Fractional Fourier transforms of hypercomplex signals. - Hendrik De Bie; Nele De Schepper (Signal Image Video Process., 2012)

Generating functions of orthogonal polynomials in higher dimensions. - Hendrik De Bie; Dixan Peña Peña; Frank Sommen (J. Approx. Theory, 2014)

Convolution Products for Hypercomplex Fourier Transforms. - Roxana Bujack; Hendrik De Bie; Nele De Schepper; Gerik Scheuermann (J. Math. Imaging Vis., 2014)

Connecting spatial and frequency domains for the quaternion Fourier transform. - Hendrik De Bie; Nele De Schepper; Todd A. Ell; K. Rubrecht; Stephen J. Sangwine (Appl. Math. Comput., 2015)

Plane wave formulas for spherical, complex and symplectic harmonics. - Hendrik De Bie; Frank Sommen; M. Wutzig (J. Approx. Theory, 2017)

Octonion Sparse Representation for Color and Multispectral Image Processing. - Srdan Lazendic; Hendrik De Bie; Aleksandra Pizurica (EUSIPCO, 2018)

Variational Auto-Encoders Without Graph Coarsening For Fine Mesh Learning. - Nicolas Vercheval; Hendrik De Bie; Aleksandra Pizurica (ICIP, 2020)