-
1
-
-
0027700869
-
High confidence visual recognition of persons by a test of statistical independence
-
J Daugman, High confidence visual recognition of persons by a test of statistical independence. IEEE Trans. Pattern Anal. Mach. Intell. 15(11), 1148-1161 (1993)
-
(1993)
IEEE Trans. Pattern Anal. Mach. Intell.
, vol.15
, Issue.11
, pp. 1148-1161
-
-
Daugman, J.1
-
3
-
-
0031236835
-
Iris recognition: An emerging biometrie technology
-
PII S0018921997066346
-
RP Wildes, Iris recognition: an emerging biometric technology. Proc. IEEE. 85(9), 1348-1363 (1997) (Pubitemid 127745626)
-
(1997)
Proceedings of the IEEE
, vol.85
, Issue.9
, pp. 1348-1363
-
-
Wildes, R.P.1
-
4
-
-
0029710874
-
A machinevision system for iris recognition
-
RP Wildes, JC Asmuth, GL Green, SC Hsu, RJ Kolczynski, JR Matey, SE McBride, A machinevision system for iris recognition. Mach. Vis. Appl. 9(1), 1-8 (1996)
-
(1996)
Mach. Vis. Appl.
, vol.9
, Issue.1
, pp. 1-8
-
-
Wildes, R.P.1
Asmuth, J.C.2
Green, G.L.3
Hsu, S.C.4
Kolczynski, R.J.5
Matey, J.R.6
McBride S, E.7
-
5
-
-
33746224769
-
A Human Identification Technique Using Images of the Iris and Wavelet Transform
-
PII S1053587X98029262
-
WW Boles, B Boashash, A human identification technique using images of the iris and wavelet transform. IEEE Trans. Signal Processing 46(4), 1185-1188 (1998) (Pubitemid 128743857)
-
(1998)
IEEE Transactions on Signal Processing
, vol.46
, Issue.4
, pp. 1185-1188
-
-
Boles, W.W.1
Boashash, B.2
-
6
-
-
0347380865
-
Personal identification based on iris texture analysis
-
L Ma, T Tan, Y Wang, D Zhang, Personal identification based on iris texture analysis. IEEE Trans. Pattern Anal. Mach. Intell. 25(12), 1519-1533 (2003)
-
(2003)
IEEE Trans. Pattern Anal. Mach. Intell.
, vol.25
, Issue.12
, pp. 1519-1533
-
-
Ma, L.1
Tan, T.2
Wang, Y.3
Zhang, D.4
-
7
-
-
33947543501
-
Toward noncooperative iris recognition: A classification approach using multiple signatures
-
DOI 10.1109/TPAMI.2007.1016, Special issue on Biometrics: Progress and Directions
-
H Proenca, LA Alexandre, Toward noncooperative iris recognition: a classification approach using multiple signatures. IEEE Trans. Pattern Anal. Mach. Intell. 29(4), 607-612 (2007) (Pubitemid 46464401)
-
(2007)
IEEE Transactions on Pattern Analysis and Machine Intelligence
, vol.29
, Issue.4
, pp. 607-612
-
-
Proenca, H.1
Alexandre, L.A.2
-
8
-
-
84979911620
-
Multimodal biometrics: An overview
-
Vienna, Austria, 6-10 Sept
-
A Ross, AK Jain, Multimodal biometrics: an overview. Paper presented at the 12th European signal processing conference, Vienna, Austria, 6-10 Sept 2004, pp. 1221-1224
-
(2004)
Paper Presented at the 12th European Signal Processing Conference
, pp. 1221-1224
-
-
Ross, A.1
Jain, A.K.2
-
9
-
-
84856345933
-
Novel approaches to improve robustness, accuracy and rapidity of iris recognition systems
-
Y Si, JMei, H Gao, Novel approaches to improve robustness, accuracy and rapidity of iris recognition systems. IEEE Trans. Ind. Informatics 8(1), 110-117 (2012)
-
(2012)
IEEE Trans. Ind. Informatics
, vol.8
, Issue.1
, pp. 110-117
-
-
Si, Y.1
Mei, J.2
Gao, H.3
-
10
-
-
75749093884
-
Rotation invariant iris feature extraction using gaussian markov random fields with non-separable wavelet
-
J Huang, X You, Y Yuan, F Yang, L Lin, Rotation invariant iris feature extraction using Gaussian Markov random fields with non-separable wavelet. Neurocomputing 73(4), 883-894 (2010)
-
(2010)
Neurocomputing
, vol.73
, Issue.4
, pp. 883-894
-
-
Huang, J.1
You, X.2
Yuan, Y.3
Yang, F.4
Lin, L.5
-
11
-
-
47649087963
-
Optimal features subset selection and classification for iris recognition
-
R Kaushik, B Prabir, Optimal features subset selection and classification for iris recognition. EURASIP J. Image Video Process. 2008, 1-20 (2008)
-
(2008)
EURASIP J. Image Video Process.
