Accelerating Conditional Prompt Learning via Masked Image Modeling for Vision-Language Models

• URL: http://arxiv.org/abs/2508.04942v1
• Date: Thu, 07 Aug 2025 00:08:31 GMT
• Title: Accelerating Conditional Prompt Learning via Masked Image Modeling for Vision-Language Models
• Authors: Phuoc-Nguyen Bui, Khanh-Binh Nguyen, Hyunseung Choo,
• Abstract summary: Vision-language models (VLMs) like CLIP excel in zero-shot learning but often require resource-intensive training to adapt to new tasks.<n>We introduce ProMIM, a plug-and-play framework that enhances conditional prompt learning by integrating masked image modeling (MIM) into existing VLM pipelines.
• Score: 1.1925232472331495
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Vision-language models (VLMs) like CLIP excel in zero-shot learning but often require resource-intensive training to adapt to new tasks. Prompt learning techniques, such as CoOp and CoCoOp, offer efficient adaptation but tend to overfit to known classes, limiting generalization to unseen categories. We introduce ProMIM, a plug-and-play framework that enhances conditional prompt learning by integrating masked image modeling (MIM) into existing VLM pipelines. ProMIM leverages a simple yet effective masking strategy to generate robust, instance-conditioned prompts, seamlessly augmenting methods like CoOp and CoCoOp without altering their core architectures. By masking only visible image patches and using these representations to guide prompt generation, ProMIM improves feature robustness and mitigates overfitting, all while introducing negligible additional computational cost. Extensive experiments across zero-shot and few-shot classification tasks demonstrate that ProMIM consistently boosts generalization performance when plugged into existing approaches, providing a practical, lightweight solution for real-world vision-language applications.

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