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IGARSS
2010
15 years 5 months ago
Spatial preprocessing for endmember extraction using unsupervised clustering and orthogonal subspace projection concepts
In this paper, we develop a new spatial preprocessing strategy which can be applied prior to a spectral-based endmember extraction process for unmixing of hyperspectral data. Our ...
Gabriel Martin, Antonio J. Plaza
NAACL
2010
15 years 5 months ago
Query Ambiguity Revisited: Clickthrough Measures for Distinguishing Informational and Ambiguous Queries
Understanding query ambiguity in web search remains an important open problem. In this paper we reexamine query ambiguity by analyzing the result clickthrough data. Previously pro...
Yu Wang, Eugene Agichtein
CORR
2010
Springer
124views Education» more  CORR 2010»
15 years 4 months ago
Lattice model refinement of protein structures
To find the best lattice model representation of a given full atom protein structure is a hard computational problem. Several greedy methods have been suggested where results are ...
Martin Mann, Alessandro Dal Palù
CDC
2010
IEEE
133views Control Systems» more  CDC 2010»
15 years 2 months ago
Estimating state-space models in innovations form using the expectation maximisation algorithm
The expectation maximisation (EM) algorithm has proven to be effective for a range of identification problems. Unfortunately, the way in which the EM algorithm has previously been ...
Adrian Wills, Thomas B. Schön, Brett Ninness
JMLR
2010
118views more  JMLR 2010»
15 years 2 months ago
Learning to Rank for Personalized News Article Retrieval
This paper aims to tackle the very interesting and important problem of user personalized ranking of search results. The focus is on news retrieval and the data from which the ran...
Lorand Dali, Blaz Fortuna, Jan Rupnik