, vol.2008
, pp. 1-20
-
-
Kaushik, R.1
Prabir, B.2
-
12
-
-
80755150138
-
Iris recognition with an improved empirical mode decomposition method
-
J-C Chang, M-Y Huang, J-C Lee, C-P Chang, T-M Tu, Iris recognition with an improved empirical mode decomposition method. Optical Eng. 48(4), 047007-047021 (2009)
-
(2009)
Optical Eng.
, vol.48
, Issue.4
, pp. 047007-047021
-
-
Chang, J.-C.1
Huang, M.-Y.2
Lee, J.-C.3
Chang, C.-P.4
Tu, T.-M.5
-
13
-
-
77951209253
-
Robust iris indexing scheme using geometric hashing of sift keypoints
-
H Mehrotra, B Majhi, P Gupta, Robust iris indexing scheme using geometric hashing of SIFT keypoints. J. Netw. Comput. Appl. 33(3), 300-313 (2010)
-
(2010)
J. Netw. Comput. Appl.
, vol.33
, Issue.3
, pp. 300-313
-
-
Mehrotra, H.1
Majhi, B.2
Gupta, P.3
-
14
-
-
84876212012
-
Iris recognition using combined statistical and co-occurrence multi-resolutional features
-
J Raja Sekar, S Arivazhagan, S Shobana Priyadharshini, S Shunmugapriya, Iris recognition using combined statistical and co-occurrence multi-resolutional features. Int. J. Pattern Recognit. Artif. Intell. 27(1), 1356001 (2013)
-
(2013)
Int. J. Pattern Recognit. Artif. Intell.
, vol.27
, Issue.1
, pp. 1356001
-
-
Raja Sekar, J.1
Arivazhagan, S.2
Shobana Priyadharshini, S.3
Shunmugapriya, S.4
-
15
-
-
84859158860
-
Noisy iris image matching by using multiple cues
-
T Tan, X Zhang, Z Sun, H Zhang, Noisy iris image matching by using multiple cues. Pattern Recognit. Lett. 33(8), 970-977 (2012)
-
(2012)
Pattern Recognit. Lett.
, vol.33
, Issue.8
, pp. 970-977
-
-
Tan, T.1
Zhang, X.2
Sun, Z.3
Zhang, H.4
-
16
-
-
84863734551
-
Optimal wavelength band clustering for multispectral iris recognition
-
Y Gong, D Zhang, P Shi, J Yan, Optimal wavelength band clustering for multispectral iris recognition. Appl. Optics. 51(19), 4275-4284 (2012)
-
(2012)
Appl. Optics.
, vol.51
, Issue.19
, pp. 4275-4284
-
-
Gong, Y.1
Zhang, D.2
Shi, P.3
Yan, J.4
-
17
-
-
81355138353
-
Fusing color and shape descriptors in the recognition of degraded iris images acquired at visible wavelengths
-
H Proenca, G Santos, Fusing color and shape descriptors in the recognition of degraded iris images acquired at visible wavelengths. Comput. Vis. Image Understand. 116(2), 167-178 (2012)
-
(2012)
Comput. Vis. Image Understand.
, vol.116
, Issue.2
, pp. 167-178
-
-
Proenca, H.1
Santos, G.2
-
18
-
-
0000293183
-
Theory of communication. Part 1: The analysis of information
-
D Gabor, Theory of communication. Part 1: The analysis of information. J. Inst. Electr. Eng. 3 93(26), 429-441 (1946)
-
(1946)
J. Inst. Electr. Eng.
, vol.393
, Issue.26
, pp. 429-441
-
-
Gabor, D.1
-
20
-
-
77954556974
-
Scale invariant gabor descriptor-based noncooperative iris recognition
-
YZ Du, C Belcher, Z Zhou, Scale invariant Gabor descriptor-based noncooperative iris recognition. EURASIP J. Adv. Signal Process. 2010(1), 936512 (2010)
-
(2010)
EURASIP J. Adv. Signal Process.
