Publications by Xiaowei Zhang
2017
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Nonconvex and Nonsmooth Optimization with Generalized Orthogonality Constraints: An Approximate Augmented Lagrangian Method
by Hong Zhu, Xiaowei Zhang, Delin Chu, Li-Zhi Liao.
Springer Journal of Scientific Computing
DOI:10.1007/s10915-017-0359-1
[pdf]
[MATLAB codes]
2016
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Incremental regularized least squares for dimensionality reduction of large-scale data
by Xiaowei Zhang, Li Cheng, Delin Chu, Li-Zhi Liao, Michael K. Ng, and Roger C. E. Tan.
SIAM Journal on Scientific Computing (SISC), 38(3), pp. B414–B439, 2016.
DOI:10.1137/15M1035653
[pdf]
[MATLAB codes]
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Segment 2D and 3D filaments by learning structured and contextual features
by Lin Gu, Xiaowei Zhang, He Zhao, Huiqi Li, and Li Cheng.
IEEE Transactions on Medical Imaging (TMI), 2016.
DOI:10.1137/15M1035653
[pdf]
[project webpage]
2015
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Estimate hand poses efficiently from single depth images
by Chi Xu, Ashwin Nanjappa, Xiaowei Zhang, and Li Cheng.
International Journal of Computer Vision (IJCV), 2015.
DOI:10.1007/s11263-015-0826-9
[pdf]
[project webpage]
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Sparse uncorrelated linear discriminant analysis for undersampled problems
by Xiaowei Zhang, Delin Chu, and Roger C. E. Tan.
IEEE Transactions on Neural Networks and Learning Systems (TNNLS), 2015.
DOI:10.1109/TNNLS.2015.2448637
[pdf]
[MATLAB codes]
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A Graph-theoretical approach for tracing filamentary structures in neuronal and retinal images
by Jaydeep De, Li Cheng, Xiaowei Zhang, Feng Lin, Huiqi Li, Kok Haur Ong, Weimiao Yu, Yuanhong Yu, Sohail Ahmed.
IEEE Transactions on Medical Imaging (TMI), 2015.
DOI:10.1109/TMI.2015.2465962
[pdf]
[project webpage]
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Robust multivariate regression with grossly corrupted observations and its application to personality prediction
by Xiaowei Zhang, Li Cheng and Tingshao Zhu.
Proceedings of the 7th Asian Conference on Machine Learning (ACML), JMLR W&CP Vol. 45, pp. 112-126, 2015.
[pdf]
[poster]
2014
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Tracing retinal blood vessels by matrix-forest theorem of directed graphs
by Li Cheng, Jaydeep De, Xiaowei Zhang, Feng Lin, and Huiqi Li.
Proceedings of the 17th Medical Image Computing and Computer-Assisted Intervention (MICCAI), pp. 626-633, 2014.
[pdf]
[project webpage]
2013
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Sparse dimensionality reduction methods: algorithms and applications
by Xiaowei Zhang.
Ph.D. dissertation, Computational and Applied Mathematics, National University of Singapore, July 2013.
[pdf]
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Sparse canonical correlation analysis: new formulation and algorithm
by Delin Chu, Li-Zhi Liao, Michael K. Ng, and Xiaowei Zhang.
IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), Vol. 35, num. 12, pp. 3050-3065, Dec. 2013.
DOI:10.1109/TPAMI.2013.104
[pdf]
[supplementary]
[MATLAB codes]
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Sparse uncorrelated linear discriminant analysis
by Delin Chu, and Xiaowei Zhang.
Proceedings of the 30th International Conference on Machine Learning (ICML), JMLR W&CP Vol. 28 (1), pp. 45-52, 2013.
[pdf]
[poster]
[MATLAB codes]
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Sparse kernel canonical correlation analysis
by Delin Chu, Li-Zhi Liao, Michael K. Ng, and Xiaowei Zhang.
Proceedings of the International Multi-Conference of Engineers and Computer Scientists (IMECS), 2013.
[pdf]
[technical report]
[slides]
[MATLAB codes]