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ICDS
2009
IEEE
16 years 1 months ago
Local Contrast Segmentation to Binarize Images
—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...
Marco Block, Raúl Rojas
ICDAR
2003
IEEE
16 years 9 days ago
Training on Severely Degraded Text-Line Images
We show that document image decoding (DID) supervised training algorithms, as a result of recent refinements, achieve high accuracy with low manual effort even under conditions o...
Prateek Sarkar, Henry S. Baird, Xiaohu Zhang
180
Voted
ICPR
2010
IEEE
15 years 9 months ago
Ruling Line Removal in Handwritten Page Images
In this paper we present a procedure for removing ruling lines from a handwritten document image that does not break existing characters. We take advantage of common ruling line p...
Daniel Lopresti, Ergina Kavallieratou
DAS
2008
Springer
15 years 8 months ago
Detecting Gradients in Text Images Using the Hough Transform
The use of gradients in text images is nowadays quite frequent. Existing segmentation methods encounter serious problems when it comes to modern text images where gradients might ...
Dimosthenis Karatzas
283
Voted
ICDE
2007
IEEE
167views Database» more  ICDE 2007»
16 years 8 months ago
DSphere: A Source-Centric Approach to Crawling, Indexing and Searching the World Wide Web
We describe DSPHERE1 - a decentralized system for crawling, indexing, searching and ranking of documents in the World Wide Web. Unlike most of the existing search technologies tha...
Bhuvan Bamba, Ling Liu, James Caverlee, Vaibhav Pa...