ICDAR 2009 document image binarization contest (DIBCO 2009)

B Gatos, K Ntirogiannis… - 2009 10th International …, 2009 - ieeexplore.ieee.org
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 …

Performance evaluation methodology for historical document image binarization

K Ntirogiannis, B Gatos… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Document image binarization is of great importance in the document image analysis and
recognition pipeline since it affects further stages of the recognition process. The evaluation …

Adaptive binarization of severely degraded and non-uniformly illuminated documents

BM Singh, R Sharma, D Ghosh, A Mittal - International Journal on …, 2014 - Springer
This paper presents a new adaptive binarization method for the degraded document
images. Variable background, non-uniform illumination, and blur caused by humidity are the …

Feature based binarization of document images degraded by uneven light condition

JG Kuk, NI Cho - 2009 10th International Conference on …, 2009 - ieeexplore.ieee.org
This paper proposes a document image binarization method, which is especially robust to
the images degraded by uneven light condition, such as the camera captured document …

MAP-MRF approach for binarization of degraded document image

JG Kuk, NI Cho, KM Lee - 2008 15th IEEE International …, 2008 - ieeexplore.ieee.org
We propose an algorithm for the binarization of document images degraded by uneven light
distribution, based on the Markov Random Field modeling with Maximum A Posteriori …

[PDF][PDF] A quad tree based binarization approach to improve quality of degraded document images

NS Rani, A Gopi - International Journal of Computer Science Engineering …, 2014 - ijcse.net
This paper proposes a novel binarization algorithm for converting the grayscale and color
images into black and white images. The binarization is one of the very important process in …

Taking flexible and diverse approaches to get undergraduate students interested in cryptography course

X Song, H Deng - 2009 First International Workshop on …, 2009 - ieeexplore.ieee.org
With the extensive application of cryptography technologies in our lives, cryptography
course has been paid more attention to in many universities. The contents of cryptography …

Local contrast segmentation to binarize images

M Block, R Rojas - 2009 Third International Conference on …, 2009 - ieeexplore.ieee.org
In this paper, a new binarization algorithm for degraded document images is proposed. The
method is based on positive and negative pixel energies using the Laplacian of an image …

Adaptive binarization for degraded document images

L Jiang, K Chen, S Yan, Y Zhou… - … and Computer Science, 2009 - ieeexplore.ieee.org
Various types of degradations such as uneven illumination, shadows, low contrast, smears
and heavy noise densities often make thresholding of the document images a difficult job. In …

A model for the gray-intensity distribution of historical handwritten documents and its application for binarization

MA Ramírez-Ortegón, LL Ramírez-Ramírez… - International Journal on …, 2014 - Springer
In this article, our goal is to describe mathematically and experimentally the gray-intensity
distributions of the fore-and background of handwritten historical documents. We propose a …