Bernardo Rodrigues Pires, Karanhaar Singh, José M. F. Moura. Approximating image filters with box filters. In Benoît Macq, Peter Schelkens, editors, 18th IEEE International Conference on Image Processing, ICIP 2011, Brussels, Belgium, September 11-14, 2011. pages 85-88, IEEE, 2011. [doi]
Abstract is missing.