3167 search results - page 145 / 634 » Algorithmic Representation of Visual Information |
121
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JMLR
2006
2006
Learning Sparse Representations by Non-Negative Matrix Factorization and Sequential Cone Programming
15 years 1 months ago
We exploit the biconvex nature of the Euclidean non-negative matrix factorization (NMF) optimization problem to derive optimization schemes based on sequential quadratic and secon...
111
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ICIP
2008
IEEE
16 years 3 months ago
2008
IEEE
In this paper, we propose a framework to model video sequences using spatiotemporal description of video shots. Spatiotemporal volumes are extracted thanks to an efficient segment...
115
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RIAO
2007
2007
From Layout to Semantic: a Reranking Model for Mapping Web Documents to Mediated XML Representations
15 years 3 months ago
Many documents on the Web are formated in a weakly structured format. Because of their weak semantic and because of the heterogeneity of their formats, the information conveyed by...
112
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ICRA
2005
IEEE
15 years 7 months ago
2005
IEEE
— For the Simultaneous Localization and Mapping problem several efficient algorithms have been proposed that make use of a sparse information matrix representation (e.g. SEIF, T...
CORIA
2007
15 years 3 months ago
2007
This article focusses on images retrieval in XML documents. Images retrieval can use sementical information in addition to visual features. We propose here to explore some ideas to...