, vol.2010
, Issue.1
, pp. 936512
-
-
Du Y, Z.1
Belcher, C.2
Zhou, Z.3
-
21
-
-
63149161212
-
Iris recognition using gabor filters and the fractal dimension
-
CC Tsai, JS Taur, CW Tao, Iris recognition using Gabor filters and the fractal dimension. J. Inf. Sci. Eng. 25(2), 633-647 (2009)
-
(2009)
J. Inf. Sci. Eng.
, vol.25
, Issue.2
, pp. 633-647
-
-
Tsai, C.C.1
Taur, J.S.2
Tao, C.W.3
-
22
-
-
33750318668
-
The relative distance of key point based iris recognition
-
DOI 10.1016/j.patcog.2006.03.008, PII S003132030600118X
-
L Yu, D Zhang, K Wang, The relative distance of key point based iris recognition. Pattern Recognit. 40(2), 423-430 (2007) (Pubitemid 44635635)
-
(2007)
Pattern Recognition
, vol.40
, Issue.2
, pp. 423-430
-
-
Yu, L.1
Zhang, D.2
Wang, K.3
-
23
-
-
0346004025
-
Iris recognition based on multichannel gabor filtering
-
Melbourne, Victoria, Australia
-
L Ma, Y Wang, T Tan, Iris recognition based on multichannel Gabor filtering. Paper presented at the fifth Asian conference on computer vision, Melbourne, Victoria, Australia, 2002, vol. 1, pp. 279-283
-
(2002)
Paper Presented at the Fifth Asian Conference on Computer Vision
, vol.1
, pp. 279-283
-
-
Ma, L.1
Wang, Y.2
Tan, T.3
-
24
-
-
35449005349
-
An effective and fast iris recognition system based on a combined multiscale feature extraction technique
-
DOI 10.1016/j.patcog.2007.06.030, PII S0031320307003068, Feature Generation and Machine Learning for Robust Multimodal Biometrics
-
M Nabti, A Bouridane, An effective and fast iris recognition system based on a combined multiscale feature extraction technique. Pattern Recognit. 41(3), 868-879 (2008) (Pubitemid 47632660)
-
(2008)
Pattern Recognition
, vol.41
, Issue.3
, pp. 868-879
-
-
Nabti, M.1
Bouridane, A.2
-
25
-
-
33750111345
-
A novel algorithm of human iris recognition
-
Beijing, China
-
X Li,MXie, A novel algorithm of human iris recognition. Paper presented at the IEEE international symposium on communications and information technology (ISCIT), Beijing, China, 2005, vol. 2, pp. 1231-1234
-
(2005)
Paper Presented at the IEEE International Symposium on Communications and Information Technology ( ISCIT)
, vol.2
, pp. 1231-1234
-
-
Li, X.1
Xie, M.2
-
26
-
-
48649106501
-
An evaluation of iris pattern representations
-
(IEEE, Seoul, Korea
-
J Thornton, M Savvides, BVK Kumar, An evaluation of iris pattern representations, in Proceedings of the First IEEE International Conference on Biometrics: Theory, Applications, and Systems (BTAS), (IEEE, Seoul, Korea, 2007), pp. 1-6
-
(2007)
Proceedings of the First IEEE International Conference on Biometrics: Theory, Applications, and Systems (BTAS)
, pp. 1-6
-
-
Thornton, J.1
Savvides, M.2
Bvk, K.3
-
27
-
-
78650555984
-
Iris recognition method based on the optimized gabor filters
-
IEEE, Yantai, China
-
Z Lin, B Lu, Iris recognition method based on the optimized Gabor filters, in Proceeding on the 3rd International Congress on Image and Signal Processing (CISP), vol. 4, (IEEE, Yantai, China, 2010), pp. 1868-1872
-
(2010)
Proceeding on the 3rd International Congress on Image and Signal Processing (CISP)
, vol.4
, pp. 1868-1872
-
-
Lin, Z.1
Lu, B.2
-
28
-
-
40349108860
-
Design of gabor filter banks for iris recognition
-
IEEE Computer Society, Pasadena, CA, USA
-
CT Chou, SW Shih, DY Chen, Design of Gabor filter banks for iris recognition, in Proceedings of the 2006 International Conference on Intelligent Information Hiding and Multimedia. (IEEE Computer Society, Pasadena, CA, USA, 2006), pp. 403-406
-
(2006)
Proceedings of the 2006 International Conference on Intelligent Information Hiding and Multimedia.
