Ridge Frequency Matlab code
2016-08-23
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function blk_frequency_image calculates the average distance between the ridge peaks. constructed based on the works [1], [2]
[1] S. Chikkerur. Online Fingerprint Verification System, M.Sc. thesis, State University of New York at Buffalo, 2005.
[2] % L. Hong, Y. Wan and A. Jain, "Fingerprint Image Enhancement: Algorithm and Performance Evaluation", IEEE PAMI, Vol 20. No. 8, 1998
function fimg = blk_ridge_frequency_image(img,oimg,N, blks)
-> img - input fingerprint image (uint8)
-> oimg - input orientation image (uint8)
-> N - window block size (for img, oimg)
-> blks = [blks_
[1] S. Chikkerur. Online Fingerprint Verification System, M.Sc. thesis, State University of New York at Buffalo, 2005.
[2] % L. Hong, Y. Wan and A. Jain, "Fingerprint Image Enhancement: Algorithm and Performance Evaluation", IEEE PAMI, Vol 20. No. 8, 1998
function fimg = blk_ridge_frequency_image(img,oimg,N, blks)
-> img - input fingerprint image (uint8)
-> oimg - input orientation image (uint8)
-> N - window block size (for img, oimg)
-> blks = [blks_
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