Russell M. Mersereau, Tae H. Joo, Theresa C. Speake. A comparison of hexagonally and rectangularly-sampled two-dimensional FIR digital filters. In IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '80, Denver, Colorado, April 9-11, 1980. pages 729-732, IEEE, 1980. [doi]
Abstract is missing.