I've been using Savitzky-Golay (SG) filters for quite a while, but always on 1D data, using an implementation based on the algorithm from the Numerical Recipes to calculate the kernel (mask, ...
Solitary pulmonary nodule (SPN) is defined as approximately rounded opacity measuring up to 3 cm in diameter appears on imaging as focal opacities surrounded by aerated lung 1,2. Differential ...