Fixed reconstruction, so that the mean is correctly added to the reconstructed image.
Fixed reconstruction, so that the mean is correctly added to the reconstructed image.

apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,apavlenko/opencv,apavlenko/opencv