Degraded historical document binarization: A review on issues, challenges, techniques, and future directions

A Sulaiman, K Omar, MF Nasrudin - Journal of Imaging, 2019 - mdpi.com
In this era of digitization, most hardcopy documents are being transformed into digital
formats. In the process of transformation, large quantities of documents are stored and …

Text line segmentation of historical documents: a survey

L Likforman-Sulem, A Zahour, B Taconet - International Journal of …, 2007 - Springer
There is a huge amount of historical documents in libraries and in various National Archives
that have not been exploited electronically. Although automatic reading of complete pages …

Start, follow, read: End-to-end full-page handwriting recognition

C Wigington, C Tensmeyer, B Davis… - Proceedings of the …, 2018 - openaccess.thecvf.com
Despite decades of research, offline handwriting recognition (HWR) of degraded historical
documents remains a challenging problem, which if solved could greatly improve the …

Performance evaluation methodology for historical document image binarization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 …

A complete optical character recognition methodology for historical documents

G Vamvakas, B Gatos, N Stamatopoulos… - 2008 The Eighth …, 2008 - ieeexplore.ieee.org
In this paper a complete OCR methodology for recognizing historical documents, either
printed or handwritten without any knowledge of the font, is presented. This methodology …

[PDF][PDF] Projection–based text line segmentation with a variable threshold

R Ptak, B Żygadło, O Unold - International Journal of Applied …, 2017 - sciendo.com
Document image segmentation into text lines is one of the stages in unconstrained
handwritten document recognition. This paper presents a new algorithm for text line …

Labeling, cutting, grou**: an efficient text line segmentation method for medieval manuscripts

M Alberti, L Vögtlin, V Pondenkandath… - 2019 International …, 2019 - ieeexplore.ieee.org
This paper introduces a new way for text-line extraction by integrating deep-learning based
pre-classification and state-of-the-art segmentation methods. Text-line extraction in complex …

Binarization-free text line segmentation for historical documents based on interest point clustering

A Garz, A Fischer, R Sablatnig… - 2012 10th IAPR …, 2012 - ieeexplore.ieee.org
Segmenting page images into text lines is a crucial pre-processing step for automated
reading of historical documents. Challenging issues in this open research field are given\eg …

Improving the quality of degraded document images

E Kavallieratou, E Stamatatos - … International Conference on …, 2006 - ieeexplore.ieee.org
It is common for libraries to provide public access to historical and ancient document image
collections. It is common for such document images to require specialized processing in …

A general approach for multi-oriented text line extraction of handwritten documents

N Ouwayed, A Belaïd - International Journal on Document Analysis and …, 2012 - Springer
The multi-orientation occurs frequently in ancient handwritten documents, where the writers
try to update a document by adding some annotations in the margins. Due to the margin …