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Statistical methods have become more and more popular in signal and image processing over the past decades. These methods have been able to tackle various applications such as speech recognition, object tracking, image segmentation or restoration, classification, clustering, etc.

The aim of this project, started in February 2014 and supported by the Agence Nationale de la Recherche (ANR), is to investigate the use of Bayesian nonparametric methods in statistical signal and image processing. Similarly to Bayesian parametric methods, this set of methods is concerned with the elicitation of prior and computation of posterior distributions, but now on infinite-dimensional parameter spaces. Although these methods have become very popular in statistics and machine learning over the last 20 years, their potential is still underexploited in signal and image processing. The aim of the overall project, which gathers researchers in statistics, machine learning and signal and image processing, is to develop a new framework for the statistical signal and image processing communities. Building on results from statistics and machine learning we aim at defining new models, methods and algorithms for statistical signal and image processing. Applications to hyperspectral image analysis, medical imaging, image segmentation, GPS localization, image restoration or space-time tomographic reconstruction will allow various concrete illustrations of the theoretical advances and validation on real data coming from realistic contexts.

Project funded by the Agence Nationale de la Recherche