1. Y. Tanaka, "Spectral domain sampling of graph signals," submitted to IEEE Trans. on Signal Processing.

1. K. Watanabe, A. Sakiyama, Y. Tanaka, and A. Ortega, "Critically-sampled graph filter banks with spectral domain sampling", ICASSP 2018, Calgary, AB, Apr. 2018.
2. Y. Shimizu, S. Ono, and Y. Tanaka, "Design of sampling matrices in graph frequency domain for graph signal processing", ICIP 2018, Athene, Greece, Oct. 2018.
3. Y. Yazaki, S. Watanabe, and Y. Tanaka, "Automatic Detection of Tonic-Clonic Seizures in Epilepsy Based on Low-Complexity Video Analysis", EMBC 2018, Honolulu, HI, Jul. 2018.
4. T. Kanada, M. Onuki and Y. Tanaka, "Low-Rank Sparse Decomposition of Graph Adjacency Matrices for Extracting Clean Clusters", APSIPA ASC 2018, Honolulu, HI, Nov. 2018.

Workshops

1. Y. Shimizu, S. Ono, and Y. Tanaka, "Design of sampling matrices in graph frequency domain", Graph Signal Processing Workshop, Switzerland, June 2018.
   

1. K. Yamamoto, M. Onuki, and Y. Tanaka, "Non-blind deconvolution of point cloud attributes in graph spectral domain," IEICE Trans. on Fundamentals, vol. E100-A, no. 9, pp. 1751-1759, 2017.
2. D. B. H. Tay, Y. Tanaka, and A. Sakiyama, "Almost tight spectral graph wavelets with polynomial filters," IEEE Journal of Selected Topics in Signal Processing, vol. 11, no. 6, pp. 812-824, 2017.
3. T. Suzuki, S. Kyochi, Y. Tanaka, and M. Ikehara, "Multiplierless lifting-based fast X transforms derived from fast Hartley transform factorization," Multidimentional Systems and Signal Processing, accepted.
4. A. Hamamoto, M. Onuki, and Y. Tanaka, "Higher order feasible building blocks for lattice structure of multidimensional linear phase biorthogonal filter banks," Multidimensional Systems and Signal Processing, vol. 28, no. 2, pp. 637-655, 2017.
5. D. B. H. Tay, Y. Tanaka, and A. Sakiyama, "Critically sampled graph filter banks with polynomial filters from regular domain filter banks," Signal Processing, vol. 131, pp. 66-72, 2017.

1. T. Nishikawa and Y. Tanaka, "Colors in multimodal data: Dominant line extraction inspired by computer vision techniques," IGASS 2017, Fort Worth, TX, Jul. 2017.
2. T. Ichita, S. Kyochi, T. Suzuki, and Y. Tanaka, "Directional discrete cosine transforms arising from discrete cosine and sine transforms for directional block-wise image representation," ICASSP 2017, New Orleans, LA, Mar. 2017.
3. M. Onuki, Y. Tanaka, and M. Okuda, "Improved eigenvalue shrinkage using weighted Chebyshev polynomial approximation," ICASSP 2017, New Orleans, LA, Mar. 2017.
4. A. Sakiyama, Y. Tanaka, T. Tanaka, and A. Ortega, "Accelerated sensor position selection using graph localization operator," ICASSP 2017, New Orleans, LA, Mar. 2017.
5. Y. Tanaka, A. Sakiyama, "A 'polyphase' structure of two-channel spectral graph wavelets and filter banks," ICASSP 2017, New Orleans, LA, Mar. 2017.

