[1] Chang K C,Tserng H P,Weng KW,et al. Developing bridge monitor platform using GPS and communication technology [C]// Proceedings of the 28th International Symposium on Automation and Robotics in Construction,ISARC,Seoul,Korea, Jun 29- Jul 2,2011: 1172-1177.
[2] Cunha A,Caetano E,Magalhaes F,et al. Recent perspectives in dynamic testing and monitoring of bridges [J]. Structural Control & Health Monitoring(S1545-2255),2013,20(6): 473-496.
[3] LU Chunfeng,LIU Weiwen,ZHANG Yongjie,et al. Experimental Estimating Deflection of a Simple Beam Bridge Model Using Grating Eddy Current Sensors [J]. Sensors(S1424-8220),2012,12(8): 9987-10000.
[5] Economopoulos T L,Asvestas P A,Matsopoulos G K. Contrast enhancement of images using partitioned iterated function systems [J]. Image and Vision Computing(S0262-8856),2010,28(1): 45–54.
[6] Rahman Zia-ur,Jobson D J,Woodel G A. Investigating the relationship between image enhancement and image compression in the context of the multiscale retinex [J]. Journal of Visual Communication and Image Representation(S1095-9076),2011, 22(3): 237–250.
[8] Andrea C Gonzalez,Richard E Woods. Digital Image Processing: Third Edition [M]. Englewood Chiffs: Prentice Hall,2008: 161-194.