, pp. 403-406
-
-
Chou, C.T.1
Shih, S.W.2
Chen, D.Y.3
-
29
-
-
78649425992
-
Iris recognition using gabor filters optimized by the particle swarm algorithm
-
CC Tsai, CW Tao, JS Taur, Iris recognition using Gabor filters optimized by the particle swarm algorithm. J. Electron. Imaging. 18(2), 023009-023019 (2009)
-
(2009)
J. Electron. Imaging.
, vol.18
, Issue.2
, pp. 023009-023019
-
-
Tsai, C.C.1
Tao, C.W.2
Taur, J.S.3
-
30
-
-
0036811755
-
Comparison of texture features based on Gabor filters
-
DOI 10.1109/TIP.2002.804262
-
SE Grigorescu, N Petkov, P Kruizinga, Comparison of texture features based on Gabor filters. IEEE Trans. Image Process. 11(10), 1160-1167 (2002) (Pubitemid 35359387)
-
(2002)
IEEE Transactions on Image Processing
, vol.11
, Issue.10
, pp. 1160-1167
-
-
Grigorescu, S.E.1
Petkov, N.2
Kruizinga, P.3
-
31
-
-
84904501253
-
Gabor filter optimization design for iris texture analysis
-
T Xu, X Ming, X Yang, Gabor filter optimization design for iris texture analysis. J. Bionics Eng. 1(1), 72-78 (2004)
-
(2004)
J. Bionics Eng.
, vol.1
, Issue.1
, pp. 72-78
-
-
Xu, T.1
Ming, X.2
Yang, X.3
-
32
-
-
0031187375
-
Face recognition by elastic bunch graph matching
-
L Wiskott, J-M Fellous, N Kuiger, C von der Malsburg, Face recognition by elastic bunch graph matching. IEEE Trans. Pattern Anal. Mach. Intell. 19(7), 775-779 (1997) (Pubitemid 127762270)
-
(1997)
IEEE Transactions on Pattern Analysis and Machine Intelligence
, vol.19
, Issue.7
, pp. 775-779
-
-
Wiskott, L.1
Fellous, J.-M.2
Kruger, N.3
Von Malsburg, C.D.4
-
33
-
-
0035483949
-
Statistical richness of visual phase information: Update on recognizing persons by iris patterns
-
DOI 10.1023/A:1012365806338
-
J Daugman, Statistical richness of visual phase information: update on recognizing persons by iris patterns. Int. J. Comput. Vis. 45(1), 25-38 (2001) (Pubitemid 33109995)
-
(2001)
International Journal of Computer Vision
, vol.45
, Issue.1
, pp. 25-38
-
-
Daugman, J.1
-
34
-
-
63749107724
-
Information fusion in personal biometric authentication based on the iris pattern
-
FH Wang, JQ Han, Information fusion in personal biometric authentication based on the iris pattern. Meas. Sci. Technol. 20(4), 045501 (2009)
-
(2009)
Meas. Sci. Technol.
, vol.20
, Issue.4
, pp. 045501
-
-
Wang, F.H.1
Han, J.Q.2
-
35
-
-
0036925744
-
An efficient iris recognition system
-
Y-P Huang, S-W Luo, E-Y Chen, An efficient iris recognition system. Proc. First Int. Conf. Mach. Learn. Cybernet. 1(1), 450-454 (2002)
-
(2002)
Proc. First Int. Conf. Mach. Learn. Cybernet.
