[1] ZHANG Wujie，YANG Yilu，LI Di. Key algorithms of automatic image measuring system [J]. Optics and Precision Engineering，2007，15(2)：294-301.

[2] CAO X，SHEN W，YU L G. Illumination invariant extraction for face recognition using neighboring wavelet coefficients [J].Pattern Recognition(S0031-3203)，2012，45(4)：1299-1305.

[3] HU Han，SHAN Shiguang，CHEN Xilin，et al. Illumination transfer using homomorphic wavelet filtering and its application to light insensitive face recognition [C]// IEEE International Conference on AFGR，Piscataway，2008，12：206-221.

[4] LI Xin，ZHAO Yigong，CHEN Bing，et al. Approach to dim and small target detection based fuzzy classication [J]. Optics and Precision Engineering，2009，17(9)：2311-2320.

[5] Erikson Mats. Two preprocessing techniques based on grey level and geometric thickness to improve segmentation results [J].Pattern Recognition Letters(S0167-8655)，2006，27(3)：160-166.

[6] Chang Shyang-Lih，Chen Li-Shien，Chung Yun-Chung，et al. Automatic license plate recognition [J]. IEEE Transactions on Intelligent Transportation Systems(S1524-9050)，2004，5：42-53.

[7] JIA Ping，XU Ning，ZHANG Ye. Automatic target recognition based on local feature extraction [J]. Optics and Precision Engineering，2013，21(7)：1898-1904.

[8] ARTH T，DUMBGEN L，MASTER R. Bayesian illumination invariant motion detection [C]// Proceedings of International Conference on Image Processing，Los Alamitos，2001，3：640-643.

[9] CHENG F C，HUANG S C. Illumination sensitive background modeling approach for accurate moving object detection [J].IEEE Transactions on Broadcasting(S0018-9316)，2011，57(4)：794-801.

[10] QIAO Naosheng，YE Yutang，MO Chunhua. Method for nonuniform illumination ecdysis emendation and thresholding segmentation in PCB photoelectricity image [J]. Acta Photonica Sinica，2009，38(11)：2999-3003.

[11] ZHAO Xudong，LIU Peng，TANG Jianglong. Background modeling adaptive to outdoor illumination variation and foreground detection approach [J]. Acta Automatica Sinica，2011，37(8)：915-922.

[12] WEI Zhenzhong，ZHANG Guangjun，LI Xin. The application of machine vision in inspecting position-control accuracy of motor control systems [C]// Proceedings of the Fifth International Conference on Electrical Machines and Systems，Shenyang，China，2001：121-135.

[13] ZHANG Xinming，SHEN Lansun. Image contrast enhancement by wavelet based homomorphic filtering [J]. Acta Electronica Sinic，2001，29(4)：531-533.

[14] Ojala T，Pietik ainen M，M aenp a a T. Multiresolution gray-scale and rotation invariant texture classi-cation with localbinary patterns [J]. IEEE Transactions on Pattern Analysis and Machine Intelligence(S0162-8828)，2002，24(7)：971-987.

[15] ZHAO Guoying，HUANG Xiaohua，Matti Taini，et al. Facial expression recognition from near-infrared videos [J]. Image and Vision Computing(S0262-8856)，2011，29(9)：607-619.

[16] ZHANG Chaoliang，JIANG Hanhong，JIANG Chunliang. Detecting Infrared Small Targets Based on SIFT and Weighted Entropy [J]. Opto-Electronic Engineering，2010，37(11)：19-25.