stage/include/ost/img/alg/anisotropic.hh
Go to the documentation of this file.00001 //------------------------------------------------------------------------------ 00002 // This file is part of the OpenStructure project <www.openstructure.org> 00003 // 00004 // Copyright (C) 2008-2011 by the OpenStructure authors 00005 // Copyright (C) 2003-2010 by the IPLT authors 00006 // 00007 // This library is free software; you can redistribute it and/or modify it under 00008 // the terms of the GNU Lesser General Public License as published by the Free 00009 // Software Foundation; either version 3.0 of the License, or (at your option) 00010 // any later version. 00011 // This library is distributed in the hope that it will be useful, but WITHOUT 00012 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00013 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 00014 // details. 00015 // 00016 // You should have received a copy of the GNU Lesser General Public License 00017 // along with this library; if not, write to the Free Software Foundation, Inc., 00018 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 //------------------------------------------------------------------------------ 00020 00021 /* 00022 authors: Giani Signorell, Ansgar Philippsen 00023 */ 00024 00025 #ifndef IMG_ALG_FILTER_ANISOTROPIC_H 00026 #define IMG_ALG_FILTER_ANISOTROPIC_H 00027 00028 #include "gaussian.hh" 00029 00030 namespace ost { namespace img { namespace alg { 00031 00032 class DLLEXPORT_IMG_ALG AnisotropicFilter: public GaussianFilter { 00033 public: 00034 AnisotropicFilter(Real sigma=1.0); 00035 00036 template <typename T, class D> 00037 void VisitState(ImageStateImpl<T,D>& s); 00038 00039 protected: 00040 template <typename T, class D> 00041 void lineTransformFW(ImageStateImpl<T, D>& s, 00042 ExtentIterator& it, 00043 std::vector<T>& tmp_avg, 00044 std::vector<T>& tmp_min, 00045 std::vector<T>& tmp_max); 00046 00047 template <typename T, class D> 00048 void lineTransformBW(ImageStateImpl<T,D>& s, 00049 ExtentIterator& it, 00050 std::vector<T>& tmp_avg, 00051 std::vector<T>& tmp_min, 00052 std::vector<T>& tmp_max ); 00053 00054 private: 00055 int n_; 00056 Real b1_b0_, b2_b0_, b3_b0_; 00057 00058 template <typename T> 00059 bool is_larger(const T& v1, const T& v2); 00060 }; 00061 00062 }}} // namespaces 00063 00064 #endif