1. M. Onuki, S. Ono, K. Shirai, and Y. Tanaka, "Graph signal denoising via trilateral filter on graph spectral domain," IEEE Trans. on Signal and Information Processing over Networks, vol. 2, no. 2, pp. 137-148, 2016.
2. A. Sakiyama, K. Watanabe, and Y. Tanaka, "Spectral graph wavelets and filter banks with low approximation error," IEEE Trans. on Signal and Information Processing over Networks, vol. 2, no. 3, pp. 230-245, 2016.
3. S. Yagyu, A. Sakiyama, and Y. Tanaka, "Deforming pyramid: Multiscale image representaition using pixel deformation and filters for non-equispaced signals," IEICE Trans. on Fundamentals, vol. E99-A, no. 9, pp. 1646-1654, 2016.
4. H. Higashi, T. Rutkowski, T. Tanaka, and Y. Tanaka, "Multilinear discriminant analysis with subspace constraints for single-trial classification of event-related potentials," IEEE Journal of Selected Topics in Signal Processing, vol. 10, no. 7, pp. 1295-1305, 2016.
5. D. B. H. Tay, Y. Tanaka, and A. Sakiyama, "Near orthogonal oversampled graph filter banks," IEEE Signal Processing Letters, vol. 23, no. 2, pp. 277-281, 2016.

1. H. Higashi, T. Rutkowski, T. Tanaka, and Y. Tanaka, "Smoothing of xDAWN spatial filters for robust extraction of event-related potentials," APSIPA ASC 2016, Jeju, Korea, Dec. 2016.
2. Y. Tanaka, S. Yagyu, A. Sakiyama, and M. Onuki, "Mesh-based image retargeting with spectral graph filtering," APSIPA ASC 2016, Jeju, Korea, Dec. 2016.
3. A. Sakiyama and Y. Tanaka, "Construction of undersampled graph filter banks via row subset selection," GlobalSIP 2016, Washington, D.C., Dec. 2016.
4. M. Onuki and Y. Tanaka, "L1-regularized optimization of undersampled prefilters for image coding," PCS 2016, Nuremberg, Germany, Dec. 2016.
5. S. Yagyu, A. Sakiyama, and Y. Tanaka, "Pyramidal image representation with deformation: Reformulation of domain transform and filter designs"ICIP 2016, Phoenix, AZ, Sep. 2016.
6. K. Yamamoto, M. Onuki, and Y. Tanaka, "Deblurring of point cloud attributes in graph spectral domain," ICIP 2016, Phoenix, AZ, Sep. 2016.
7. M. Onuki, S. Ono, K. Shirai, and Y. Tanaka, "Image colorization based on ADMM with fast singular value thresholding by Chebyshev polynomial approximation," ICASSP 2016, Shanghai, China, Mar. 2016.
8. A. Sakiyama, Y. Tanaka, T. Tanaka, and A. Ortega, "Efficient sensor position selection using graph signal sampling theory," ICASSP 2016, Shanghai, China, Mar. 2016.

1. A. Sakiyama, Y. Tanaka, T. Tanaka, and A. Ortega, "Efficient sensor position selection using graph signal sampling theory," Graph Signal Processing Workshop, Philadelphia, PA, May 2016.
2. K. Watanabe, A. Sakiyama, and Y. Tanaka, "Spectral Graph Filter Banks with Low Approximation Error," Graph Signal Processing Workshop, Philadelphia, PA, May 2016.

2015

Journal Papers

1. A. Sakiyama and  Y. Tanaka, "Oversampled graph Laplacian matrix for graph filter banks," IEEE Trans. on Signal Processing, vol. 62, no. 24, pp. 6425-6437, 2014. Open Access at IEEE Xplore
2. M. Onuki and Y. Tanaka, "Design of optimized prefilters for time-domain lapped transforms with various downsampling factors," IEICE Trans. on Fundamentals,  vol. E97-A, no. 9, pp. 1907-1917, 2014.
3. Y. Tanaka and A. Sakiyama, "M-channel oversampled graph filter banks," IEEE Trans. on Signal Processing, vol. 62, no. 14, pp. 3578-3590, 2014. Open Access at IEEE Xplore
4. S. Kyochi and Y. Tanaka, "General factorization of conjugate-symmetric Hadamard transforms," IEEE Trans. on Signal Processing, vol. 62, no. 13, pp. 3379-3392, 2014. Open Access at IEEE Xplore
5. V. H. Le, K. Shinoda, M. Hasegawa, S. Kato, and Y. Tanaka, "Modified high-order edge-directed interpolation for distributed video coding based on selective data pruning," IIEEJ Transactions on Image Electronics and Visual Computing, vol. 2, no. 1, pp. 26-36, 2014.

