arXiv:2409.06809cs.CV2024-09中稿 · ICLR被引 23

让CLIP更懂细节,提升细粒度分割精度

DetailCLIP: Detail-Oriented CLIP for Fine-Grained Tasks

  • 通过像素级重建和补丁级对比学习增强细节感知
  • 在多个数据集上分割准确率超越现有CLIP模型
  • 适合需要精细视觉特征的图像理解任务

本文提出DetailCLIP:一种面向细粒度任务(如分割)的细节感知型视觉-语言模型。针对传统对比学习模型(如CLIP)在捕捉精细细节方面的不足,我们设计了一种新框架,结合补丁级自蒸馏对比与像素级重建损失,并引入基于注意力的标记移除机制,有选择性地保留语义相关特征。该方法使模型能聚焦于与文本描述对齐的关键图像区域,同时兼顾文本处理、补丁比较与图像重构功能,从而有效学习高层语义与详细视觉特征。实验表明,DetailCLIP在分割精度上优于现有CLIP基线及传统自监督学习模型,并展现出更强跨数据集泛化能力。本工作为需高阶语义理解与细节提取的任务提供了可靠解决方案。

原文摘要 · Abstract (English)

In this paper, we introduce DetailCLIP: A Detail-Oriented CLIP to address the limitations of contrastive learning-based vision-language models, particularly CLIP, in handling detail-oriented and fine-grained tasks like segmentation. While CLIP and its variants excel in the global alignment of image and text representations, they often struggle to capture the fine-grained details necessary for precise segmentation. To overcome these challenges, we propose a novel framework that employs patch-level comparison of self-distillation and pixel-level reconstruction losses, enhanced with an attention-based token removal mechanism. This approach selectively retains semantically relevant tokens, enabling the model to focus on the image's critical regions aligned with the specific functions of our model, including textual information processing, patch comparison, and image reconstruction, ensuring that the model learns high-level semantics and detailed visual features. Our experiments demonstrate that DetailCLIP surpasses existing CLIP-based and traditional self-supervised learning (SSL) models in segmentation accuracy and exhibits superior generalization across diverse datasets. DetailCLIP represents a significant advancement in vision-language modeling, offering a robust solution for tasks that demand high-level semantic understanding and detailed feature extraction. https://github.com/KishoreP1/DetailCLIP.

细粒度分割视觉语言模型细节建模

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