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DOCENG
2009
ACM
15 years 5 months ago
Geometric consistency checking for local-descriptor based document retrieval
In this paper, we evaluate different geometric consistency schemes, which can be used in tandem with an efficient architecture, based on voting and local descriptors, to retrieve ...
Eduardo Valle, David Picard, Matthieu Cord
ICDAR
2009
IEEE
15 years 5 months ago
Restoration and Segmentation of Highly Degraded Characters Using a Shape-Independent Level Set Approach and Multi-level Classifi
Segmentation of ancient documents is challenging. In the worst cases, text characters become fragmented as the results of strong degradation processes. New active contour methods ...
Reza Farrahi Moghaddam, David Rivest-Hénaul...
CISS
2010
IEEE
14 years 11 months ago
Turbo reconstruction of structured sparse signals
—This paper considers the reconstruction of structured-sparse signals from noisy linear observations. In particular, the support of the signal coefficients is parameterized by h...
Philip Schniter
COOPIS
1999
IEEE
15 years 11 months ago
Selectively Materializing Data in Mediators by Analyzing User Queries
There is currently great interest in building information mediators that can integrate informationfrom multipledata sources such as databases or Web sources. The query response ti...
Naveen Ashish, Craig A. Knoblock, Cyrus Shahabi
DEXA
1997
Springer
137views Database» more  DEXA 1997»
15 years 11 months ago
A Retrieval Mechanism for Semi-Structured Photographic Collections
Abstract. In this paper, a new approach for retrieval from semistructured photographic collections is described. We have developed a retrieval model based on the Dempster-Shafer th...
Joemon M. Jose, David J. Harper