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Volume: 33 | Article ID: art00003
Knowledge distillation from multispectral Images for fish freshness estimation
  DOI :  10.2352/ISSN.2470-1173.2021.12.FAIS-027  Published OnlineJanuary 2021

Fish quality is primarily effected by the number of days elapsed since harvesting, while bad storage conditions can also lead to quality degradation similar to the impact time. Existing approaches require laboratory testing, a laborious and timeconsuming process. In this work, we investigate technologies for quantifying fish quality though the development of deep learning models for analyzing imagery of fish. We first demonstrate that such a quantification is possible, to a certain degree, from multispectral images provided a sufficient number of training examples is available. Given that, we explore how knowledge distillation can be utilized for achieving similar fish quality estimation accuracy, but instead of using high-end multispectral imaging systems, using off-the-shelf RGB cameras. Experimental evaluation on individuals from the Mullus Marbatus family demonstrates that the proposed methodology constitutes a valid approach.

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G. Tsagkatakis, S. Roumpakis, S. Nikolidakis, E. Petra, A. Mantes, A. Kapantagakis, K. Grigorakis, G. Katselis, N. Vlahos, P. Tsakalides, "Knowledge distillation from multispectral Images for fish freshness estimationin Proc. IS&T Int’l. Symp. on Electronic Imaging: Food and Agricultural Imaging Systems,  2021,  pp 27-1 - 27-7,

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