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JSW
2008
94views more  JSW 2008»
13 years 10 months ago
Thresholding Images of Historical Documents Using a Tsallis-Entropy Based Algorithm
In this paper we present an algorithm for thresholding images of historical documents. The main objective is to generate high quality monochromatic images in order to make them eas...
Carlos A. B. Mello, Luciana A. Schuler
ICDAR
2009
IEEE
13 years 7 months ago
A Unified Framework Based on the Level Set Approach for Segmentation of Unconstrained Double-Sided Document Images Suffering fro
A novel method for the segmentation of double-sided ancient document images suffering from bleed-through effect is presented. It takes advantage of the level set framework to prov...
Reza Farrahi Moghaddam, David Rivest-Hénaul...
CIVR
2007
Springer
177views Image Analysis» more  CIVR 2007»
14 years 4 months ago
Matching ottoman words: an image retrieval approach to historical document indexing
Large archives of Ottoman documents are challenging to many historians all over the world. However, these archives remain inaccessible since manual transcription of such a huge vo...
Esra Ataer, Pinar Duygulu
DAS
2004
Springer
14 years 3 months ago
Word Grouping in Document Images Based on Voronoi Tessellation
Voronoi tessellation of image elements provides an intuitive and appealing definition of proximity, which has been suggested as an effective tool for the description of relations...
Yue Lu, Zhe Wang, Chew Lim Tan
ICDAR
2003
IEEE
14 years 3 months ago
Progress in Camera-Based Document Image Analysis
The increasing availability of high performance, low priced, portable digital imaging devices has created a tremendous opportunity for supplementing traditional scanning for docum...
David S. Doermann, Jian Liang, Huiping Li