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

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 timefrequency 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.

• Type: Conference
• Year: 2003
• Where: ICIP
• Authors: Ronan Fablet, Abdessalam Benzinou, Christian Doncarli
• Keywords: ICIP 2003, Image Processing, Priori Fish Growth, Robust Leclerc, Robust Method, Robust Time-frequency Analysis, Time-frequency Model Estimation