基本信息科学研究教学研究论文著作
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工作经历
2006.07-2013.12，哈尔滨工业大学，数学系，讲师2007.06-2011.09，哈尔滨工业大学，数学系，博士后2013.12-今， 哈尔滨工业大学，数学系，副教授2015.07-2016.07，美国加州大学欧文分校，访问学者


教育经历
1996.09-2000.06，吉林大学，数学系，基础数学，学士2000.09-2003.06，吉林大学，数学学院，计算数学，硕士2003.09-2006.06，吉林大学，数学学院，计算数学，博士


荣誉称号

主要任职
研究领域
图像处理偏微分方程数值解


团队成员
主要成员


科研项目

奖项成果
讲授课程
本科课程 数学模型

研究生课程 数值分析

偏微分方程数值解法

招生信息
招生简介


期刊论文
Yanli Zhai, Boying Wu, Dazhi Zhang*, Jiebao Sun, A New Variational Model for Segmenting Objects of Interest from Color Images, Mathematical Problems in Engineering, Volume 2010, Article ID 950405.Jiebao Sun*, Boying Wu, Jing Li, Dazhi Zhang, A class of doubly degenerate parabolic equations with periodic sources, Discrete. Contin. Dyn. Syst. Ser. B, 14 (3)(2010), 1199-1210.Jiebao Sun*, Boying Wu, Dazhi Zhang, Asymptotic behavior of solutions of a periodic diffusion equation, J. Inequal. Appl., 2010, Article ID 597569.Dazhi Zhang, Jiebao Sun*, Boying Wu, Local existence and uniqueness of solutions of a degenerate parabolic system, Advances in Difference Equations 2011, 2011:12, 1-11.Yanli Zhai, Dazhi Zhang*, Jiebao Sun, Boying Wu, A novel variational model for image segmentation, Journal computational and applied mathematics, 235 (2011), 2234-2241.Dazhi Zhang, Jiebao Sun*, Boying Wu, Periodic solutions of a porous medium equation, Electronic Journal of Qualitative Theory of Differential Equations, 2011, No. 42, 1-7.Guo Zhichang, Sun Jiebao, Zhang Dazhi, Wu, Boying, Adaptive Perona-Malik Model Based on the Variable Exponent for Image Denoising, IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 21, NO. 3, MAR 2013, 958-967.Dazhi Zhang, Jiebao Sun*, Zhichang Guo, Yanli Zhai, A new model for segmentation of gray-scale and color images, JOURNAL OF INEQUALITIES AND APPLICATIONS, NOV 22, 2013. Xiaoping Ji, Dazhi Zhang*, Zhichang Guo, BoyingWu, Image Denoising via Nonlinear Hybrid Diffusion, MATHEMATICAL PROBLEMS IN ENGINEERING, Volume 2013, Article ID 890157, 22 pages.Jiebao Sun, Dazhi Zhang, Boying Wu*,Qualitative properties of a cooperative degenerate Lotka-Volterra model, ADVANCES IN DIFFERENCE EQUATIONS, 2013:281.Lihua Guo, BoyingWu, Dazhi Zhang*, A New Numerical Algorithm for Two-Point Boundary Value Problems, Abstract and Applied Analysis, Volume 2014, Article ID 302936, 6 pages.Boying Wu, Xiaoping Ji, Dazhi Zhang*, Fast two-phase image segmentation based on diffusion equations and gray level sets, BOUNDARY VALUE PROBLEMS, 2014, 2014:11.Lang Wu, Dazhi Zhang, BoyingWu*, Xiong Meng，Fifth-Order Mapped Semi-Lagrangian Weighted Essentially Nonoscillatory Methods Near Certain Smooth Extrema, JOURNAL OF APPLIED MATHEMATICS, Volume 2014, Article ID 127624, 14 pages.Lihua Guo, Songsong Li, BoyingWu*, Dazhi Zhang, Spectral Analysis of the Bounded Linear Operator in the Reproducing Kernel Space W-2(m)(D), SCIENTIFIC WORLD JOURNAL, Volume 2014, Article ID 691461, 7 pages.Boying Wu, Lihua Guo, Dazhi Zhang*, A novel method for solving a class of second order nonlinear differential equations with finitely many singularities, APPLIED MATHEMATICS LETTERS, 41 (2015) 1–6.Gang Dong, Zhichang Guo*, Zhenyu Zhou, Dazhi Zhang, Boying Wu, Coherence-enhancing diffusion with the source term, APPLIED MATHEMATICAL MODELLING, 39 (2015) 6060–6072.Kehan Shi, Zhichang Guo*, Gang Dong, Jiebao Sun, Dazhi Zhang, Boying Wu, Salt-and-Pepper Noise Removal via Local Holder Seminorm and Nonlocal Operator for Natural and Texture Image, JOURNAL OF MATHEMATICAL IMAGING AND VISION, (2015) 51:400–412.Zhenyu Zhou*, Zhichang Guo, Gang Dong, Jiebao Sun, Dazhi Zhang, and Boying Wu, A Doubly Degenerate Diffusion Model Based on the Gray Level Indicator for Multiplicative Noise Removal, IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 24, NO. 1, JANUARY 2015, 249-260.Kehan Shi, Dazhi Zhang, Zhichang Guo, Jiebao Sun, Boying Wu*, A non-divergence diffusion equation for removing impulse noise and mixed Gaussian impulse noise, NEUROCOMPUTING 173(2016) 659–670.Kehan Shi, Dazhi Zhang, Zhichang Guo*, Boying Wu, A Linear Reaction-Diffusion System with Interior Degeneration for Color Image Compression, SIAM Journal on Imaging Sciences, Vol. 11, No. 1, pp. 442-472.Zhenyu Zhou, Zhichang Guo*, Dazhi Zhang, Boying Wu, A Nonlinear Diffusion Equation-Based Model for Ultrasound Speckle Noise Removal, JOURNAL OF NONLINEAR SCIENCE, 28 (2018), no. 2, 443–470.Hao Yu, Boying Wu, Dazhi Zhang*, A generalized Laguerre spectral Petrov-Galerkin method for the time-fractional subdiffusion equation on the semi-infinite domain, APPLIED MATHEMATICS AND COMPUTATION, 331(2018): 96-111.