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Antoine Collas

4
Documents

Présentation

I am currently a PhD student at SONDRA - CentraleSupelec. My research interests are : - structured covariance estimation - optimization - clustering (and more generally machine learning) - change detection - image segmentation - SAR images

Publications

chengfang-ren
Image document

Probabilistic PCA From Heteroscedastic Signals: Geometric Framework and Application to Clustering

 Antoine Collas , Florent Bouchard , Arnaud Breloy , Guillaume Ginolhac , Chengfang Ren
IEEE Transactions on Signal Processing, 2021, 69, pp.6546-6560. ⟨10.1109/TSP.2021.3130997⟩
Article dans une revue hal-03521278v1
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ON THE USE OF GEODESIC TRIANGLES BETWEEN GAUSSIAN DISTRIBUTIONS FOR CLASSIFICATION PROBLEMS

 Antoine Collas , Florent Bouchard , Guillaume Ginolhac , Arnaud Breloy , Chengfang Ren
2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2022), May 2022, Singapour, Singapore. ⟨10.1109/ICASSP43922.2022.9747872⟩
Communication dans un congrès hal-03752879v1
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Robust Geometric Metric Learning

 Antoine Collas , Arnaud Breloy , Guillaume Ginolhac , Chengfang Ren , Jean-Philippe Ovarlez
30th European Signal Processing Conference, EUSIPCO 2022, Aug 2022, Belgrade, Serbia
Communication dans un congrès hal-03931132v1
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A Tyler-type estimator of location and scatter leveraging Riemannian optimization

 Antoine Collas , Florent Bouchard , A. Breloy , Chengfang Ren , Guillaume Ginolhac
2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2021, Toronto, Canada. ⟨10.1109/ICASSP39728.2021.9414974⟩
Communication dans un congrès hal-03144104v1