3777 search results - page 240 / 756 » Estimating the Quality of Databases |
175
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ICASSP
2010
IEEE
15 years 5 months ago
2010
IEEE
Content-Based Copy Detection (CBCD) of digital videos is an important research field that aims at the identification of modified copies of an original clip, e.g., on the Intern...
147
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
We address the problem of measuring global quality metrics of search engines, like corpus size, index freshness, and density of duplicates in the corpus. The recently proposed est...
193
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TMI
2010
15 years 1 months ago
2010
We present a novel method for joint reconstruction of both image and motion in positron-emission-tomography (PET). Most other methods separate image from motion estimation: They us...
286
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
195
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TSP
2010
15 years 1 months ago
2010
Abstract--This paper proposes a training-based channel estimation scheme for achieving quality-of-service discrimination between legitimate and unauthorized receivers in wireless m...