68 search results - page 8 / 14 » MAP-MRF approach for binarization of degraded document image |
ICDAR
2009
IEEE
13 years 4 months ago
2009
IEEE
Segmentation of ancient documents is challenging. In the worst cases, text characters become fragmented as the results of strong degradation processes. New active contour methods ...
ICDAR
2007
IEEE
14 years 1 months ago
2007
IEEE
We describe a threshold-based local algorithm for image binarization. The main idea is to compute a transition energy using pixel value differences taken from a neighborhood aroun...
ICDAR
2003
IEEE
14 years 35 min ago
2003
IEEE
Current approaches to script identification rely on hand-selected features and often require processing a significant part of the document to achieve reliable identification. We p...
ICDAR
2009
IEEE
13 years 4 months ago
2009
IEEE
We compare in this study two image restoration approaches for the pre-processing of printed documents: namely the Non-local Means filter and a total variation minimization approac...
ICDAR
2003
IEEE
14 years 13 min ago
2003
IEEE
This paper describes a new approach to restoring scanned color document images where the backside image shows through the paper sheet. A new framework is presented for correcting ...