3. The method of claim 2 , wherein the step of selecting a representative word image comprises: determining a mean of the values assigned to the word features in order to create feature vectors for the two of the word images that are assigned to the word cluster; and selecting, as the representative word image, the one of the two word images having values in its associated feature vector closest to the mean.
2. The method of claim 1 , further comprising: selecting a representative word image in the word cluster; selecting digitized text for the representative word image; and assigning the selected digitized text to each of the word images in the word cluster.