void Align::align(void)
{
std::cout << "Registering input images..." << std::endl;
// Vector containing the shift values in x and y between images i and i+1
std::vector<std::vector<int>> consecutiveShifts(images->size()-1, std::vector<int>(2,0));
// Compute the offsets between one image and the next one in the list
for (unsigned int i=0; i<images->size()-1; i++)
{
// Calculate the consecutive shifts in x and y between the current image and the next one
std::cout << "Calculating shift between image " << i << " and image " << i+1 << "..." << std::endl;
getExpShift((*images)[i], (*images)[i+1], shift_bits, consecutiveShifts[i]);
#ifdef DEBUG
std::cout << "Shift between image " << i << " and image " << i+1 << ":\n"
<< "\tx: " << consecutiveShifts[i][0] << "\n"
<< "\ty: " << consecutiveShifts[i][1] << std::endl;
#endif
} // end for all image pairs
// Build a matrix of offsets from any image to any other one.
updateRelativeShifts(consecutiveShifts);
// Use this matrix to crop the images so that they
// have the same size and are correctly registered
cropImages();
};
pieces_t findPieces(const cv::Mat &inputImage)
{
std::cout << "Finding pieces of the document in the input image..." << std::endl;
rectangles_t rectangles = findSquares(inputImage);
rectangles = filterOutOverlappingRectangles(rectangles);
pieces_t result = cropImages(inputImage, rectangles);
return result;
}
