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MM
2006
ACM
168views Multimedia» more  MM 2006»
15 years 10 months ago
Scalability of local image descriptors: a comparative study
Computer vision researchers have recently proposed several local descriptor schemes. Due to lack of database support, however, these descriptors have only been evaluated using sma...
Herwig Lejsek, Friðrik Heiðar Ásmun...
AIRS
2008
Springer
15 years 10 months ago
Combining WordNet and ConceptNet for Automatic Query Expansion: A Learning Approach
We present a novel approach that transforms the weighting task to a typical coarse-grained classification problem, aiming to assign appropriate weights for candidate expansion term...
Ming-Hung Hsu, Ming-Feng Tsai, Hsin-Hsi Chen
CVPR
2010
IEEE
1778views Computer Vision» more  CVPR 2010»
16 years 1 days ago
Detecting Text in Natural Scenes with Stroke Width Transform
We present a novel image operator that seeks to find the value of stroke width for each image pixel, and demonstrate its use on the task of text detection in natural images. The s...
Boris Epshtein, Eyal Ofek, Yonatan Wexler
ECCC
2006
120views more  ECCC 2006»
15 years 4 months ago
New Locally Decodable Codes and Private Information Retrieval Schemes
A q query Locally Decodable Code (LDC) encodes an n-bit message x as an N-bit codeword C(x), such that one can probabilistically recover any bit xi of the message by querying only...
Sergey Yekhanin
ICDE
2005
IEEE
114views Database» more  ICDE 2005»
15 years 10 months ago
VAMANA - A Scalable Cost-Driven XPath Engine
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
Venkatesh Raghavan, Kurt W. Deschler, Elke A. Rund...