Recursive Anisotropic 2-D Gaussian Filtering Based on a Triple-Axis Decomposition.

Stanley Y. M. Lam Bertram Emil Shi Recursive Anisotropic 2-D Gaussian Filtering Based on a Triple-Axis Decomposition. 1925-1930 2007 16 IEEE Transactions on Image Processing 7 http://dx.doi.org/10.1109/TIP.2007.896673 db/journals/tip/tip16.html#LamS07