src/qvworkers/qvimagemeans.h

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00001 /*
00002  *      Copyright (C) 2007, 2008. PARP Research Group.
00003  *      <http://perception.inf.um.es>
00004  *      University of Murcia, Spain.
00005  *
00006  *      This file is part of the QVision library.
00007  *
00008  *      QVision is free software: you can redistribute it and/or modify
00009  *      it under the terms of the GNU Lesser General Public License as
00010  *      published by the Free Software Foundation, version 3 of the License.
00011  *
00012  *      QVision is distributed in the hope that it will be useful,
00013  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *      GNU Lesser General Public License for more details.
00016  *
00017  *      You should have received a copy of the GNU Lesser General Public
00018  *      License along with QVision. If not, see <http://www.gnu.org/licenses/>.
00019  */
00020 
00024 
00025 #ifndef QVIMAGEMEANS_H
00026 #define QVIMAGEMEANS_H
00027 
00028 #include <QVImage>
00029 #include <QVWorker>
00030 
00032 
00033 #ifndef DOXYGEN_IGNORE_THIS
00034 template <typename T, int C> class QVImageMeans: public QVWorker
00035         {
00036         private:
00037                 QVImage<T, C> mean;
00038 
00039         public:
00040                 QVImageMeans(QString name): QVWorker(name)
00041                         {
00042                         // Input properties
00043                         addProperty< QVImage<T,C> >("Input image", inputFlag|outputFlag);
00044 
00045                         // Output properties
00046                         addProperty< QVImage<T,C> >("Output image", outputFlag);
00047                         }
00048 
00049                 void iterate()
00050                         {
00051                         // 0. Read input image.
00052                         const QVImage<T,C> image = getPropertyValue< QVImage<T,C> >("Input image");
00053 
00054                         if (mean.getCols() != image.getCols() || mean.getRows() != image.getRows())
00055                                 mean = image;
00056                         else    {
00057                                 QVImage<T, C> temp(mean.getCols(), mean.getRows());
00058                                 Add(image, mean, temp);
00059                                 mean = temp;
00060                                 }
00061 
00062                         // 1. Export scaled image
00063                         setPropertyValue< QVImage<T,C> >("Output image", mean);
00064                         }
00065         };
00066 #endif
00067 #endif