Interpretable Zero-Shot Learning with Locally-Aligned Vision-Language Model

• URL: http://arxiv.org/abs/2506.23822v1
• Date: Mon, 30 Jun 2025 13:14:46 GMT
• Title: Interpretable Zero-Shot Learning with Locally-Aligned Vision-Language Model
• Authors: Shiming Chen, Bowen Duan, Salman Khan, Fahad Shahbaz Khan,
• Abstract summary: Large-scale vision-language models (VLMs) have achieved remarkable success in zero-shot learning (ZSL) by leveraging large-scale visual-text pair datasets.<n>One approach to address this issue is to develop interpretable models by integrating language.<n>We propose LaZSL, a locally-aligned vision-language model for interpretable ZSL.
• Score: 56.573203512455706
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large-scale vision-language models (VLMs), such as CLIP, have achieved remarkable success in zero-shot learning (ZSL) by leveraging large-scale visual-text pair datasets. However, these methods often lack interpretability, as they compute the similarity between an entire query image and the embedded category words, making it difficult to explain their predictions. One approach to address this issue is to develop interpretable models by integrating language, where classifiers are built using discrete attributes, similar to human perception. This introduces a new challenge: how to effectively align local visual features with corresponding attributes based on pre-trained VLMs. To tackle this, we propose LaZSL, a locally-aligned vision-language model for interpretable ZSL. LaZSL employs local visual-semantic alignment via optimal transport to perform interaction between visual regions and their associated attributes, facilitating effective alignment and providing interpretable similarity without the need for additional training. Extensive experiments demonstrate that our method offers several advantages, including enhanced interpretability, improved accuracy, and strong domain generalization. Codes available at: https://github.com/shiming-chen/LaZSL.

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