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Robust time-frequency model estimation in otolith images for fish age and growth analysis

Abstract : We present a robust method for time-frequency model estimation. It involves a robust Leclerc's estimator to ensure robustness w.r.t. noise and interferences present in time- frequency representations. This scheme is applied to fish age and growth analysis from otolith images. This application involves the estimation of the parameters of a priori fish growth models using this robust time-frequency analysis. We present a quantitative experimental validation over a large set of real images of Plaice otoliths.
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Ronan Fablet, Abdesslam Benzinou, Christian Doncarli. Robust time-frequency model estimation in otolith images for fish age and growth analysis. ICIP 2003 : IEEE International Conference on Image Processing, Sep 2003, Barcelone, Spain. pp.593 - 596, ⟨10.1109/ICIP.2003.1247314⟩. ⟨hal-02283315⟩

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