[1] Qi G, He X B. Analysis of key technologies in intelligent video surveillance[J]. Computer Knowledge and Technology, 10, 5093-5094(2014).
[2] -05-19) [2020-07-24]. http:∥www.rmzxb.com.cn/c/2020-05-19/2574838.shtml.(2020).
[3] Wang G Y. Problems. 34):[J]. countermeasures of video surveillance in public places in my country . Legal System, Society, 151, 169(2019).
[4] Xu C[J]. Intelligent video surveillance system under new security form Electronic Technology & Software Engineering, 2016, 90.
[5] Liu D M, Sun Q Z. Distributed optical fiber sensing technology and its applications[J]. Laser & Optoelectronics Progress, 46, 29-33(2009).
[6] Cao Y K[J]. Distributed optical fiber sensing technology helps intelligent maintenance of communication lines Information Technology and Informatization, 2019, 217-219.
[7] Chen L A[J]. Research on application of distributed optical fiber sensing system in petroleum pipeline monitoring Automation Application, 2017, 77-79, 81.
[8] Liu T G, Yu Z, Jiang J F et al. Advances of some critical technologies in discrete and distributed optical fiber sensing research[J]. Acta Physica Sinica, 66, 070705(2017).
[9] Tang J X, Xie C L, Fang B M et al. Application of optical fiber sensing technology to rail transit operation lines[J]. Tunnel Construction, 39, 398-405(2019).
[10] Yuan F C. Application of distributed optical fiber sensing technology based intelligent monitoring system on OCS of high speed railway[J]. Electric Railway, 30, 58-60(2019).
[11] Bao X Y, Chen L. Recent progress in distributed fiber optic sensors[J]. Sensors, 12, 8601-8639(2012).
[12] Lee B. Review of the present status of optical fiber sensors[J]. Optical Fiber Technology, 9, 57-79(2003). http://www.sciencedirect.com/science/article/pii/S1068520002005278?via%3Dihub
[13] An J C, Jiang J F, Xu Z Y et al. Design of composite intrusion detection system based on optical fiber sensor and infrared video[J]. Infrared and Laser Engineering, 49, 20190446(2020).
[14] Liu K, Zhang L W, Jiang J F et al. Distributed optical fiber sensor perimeter security system based on UAV video linkage[J]. Journal of Optoelectronics·Laser, 30, 1244-1251(2019).
[15] Li Y, Liu T G, Wang S J et al. All fiber distributed long-distance perimeter security monitoring system with video linkage function[J]. Journal of Optoelectronics·Laser, 24, 1752-1757(2013).
[16] Shiloh L, Eyal A. Distributed acoustic and vibration sensing via optical fractional Fourier transform reflectometry[J]. Optics Express, 23, 4296-4306(2015).
[17] Wang S, Fan X Y, Liu Q W et al. Distributed fiber-optic vibration sensing based on phase extraction from time-gated digital OFDR[J]. Optics Express, 23, 33301-33309(2015).
[18] Ding Z Y, Wang C H, Liu K et al. Distributed optical fiber sensors based on optical frequency domain reflectometry: A review[J]. Sensors, 18, E1072(2018). http://europepmc.org/abstract/MED/29614024
[19] Steinberg I, Shiloh L, Gabai H et al. Over 100 km long ultra-sensitive dynamic sensing via Gated-OFDR[J]. Proceedings of SPIE, 9634, 96341B(2015). http://spie.org/Publications/Proceedings/Paper/10.1117/12.2194873
[20] Venkatesh S, Sorin W V. Phase noise considerations in coherent optical FMCW reflectometry[J]. Journal of Lightwave Technology, 11, 1694-1700(1993). http://ieeexplore.ieee.org/document/249912
[21] Geng J H, Spiegelberg C, Jiang S B. Narrow linewidth fiber laser for 100-km optical frequency domain reflectometry[J]. IEEE Photonics Technology Letters, 17, 1827-1829(2005).
[22] Ding Z Y, Yao X S, Liu T G et al. Long measurement range OFDR beyond laser coherence length[J]. IEEE Photonics Technology Letters, 25, 202-205(2013).
[23] Soller B J, Kreger S T, Gifford D K et al. Optical frequency domain reflectometry for single- and multi-mode avionics fiber-optics applications[C]∥IEEE Conference Avionics Fiber-Optics and Photonics, Sept 12-14, 2006, Annopolis, MD, USA., 38-39(2006).
[24] Ding Z Y, Yang D, Liu K et al. Long-range OFDR-based distributed vibration optical fiber sensor by multicharacteristics of Rayleigh scattering[J]. IEEE Photonics Journal, 9, 6604410(2017). http://ieeexplore.ieee.org/document/8037996/
[25] Liu T G, Du Y, Ding Z Y et al. 40-km OFDR-based distributed disturbance optical fiber sensor[J]. IEEE Photonics Technology Letters, 28, 771-774(2015). http://www.researchgate.net/publication/288887718_40-km_OFDR-Based_Distributed_Disturbance_Optical_Fiber_Sensor
[26] Ding Z, Yao X S, Liu T et al. Long-range vibration sensor based on correlation analysis of optical frequency-domain reflectometry signals[J]. Optics Express, 20, 28319-28329(2012).
