the basis of UST palmprint image database. From the experimental results, the method can satisfy the uses without excessive demands for collection images.
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1287-1291
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Online since:
June 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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