DF20 fine-grained Classification Dataset
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DF20, the full name of Danish Fungi 2020, is a fine-grained classification dataset with several unique features: accurate category annotation, few errors, highly unbalanced long-tail class distribution, rich observation metadata, and a well-defined category hierarchy.
The dataset contains 1,604 different categories, including 248,466 training images and 27,608 testing images.
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