8. The method of claim 1 , further comprising transmitting ones of the compressed word image clusters and a respective description of the associated positions of the corresponding ones of the word images in the document image.
8. The method of claim 1 , further comprising transmitting ones of the compressed word image clusters and a respective description of the associated positions of the corresponding ones of the word images in the document image. 10. The method of claim 8 , wherein the transmitting of the respective description is performed in response to a first request received from the remote network node, and the transmitting of the ones of the compressed word image clusters is performed in response to a second request received from the remote network node after the first request.