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Parameter-Efficient Fine-Tuning (PEFT) has emerged to mitigate the computational demands of large-scale models. Within computer vision, adapter-based PEFT methods are often favored over prompt-based approaches like Visual Prompt Tuning…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Lingyun Huang , Jianxu Mao , Junfei Yi , Ziming Tao , Yaonan Wang

Contrastive Language-Image Pre-training (CLIP) models have shown significant potential, particularly in zero-shot classification across diverse distribution shifts. Building on existing evaluations of overall classification robustness, this…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Weijie Tu , Weijian Deng , Tom Gedeon

Vision-language pretrained models (VLPs) such as CLIP have achieved remarkable success, but are also highly vulnerable to backdoor attacks. Given a model fine-tuned by an untrusted third party, determining whether the model has been…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zhongqi Wang , Jie Zhang , Shiguang Shan , Xilin Chen

In this paper we propose a novel modification of Contrastive Language-Image Pre-Training (CLIP) guidance for the task of unsupervised backlit image enhancement. Our work builds on the state-of-the-art CLIP-LIT approach, which learns a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Tatiana Gaintseva , Martin Benning , Gregory Slabaugh

As a pivotal technique for improving the defense of deep models, adversarial robustness transfer via distillation has demonstrated remarkable success in conventional image classification tasks. However, this paradigm encounters critical…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xiaowei Fu , Fuxiang Huang , Lei Zhang

Prompt learning is an effective method to customize Vision-Language Models (VLMs) for various downstream tasks, involving tuning very few parameters of input prompt tokens. Recently, prompt pretraining in large-scale dataset (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Zhenyuan Chen , Lingfeng Yang , Shuo Chen , Zhaowei Chen , Jiajun Liang , Xiang Li

Recent advancements in Contrastive Language-Image Pre-training (CLIP) have demonstrated notable success in self-supervised representation learning across various tasks. However, the existing CLIP-like approaches often demand extensive GPU…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Yuexi Du , Brian Chang , Nicha C. Dvornek

With the emergence of Transformers and Vision-Language Models (VLMs) such as CLIP, fine-tuning large pre-trained models has recently become a prevalent strategy in Continual Learning. This has led to the development of numerous prompting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Emanuele Frascaroli , Aniello Panariello , Pietro Buzzega , Lorenzo Bonicelli , Angelo Porrello , Simone Calderara

In this paper, we propose a progressive learning paradigm for transformer-based variable-rate image compression. Our approach covers a wide range of compression rates with the assistance of the Layer-adaptive Prompt Module (LPM). Inspired…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Shiyu Qin , Yimin Zhou , Jinpeng Wang , Bin Chen , Baoyi An , Tao Dai , Shu-Tao Xia

Recent deep-learning-based compression methods have achieved superior performance compared with traditional approaches. However, deep learning models have proven to be vulnerable to backdoor attacks, where some specific trigger patterns…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Yi Yu , Yufei Wang , Wenhan Yang , Shijian Lu , Yap-peng Tan , Alex C. Kot

Research on backdoor attacks against multimodal contrastive learning models faces two key challenges: stealthiness and persistence. Existing methods often fail under strong detection or continuous fine-tuning, largely due to (1) cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Siyuan Liang , Yongcheng Jing , Yingjie Wang , Jiaxing Huang , Ee-chien Chang , Dacheng Tao

Vision-Language models like CLIP have been shown to be highly effective at linking visual perception and natural language understanding, enabling sophisticated image-text capabilities, including strong retrieval and zero-shot classification…

Machine Learning · Computer Science 2026-04-08 Naman Deep Singh , Francesco Croce , Matthias Hein

Prompt tuning, like CoOp, has recently shown promising vision recognizing and transfer learning ability on various downstream tasks with the emergence of large pre-trained vision-language models like CLIP. However, we identify that existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yongzhu Miao , Shasha Li , Jintao Tang , Ting Wang

The widespread use of Vision Language Models (VLMs, e.g. CLIP) has raised concerns about their vulnerability to sophisticated and imperceptible adversarial attacks. These attacks could compromise model performance and system security in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xiaowei Fu , Lei Zhang

Visual language models (VLMs) have made significant progress in image captioning tasks, yet recent studies have found they are vulnerable to backdoor attacks. Attackers can inject undetectable perturbations into the data during inference,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Shuhan Xu , Siyuan Liang , Hongling Zheng , Aishan Liu , Xinbiao Wang , Yong Luo , Fu Lin , Leszek Rutkowski , Dacheng Tao

The rapid growth of deep learning has brought about powerful models that can handle various tasks, like identifying images and understanding language. However, adversarial attacks, an unnoticed alteration, can deceive models, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Sampriti Soor , Alik Pramanick , Jothiprakash K , Arijit Sur

Organisations with limited data and computational resources increasingly outsource model training to Machine Learning as a Service (MLaaS) providers, who adapt vision-language models (VLMs) such as CLIP to downstream tasks via prompt tuning…

Cryptography and Security · Computer Science 2026-04-13 Akshit Jindal , Saket Anand , Chetan Arora , Vikram Goyal

Defending backdoor attacks in Federated Learning (FL) under heterogeneous client data distributions encounters limitations balancing effectiveness and privacy-preserving, while most existing methods highly rely on the assumption of…

Machine Learning · Computer Science 2025-10-14 Keke Gai , Dongjue Wang , Jing Yu , Liehuang Zhu , Qi Wu

Deep neural networks are proven to be vulnerable to fine-designed adversarial examples, and adversarial defense algorithms draw more and more attention nowadays. Pre-processing based defense is a major strategy, as well as learning robust…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Decheng Liu , Tao Chen , Chunlei Peng , Nannan Wang , Ruimin Hu , Xinbo Gao

Large pre-trained vision-language models (VLMs) offer a promising approach to leveraging human language for enhancing downstream tasks. However, VLMs such as CLIP face significant limitation: its performance is highly sensitive to prompt…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Ao Li , Zongfang Liu , Xinhua Li , Jinghui Zhang , Pengwei Wang , Hu Wang