National University of Singapore | Department of Mathematics | Centre for Wavelets, Approx. and Info. Proc.


Publications:   Recent   Complete

- Refereed Journal Articles
  • H. Ji, Z. Shen, and Y. Zhao, Digital Gabor filters with MRA structure, SIAM Journal on Multiscale Modeling and Simulation, xx(x), xx-xx, xxx. 2017
  • Z. Zhang, C. Bao, H. Ji, Z. Shen and G. Barbastathis, Apparent coherence loss in phase space tomography, Journal of the Optical Society of America A, xx(x), xx-xx, xxx. 2017
  • H. Ji, Z. Shen, and Y. Zhao, Digital Gabor filters do generate MRA-based wavelet tight frames, Applied and Computational Harmonic Analysis, xx(x), xx-xx, xxx. 2017
  • H. Ji, Z. Shen and Y. Zhao, Directional frames for image recovery: Multi-scale discrete Gabor frames, Journal of Fourier Analysis and Applications, 23(4), 729-757, Aug. 2017
  • H. Ji, Y. Luo and Z. Shen, Image recovery via geometrically structured approximation, Applied and Computational Harmonic Analysis, 41(1), 75-93, Jul. 2016
  • W. Chen, H. Ji and Y. You, An augmented Lagrangian method for L1-regularized optimization problems with orthogonality constraints, SIAM Journal on Scientific Computing, 38(4), B570-B592, 2016
  • C. Bao, H. Ji, Y. Quan and Z. Shen, Dictionary learning for sparse coding: Algorithms and analysis, IEEE Transactions on Pattern Analysis and Machine Intelligence, 38(7), 1356-1369, Jul. 2016
  • C. Wang, J. Kipping, C. Bao, H. Ji and A. Qiu, Cerebellar functional parcellation using sparse dictionary learning clustering, Frontiers in Neuroscience, 10(188), May. 2016
  • Z. Fan, H. Ji and Z. Shen, Dual Gramian analysis: duality principle and unitary extension principle, AMS Mathematics of Computation, 85, 239-270, 2016
  • Y. Xu, Y. Quan, Z. Zhang, H. Ling and H. Ji, Classifying dynamic textures via spatiotemporal fractal analysis, Pattern Recognition, 48(10), 3239-3248, Oct. 2015
  • Y. Quan, H. Ji and Z. Shen, Data-driven multi-scale non-local wavelet frame construction and image recovery, Journal of Scientific Computing, 63(2), 307-329, May. 2015
  • C. Bao, H. Ji, Z. Shen, Convergence analysis for iterative data-driven tight frame construction scheme, Applied and Computational Harmonic Analysis, 38(3), 510-523, May. 2015
  • J. Cai, H. Ji, Z. Shen and G. Ye, Data-driven tight frame construction and image denoising, Applied and Computational Harmonic Analysis, 37(1), 89-105, Jul. 2014
  • M. Li, Z. Fan, H. Ji and Z. Shen, Wavelet frame based algorithm for 3D reconstruction in electron microscopy, SIAM Journal on Scientific Computing, 36(1), B45-B69, Jan. 2014
  • L. Hou, H. Ji and Z. Shen, Recovering over/under-exposed regions of a color photograph, SIAM Journal on Imaging Sciences, 6(4), 2213–2235, Nov. 2013
  • L. Hou and H. Ji, Band-limited wavelets and framelets in low dimensions, Journal of Fourier Analysis and Applications, 19(4), 731-761, Aug. 2013
  • H. Ji, X. Yang, H. Ling and Y. Xu, Wavelet domain multi-fractal analysis for static and dynamic texture classification, IEEE Transactions on Image Processing, 22(1), 286-299, Jan. 2013
  • Y. Xu, S. Huang, H. Ji and C. Fermuller, Scale-space texture description on SIFT-like textons, Computer Vision and Image Understanding, 116(9), 999-1013, Sep. 2012
  • H. Ji and K. Wang, Robust image deconvolution with an inaccurate blur kernel, IEEE Transactions on Image Processing, 21(4), 1624-1634, Apr. 2012
