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Effrosyni Kokiopoulou

Cette personne n’est plus à l’EPFL

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Publications associées (29)

Minimum distance between pattern transformation manifolds: Algorithm and Applications

Pascal Frossard, Effrosyni Kokiopoulou

Transformation invariance is an important property in pattern recognition, where different observations of the same object typically receive the same label. This paper focuses on a transformation invariant distance measure that represents the minimum dista ...

2009

Optimal image alignment with random measurements

Pascal Frossard, Daniel Kressner, Effrosyni Kokiopoulou

2009

Video face recognition with graph-based semi-supervised learning

Pascal Frossard, Effrosyni Kokiopoulou

2009

Polynomial Filtering for Fast Convergence in Distributed Consensus

Pascal Frossard, Effrosyni Kokiopoulou

In the past few years, the problem of distributed consensus has received a lot of attention, particularly in the framework of ad hoc sensor networks. Most methods proposed in the literature address the consensus averaging problem by distributed linear iter ...

2009

Semantic coding by supervised dimensionality reduction

Pascal Frossard, Effrosyni Kokiopoulou

This paper addresses the problem of representing multimedia information under a compressed form that permits efficient classification. The semantic coding problem starts from a subspace method where dimensionality reduction is formulated as a matrix factor ...

2008

Computation of Large Invariant Subspaces Using Polynomial Filtered Lanczos Iterations with Applications in Density Functional Theory

Effrosyni Kokiopoulou

2008

3D Face Recognition using Sparse Spherical Representations

Pascal Frossard, Effrosyni Kokiopoulou, Ivana Tosic, Roser Sala Llonch

This paper addresses the problem of 3D face recognition using spherical sparse representations. We first propose a fully automated registration process that permits to align the 3D face point clouds. These point clouds are then represented as signals on th ...

2008

Graph-based Classification for Multiple Observations of Transformed Patterns

Pascal Frossard, Effrosyni Kokiopoulou, Stefanos Pirillos

2008

Optimal Polynomial Filtering for Accelerating Distributed Consensus

Pascal Frossard, Effrosyni Kokiopoulou

In the past few years, the problem of distributed consensus has received a lot of attention, particularly in the framework of ad hoc sensor networks. Most methods proposed in the literature attack this problem by distributed linear iterative algorithms, wi ...

2008

Mobile museum guide based on fast SIFT recognition

Effrosyni Kokiopoulou, Boris Ruf

This article explores the feasibility of a market-ready, mo- bile pattern recognition system based on the latest findings in the field of object recognition and currently available hardware and network technology. More precisely, an innovative, mobile muse ...

Springer2008

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Minimum distance between pattern transformation manifolds: Algorithm and Applications

Pascal Frossard, Effrosyni Kokiopoulou

2009

Mobile museum guide based on fast SIFT recognition

Effrosyni Kokiopoulou, Boris Ruf

Springer2008

Polynomial Filtering for Fast Convergence in Distributed Consensus

Pascal Frossard, Effrosyni Kokiopoulou

2009

3D Face Recognition using Sparse Spherical Representations

Pascal Frossard, Effrosyni Kokiopoulou, Ivana Tosic, Roser Sala Llonch

2008

Graph-based Classification for Multiple Observations of Transformed Patterns

Pascal Frossard, Effrosyni Kokiopoulou, Stefanos Pirillos

2008

Optimal Polynomial Filtering for Accelerating Distributed Consensus

Pascal Frossard, Effrosyni Kokiopoulou

In the past few years, the problem of distributed consensus has received a lot of attention, particularly in the framework of ad hoc sensor networks. Most methods proposed in the literature attack this problem by distributed linear iterative algorithms, wi ...

2008

Computation of Large Invariant Subspaces Using Polynomial Filtered Lanczos Iterations with Applications in Density Functional Theory

Effrosyni Kokiopoulou

2008