1. Aiazzi, B., Baronti, S., Capanni, A., Santurri, L., Vitulli, R.: Advantages of hexagonal sampling grids and hexagonal shape detector elements in remote sensing imagers. In: Signal Processing Conference, 2002 11th European, pp. 1–4. IEEE (2002)
2. Ashino, R., Kametani, M.: A lemma on matrices and a construction of multi-wavelets. Math. Jpn. 45, 267–288 (1997)
3. Blanchard, J., Krishtal, I.: Matricial filters and crystallographic composite dilation wavelets. Math. Comput. 81(278), 905–922 (2012)
4. Blanchard, J.D., Steffen, K.R.: Crystallographic haar-type composite dilation wavelets. In: Wavelets and Multiscale Analysis, pp. 83–108. Springer (2011)
5. Cabrelli, C.A., Heil, C., Molter, U.M.: Self-Similarity and Multiwavelets in Higher Dimensions, vol. 170. American Mathematical Society, Providence (2004)