/**
* \brief Check that the image sequence is consistent
*
* Only a if all the images are of the same size we can actually compute
* a calibration image.
* \param images
*/
bool consistent(const ImageSequence& images) {
// make sure all images in the sequence are of the same size
ImageSequence::const_iterator i = images.begin();
for (i++; i != images.end(); i++) {
if ((*images.begin())->size() != (*i)->size()) {
debug(LOG_DEBUG, DEBUG_LOG, 0, "image size mismatch");
return false;
}
}
// make sure all the images are monochrome images. There is now way
// to calibrate color image,
for (i = images.begin(); i != images.end(); i++) {
if (isColorImage(*i)) {
return false;
}
}
return true;
}
void ImageMean<T>::setup_pv(const ImageSequence& images) {
// the image sequence must be consistent, or we cannot do
// anything about it
if (!consistent(images)) {
throw std::runtime_error("images not consistent");
}
// we need access to the pixels, but we want to avoid all the
// time consuming dynamic casts, so we create a vector of
// PixelValue objects, which already do the dynamic casts
// in the constructor
ImageSequence::const_iterator i;
for (i = images.begin(); i != images.end(); i++) {
pvs.push_back(PV(*i));
}
}