Journal
2009 15TH INTERNATIONAL CONFERENCE ON VIRTUAL SYSTEMS AND MULTIMEDIA PROCEEDINGS (VSMM 2009)
Volume -, Issue -, Pages 131-+Publisher
IEEE COMPUTER SOC
DOI: 10.1109/VSMM.2009.25
Keywords
image enhancement; registration; binarization; ancient documents
Categories
Funding
- Restarts
- Program POR Calabria
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This paper presents some experiments on different image processing techniques combined and adapted to define a procedure aimed at improving the readability of ancient degraded documents. The focus is on documents affected by the bleed-through effect, which significantly reduces readability. The availability of the recto and verso scans of any single page is assumed. The proposed procedure is composed of three steps: recto-verso registration, image enhancement through statistical decorrelation and, finally, image segmentation. As the registration step can strongly influence the results obtained during the subsequent phases, we carried out a comparison of different registration algorithms, in order to evaluate their overall effectiveness on recto-verso processing.
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