Stephen J. Sangwine

IET Image Process., 2018

2017

The development of the quaternion wavelet transform.

[BibT_eX]

[DOI]

Peter Fletcher

Signal Process., 2017

Multivector and multivector matrix inverses in real Clifford algebras.

[BibT_eX]

[DOI]

Eckhard Hitzer

Appl. Math. Comput., 2017

2016

Quaternion linear colour edge-sharpening filter using genetic algorithm.

[BibT_eX]

[DOI]

Shagufta Yasmin

Proceedings of the 2016 8th Computer Science and Electronic Engineering Conference, 2016

Quaternion Linear Color Edge-Glowing Filter Using Genetic Algorithm.

[BibT_eX]

[DOI]

Shagufta Yasmin

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2016

2015

Comments on 'A structure-preserving method for the quaternion LU decomposition in quaternionic quantum theory' by Minghui Wang and Wenhao Ma.

[BibT_eX]

[DOI]

Comput. Phys. Commun., 2015

Connecting spatial and frequency domains for the quaternion Fourier transform.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2015

2014

Instantaneous frequency and amplitude of orthocomplex modulated signals based on quaternion Fourier transform.

[BibT_eX]

[DOI]

Signal Process., 2014

2013

The Orthogonal 2D Planes Split of Quaternions and Steerable Quaternion Fourier Transformations.

[BibT_eX]

[DOI]

Eckhard Hitzer

CoRR, 2013

2012

Complex and hypercomplex discrete Fourier transforms based on matrix exponential form of Euler's formula.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2012

2008

Fast Complexified Quaternion Fourier Transform.

[BibT_eX]

[DOI]

Salem Said

IEEE Trans. Signal Process., 2008

Theory of vector filters based on linear quaternion functions.

[BibT_eX]

[DOI]

Proceedings of the 2008 16th European Signal Processing Conference, 2008

Projective-space colour filters using quaternion algebra.

[BibT_eX]

[DOI]

Proceedings of the 2008 16th European Signal Processing Conference, 2008

The ℍ-analytic signal.

[BibT_eX]

[DOI]

Proceedings of the 2008 16th European Signal Processing Conference, 2008

2007

Hypercomplex Fourier Transforms of Color Images.

[BibT_eX]

[DOI]

IEEE Trans. Image Process., 2007

Quaternion involutions and anti-involutions.

[BibT_eX]

[DOI]

Comput. Math. Appl., 2007

Jacobi method for quaternion matrix singular value decomposition.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2007

Hypercomplex analytic signals : Extension of the analytic signal concept to complex signals.

[BibT_eX]

[DOI]

Proceedings of the 15th European Signal Processing Conference, 2007

Exact Principal Geodesic Analysis for data on SO(3).

[BibT_eX]

[DOI]

Proceedings of the 15th European Signal Processing Conference, 2007

Hypercomplex algebras in digital signal processing: Benefits and drawbacks.

[BibT_eX]

[DOI]

Proceedings of the 15th European Signal Processing Conference, 2007

2006

Quaternion singular value decomposition based on bidiagonalization to a real or complex matrix using quaternion Householder transformations.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2006

2004

Colour-dependent linear vector image filtering.

[BibT_eX]

[DOI]

Barnabas N. Gatsheni

Proceedings of the 2004 12th European Signal Processing Conference, 2004

Gray-centered RGB color space.

[BibT_eX]

[DOI]

Proceedings of the Second European Conference on Colour in Graphics, Imaging, and Vision, 2004

2003

Hypercomplex correlation techniques for vector images.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2003

Vector amplification for color-dependent image filtering.

[BibT_eX]

[DOI]

Barnabas N. Gatsheni

Proceedings of the 2003 International Conference on Image Processing, 2003

Quaternion principal component analysis of color images.

[BibT_eX]

[DOI]

Proceedings of the 2003 International Conference on Image Processing, 2003

2002

Color-grayscale image registration using hypercomplex phase correlation.

[BibT_eX]

[DOI]

Proceedings of the 2002 International Conference on Image Processing, 2002

Vector zone plates as test patterns for linear vector filters.

[BibT_eX]

[DOI]

Proceedings of the 2002 International Conference on Image Processing, 2002

Linear colour-dependent image filtering based on vector decomposition.

[BibT_eX]

[DOI]

Barnabas N. Gatsheni

Proceedings of the 11th European Signal Processing Conference, 2002

Hypercomplex operators and vector correlation.

[BibT_eX]

[DOI]

Proceedings of the 11th European Signal Processing Conference, 2002

Mathematical Approaches to Linear Vector Filtering of Color Images.

[BibT_eX]

[DOI]

Proceedings of the First European Conference on Colour in Graphics, Imaging, and Vision, 2002

Vector Correlation of Color Images.

[BibT_eX]

[DOI]

Proceedings of the First European Conference on Colour in Graphics, Imaging, and Vision, 2002

2000

Hypercomplex Color-Sensitive Smoothing Filters.

[BibT_eX]

[DOI]

Carolyn J. Evans

Proceedings of the 2000 International Conference on Image Processing, 2000

Hypercomplex Wiener-Khintchine Theorem with Application to Color Image Correlation.

[BibT_eX]

[DOI]

Proceedings of the 2000 International Conference on Image Processing, 2000

Colour-sensitive edge detection using hypercomplex filters.

[BibT_eX]

[DOI]

Carolyn J. Evans

Proceedings of the 10th European Signal Processing Conference, 2000

Decomposition of 2D Hypercomplex Fourier transforms into pairs of complex fourier transforms.

[BibT_eX]

[DOI]

Proceedings of the 10th European Signal Processing Conference, 2000

Virtual reality tool for visualising RGB colour space using VRML.

[BibT_eX]

[DOI]

Anthony J. Bardos

Proceedings of the 10th European Signal Processing Conference, 2000

1999

Hypercomplex Auto-And-Cross-Correlation of Color Images.

[BibT_eX]

[DOI]

Proceedings of the 1999 International Conference on Image Processing, 1999

1998

The Problem of Defining the Fourier Transform of a Colour Image.

[BibT_eX]

[DOI]