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说明： 简单的指纹识别 分类图像处理 语言 matlab
(matlab image processing fingerprint identification)
指纹识别_release30\19_7.bmp (66614, 2001-01-11)
指纹识别_release30\22443.bmp (132118, 2000-08-21)
指纹识别_release30\37_3.bmp (66614, 2001-01-11)
指纹识别_release30\37_5_2.bmp (66614, 2001-01-11)
指纹识别_release30\37_7.bmp (66614, 2001-01-11)
指纹识别_release30\centralizing.m (11549, 2004-06-23)
指纹识别_release30\conv2fft.m (6943, 2004-06-19)
指纹识别_release30\Cropping.m (1947, 2004-05-22)
指纹识别_release30\fprec.m (20312, 2004-06-28)
指纹识别_release30\gabor2d_sub.m (642, 2004-04-26)
指纹识别_release30\mirror.m (424, 2004-06-19)
指纹识别_release30\old_version.zip (298672, 2004-06-29)
指纹识别_release30\recrop.m (122, 2004-06-19)
指纹识别_release30\sector_norm.m (2773, 2004-04-26)
指纹识别_release30\vedicentro.m (499, 2004-06-19)
指纹识别_release30\whichsector.m (1203, 2004-04-26)
指纹识别_release30 (0, 2007-12-12)
Unzip all files into Matlab current directory and type
"fprec" to start fingerprint image processing.
Type "helpwin fprec" for more detailed informations.
old_version.zip is the previous release (Fingerprint Recognition System 2.0)
% Filterbank-Based Fingerprint Matching (A.K.Jain, S.Prabhakar, L.Hong and S.Pankanti, 2000)
% With identity fraud in our society reaching unprecedented proportions and with an increasing emphasis on
% the emerging automatic personal identification applications, biometrics-based verification, especially
% fingerprint-based identification, is receiving a lot of attention. There are two major shortcomings
% of the traditional approaches to fingerprint representation. For a considerable fraction of population,
% the representations based on explicit detection of complete ridge structures in the fingerprint are
% difficult to extract automatically. The widely used minutiae-based representation does not utilize a
% significant component of the rich discriminatory information available in the fingerprints. Local ridge
% structures cannot be completely characterized by minutiae. Further, minutiae-based matching has difficulty
% in quickly matching two fingerprint images containing different number of unregistered minutiae points.
% The proposed filter-based algorithm uses a bank of Gabor filters to capture both local and global details
% in a fingerprint as a compact fixed length FingerCode. The fingerprint matching is based on the Euclidean
% distance between the two corresponding FingerCodes and hence is extremely fast. We are able to achieve a
% verification accuracy which is only marginally inferior to the best results of minutiae-based algorithms
% published in the open literature. Our system performs better than a state-of-the-art minutiae-based system
% when the performance requirement of the application system does not demand a very low false acceptance rate.
% Finally, we show that the matching performance can be improved by combining the decisions of the matchers
% based on complementary (minutiae-based and filter-based) fingerprint information.
% Index Terms: Biometrics, FingerCode, fingerprints, flow pattern, Gabor filters, matching, texture, verification.
% Type "fprec" on Matlab command window to start image processing.
% This source code provides a new, improved GUI respect to the previous release.
% Simulation parameters can be changed in this file:
% n_bands: the number of concentric bands
% h_bands: the width of each band in pixels
% n_arcs: the number of arcs (each band has exactly n_arcs arcs)
% h_radius: the inner radius in pixel (the central band is not considered
% because it is a too small area)
% num_disk: the number of gabor filters
% n_sectors and h_lato rapresents respectively the total number of sectors
% (the length of the feature vector associated to each filter of filter-bank:
% there are num_disk gabor filters) and the height of the cropped image in pixels.
% N_secors and h_lato should not be changed.
% $Revision: 1.0 $ $Date: 2002.10.02 $
% $Revision: 2.0 $ $Date: 2003.11.29 $
% $Revision: 3.0 $ $Date: 2004.06.22 $ by Luigi Rosa
% email: email@example.com
% mobile: +393403463208
% website: http://utenti.lycos.it/matlab
% Modified respect to the previous version:
% - Major bugs fixed
% - New GUI
% - 8 Gabor filters 0 22.5 45 67.5 90 112.5 135 157.5 degree
% - Convolution is performed in frequency domain
% - DataBase
% - Fingerprint matching
% - Error management
% - Complex filtering techniques
% - Improved core point determination
% - Robustness against noise
% - Mo ... ...