[27] Xie S R, Zou Q L, Wang L W et al. Positioning error prediction theory for dual Mach-Zehnder interferometric vibration sensor[J]. Journal of Lightwave Technology, 29, 362-368(2011).
[28] Hoffman P R, Kuzyk M G. Position determination of an acoustic burst along a Sagnac interferometer[J]. Journal of Lightwave Technology, 22, 494-498(2004).
[29] Hong G W, Jia B, Tang H. Location of a wideband perturbation using a fiber fox-smith interferometer[J]. Journal of Lightwave Technology, 25, 3057-3061(2007). http://www.opticsinfobase.org/abstract.cfm?uri=JLT-25-10-3057
[30] Mahmoud S S, Katsifolis J. Elimination of rain-induced nuisance alarms in distributed fiber optic perimeter intrusion detection systems[J]. Proceedings of SPIE, 7316, 731604(2009). http://spie.org/Publications/Proceedings/Paper/10.1117/12.818096
[31] Sun Q Z, Liu D M, Wang J et al. Distributed fiber-optic vibration sensor using a ring Mach-Zehnder interferometer[J]. Optics Communications, 281, 1538-1544(2008). http://www.sciencedirect.com/science/article/pii/S0030401807012175
[32] Chen Q N, Liu T G, Liu K et al. An elimination method of polarization-induced phase shift and fading in dual Mach-Zehnder interferometry disturbance sensing system[J]. Journal of Lightwave Technology, 31, 3135-3141(2013). http://ieeexplore.ieee.org/document/6575112
[33] Pan L, Liu K, Jiang J F et al. An improved polarization compensation method for interferometric fiber-optic intrusion sensors[J]. IEEE Photonics Technology Letters, 29, 834-837(2017). http://ieeexplore.ieee.org/document/7896600
[34] Ma C Y, Liu T G, Liu K et al. A gain compensation method for the long-range distributed fiber disturbance sensor[J]. Proceedings of SPIE, 10025, 100250B(2016). http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2579664
[35] Ma C Y, Liu T G, Liu K et al. Long-range distributed fiber vibration sensor using an asymmetric dual Mach-Zehnder interferometers[J]. Journal of Lightwave Technology, 34, 2235-2239(2016). http://www.onacademic.com/detail/journal_1000038654613710_0aab.html
[36] Wang Z N, Zhang L, Wang S et al. Coherent Φ-OTDR based on I/Q demodulation and homodyne detection[J]. Optics Express, 24, 853-858(2016).
[37] Muanenda Y, Faralli S, Oton C J et al. Dynamic phase extraction in a modulated double-pulse ϕ-OTDR sensor using a stable homodyne demodulation in direct detection[J]. Optics Express, 26, 687-701(2018).
[38] Lu B, Pan Z, Wang Z et al. High spatial resolution phase-sensitive optical time domain reflectometer with a frequency-swept pulse[J]. Optics Letters, 42, 391-394(2017). http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-42-3-391
[39] He X, Xie S, Liu F et al. Multi-event waveform-retrieved distributed optical fiber acoustic sensor using dual-pulse heterodyne phase-sensitive OTDR[J]. Optics Letters, 42, 442-445(2017). http://europepmc.org/abstract/MED/28146497
[40] Peng F, Duan N, Rao Y J et al. Real-time position and speed monitoring of trains using phase-sensitive OTDR[J]. IEEE Photonics Technology Letters, 26, 2055-2057(2014). http://ieeexplore.ieee.org/document/6876143
[41] Liang G H, Jiang J F, Liu K et al. Phase demodulation method based on a dual-identical-chirped-pulse and weak fiber Bragg gratings for quasi-distributed acoustic sensing[J]. Photonics Research, 8, 1093(2020). http://www.opticsjournal.net/Articles/Abstract?aid=OJd3fce6b29e76d30c
[42] Ma P F, Liu K, Sun Z S et al. Distributed single fiber optic vibration sensing with high frequency response and multi-points accurate location[J]. Optics and Lasers in Engineering, 129, 106060(2020). http://www.sciencedirect.com/science/article/pii/S0143816619318858
[43] Huang X D, Yu J, Liu K et al. Configurable filter-based endpoint detection in DMZI vibration system[J]. IEEE Photonics Technology Letters, 26, 1956-1959(2014).
[44] Ma C Y, Liu T G, Liu K et al. A continuous wavelet transform based time delay estimation method for long range fiber interferometric vibration sensor[J]. Journal of Lightwave Technology, 34, 3785-3789(2016). http://ieeexplore.ieee.org/document/7497590
[45] Huang X D, Wang Y D, Liu K et al. High-efficiency endpoint detection in optical fiber perimeter security[J]. Journal of Lightwave Technology, 34, 5049-5055(2016).
