#include <RRecursive4dIIROp.hpp>
Inheritance diagram for RRecursive4dIIROp:
Purpose: Fast Computation of gaussian blurring. Fourth order filter. Papers: "Recursive Digital Filters,", Victor De Brunner , John Wiley Encyclopedia of Electrical and Electronic Engineer 1999, Volume 18. "Programming techniques for realtime software implementation, of optimal edge detectors: a comparision between state of the art DSP's and RISC architectures." Frantz Lohier, Lionel Lacassagne, Patrick Garda, Université Pierre et Marie Curie, France 199x. "Evaluation of Diffusion Schemes for Multiscale-Watershed Segmentation,", Erik Dam, Thesis , University of Copenhagen 2000. "Recursively Implementing Gaussian and its Derivatives.", R. Deriche, INRIA 1993. "Recursivity and PDE's in image processing", L. Alvarez, R. Deriche and F Santana, Spain 1998.
@ Copyrights: Bernard De Cuyper & Eddy Fraiha 2002, Eggs & Pictures. MIT/Open BSD copyright model.
Public Methods | |
RRecursive4dIIROp (double asigma=1.0) | |
virtual | ~RRecursive4dIIROp () |
virtual RImage * | filter (RImage *src, RImage *dest=0) |
virtual RImage * | selectedFilter (AnImage *mask, RImage *src, RImage *dest=0) |
virtual void | report (FILE *file) |
Protected Methods | |
virtual void | computeNormalisation (int direction) |
virtual void | computeCausalFilter (int direction) |
virtual void | computeNonCausalFilter (int direction) |
Protected Attributes | |
bool | symmetric [2] |
double | sigma |
double | scale |
double | a0 [2] |
double | a1 [2] |
double | b0 [2] |
double | w0 [2] |
double | c0 [2] |
double | c1 [2] |
double | b1 [2] |
double | w1 [2] |
double | n0p [2] |
double | n1p [2] |
double | n2p [2] |
double | n3p [2] |
double | d1p [2] |
double | d2p [2] |
double | d3p [2] |
double | d4p [2] |
double | n1m [2] |
double | n2m [2] |
double | n3m [2] |
double | n4m [2] |
double | d1m [2] |
double | d2m [2] |
double | d3m [2] |
double | d4m [2] |