Todd A. Ell

Publication Activity (10 Years)

Years Active: 1999-2015
Publications (10 Years): 0

Top Topics

Frequency Domain

Fourier Transform

Signal And Image Processing

Top Venues

Appl. Math. Comput.

Signal Process.

Publications

Hendrik De Bie, Nele De Schepper, Todd A. Ell, K. Rubrecht, Stephen J. Sangwine
Connecting spatial and frequency domains for the quaternion Fourier transform. Appl. Math. Comput. 271 (2015)
Nicolas Le Bihan, Stephen J. Sangwine, Todd A. Ell
Instantaneous frequency and amplitude of orthocomplex modulated signals based on quaternion Fourier transform. Signal Process. 94 (2014)
Stephen J. Sangwine, Todd A. Ell
Complex and hypercomplex discrete Fourier transforms based on matrix exponential form of Euler's formula. Appl. Math. Comput. 219 (2) (2012)
Todd A. Ell, Stephen J. Sangwine
Theory of vector filters based on linear quaternion functions. EUSIPCO (2008)
Todd A. Ell, Stephen J. Sangwine
Projective-space colour filters using quaternion algebra. EUSIPCO (2008)
Todd A. Ell
Hypercomplex Color Affine Filters. ICIP (5) (2007)
Todd A. Ell
Multi-Vector Color-Image Filters. ICIP (5) (2007)
Daniel J. Alfsmann, Heinz G. Göckler, Stephen J. Sangwine, Todd A. Ell
Hypercomplex algebras in digital signal processing: Benefits and drawbacks. EUSIPCO (2007)
Todd A. Ell, Stephen J. Sangwine
Quaternion involutions and anti-involutions. Comput. Math. Appl. 53 (1) (2007)
Todd A. Ell, Stephen J. Sangwine
Hypercomplex Fourier Transforms of Color Images. IEEE Trans. Image Process. 16 (1) (2007)
Stephen J. Sangwine, Todd A. Ell
Gray-centered RGB color space. CGIV (2004)
Stephen J. Sangwine, Todd A. Ell, Barnabas N. Gatsheni
Colour-dependent linear vector image filtering. EUSIPCO (2004)
Stephen J. Sangwine, Barnabas N. Gatsheni, Todd A. Ell
Vector amplification for color-dependent image filtering. ICIP (2) (2003)
C. Eddie Moxey, Stephen J. Sangwine, Todd A. Ell
Hypercomplex correlation techniques for vector images. IEEE Trans. Signal Process. 51 (7) (2003)
Stephen J. Sangwine, Barnabas N. Gatsheni, Todd A. Ell
Linear colour-dependent image filtering based on vector decomposition. EUSIPCO (2002)
C. Eddie Moxey, Todd A. Ell, Stephen J. Sangwine
Hypercomplex operators and vector correlation. EUSIPCO (2002)
Todd A. Ell, Stephen J. Sangwine
Vector zone plates as test patterns for linear vector filters. ICIP (2) (2002)
C. Eddie Moxey, Stephen J. Sangwine, Todd A. Ell
Color-grayscale image registration using hypercomplex phase correlation. ICIP (2) (2002)
C. Eddie Moxey, Todd A. Ell, Stephen J. Sangwine
Vector Correlation of Color Images. CGIV (2002)
Todd A. Ell, Stephen J. Sangwine
Hypercomplex Fourier transforms of color images. ICIP (1) (2001)
Todd A. Ell, Stephen J. Sangwine
Hypercomplex Wiener-Khintchine Theorem with Application to Color Image Correlation. ICIP (2000)
Carolyn J. Evans, Stephen J. Sangwine, Todd A. Ell
Colour-sensitive edge detection using hypercomplex filters. EUSIPCO (2000)
Carolyn J. Evans, Stephen J. Sangwine, Todd A. Ell
Hypercomplex Color-Sensitive Smoothing Filters. ICIP (2000)
Todd A. Ell, Stephen J. Sangwine
Decomposition of 2D Hypercomplex Fourier transforms into pairs of complex fourier transforms. EUSIPCO (2000)
Stephen J. Sangwine, Todd A. Ell
Hypercomplex Auto-And-Cross-Correlation of Color Images. ICIP (4) (1999)