1. A system for estimating motion between images comprising: a quantizing module configured to quantize first and second digital images such that original pixel values of said first and second digital images are converted to quantized pixel values, said quantized pixel values corresponding to predefined ranges of said original pixel values; and a search module configured to correlate candidate image blocks of said second digital image with potential image blocks of said first digital image to derive translational indicators for the candidate image blocks, said translational indicators being related to the motion between said first and second digital images.