[46] Chen Q N, Liu T G, Liu K et al. An improved positioning algorithm with high precision for dual Mach-Zehnder interferometry disturbance sensing system[J]. Journal of Lightwave Technology, 33, 1954-1960(2015). http://ieeexplore.ieee.org/document/7042737
[47] Ma P F, Sun Z S, Liu K et al. Distributed fiber optic vibration sensing with wide dynamic range, high frequency response, and multi-points accurate location[J]. Optics & Laser Technology, 124, 105966(2020). http://www.sciencedirect.com/science/article/pii/S0030399219313891
[48] Liu K, Ma P F, An J C et al. Endpoint detection of distributed fiber sensing systems based on STFT algorithm[J]. Optics & Laser Technology, 114, 122-126(2019).
[49] Liu K, Ma P F, Jiang J F et al. An S-transform-based positioning method for asymmetric interferometer disturbance sensors[J]. Journal of Lightwave Technology, 37, 3201-3207(2019). http://ieeexplore.ieee.org/document/8695151
[50] Ma P F, Liu K, Jiang J F et al. Probabilistic event discrimination algorithm for fiber optic perimeter security systems[J]. Journal of Lightwave Technology, 36, 2069-2075(2018). http://ieeexplore.ieee.org/document/8281013
[51] Li Y L[J]. Key technology analysis of HD surveillance cameras China Digital Cable TV, 2019, 84-87.
[52] Tang C Y, Pu S L, Ye P Z et al. Fusion of low-illuminance visible and near-infrared images based on convolutional neural networks[J]. Acta Optica Sinica, 40, 1610001(2020).
[53] Jung T Y, Son D M, Lee S H. Visible and NIR image blending for night vision[C]∥International Conference on Image Processing, Computer Vision and Pattern Recognition(IPCV). 2019., 110-113(2019).
[54] Su H, Jung C. Multi-spectral fusion and denoising of RGB and NIR images using multi-scale wavelet analysis[C]∥2018 24th International Conference on Pattern Recognition (ICPR). Beijing, China.(2018).
[55] Dai L. -12-21[P]. Tang B. Original image data noise reduction system, method based on FPGA platform: CN201210526985.2.(2016).
[56] He L, Shao Z P, Zhang J H et al. Review of deep learning-based action recognition algorithms[J]. Computer Science, 47, 139-147(2020).
[57] Bobick A, Davis J. An appearance-based representation of action[C]∥Proceedings of the 13th International Conference on Pattern Recognition. August 25-29, 1996, Vienna, Austria.(1996).
[58] Weinland D, Ronfard R, Boyer E. Free viewpoint action recognition using motion history volumes[J]. Computer Vision and Image Understanding, 104, 249-257(2006).
[59] Wang Y B, Xu W. Leveraging deep learning with LDA-based text analytics to detect automobile insurance fraud[J]. Decision Support Systems, 105, 87-95(2018).
[60] Ijjina E P, Krishna Mohan C. Hybrid deep neural network model for human action recognition[J]. Applied Soft Computing, 46, 936-952(2016).
[61] Dai L, Li Z G, Zhu M. Vehicle-behavior analysis, camera device: CN103646544A[P]. -03-19(2014).
[62] Du Y, Liu T G, Ding Z Y et al. Distributed magnetic field sensor based on magnetostriction using Rayleigh backscattering spectra shift in optical frequency-domain reflectometry[J]. Applied Physics Express, 8, 012401(2015).
[63] Ding Z Y, Wang C H, Liu K et al. Distributed measurements of external force induced local birefringence in spun highly birefringent optical fibers using polarimetric OFDR[J]. Optics Express, 27, 951-964(2019). http://www.researchgate.net/publication/330328660_Distributed_measurements_of_external_force_induced_local_birefringence_in_spun_highly_birefringent_optical_fibers_using_polarimetric_OFDR
[64] Ding Z Y, Du Y, Liu T G et al. Distributed optical fiber current sensor based on magnetostriction in OFDR[J]. IEEE Photonics Technology Letters, 27, 2055-2058(2015). http://ieeexplore.ieee.org/document/7150544
[65] Ding Z, Sun K, Liu K et al. Distributed refractive index sensing based on tapered fibers in optical frequency domain reflectometry[J]. Optics Express, 26, 13042-13054(2018). http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-26-10-13042
[66] Ding Z Y, Yang D, Du Y et al. Distributed strain and temperature discrimination using two types of fiber in OFDR[J]. IEEE Photonics Journal, 8, 1-8(2016).
[67] Cui J, Zhao S, Yang D et al. Investigation of the interpolation method to improve the distributed strain measurement accuracy in optical frequency domain reflectometry systems[J]. Applied Optics, 57, 1424-1431(2018). http://www.ncbi.nlm.nih.gov/pubmed/29469843