Ryuichi Ashino

According to our database, Ryuichi Ashino authored at least 19 papers between 2003 and 2021.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2021

Linear canonical wavelet transform: Properties and inequalities.

Mawardi Bahri, Amir Kamal Amir, Ryuichi Ashino

Int. J. Wavelets Multiresolution Inf. Process., 2021

2020

Uncertainty principles related to quaternionic windowed Fourier transform.

Mawardi Bahri, Ryuichi Ashino

Int. J. Wavelets Multiresolution Inf. Process., 2020

2017

Logarithmic uncertainty principle, convolution theorem related to continuous fractional wavelet transform and its properties on a generalized Sobolev space.

Mawardi Bahri, Ryuichi Ashino

Int. J. Wavelets Multiresolution Inf. Process., 2017

2016

Some properties of windowed linear canonical transform and its logarithmic uncertainty principle.

Mawardi Bahri, Ryuichi Ashino

Int. J. Wavelets Multiresolution Inf. Process., 2016

2015

Fractional Hilbert Transforms of Biorthogonal Wavelets.

Akira Morimoto, Ryuichi Ashino, Kazuma Ikebe, Motoi Tatsumi, Takeshi Mandai

Proceedings of the 12th International Conference on Information Technology, 2015

Convolution and Correlation Theorems for Wigner-Ville Distribution Associated with Linear Canonical Transform.

Mawardi Bahri, Ryuichi Ashino

Proceedings of the 12th International Conference on Information Technology, 2015

2014

Continuous quaternion fourier and wavelet transforms.

Mawardi Bahri, Ryuichi Ashino, Rémi Vaillancourt

Int. J. Wavelets Multiresolution Inf. Process., 2014

Multistage blind source separations by wavelet analysis.

Ryuichi Ashino, Takeshi Mandai, Akira Morimoto

Int. J. Wavelets Multiresolution Inf. Process., 2014

2013

Phase Transitions in Error Correcting and Compressed Sensing by ℓ₁ Linear Programming.

Ryuichi Ashino, Rémi Vaillancourt

Int. J. Wavelets Multiresolution Inf. Process., 2013

2011

Two-dimensional quaternion wavelet transform.

Mawardi Bahri, Ryuichi Ashino, Rémi Vaillancourt

Appl. Math. Comput., 2011

2010

Mean breakdown points for compressed sensing by uniformly distributed matrices.

Ryuichi Ashino, Rémi Vaillancourt

JSIAM Lett., 2010

Blind Source Separation of Spatio-Temporal Mixed Signals Using Phase Information of Analytic Wavelet Transform.

Ryuichi Ashino, Takeshi Mandai, Akira Morimoto

Int. J. Wavelets Multiresolution Inf. Process., 2010

Windowed Fourier transform of two-dimensional quaternionic signals.

Mawardi Bahri, Eckhard S. M. Hitzer, Ryuichi Ashino, Rémi Vaillancourt

Appl. Math. Comput., 2010

2008

Multiwavelets in the generalized Sobolev space H_W^omega(Rⁿ).

Ram Shankar Pathak, Gireesh Pandey, Ryuichi Ashino

Comput. Math. Appl., 2008

An uncertainty principle for quaternion Fourier transform.

Mawardi Bahri, Eckhard S. M. Hitzer, Akihisa Hayashi, Ryuichi Ashino

Comput. Math. Appl., 2008

2007

Mathematical view of a blind source separation on a time frequency space.

Keiko Fujita, Yoshitsugu Takei, Akira Morimoto, Ryuichi Ashino

Appl. Math. Comput., 2007

2005

Image compression with multiresolution singular value decomposition and other methods.

Ryuichi Ashino, Akira Morimoto, Rémi Vaillancourt

Math. Comput. Model., 2005

2004

Pre-Processing Design for Multiwavelet Filters Using Neural Networks.

Akira Morimoto, Ryuichi Ashino, Rémi Vaillancourt

Int. J. Wavelets Multiresolution Inf. Process., 2004

2003

Pre-Processing Design for Multiwavelet Filters Using Neural Networks.

Ryuichi Ashino, Akira Morimoto

Proceedings of the Wavelet Analysis and Its Applications, 2003