Digital Taxonomist: Identifying Plant Species in Citizen Scientists' Photographs

• URL: http://arxiv.org/abs/2106.03774v1
• Date: Mon, 7 Jun 2021 16:38:02 GMT
• Title: Digital Taxonomist: Identifying Plant Species in Citizen Scientists' Photographs
• Authors: Riccardo de Lutio, Yihang She, Stefano D'Aronco, Stefania Russo, Philipp Brun, Jan D. Wegner, Konrad Schindler
• Abstract summary: classifying plant specimens based on image data alone is challenging. Most species observations are accompanied by side information about the spatial, temporal and ecological context. We propose a machine learning model that takes into account these additional cues in a unified framework.
• Score: 22.061682739457343
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Automatic identification of plant specimens from amateur photographs could improve species range maps, thus supporting ecosystems research as well as conservation efforts. However, classifying plant specimens based on image data alone is challenging: some species exhibit large variations in visual appearance, while at the same time different species are often visually similar; additionally, species observations follow a highly imbalanced, long-tailed distribution due to differences in abundance as well as observer biases. On the other hand, most species observations are accompanied by side information about the spatial, temporal and ecological context. Moreover, biological species are not an unordered list of classes but embedded in a hierarchical taxonomic structure. We propose a machine learning model that takes into account these additional cues in a unified framework. Our Digital Taxonomist is able to identify plant species in photographs more correctly.

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