Simple Yet Efficient: Towards Self-Supervised FG-SBIR with Unified Sample Feature Alignment

• URL: http://arxiv.org/abs/2406.11551v2
• Date: Sat, 22 Jun 2024 08:02:33 GMT
• Title: Simple Yet Efficient: Towards Self-Supervised FG-SBIR with Unified Sample Feature Alignment
• Authors: Jianan Jiang, Di Wu, Zhilin Jiang, Weiren Yu,
• Abstract summary: FG-SBIR aims to minimize the distance between sketches and corresponding images in the embedding space. We propose a simple yet efficient approach to narrow the gap between the two modes. Our framework achieves excellent results on CNN- and ViT-based backbones.
• Score: 6.034505799418777
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Fine-Grained Sketch-Based Image Retrieval (FG-SBIR) aims to minimize the distance between sketches and corresponding images in the embedding space. However, scalability is hindered by the growing complexity of solutions, mainly due to the abstract nature of fine-grained sketches. In this paper, we propose a simple yet efficient approach to narrow the gap between the two modes. It mainly facilitates unified mutual information sharing both intra- and inter-samples, rather than treating them as a single feature alignment problem between modalities. Specifically, our approach includes: (i) Employing dual weight-sharing networks to optimize alignment within sketch and image domain, which also effectively mitigates model learning saturation issues. (ii) Introducing an objective optimization function based on contrastive loss to enhance the model's ability to align features intra- and inter-samples. (iii) Presenting a learnable TRSM combined of self-attention and cross-attention to promote feature representations among tokens, further enhancing sample alignment in the embedding space. Our framework achieves excellent results on CNN- and ViT-based backbones. Extensive experiments demonstrate its superiority over existing methods. We also introduce Cloths-V1, the first professional fashion sketches and images dataset, utilized to validate our method and will be beneficial for other applications.

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