Knowledge distillation from multispectral Images for fish freshness estimation. - Grigorios Tsagkatakis; Stylianos Roubakis; Savas Nikolidakis; Eleni Petra; Athanasios Mantes; Argyris Kapantagakis; Kriton Grigorakis; George Katselis; Nikos Vlahos; Panagiotis Tsakalides (Food and Agricultural Imaging Systems, 2021)