, vol.1
, Issue.1
, pp. 450-454
-
-
Huang, Y.-P.1
Luo, S.-W.2
Chen, E.-Y.3
-
36
-
-
4544320357
-
-
Ph.D. Dissertation, Lappeenranta University of Technology, Lappeenranta
-
J-K Kamarainen, Feature extraction using Gabor fillers, Ph.D. Dissertation, Lappeenranta University of Technology, Lappeenranta, 2003
-
(2003)
Feature Extraction Using Gabor Fillers
-
-
Kamarainen, J.-K.1
-
37
-
-
0031187375
-
Face recognition by elastic bunch graph matching
-
L Wiskott, J Fellous, N Kruger, C von der Malsburg, Face recognition by elastic bunch graph matching. IEEE Trans. Pattern Anal. Mach. Intell. 19(7), 775-779 (1997) (Pubitemid 127762270)
-
(1997)
IEEE Transactions on Pattern Analysis and Machine Intelligence
, vol.19
, Issue.7
, pp. 775-779
-
-
Wiskott, L.1
Fellous, J.-M.2
Kruger, N.3
Von Malsburg, C.D.4
-
38
-
-
0346094167
-
Simple Gabor feature space for invariant object recognition
-
DOI 10.1016/j.patrec.2003.10.008
-
V Kyrki, JK Kamarainen, H Kalviainen, Simple Gabor feature space for invariant object recognition. Pattern Recognit. Lett. 25(3), 311-318 (2004) (Pubitemid 38062592)
-
(2004)
Pattern Recognition Letters
, vol.25
, Issue.3
, pp. 311-318
-
-
Kyrki, V.1
Kamarainen, J.-K.2
Kalviainen, H.3
-
39
-
-
0028272616
-
Jmh du buf, n-folded symmetries by complex moments in gabor space and their application to unsupervised texture segmentation
-
J Bigun, JMH du Buf, N-folded symmetries by complex moments in Gabor space and their application to unsupervised texture segmentation. IEEE Trans Pattern Anal. Mach. Intell. 16(1), 80-87 (1994)
-
(1994)
IEEE Trans Pattern Anal. Mach. Intell.
, vol.16
, Issue.1
, pp. 80-87
-
-
Bigun, J.1
-
40
-
-
0031996421
-
Blocking effect reduction of JPEG images by signal adaptive filtering
-
PII S1057714998010124
-
YL Lee, HC Kim, HWPark, Blocking effect reduction of JPEG images by signal adaptive filtering. IEEE Trans. Image Process. 7(2), 229-234 (1998) (Pubitemid 128745340)
-
(1998)
IEEE Transactions on Image Processing
, vol.7
, Issue.2
, pp. 229-234
-
-
Lee, Y.L.1
Kim, H.C.2
Park, H.W.3
-
42
-
-
34548105477
-
Lecture notes in computer science: Geometric particle swarm optimisation. In
-
ed. by M Ebner, M O'Neill, A Ekárt, L Vanneschi, AI Esparcia-Alcázar ( Springer, Berlin
-
A Moraglio, Di C Chio, R Poli, Lecture notes in Computer Science: geometric particle swarm optimisation. In Genetic Programming, ed. by M Ebner, M O'Neill, A Ekárt, L Vanneschi, AI Esparcia-Alcázar (Springer, Berlin, 2007), pp. 125-136
-
(2007)
Genetic Programming
, pp. 125-136
-
-
Moraglio, A.1
Di Chio, C.2
Poli, R.3
-
43
-
-
0031700696
-
A modified particle swarm optimizer
-
(IEEE, Anchorage, AK, USA
-
Y Shi, R Eberhart, A modified particle swarm optimizer, in IEEEWorld Congress on Computational Intelligence: IEEE International Conference on Evolutionary Computation Proceedings, (IEEE, Anchorage, AK, USA, 1998), pp. 69-73
-
(1998)
IEEEWorld Congress on Computational Intelligence: IEEE International Conference on Evolutionary Computation Proceedings
, pp. 69-73
-
-
Shi, Y.1
Eberhart, R.2
-
44
-
-
33847778834
-
A novel binary particle swarm optimization method using artificial immune system
-
1629899, EUROCON 2005 - The International Conference on Computer as a Tool
-
F Afshinmanesh, A Marandi, A Rahimi-Kian, A novel binary particle swarm optimization method using artificial immune system, in The International Conference on Computer as a Tool (EUROCON), vol. 1, (IEEE, Belgrade, Serbia, 2005), pp. 217-220 (Pubitemid 46389005)
-
(2005)
EUROCON 2005 - The International Conference on Computer as a Tool
, vol.I
, pp. 217-220
-
-
Afshinmanesh, F.1
Marandi, A.2
Rahimi-Kian, A.3
-
45
-
-
0031352450
-
A discrete binary version of the particle swarm algorithm
-
(IEEE, Orlando, FL, USA
-
J Kennedy, RC Eberhart, A discrete binary version of the particle swarm algorithm, in IEEE International Conference on Systems, Man, and Cybernetics: Computational Cybernetics and Simulation, vol 5, (IEEE, Orlando, FL, USA, 1997), pp. 4104-4108
-
(1997)
IEEE International Conference on Systems, Man, and Cybernetics: Computational Cybernetics and Simulation
, vol.5
, pp. 4104-4108
-
-
Kennedy, J.1
Eberhart, R.C.2
-
46
-
-
70449707175
-
Comparison and combination of iris matchers for reliable personal authentication
-
A Kumar, A Passi, Comparison and combination of iris matchers for reliable personal authentication. Pattern Recognit. 43(3), 1016-1026 (2010)
-
(2010)
Pattern Recognit.
