コード例 #1
0
path = '/home/zhangzimou/Desktop/code_lnk/database/FVC2002/DB1_B'
size, = np.shape(os.listdir(path))
filename = [1]*size #ten different fingerprints. eight images for same fingerprint
count = 0
for file in os.listdir(path):
	filename[count] = file
	count += 1
#search all filenames for same images and acheive correct probability
matchedPoints_max = np.zeros([size,1])
score = np.zeros([size,1])
correct = 0
wrong = 0
i = 0
img1 = cv2.imread(path+'/'+filename[i],0)
imgE1,imgfore1=enhance(img1)
imgB1=basic.binarize(imgE1)
imgT1=pre.thinning(imgB1)
for j in range(size):
	print "Image %d & Image %d" % (i,j)
	#input
	
	img2 = cv2.imread(path+'/'+filename[j],0)
	#decide if they same fingerprints due to index of files
	if i/8 == j/8:
		print "They are from same fingerprint"
	else:
		print "They are from different fingerprint"
	#preprocess for images
	
	imgE2,imgfore2=enhance(img2)
	imgB2=basic.binarize(imgE2)
コード例 #2
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Created on Mon Nov 28 20:52:15 2016

@author: zhangzimou
"""

import cv2
import numpy as np
from matplotlib import pyplot as plt
from matplotlib.patches import Rectangle
from scipy.signal import convolve2d
import time
import sys
sys.path.append("..")
from basic import imshow
import basic
from preprocess import enhance
import preprocess as pre
from minutiaeExtract import minutiaeExtract
from basic import block_view

FVC0 = '/home/zhangzimou/Desktop/code_lnk/database/FVC2000/'
FVC2 = '/home/zhangzimou/Desktop/code_lnk/database/FVC2002/'
FVC4 = '/home/zhangzimou/Desktop/code_lnk/database/FVC2004/'
path = FVC4 + 'DB1_B/'

imgB = basic.binarize(image)
imgT = pre.thinning(imgB)
plt.figure()
plt.imshow(imgB, cmap='gray')
plt.figure()
plt.imshow(imgT, cmap='gray')
コード例 #3
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from minutiaeExtract import minutiaeExtract
from basic import block_view

FVC0 = '/home/zhangzimou/Desktop/code_lnk/database/FVC2000/'
FVC2 = '/home/zhangzimou/Desktop/code_lnk/database/FVC2002/'
FVC4 = '/home/zhangzimou/Desktop/code_lnk/database/FVC2004/'
path = FVC4 + 'DB4_B/'

blockSize = 8

img = cv2.imread(path + '102_1.tif', 0)

img_seg, imgfore = pre.segmentation(img)

img_en = enhance(img)
imgB = basic.binarize(img_en)
imgT = pre.thinning(imgB)

plt.figure()
imshow(img_seg)
plt.figure()
plt.imshow(imgB, cmap='gray')
plt.figure()
plt.imshow(imgT, cmap='gray')

ending, bifur, theta1, theta2 = minutiaeExtract(imgT, imgfore)
plt.plot(ending.T[1], ending.T[0], 'b.', bifur.T[1], bifur.T[0], 'r.')
plt.quiver(ending.T[1],
           ending.T[0],
           np.cos(theta1),
           np.sin(-theta1),
コード例 #4
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FVC0='/home/zhangzimou/Desktop/code_lnk/database/FVC2000/'
FVC2='/home/zhangzimou/Desktop/code_lnk/database/FVC2002/'
FVC4='/home/zhangzimou/Desktop/code_lnk/database/FVC2004/'
path=FVC2+'DB1_B/'



blockSize=8

img=cv2.imread(path+'108_3.tif',0)



imgE,imgfore=enhance(img)
imgB=basic.binarize(imgE)
imgT=pre.thinning(imgB)

#plt.figure()
#imshow(img)
plt.figure()
plt.imshow(imgE,cmap='gray')
plt.figure()
plt.imshow(imgT,cmap='gray')


ending,bifur,theta1,theta2=minutiaeExtract(imgT,imgfore)
plt.plot(ending.T[1],ending.T[0],'b.',bifur.T[1],bifur.T[0],'r.')
plt.quiver(ending.T[1],ending.T[0],np.cos(theta1),np.sin(-theta1),color='b',width=0.003)
plt.quiver(bifur.T[1],bifur.T[0],np.cos(theta2),np.sin(-theta2),color='r',width=0.003)
コード例 #5
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import basic
from preprocess import enhance
import preprocess as pre
from minutiaeExtract import minutiaeExtract

start = time.clock()
img_origin = cv2.imread('../pic4.tif', 0)
img_origin, imgfore = pre.segmentation(img_origin)
blockSize = 16
theta = pre.calcDirection(img_origin, blockSize)
wl = pre.calcWl(img_origin, blockSize)
#img=ridgeComp2(img,theta,blockSize)
img_enhance = pre.GaborFilter(img_origin, blockSize, wl, np.pi / 2 - theta)
img_enhance[np.where(imgfore == 255)] = 255

img_thin = pre.thinning(basic.binarize(img_enhance))
ending, bifur, theta1, theta2 = minutiaeExtract(img_thin, imgfore)
ending, bifur = ending.T, bifur.T

end = time.clock()
print end - start
plt.figure()
imshow(img_origin)
N, M = img_origin.shape
X, Y = np.mgrid[0:N:blockSize, 0:M:blockSize]
plt.quiver(Y, X, np.cos(theta), np.sin(theta), color='r')
plt.figure()
imshow(img_enhance)
plt.figure()
plt.imshow(img_thin, cmap='gray')
plt.figure()