generic-library/opencv
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propagated changes for retina filters from trunk to 2.4

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This commit is contained in:
Vadim Pisarevsky 2012-04-25 17:32:14 +00:00
parent db3f9b139b
commit c9e6efc263
2 changed files with 7 additions and 1 deletions
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3
modules/contrib/src/basicretinafilter.cpp
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@ -334,7 +334,8 @@ void BasicRetinaFilter::_localLuminanceAdaptation(const float *inputFrame, const
for (register unsigned int IDpixel=0 ; IDpixel<_filterOutput.getNBpixels() ; ++IDpixel, ++inputFramePTR)
{
float X0=*(localLuminancePTR++)*_localLuminanceFactor+_localLuminanceAddon;
*(outputFramePTR++) = (_maxInputValue+X0)**inputFramePTR/(*inputFramePTR +X0);
// TODO : the following line can lead to a divide by zero ! A small offset is added, take care if the offset is too large in case of High Dynamic Range images which can use very small values...
*(outputFramePTR++) = (_maxInputValue+X0)**inputFramePTR/(*inputFramePTR +X0+0.00000000001);
//std::cout<<"BasicRetinaFilter::inputFrame[IDpixel]=%f, X0=%f, outputFrame[IDpixel]=%f\n", inputFrame[IDpixel], X0, outputFrame[IDpixel]);
}
}

5
samples/cpp/retinaDemo.cpp
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@ -47,6 +47,8 @@ int main(int argc, char* argv[]) {
std::cout<<"* => reports comments/remarks at benoit.alexandre.vision@gmail.com"<<std::endl;
std::cout<<"* => more informations and papers at : http://sites.google.com/site/benoitalexandrevision/"<<std::endl;
std::cout<<"****************************************************"<<std::endl;
std::cout<<" NOTE : this program generates the default retina parameters file 'RetinaDefaultParameters.xml'"<<std::endl;
std::cout<<" => you can use this to fine tune parameters and load them if you save to file 'RetinaSpecificParameters.xml'"<<std::endl;
// basic input arguments checking
if (argc<2)
@ -116,7 +118,10 @@ int main(int argc, char* argv[]) {
// save default retina parameters file in order to let you see this and maybe modify it and reload using method "setup"
myRetina->write("RetinaDefaultParameters.xml");
// load parameters if file exists
myRetina->setup("RetinaSpecificParameters.xml");
myRetina->clearBuffers();
// declare retina output buffers
cv::Mat retinaOutput_parvo;
cv::Mat retinaOutput_magno;