, vol.43
, Issue.3
, pp. 1016-1026
-
-
Kumar, A.1
Passi, A.2
-
47
-
-
84859155602
-
A fusion approach to unconstrained iris recognition
-
G Santos, E Hoyle, A fusion approach to unconstrained iris recognition. Pattern Recognit. Lett. 33(8), 984-990 (2012)
-
(2012)
Pattern Recognit. Lett.
, vol.33
, Issue.8
, pp. 984-990
-
-
Santos, G.1
Hoyle, E.2
-
48
-
-
64349106046
-
Support vector regression
-
D Basak, S Pal, DC Patranabis, Support vector regression. Neural Inf. Process. Lett. Rev. 11(10), 203-224(2007)
-
(2007)
Neural Inf. Process. Lett. Rev.
, vol.11
, Issue.10
, pp. 203-224
-
-
Basak, D.1
Pal, S.2
Patranabis, D.C.3
-
51
-
-
84904496199
-
-
Accessed 20 Mar
-
JLUBR-IRIS Database, http://biis.jlu.edu.cn. Accessed 20 Mar 2013
-
(2013)
JLUBR-IRIS Database
-
-
-
52
-
-
84904465660
-
-
Specification of CASIA Iris Image Database (ver 1.0) Accessed March 2007
-
Specification of CASIA Iris Image Database (ver 1.0), (Center for Biometrics and Security Research, Chinese Academy of Sciences, 2005), http://www.cbsr.ia.ac.cn/english/IrisDatabase.asp. Accessed March 2007
-
(2005)
Center for Biometrics and Security Research, Chinese Academy of Sciences
-
-
-
53
-
-
80054964647
-
Iris matching based on personalized weight map
-
WB Dong, ZN Sun, TN Tan, Iris matching based on personalized weight map. IEEE Trans. Pattern Anal. Mach. Intell. 33(9), 1744-1757 (2011)
-
(2011)
IEEE Trans. Pattern Anal. Mach. Intell.
, vol.33
, Issue.9
, pp. 1744-1757
-
-
Dong, W.B.1
Sun, Z.N.2
Tan, T.N.3
-
54
-
-
2942628075
-
Efficient iris recognition by characterizing key local variations
-
L Ma, T Tan, Y Wang, D Zhang, Efficient iris recognition by characterizing key local variations. IEEE Trans Image Process 13(6), 739-750 (2004)
-
(2004)
IEEE Trans Image Process
, vol.13
, Issue.6
, pp. 739-750
-
-
Ma, L.1
Tan, T.2
Wang, Y.3
Zhang, D.4
-
55
-
-
33744964001
-
Graph matching iris image blocks with local binary pattern
-
Advances in Biometrics - International Conference, ICB 2006, Proceedings
-
Z Sun, T Tan, X Qiu, Graph matching iris image blocks with local binary pattern, in Advances in Biometrics, ed. by D Zhang, AK Jain. vol. 3832, (Springer, Berlin, 2005), pp. 366-372 (Pubitemid 43856393)
-
(2006)
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
, vol.LNCS 3832
, pp. 366-372
-
-
Sun, Z.1
Tan, T.2
Qiu, X.3
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