bool kNearestNeighFilter::apply(const imatrix& src,imatrix& dest) {
if (src.empty()) {
dest.clear();
return true;
}
const parameters& param = getParameters();
if (param.kernelSize <= 1) {
dest.copy(src);
return true;
}
sizeOfKernel = param.kernelSize + ((param.kernelSize%2 == 0) ? 1 : 0);
histoSize = src.maximum()+1;
bool control = false; // return variable
// choose border behaviour
switch(param.boundaryType) {
case lti::Zero:
control = histogramMethodZero(src,dest);
break;
case lti::Mirror:
control = histogramMethodMirror(src,dest);
break;
case lti::Constant:
control = histogramMethodConstant(src,dest);
break;
case lti::Periodic:
control = histogramMethodPeriodic(src,dest);
break;
case lti::NoBoundary:
control = histogramMethodNoBoundary(src,dest);
break;
default:
setStatusString("Unknown boundary type");
break;
}
return control;
};
