A Code-Level Approach to Heterogeneous Iris Recognition
Liu, Nianfeng, Liu, Jing, Sun, Zhenan, Tan, Tieniu
Published in IEEE transactions on information forensics and security (01.10.2017)
Published in IEEE transactions on information forensics and security (01.10.2017)
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Journal Article
LivDet iris 2017 - Iris liveness detection competition 2017
Yambay, David, Becker, Benedict, Kohli, Naman, Yadav, Daksha, Czajka, Adam, Bowyer, Kevin W., Schuckers, Stephanie, Singh, Richa, Vatsa, Mayank, Noore, Afzel, Gragnaniello, Diego, Sansone, Carlo, Verdoliva, Luisa, Lingxiao He, Yiwei Ru, Haiqing Li, Nianfeng Liu, Zhenan Sun, Tieniu Tan
Published in 2017 IEEE International Joint Conference on Biometrics (IJCB) (01.10.2017)
Published in 2017 IEEE International Joint Conference on Biometrics (IJCB) (01.10.2017)
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Conference Proceeding
Accurate iris segmentation in non-cooperative environments using fully convolutional networks
Nianfeng Liu, Haiqing Li, Man Zhang, Jing Liu, Zhenan Sun, Tieniu Tan
Published in 2016 International Conference on Biometrics (ICB) (01.06.2016)
Published in 2016 International Conference on Biometrics (ICB) (01.06.2016)
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Conference Proceeding
DeepIris: Learning pairwise filter bank for heterogeneous iris verification
Liu, Nianfeng, Zhang, Man, Li, Haiqing, Sun, Zhenan, Tan, Tieniu
Published in Pattern recognition letters (15.10.2016)
Published in Pattern recognition letters (15.10.2016)
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Journal Article
Multi-patch convolution neural network for iris liveness detection
Lingxiao He, Haiqing Li, Fei Liu, Nianfeng Liu, Zhenan Sun, Zhaofeng He
Published in 2016 IEEE 8th International Conference on Biometrics Theory, Applications and Systems (BTAS) (01.09.2016)
Published in 2016 IEEE 8th International Conference on Biometrics Theory, Applications and Systems (BTAS) (01.09.2016)
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Conference Proceeding
The generation of new TA(NIM), which is steered by a NIM4 caesium fountain clock
Gao, Yuan, Gao, Xiaoxun, Zhang, Aimin, Wang, Weibo, Ning, Dayu, Wang, Chen, Li, Dawei, Liu, Xiaojin, Liu, Nianfeng, Wang, Ping, Li, Mingshou, Lin, Pingwei, Chen, Weiliang, Lin, Yige, Li, Tianchu
Published in Metrologia (01.12.2008)
Published in Metrologia (01.12.2008)
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Journal Article
Traceability of network time service to UTC(NIM): online calibration
Zhang, Yu, Wang, Yuzhuo, Liu, Nianfeng, Long, Bo, Yang, Zhiqiang, Han, Feng, Zhang, Aimin
Published in Measurement science & technology (01.05.2021)
Published in Measurement science & technology (01.05.2021)
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Journal Article
NIM5 Cs fountain clock and its evaluation
Fang, Fang, Li, Mingshou, Lin, Pingwei, Chen, Weiliang, Liu, Nianfeng, Lin, Yige, Wang, Ping, Liu, Kun, Suo, Rui, Li, Tianchu
Published in Metrologia (01.08.2015)
Published in Metrologia (01.08.2015)
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Journal Article
The microwave down converted from ultra-stable laser by an optical frequency comb
Shaoyang Dai, Fang Fang, Shiying Cao, Nianfeng Liu, Rui Suo, Tianchu Li
Published in 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) (01.07.2017)
Published in 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) (01.07.2017)
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Conference Proceeding
The progress of the NIM6 fountain clock in NIM
Fang Fang, Weiliang Chen, Kun Liu, Nianfeng Liu, Shaoyang Dai, Lei Han, Tianchu Li
Published in 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) (01.08.2017)
Published in 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) (01.08.2017)
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Conference Proceeding
Design of the new NIM6 fountain with collecting atoms from a 3D MOT loading optical molasses
Fang Fang, Weiliang Chen, Kun Liu, Nianfeng Liu, Rui Suo, Tianchu Li
Published in 2015 Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum (01.04.2015)
Published in 2015 Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum (01.04.2015)
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Conference Proceeding
Thermal effect of the microwave Mach-Zehnder interferometric switch
Yu Zhang, Kun Liu, Fang Fang, Nianfeng Liu, Tianchu Li
Published in 2014 IEEE International Frequency Control Symposium (FCS) (01.05.2014)
Published in 2014 IEEE International Frequency Control Symposium (FCS) (01.05.2014)
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Conference Proceeding
Accuracy evaluations of the Cs fountain primary frequency standard NIM5
Fang Fang, Weiliang Chen, Nianfeng Liu, Kun Liu, Rui Suo, Tianchu Li
Published in 2014 IEEE International Frequency Control Symposium (FCS) (01.05.2014)
Published in 2014 IEEE International Frequency Control Symposium (FCS) (01.05.2014)
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Conference Proceeding
Microwave power related frequency shifts of NIM5
Fang Fang, Weiliang Chen, Nianfeng Liu, Kun Liu, Rui Suo, Ping Wang, Tianchu Li
Published in 2012 IEEE International Frequency Control Symposium Proceedings (01.05.2012)
Published in 2012 IEEE International Frequency Control Symposium Proceedings (01.05.2012)
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Conference Proceeding
Microwave leakage shift suppression based on home made DDS
Pingwei Lin, Shi Liu, Nianfeng Liu
Published in 2009 IEEE International Frequency Control Symposium Joint with the 22nd European Frequency and Time forum (01.04.2009)
Published in 2009 IEEE International Frequency Control Symposium Joint with the 22nd European Frequency and Time forum (01.04.2009)
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Conference Proceeding