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IEEE transactions on pattern analysis and machine intelligence. 2022 Dec;44(12):9521-9535. doi: 10.1109/TPAMI.2021.3126668 Q118.62024

Progressive Learning of Category-Consistent Multi-Granularity Features for Fine-Grained Visual Classification

细粒度视觉分类的类别一致性多粒度特征的渐进式学习方法研究 翻译改进

Ruoyi Du, Jiyang Xie, Zhanyu Ma, Dongliang Chang, Yi-Zhe Song, Jun Guo

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DOI: 10.1109/TPAMI.2021.3126668 PMID: 34752385

摘要 Ai翻译

Fine-grained visual classification (FGVC) is much more challenging than traditional classification tasks due to the inherently subtle intra-class object variations. Recent works are mainly part-driven (either explicitly or implicitly), with the assumption that fine-grained information naturally rests within the parts. In this paper, we take a different stance, and show that part operations are not strictly necessary - the key lies with encouraging the network to learn at different granularities and progressively fusing multi-granularity features together. In particular, we propose: (i) a progressive training strategy that effectively fuses features from different granularities, and (ii) a consistent block convolution that encourages the network to learn the category-consistent features at specific granularities. We evaluate on several standard FGVC benchmark datasets, and demonstrate the proposed method consistently outperforms existing alternatives or delivers competitive results. Codes are available at https://github.com/PRIS-CV/PMG-V2.

Keywords:Progressive Learning

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期刊名:Ieee transactions on pattern analysis and machine intelligence

缩写:IEEE T PATTERN ANAL

ISSN:0162-8828

e-ISSN:1939-3539

IF/分区:18.6/Q1

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Progressive Learning of Category-Consistent Multi-Granularity Features for Fine-Grained Visual Classification