Professor at Jiangsu Normal University, China
Zhigang Jia is a distinguished professor and researcher in the field of numerical mathematics and image processing. With an extensive academic career spanning over a decade, he has contributed significantly to mathematical sciences, particularly in matrix computations and image recognition. Currently serving as a professor at Jiangsu Normal University, he has also been affiliated with renowned institutions such as the University of Macau and Hong Kong Baptist University. His research primarily focuses on numerical algorithms, low-rank approximation, and their applications in medical imaging and artificial intelligence. Through his work, he has established himself as a leading scholar in computational mathematics.
Profile
Orcid
Education
Zhigang Jia pursued his PhD in Mathematics at East China Normal University under the supervision of Prof. Musheng Wei from 2006 to 2009. Prior to that, he earned his Master’s degree from Liaocheng University in 2006, guided by Prof. Jianli Zhao. His academic journey began with a Bachelor’s degree in Mathematics from Liaocheng University, which he completed in 2003. His rigorous training in mathematical sciences laid the foundation for his research in numerical algorithms, computational science, and image processing techniques.
Experience
Zhigang Jia has held multiple academic and research positions throughout his career. He began as a Lecturer at Jiangsu Normal University in 2009 and was subsequently promoted to Associate Professor in 2011. In 2014, he was appointed as a Professor at Jiangsu Normal University, where he continues to lead research in numerical mathematics and image processing. He has also served as a researcher at Jiangsu Key Laboratory of Education Big Data Science and Engineering and the Research Institute of Mathematical Science. Additionally, he has undertaken international academic visits, including a postdoctoral research tenure at Hong Kong Baptist University (2018–2019) and a visiting scholar role at the University of Macau (2019). His experience reflects his dedication to advancing mathematical sciences globally.
Research Interests
Zhigang Jia’s research focuses on numerical mathematics, image processing, and face recognition. His work extensively explores low-rank approximation problems, structure-preserving algorithms, and large-scale matrix computations. His research has been applied in various fields, including medical imaging, artificial intelligence, and digital watermarking. He is particularly interested in quaternion matrix computations and their application in color image restoration and video inpainting. His contributions to structural matrix polynomials and spectral decomposition have enhanced the computational efficiency of large-scale data processing.
Awards
Throughout his career, Zhigang Jia has been recognized for his contributions to numerical mathematics and image processing. He has received multiple research grants from the National Science Foundation of China, where he served as the Principal Investigator for projects focusing on data-driven low-rank approximation and structural matrix polynomials. His innovative work in computational mathematics has earned him accolades from academic institutions and research bodies, highlighting his impact on mathematical sciences and engineering applications.
Publications
Zhigang Jia, Yuelian Xiang, Meixiang Zhao, Tingting Wu, and Michael K. Ng, “A new cross-space total variation regularization model for color image restoration with quaternion blur operator,” IEEE Transactions on Image Processing, 34, 995-1008, 2025.
Baohua Huang, Zhigang Jia, and Wen Li, “A Novel Riemannian Conjugate Gradient Method on Quaternion Stiefel Manifold for Computing Truncated Quaternion Singular Value Decomposition,” Numerical Linear Algebra with Applications, 32(1), e70006, 2025.
Yong Chen, Zhigang Jia, Yaxin Peng, and Yan Peng, “Efficient Robust Watermarking Based on Structure-Preserving Quaternion Singular Value Decomposition,” IEEE Transactions on Image Processing, 32, 3964-3979, 2023.
Zhigang Jia, Qianyu Wang, Hongkui Pang, and Meixiang Zhao, “Computing partial quaternion eigenpairs with quaternion shift,” Journal of Scientific Computing, 97, article number 41, 2023.
Zhigang Jia, Qiyu Jin, Michael K. Ng, and Xi-Le Zhao, “Non-local robust quaternion matrix completion for large-scale color image and video Inpainting,” IEEE Transactions on Image Processing, 31, 3868-3883, 2022.
Qiaohua Liu, Sitao Ling, and Zhigang Jia, “Randomized quaternion singular value decomposition for low-rank matrix approximation,” SIAM Journal on Scientific Computing, 44(2), A870-A900, 2022.
Qiaohua Liu, Zhigang Jia, and Yimin Wei, “Multidimensional total least squares problem with linear equality constraints,” SIAM Journal on Matrix Analysis and Applications, 43(1), 124–150, 2022.
Conclusion
Zhigang Jia’s extensive contributions to numerical mathematics, image processing, and computational science have solidified his reputation as a leading researcher. His work in quaternion matrix computations and low-rank approximation methods has influenced multiple disciplines, including artificial intelligence and medical imaging. With numerous high-impact publications, prestigious research grants, and international collaborations, he continues to advance mathematical sciences and its applications. His dedication to research and innovation ensures that his work will have a lasting impact on computational mathematics and beyond.