Efficient multiscale Sauvola's binarization

G Lazzara, T Géraud - International Journal on Document Analysis and …, 2014 - Springer
This work focuses on the most commonly used binarization method: Sauvola's. It performs
relatively well on classical documents, however, three main defects remain: the window …

Document binarization with automatic parameter tuning

NR Howe - International journal on document analysis and …, 2013 - Springer
Document analysis systems often begin with binarization as a first processing stage.
Although numerous techniques for binarization have been proposed, the results produced …

ISauvola: Improved Sauvola's algorithm for document image binarization

Z Hadjadj, A Meziane, Y Cherfa, M Cheriet… - Image Analysis and …, 2016 - Springer
Binarization of historical documents is difficult and is still an open area of research. In this
paper, a new binarization technique for document images is presented. The proposed …

DIBCO 2009: document image binarization contest

B Gatos, K Ntirogiannis, I Pratikakis - International Journal on Document …, 2011 - Springer
DIBCO 2009 is the first International Document Image Binarization Contest organized in the
context of ICDAR 2009 conference. The general objective of the contest is to identify current …

New binarization approach based on text block extraction

IB Messaoud, H Amiri, H El Abed… - … on Document Analysis …, 2011 - ieeexplore.ieee.org
Document analysis and recognition systems include, usually, several levels, annotation,
preprocessing, segmentation, feature extraction, classification and post-processing. Each …

Effect of" ground truth" on image binarization

EHB Smith, C An - 2012 10th IAPR International Workshop on …, 2012 - ieeexplore.ieee.org
Image binarization has a large effect on the rest of the document image analysis processes
in character recognition. Algorithm development is still a major focus of research. Evaluation …

Automatic evaluation of document binarization results

E Badekas, N Papamarkos - … in Pattern Recognition, Image Analysis and …, 2005 - Springer
Most of the document binarization techniques have many parameters that can initially be
specified. Usually, subjective document binarization evaluation, employs human observes …

An adaptive local binarization method for document images based on a novel thresholding method and dynamic windows

B Bataineh, SNHS Abdullah, K Omar - Pattern Recognition Letters, 2011 - Elsevier
Binary image representation is essential format for document analysis. In general, different
available binarization techniques are implemented for different types of binarization …

A learning framework for the optimization and automation of document binarization methods

M Cheriet, RF Moghaddam, R Hedjam - Computer vision and image …, 2013 - Elsevier
Almost all binarization methods have a few parameters that require setting. However, they
do not usually achieve their upper-bound performance unless the parameters are …

A spatially adaptive statistical method for the binarization of historical manuscripts and degraded document images

R Hedjam, RF Moghaddam, M Cheriet - Pattern Recognition, 2011 - Elsevier
In this paper, we present an adaptive method for the binarization of historical manuscripts
and degraded document images. The proposed approach is based on maximum likelihood …