QVision: Qt's Image, Video and Computer Vision Library

00001 /*
00002  *      Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012. 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 QVIMAGEMEANSWORKER_H
00026 #define QVIMAGEMEANSWORKER_H
00027 
00028 #include <QVImage>
00029 #include <QVProcessingBlock>
00030 
00032 
00036 template <typename T, int C> class QVImageMeans: public QVProcessingBlock
00037         {
00038         private:
00039                 QVImage<T, C> mean;
00040 
00041         public:
00042                 QVImageMeans(QString name = QString()): QVProcessingBlock(name)
00043                         {
00044                         // Input properties
00045                         addProperty< QVImage<T,C> >("Input image", inputFlag|outputFlag);
00046 
00047                         // Output properties
00048                         addProperty< QVImage<T,C> >("Output image", outputFlag);
00049                         }
00050 
00051                 void iterate()
00052                         {
00053                         // 0. Read input image.
00054                         const QVImage<T,C> image = getPropertyValue< QVImage<T,C> >("Input image");
00055 
00056                         if (mean.getCols() != image.getCols() || mean.getRows() != image.getRows())
00057                                 mean = image;
00058                         else    {
00059                                 QVImage<T, C> temp(mean.getCols(), mean.getRows());
00060                                 Add(image, mean, temp);
00061                                 mean = temp;
00062                                 }
00063 
00064                         // 1. Export scaled image
00065                         setPropertyValue< QVImage<T,C> >("Output image", mean);
00066                         }
00067         };
00069 
00070 #endif
src/qvblockprogramming/qvprocessingblocks/qvimagemeansblock.h
