How to get clear image of a scanned image by removing black dots,resize,despeckle,clearer text

[jagadish katti]

i want to do scanned image of a text document in to a clear text document image..
pls can anyone help .. i converted image into black&white.and applied bwmorph(bw,'remove'), it removes most black part .. but i am not getting clearer text.
pls help me thanx.

[ImageAnalyst]

jagadish katti:
Maybe you could try this:
http://www.leptonica.com/binarization.html

or look here:
http://iris.usc.edu/Vision-Notes/bibliography/contentschar.html#OCR,%20Document%20Analysis%20and%20Character%20Recognition%20Systems

Or try MATLAB's adapthisteq() in the Image Processing Toolbox.