Fast correction of bleed-through distortion in grayscale documents by a blind source separation technique.

Anna Tonazzini Emanuele Salerno Luigi Bedini Fast correction of bleed-through distortion in grayscale documents by a blind source separation technique. 17-25 2007 10 IJDAR 1 http://dx.doi.org/10.1007/s10032-006-0015-z db/journals/ijdar/ijdar10.html#TonazziniSB07