  Extracting a block of interest referred to as segmenting a specified block in
an image and studying its characteristics is of general research interest, and
could be a challenging if such a segmentation task has to be carried out
directly in a compressed image. This is the objective of the present research
work. The proposal is to evolve a method which would segment and extract a
specified block, and carry out its characterization without decompressing a
compressed image, for two major reasons that most of the image archives contain
images in compressed format and decompressing an image indents additional
computing time and space. Specifically in this research work, the proposal is
to work on run-length compressed document images.
