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arXiv · 2401.04860

Modality-Aware Representation Learning for Zero-shot Sketch-based Image Retrieval

Eunyi Lyou·Doyeon Lee·Jooeun Kim·Joonseok Lee
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Abstract

Zero-shot learning offers an efficient solution for a machine learning model to treat unseen categories, avoiding exhaustive data collection. Zero-shot Sketch-based Image Retrieval (ZS-SBIR) simulates real-world scenarios where it is hard and costly to collect paired sketch-photo samples. We propose a novel framework that indirectly aligns sketches and photos by contrasting them through texts, removing the necessity of access to sketch-photo pairs. With an explicit modality encoding learned from data, our approach disentangles modality-agnostic semantics from modality-specific information, bridging the modality gap and enabling effective cross-modal content retrieval within a joint latent space. From comprehensive experiments, we verify the efficacy of the proposed model on ZS-SBIR, and it can be also applied to generalized and fine-grained settings.

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Eunyi Lyou, Doyeon Lee, Jooeun Kim, Joonseok Lee. 2024-01-10. Modality-Aware Representation Learning for Zero-shot Sketch-based Image Retrieval. https://arxiv.org/abs/2401.04860

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