Matlab code for the Riesz wavelet pyramid, a tight steerable wavelet frame for advanced image analysis. This work is in collaboration with Prof. Michael Unser of the BIG; here is their page on this topic.

[1] M. Unser, N. Chenouard, D. Van De Ville, “Steerable Pyramids and Tight Wavelet Frames in L2(ℝd)”, IEEE Transactions on Image Processing, vol. 20, no. 10, pp. 2705-2721, October 2011.

[2] M. Unser, D. Sage, D. Van De Ville,”Multiresolution Monogenic Signal Analysis Using the Riesz-Laplace Wavelet Transform”, IEEE Transactions on Image Processing, vol. 18, no. 11, pp. 2402-2418, November 2009.

There is also Matlab code for the use of Riesz steerable wavelets for rotation-covariant texture learning, maintained by Adrien Depeursinge, as in the following paper

[3] A. Depeursinge, A. Foncubierta-Rodriguez, D. Van De Ville, H. Muller, “Rotation-Covariant Feature Learning Using Steerable Riesz Wavelets”, IEEE Transactions on Image Processing, 2014, 23, 898-908.