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TransFGVC: transformer-based fine-grained visual classification
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AI
DOI：10.1007/s00371-024-03545-6.png)
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Abstract
En 中文
Fine-grained visual classification (FGVC) aims to identify subcategories of objects within the same superclass. This task is challenging owing to high intra-class variance and low inter-class variance. The most recent methods focus on locating discriminative areas and then training the classification network to further capture the subtle differences among them. On the one hand, the detection network often obtains an entire part of the object, and positioning errors occur. On the other hand, these methods ignore the correlations between the extracted regions. We propose a novel highly scalable approach, called TransFGVC, that cleverly combines Swin Transformers with long short-term memory (LSTM) networks to address the above problems. The Swin Transformer is used to obtain remarkable visual tokens through self-attention layer stacking, and LSTM is used to model them globally, which not only accurately locates the discriminative region but also further introduces global information that is important for FGVC. The proposed method achieves competitive performance with accuracy rates of 92.7%, 91.4% and 91.5% using the public CUB-200-2011 and NABirds datasets and our Birds-267-2022 dataset, and the Params and FLOPs of our method are 25% and 27% lower, respectively, than the current SotA method HERBS. To effectively promote the development of FGVC, we developed the Birds-267-2022 dataset, which has 267 categories and 12,233 images.
Keywords:
Computer vision
Fine-grained visual classification
LSTM
Swin Transformer
Birds-267-2022 dataset