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Related papers: Semantic-aware Adversarial Fine-tuning for CLIP

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This paper investigates the role of attention heads in CLIP's image encoder. Building on interpretability studies, we conduct an exhaustive analysis and find that certain heads, distributed across layers, are detrimental to the resulting…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Feng Lin , Marco Chen , Haokui Zhang , Xiaotian Yu , Guangming Lu , Rong Xiao

Many adversarial defense methods have been proposed to enhance the adversarial robustness of natural language processing models. However, most of them introduce additional pre-set linguistic knowledge and assume that the synonym candidates…

Computation and Language · Computer Science 2024-02-28 Yichen Yang , Xin Liu , Kun He

The continual learning setting aims to learn new tasks over time without forgetting the previous ones. The literature reports several significant efforts to tackle this problem with limited or no access to previous task data. Among such…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Vishal Thengane , Salman Khan , Munawar Hayat , Fahad Khan

Vision-language models like CLIP have achieved remarkable progress in cross-modal representation learning, yet suffer from systematic misclassifications among visually and semantically similar categories. We observe that such confusion…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Maoyuan Shao , Yutong Gao , Xinyang Huang , Chuang Zhu , Lijuan Sun , Guoshun Nan

In the era of foundation models, CLIP has emerged as a powerful tool for aligning text & visual modalities into a common embedding space. However, the alignment objective used to train CLIP often results in subpar visual features for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Mohamed Fazli Imam , Rufael Fedaku Marew , Jameel Hassan , Mustansar Fiaz , Alham Fikri Aji , Hisham Cholakkal

Contrastive vision-language models continue to be the dominant approach for image and text retrieval. Contrastive Language-Image Pre-training (CLIP) trains two neural networks in contrastive manner to align their image and text embeddings…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Kwun Ho Ngan , Saman Sadeghi Afgeh , Joe Townsend , Artur d'Avila Garcez

The neural network (NN) becomes one of the most heated type of models in various signal processing applications. However, NNs are extremely vulnerable to adversarial examples (AEs). To defend AEs, adversarial training (AT) is believed to be…

Machine Learning · Computer Science 2023-08-31 Mingyuan Fan , Yang Liu , Cen Chen

Vehicle re-identification (Re-ID) is a crucial task in intelligent transportation systems (ITS), aimed at retrieving and matching the same vehicle across different surveillance cameras. Numerous studies have explored methods to enhance…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Liping Lu , Zihao Fu , Duanfeng Chu , Wei Wang , Bingrong Xu

Open-vocabulary semantic segmentation aims to assign semantic labels to each pixel without being constrained by a predefined set of categories. While Contrastive Language-Image Pre-training (CLIP) excels in zero-shot classification, it…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Dengke Zhang , Fagui Liu , Quan Tang

Contrastive Language-Image Pre-training (CLIP) on large-scale image-caption datasets learns representations that can achieve remarkable zero-shot generalization. However, such models require a massive amount of pre-training data. Improving…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Siddharth Joshi , Arnav Jain , Ali Payani , Baharan Mirzasoleiman

Semantic segmentation is a fundamental task in medical image analysis and autonomous driving and has a problem with the high cost of annotating the labels required in training. To address this problem, semantic segmentation methods based on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Nagito Saito , Shintaro Ito , Koichi Ito , Takafumi Aoki

Contrastive Language-Image Pre-training (CLIP) has been the cornerstone for zero-shot classification, text-image retrieval, and text-image generation by aligning image and text modalities. Despite its widespread adoption, a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Beichen Zhang , Pan Zhang , Xiaoyi Dong , Yuhang Zang , Jiaqi Wang

Vision Foundation Model (VFM) such as the Segment Anything Model (SAM) and Contrastive Language-Image Pre-training Model (CLIP) has shown promising performance for segmentation and detection tasks. However, although SAM excels in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Kunliang Liu , Jianming Wang , Rize Jin , Wonjun Hwang , Tae-Sun Chung

This paper investigates the robustness of vision-language models against adversarial visual perturbations and introduces a novel ``double visual defense" to enhance this robustness. Unlike previous approaches that resort to lightweight…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Zeyu Wang , Cihang Xie , Brian Bartoldson , Bhavya Kailkhura

Contrastive Language-Image Pre-training (CLIP) excels in global alignment with language but exhibits limited sensitivity to spatial information, leading to strong performance in zero-shot classification tasks but underperformance in tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Congpei Qiu , Yanhao Wu , Wei Ke , Xiuxiu Bai , Tong Zhang

In unsupervised adaptation for vision-language models such as CLIP, pseudo-labels derived from zero-shot predictions often exhibit significant noise, particularly under domain shifts or in visually complex scenarios. Conventional…

Machine Learning · Computer Science 2025-07-31 Eman Ali , Chetan Arora , Muhammad Haris Khan

Vision-language models (VLMs), such as CLIP, have demonstrated exceptional generalization capabilities and can quickly adapt to downstream tasks through prompt fine-tuning. Unfortunately, in classification tasks involving non-training…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Song-Lin Lv , Yu-Yang Chen , Zhi Zhou , Yu-Feng Li , Lan-Zhe Guo

Recently, zero-shot anomaly detection (ZSAD) has emerged as a pivotal paradigm for industrial inspection and medical diagnostics, detecting defects in novel objects without requiring any target-dataset samples during training. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Jingyi Yuan , Chenqiang Gao , Pengyu Jie , Xuan Xia , Shangri Huang , Wanquan Liu

The contrastive vision-language pre-training, known as CLIP, demonstrates remarkable potential in perceiving open-world visual concepts, enabling effective zero-shot image recognition. Nevertheless, few-shot learning methods based on CLIP…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Cheng Cheng , Lin Song , Ruoyi Xue , Hang Wang , Hongbin Sun , Yixiao Ge , Ying Shan

Weakly supervised semantic segmentation has witnessed great achievements with image-level labels. Several recent approaches use the CLIP model to generate pseudo labels for training an individual segmentation model, while there is no…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Bingfeng Zhang , Siyue Yu , Yunchao Wei , Yao Zhao , Jimin Xiao
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