International Conference Proceedings

1. H. Higashi, T. Tanaka, and Y. Tanaka, "Smoothing of spatial filter by graph Fourier transform for EEG signals," APSIPA ASC 2014, Siem Reap, Cambodia, Dec. 2014 (Invited Paper, Best Paper Award).
2. E. Hosogai and Y. Tanaka, "Iterative edge-directed image upscaling with high directionality," APSIPA ASC 2014, Siem Reap, Cambodia, Dec. 2014.
3. A. Hamamoto, M. Onuki, and Y. Tanaka, "Multidimensional linear-phase perfect reconstruction filter banks with higher order feasible building blocks," ICIP 2014, Paris, France, Oct. 2014.
4. Y. Iizuka and Y. Tanaka, "Depth map denoising using collaborative graph wavelet shrinkage on connected image patches," ICIP 2014, Paris, France, Oct. 2014.
5. M. Onuki and Y. Tanaka, "Trilateral filter on graph spectral domain," ICIP 2014, Paris, France, Oct. 2014.
6. A. Sakiyama and Y. Tanaka, "Edge-aware image graph expansion methods for oversampled graph Laplacian matrix," ICIP 2014, Paris, France, Oct. 2014.
7. A. Sakiyama and Y. Tanaka, "Oversampled graph Laplacian matrix for graph signals," EUSIPCO 2014, Lisbon, Portugal, Sep. 2014, to be presented.
8. Y. Tanaka and A. Sakiyama, "M-channel oversampled perfect reconstruction filter banks for graph signals," ICASSP 2014, Florence, Italy, May 2014.
9. R. Morita, K. Shirai, and Y. Tanaka, "Retargeting pyramid using direct decimation," ICASSP 2014, Florence, Italy, May 2014.

Journal Papers

1. Y. Tanaka, T. Yoshida, M. Hasegawa, S. Kato, and M. Ikehara, "Rate-dependent seam carving and its application to content-aware image coding," APSIPA Trans. on Signal and Information Processing, vol. 2, no. e1, 15 pages, 2013. Open Access

International Conference Proceedings

1. S. Kyochi, T. Suzuki, and Y. Tanaka, "A two-dimensional non-separable implementation of dyadic-valued  cosine-sine modulated filter banks for low computational complexity," APSIPA Annual Summit and Conference 2013, Kaohsiung, Taiwan, Oct. 2013 (Invited Paper).
2. K. Yamato, M. Hasegawa, K. Shinoda, S. Kato, and Y. Tanaka, "Image restoration using similar region search and digital watermark," APSIPA Annual Summit and Conference 2013, Kaohsiung, Taiwan, Oct. 2013 (Invited Paper).
3. M. Onuki and Y. Tanaka, "Design of optimized prefilters for time-domain lapped transforms with various downsampling factors," ICIP 2013, Melbourne, Australia, Sep. 2013.
4. H. V. Le, K. Shinoda, M. Hasegawa, S. Kato, and Y. Tanaka, "Selective data pruning based distributed video coding with modified high-order edge-directed interpolation," ICIP 2013, Melbourne, Australia, Sep. 2013.
5. Y. Tanaka and K. Shirai, "Scalable image representation using improved retargeting pyramid," ICASSP 2013, Vancouver, Canada, May 2013.
6. Y. Miyashita, M. Hasegawa, S. Kato, and Y. Tanaka, "Improved adaptive color embedding and recovery using DC level shifting," ICASSP 2013, Vancouver, Canada, May 2013.
7. T. Suzuki, S. Kyochi, Y. Tanaka, M. Ikehara, and H. Aso, "Multiplierless lifting based FFT via fast Hartley transform," ICASSP 2013, Vancouver, Canada, May 2013.