  • H. Ji, J. Li, Z. Shen, and K. Wang, Image deconvolution using a characterization of sharp images in wavelet domain, Applied and Computational Harmonic Analysis, 32(2), 295-304, Mar. 2012
  • B. Dong, H. Ji, J. Li, Z. Shen and Y.-H. Xu, Wavelet frame based blind image inpainting, Applied and Computational Harmonic Analysis, 32(2), 268-279, Mar. 2012
  • J. Cai, H. Ji, C. Liu and Z. Shen, Framelet based blind image deblurring from a single image, IEEE Transactions on Image Processing, 21(2), 562-572, Feb. 2012
  • H. Ji, S. Huang, Z. Shen, and Y.-H. Xu, Robust video restoration by joint sparse and low rank matrix approximation, SIAM Journal on Imaging Sciences, 4(4), 1122-1142, Nov. 2011
  • H. Ji, Z. Shen and Y.-H. Xu, Wavelet frame based image restoration with missing/damaged pixels, East Asia Journal on Applied Mathematics, 1(2), 108-131, 2011
  • J. Cai, H. Ji, F. Shang and Z. Shen, Inpainting for compressed images, Applied and Computational Harmonic Analysis, 29(3), 368-381, Nov. 2010
  • H. Ji, Z. Shen and Y.-H. Xu, Wavelet frame based scene reconstruction from range data, Journal of Computational Physics, 229 (6), , 2093-2018, Mar. 2010
  • C. Fermuller, H. Ji and A. Kitaoka, Illusory motion due to causal time filtering, Vision Research, 50 (3), 315-329, Feb. 2010
  • J. Cai, H. Ji, C. Liu and Z. Shen, Blind motion deblurring using multiple images, Journal of Computational Physics, 228 (14), 5057-5071, Aug. 2009
  • Y. Xu, H. Ji and C. Fermuller, Viewpoint invariant texture description using fractal analysis, International Journal of Computer Vision, 83 (1), 85-100, Jun. 2009
  • B. Han and H. Ji, Compactly supported orthonormal complex wavelets with dilation four and symmetry, Applied and Computational Harmonic Analysis, 26, 422-431, May 2009
  • H. Ji and C. Fermuller, Robust Wavelet-based super-resolution reconstruction: Theory and Algorithm, IEEE Transactions on Pattern Analysis and Machine Intelligence, 31(4), 649-660, Apr. 2009
  • H. Ji and C. Fermuller, Better flow estimation from color images, EURASIP Journal on Applied Signal Processing, 1, Jan. 2007
  • H. Ji, C. Fermuller, Noise cause slant underestimation in motion and stereo, Vision Research, 46 (19), 3105-3120, Aug. 2006
  • H. Ji and C. Fermuller, A 3D shape constraint on video, IEEE Transactions on Pattern Analysis and Machine Intelligence, 28(6), 1018-1023, Jun. 2006
  • H. Ji and Z. Shen, Compactly supported (bi)orthogonal wavelets generated by interpolatory refinable functions, Advances in Computational Mathematics, 11, 81-104, Jul. 1999
  • H. Ji, S. D. Riemenschneider and Z. Shen, Multivariate compactly supported fundamental refinable functions, duals and biorthogonal wavelets, Studies in Applied Mathematics , 102 (2), 173–204, Feb. 1999
- Refereed Proceeding Articles
  • G. Xu, Y. Quan, and H. Ji, Estimating defocus blur through rank of local patches, 16th International Conference on Computer Vision, (ICCV), Venice, 2017
  • Y. Quan, C. Bao and H. Ji, Equiangular kernel Dictionary learning with applications to dynamic texture analysis , IEEE Conference on Computer Vision and Pattern Recognition, (CVPR), Las Vegas, 2016
  • Y. Quan, Y. Xu, Y. Sun, Y. Huang and H. Ji, Sparse coding for classification via discrimination ensemble IEEE Conference on Computer Vision and Pattern Recognition, (CVPR), Las Vegas, 2016
  • Y. Quan, Y. Huang and H. Ji, Dynamic texture recognition via structured tensor dictionary learning 15th International Conference on Computer Vision (ICCV), Chile, 2015
