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Related papers: CLIP-Inspector: Model-Level Backdoor Detection for…

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Despite the recent progress in incremental learning, addressing catastrophic forgetting under distributional drift is still an open and important problem. Indeed, while state-of-the-art domain incremental learning (DIL) methods perform…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Julien Nicolas , Florent Chiaroni , Imtiaz Ziko , Ola Ahmad , Christian Desrosiers , Jose Dolz

Finetuning image-text models such as CLIP achieves state-of-the-art accuracies on a variety of benchmarks. However, recent works like WiseFT (Wortsman et al., 2021) and LP-FT (Kumar et al., 2022) have shown that even subtle differences in…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Sachin Goyal , Ananya Kumar , Sankalp Garg , Zico Kolter , Aditi Raghunathan

Most existing methods to detect backdoored machine learning (ML) models take one of the two approaches: trigger inversion (aka. reverse engineer) and weight analysis (aka. model diagnosis). In particular, the gradient-based trigger…

Cryptography and Security · Computer Science 2024-07-23 Rui Zhu , Di Tang , Siyuan Tang , Guanhong Tao , Shiqing Ma , Xiaofeng Wang , Haixu Tang

Vision-language models such as CLIP have shown great impact on diverse downstream tasks for zero-shot or label-free predictions. However, when it comes to low-level vision such as image restoration their performance deteriorates…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Ziwei Luo , Fredrik K. Gustafsson , Zheng Zhao , Jens Sjölund , Thomas B. Schön

This expository paper introduces a simplified approach to image-based quality inspection in manufacturing using OpenAI's CLIP (Contrastive Language-Image Pretraining) model adapted for few-shot learning. While CLIP has demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Fadel M. Megahed , Ying-Ju Chen , Bianca Maria Colosimo , Marco Luigi Giuseppe Grasso , L. Allison Jones-Farmer , Sven Knoth , Hongyue Sun , Inez Zwetsloot

Large vision-language representation learning models like CLIP have demonstrated impressive performance for zero-shot transfer to downstream tasks while largely benefiting from inter-modal (image-text) alignment via contrastive objectives.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Muhammad Waleed Gondal , Jochen Gast , Inigo Alonso Ruiz , Richard Droste , Tommaso Macri , Suren Kumar , Luitpold Staudigl

The Visual Language Model, known for its robust cross-modal capabilities, has been extensively applied in various computer vision tasks. In this paper, we explore the use of CLIP (Contrastive Language-Image Pretraining), a vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Huazhong Zhao , Lei Qi , Xin Geng

Foundation models have revolutionized computer vision by enabling broad generalization across diverse tasks. Yet, they remain highly susceptible to adversarial perturbations and targeted backdoor attacks. Mitigating such vulnerabilities…

Machine Learning · Computer Science 2025-10-17 Amel Abdelraheem , Alessandro Favero , Gerome Bovet , Pascal Frossard

We propose a novel unsupervised backlit image enhancement method, abbreviated as CLIP-LIT, by exploring the potential of Contrastive Language-Image Pre-Training (CLIP) for pixel-level image enhancement. We show that the open-world CLIP…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Zhexin Liang , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

Prompt-tuning methods for Continual Learning (CL) freeze a large pre-trained model and train a few parameter vectors termed prompts. Most of these methods organize these vectors in a pool of key-value pairs and use the input image as query…

Large language models (LLMs) are becoming a popular tool as they have significantly advanced in their capability to tackle a wide range of language-based tasks. However, LLMs applications are highly vulnerable to prompt injection attacks,…

Computation and Language · Computer Science 2024-11-11 Md Abdur Rahman , Fan Wu , Alfredo Cuzzocrea , Sheikh Iqbal Ahamed

Backdoor attack is a common threat to deep neural networks. During testing, samples embedded with a backdoor trigger will be misclassified as an adversarial target by a backdoored model, while samples without the backdoor trigger will be…

Machine Learning · Computer Science 2024-01-05 Zhen Xiang , Zidi Xiong , Bo Li

Object detection models, widely used in security-critical applications, are vulnerable to backdoor attacks that cause targeted misclassifications when triggered by specific patterns. Existing backdoor defense techniques, primarily designed…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Xianda Zhang , Siyuan Liang

Large pre-trained models have achieved notable success across a range of downstream tasks. However, recent research shows that a type of adversarial attack ($\textit{i.e.,}$ backdoor attack) can manipulate the behavior of machine learning…

Artificial Intelligence · Computer Science 2024-10-29 Dongliang Guo , Mengxuan Hu , Zihan Guan , Junfeng Guo , Thomas Hartvigsen , Sheng Li

Open-world object detection (OWOD) extends traditional object detection to identifying both known and unknown object, necessitating continuous model adaptation as new annotations emerge. Current approaches face significant limitations: 1)…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Junwen Duan , Wei Xue , Ziyao Kang , Shixia Liu , Jiazhi Xia

Text-to-image person re-identification (TIReID) aims to retrieve the target person from an image gallery via a textual description query. Recently, pre-trained vision-language models like CLIP have attracted significant attention and have…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Weihao Li , Lei Tan , Pingyang Dai , Yan Zhang

Class-Incremental Learning (CIL) enables learning systems to continuously adapt to evolving data streams. With the advancement of pre-training, leveraging pre-trained vision-language models (e.g., CLIP) offers a promising starting point for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Da-Wei Zhou , Kai-Wen Li , Jingyi Ning , Han-Jia Ye , Lijun Zhang , De-Chuan Zhan

Self-supervised learning (SSL) is increasingly attractive for pre-training encoders without requiring labeled data. Downstream tasks built on top of those pre-trained encoders can achieve nearly state-of-the-art performance. The pre-trained…

Machine Learning · Computer Science 2025-10-06 Tingxu Han , Weisong Sun , Ziqi Ding , Chunrong Fang , Hanwei Qian , Jiaxun Li , Zhenyu Chen , Xiangyu Zhang

Recently, CLIP has found practical utility in the domain of pixel-level zero-shot segmentation tasks. The present landscape features two-stage methodologies beset by issues such as intricate pipelines and elevated computational costs. While…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Wenhao Xu , Rongtao Xu , Changwei Wang , Shibiao Xu , Li Guo , Man Zhang , Xiaopeng Zhang

Prompt tuning for vision-language models such as CLIP involves optimizing the text prompts used to generate image-text pairs for specific downstream tasks. While hand-crafted or template-based prompts are generally applicable to a wider…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Qian Zhang
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