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author:

Yi, Yuanyuan (Yi, Yuanyuan.) [1] | Zeng, Guolei (Zeng, Guolei.) [2] | Ren, Bocheng (Ren, Bocheng.) [3] | Yang, Laurence T. (Yang, Laurence T..) [4] | Chai, Bin (Chai, Bin.) [5] | Li, Yuxin (Li, Yuxin.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

Learning to recognize unseen objects is the goal of zero-shot learning (ZSL), building on transferring the class-level semantic descriptions. Previous methods devote to bridging the instance-level objects with classlevel semantics through feature generation or co-embedding, neglecting prototype-level and distribution-level associations, which is not conducive to narrowing the visual-semantic gap. This paper yields a novel prototype rectification framework for ZSL, termed PRZSL, which is dedicated to learning and calibrating the dual prototype distributions in a meta-domain. We first propose a contrastive embedding module with a compatibility loss and an angular loss to make inter-class prototypes well-separated. We further collaboratively rectify the dual prototypes by injecting the prototype distribution information of another modality, boosting the visual-semantic alignment at the distribution level. Unlike previous methods that anchor the semantic position, semantic prototypes also participate in collaborative updates, thereby promoting alignment from semantic to vision. Comprehensive experimental results on five zero-shot benchmarks demonstrate that our proposed method can achieve competitive performance compared with the state-of-the-art methods.

Keyword:

Contrastive learning Image recognition Manifold alignment Meta-learning Zero-shot learning

Community:

  • [ 1 ] [Yi, Yuanyuan]Hainan Univ, Sch Comp Sci & Technol, Haikou, Peoples R China
  • [ 2 ] [Ren, Bocheng]Hainan Univ, Sch Comp Sci & Technol, Haikou, Peoples R China
  • [ 3 ] [Zeng, Guolei]Fuzhou Univ, Maynooth Int Engn Coll, Fuzhou, Peoples R China
  • [ 4 ] [Chai, Bin]Loudi Vocat & Tech Coll, Sch Mech & Elect Engn, Loudi, Peoples R China
  • [ 5 ] [Li, Yuxin]Beijing Language & Culture Univ, English Coll, Beijing, Peoples R China
  • [ 6 ] [Yang, Laurence T.]Zhengzhou Univ, Sch Comp & Artificial Intelligence, Zhengzhou, Peoples R China
  • [ 7 ] [Yang, Laurence T.]Zhengzhou Univ, Sch Software, Zhengzhou, Peoples R China

Reprint 's Address:

  • [Ren, Bocheng]Hainan Univ, Sch Comp Sci & Technol, Haikou, Peoples R China;;

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PATTERN RECOGNITION

ISSN: 0031-3203

Year: 2024

Volume: 156

7 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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