  • Y. Luo, Y. Xu and H. Ji, Removing rain from a single image via discriminative sparse coding, 15th International Conference on Computer Vision (ICCV), Chile, 2015
  • C. Bao, Y. Quan and H. Ji, A convergent incoherent dictionary learning algorithm for sparse coding, European Conference on Computer Vision (ECCV), Zurich, 2014
  • C. Bao, H. Ji, Y. Quan and Z. Shen, L0 norm based dictionary learning by proximal methods with global convergence, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Columbus, 2014
  • C. Bao, J. Cai and H. Ji, Fast sparsity-based orthogonal dictionary learning for image restoration, 14th International Conference on Computer Vision (ICCV), Sydney, Australia, 2013.
  • H. Ji and K. Wang, A two-stage approach to blind spatially-varying motion deblurring, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Rhode Island, 2012.
  • C. Bao, Y. Wu, H. Ling and H. Ji, Real time robust L1 tracker using accelerated proximal gradient approach, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Rhode Island, 2012.
  • Y. Xu, Y. Quan, Z. Zhang, H. Ji, M. Nishigaki, C. Fermuller and D. Dementhon, Contour based recognition, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Rhode Island, 2012.
  • Y. Xu, Y. Quan, H. Lin and H. Ji, Dynamic texture classification using dynamic fractal analysis, 13th International Conference on Computer Vision (ICCV), Barcelona, Spain, 2011.
  • Y. Li, C. Fermuller, Y. Aloimonos and H. Ji, Learning shift-invariant sparse representation of actions, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Francisco, 2010.
  • Y. Xu, X. Yang, H. Ling and H. Ji, A new texture descriptor using multifractal analysis in multi-orientation wavelet pyramid, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Francisco, 2010.
  • H. Ji, C. Liu, Z. Shen and Y.-H. Xu, Robust video denoising using low rank matrix completion, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Francisco, 2010.
  • Y. Xu, S. Huang and H. Ji, Integrating local feature and global statistics for texture analysis, IEEE International Conference on Image Processing (ICIP), Cairo, Egypt, 2009.
  • H. Wendt, P. Abry, S. Jaffard, H. Ji and Z. Shen, Wavelet Leader Multifractal Analysis for Texture Classification, IEEE International Conference on Image Processing (ICIP), Cairo, Egypt, 2009.
  • Y. Xu, S. Huang, H. Ji and C. Fermuller, Combining powerful local and global statistics for texture description, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Miami, 2009
  • J. Cai, H. Ji, C. Liu and Z. Shen, Blind motion deblurring from a single image using sparse approximation, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Miami, 2009.
  • J. Cai, H. Ji, C. Liu and Z. Shen, High-quality curvelet-based motion deblurring using an image pair, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Miami, 2009
  • H. Ji and C. Liu, Motion blur identification from image gradients, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Anchorage, 2008.
  • H. Ji and C. Fermuller, Super-resolution reconstruction from extended video sequences, European Conference on Computer Vision (ECCV), Graz, 2006.
  • Y. Xu, H. Ji and C. Fermuller, A projective invariant for textures, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), New York, 2006.
  • H. Ji and C. Fermuller, Integration of motion fields through shape, IEEE Conference on Computer Vision and Pattern Recognition (CVPR),San Diego, 2005.
  • H. Ji and C. Fermuller, Bias in shape estimation, European Conference on Computer Vision (ECCV), Czech, 2004.