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Related papers: On the test-time zero-shot generalization of visio…

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Large pre-trained Vision-Language Models (VLMs) such as CLIP have demonstrated excellent zero-shot generalizability across various downstream tasks. However, recent studies have shown that the inference performance of CLIP can be greatly…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Xin Wang , Kai Chen , Jiaming Zhang , Jingjing Chen , Xingjun Ma

Though CLIP-based prompt tuning significantly enhances pre-trained Vision-Language Models, existing research focuses on reconstructing the model architecture, e.g., additional loss calculation and meta-networks. These approaches generally…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Haoyang Li , Siyu Zhou , Liang Wang , Guodong Long

Test-time adaptation (TTA) has emerged as a promising paradigm for vision-language models (VLMs) to bridge the distribution gap between pre-training and test data. Recent works have focused on backpropagation-free TTA methods that rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Zhaohong Huang , Yuxin Zhang , Wenjing Liu , Fei Chao , Rongrong Ji

Large-scale pre-trained Vision-Language models (VLMs), such as CLIP, exhibit strong zero-shot generalization, yet remain highly vulnerable to imperceptible adversarial perturbations, raising serious safety concerns for open-world…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xin Wang , Yixu Wang , Jiaming Zhang , Ruofan Wang , Jiaqi Yu , Kai Chen , Jingjing Chen , Xingjun Ma , Yu-Gang Jiang

Few-shot, fine-grained classification in computer vision poses significant challenges due to the need to differentiate subtle class distinctions with limited data. This paper presents a novel method that enhances the Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Eric Brouwer , Jan Erik van Woerden , Gertjan Burghouts , Matias Valdenegro-Toro , Marco Zullich

Large pre-trained vision-language (VL) models have shown significant promise in adapting to various downstream tasks. However, fine-tuning the entire network is challenging due to the massive number of model parameters. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Jingchen Sun , Jiayu Qin , Zihao Lin , Changyou Chen

Adopting contrastive image-text pretrained models like CLIP towards video classification has gained attention due to its cost-effectiveness and competitive performance. However, recent works in this area face a trade-off. Finetuning the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Syed Talal Wasim , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

We introduce Generalized Test-Time Augmentation (GTTA), a highly effective method for improving the performance of a trained model, which unlike other existing Test-Time Augmentation approaches from the literature is general enough to be…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Andrei Jelea , Ahmed Nabil Belbachir , Marius Leordeanu

Vision-language models such as CLIP learn a generic text-image embedding from large-scale training data. A vision-language model can be adapted to a new classification task through few-shot prompt tuning. We find that such a prompt tuning…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Cheng-En Wu , Yu Tian , Haichao Yu , Heng Wang , Pedro Morgado , Yu Hen Hu , Linjie Yang

The conventional modus operandi for adapting pre-trained vision-language models (VLMs) during test-time involves tuning learnable prompts, ie, test-time prompt tuning. This paper introduces Test-Time Low-rank adaptation (TTL) as an…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Raza Imam , Hanan Gani , Muhammad Huzaifa , Karthik Nandakumar

Vision-Language Models (VLMs) such as CLIP have yielded unprecedented performance for zero-shot image classification, yet their generalization capability may still be seriously challenged when confronted to domain shifts. In response, we…

Vision-language models have showcased impressive zero-shot classification capabilities when equipped with suitable text prompts. Previous studies have shown the effectiveness of test-time prompt tuning; however, these methods typically…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Yuhan Zhu , Guozhen Zhang , Chen Xu , Haocheng Shen , Xiaoxin Chen , Gangshan Wu , Limin Wang

Overfitting in RL has become one of the main obstacles to applications in reinforcement learning(RL). Existing methods do not provide explicit semantic constrain for the feature extractor, hindering the agent from learning a unified…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Haihan Gao , Rui Zhang , Qi Yi , Hantao Yao , Haochen Li , Jiaming Guo , Shaohui Peng , Yunkai Gao , QiCheng Wang , Xing Hu , Yuanbo Wen , Zihao Zhang , Zidong Du , Ling Li , Qi Guo , Yunji Chen

Careful prompt design is critical to the use of large language models in zero-shot or few-shot learning. As a consequence, there is a growing interest in automated methods to design optimal prompts. In this work, we propose Test-time Prompt…

Computation and Language · Computer Science 2022-11-23 Tianjun Zhang , Xuezhi Wang , Denny Zhou , Dale Schuurmans , Joseph E. Gonzalez

Large-scale contrastive vision-language pre-training has shown significant progress in visual representation learning. Unlike traditional visual systems trained by a fixed set of discrete labels, a new paradigm was introduced in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Peng Gao , Shijie Geng , Renrui Zhang , Teli Ma , Rongyao Fang , Yongfeng Zhang , Hongsheng Li , Yu Qiao

Recently, Vision-Language foundation models like CLIP and ALIGN, which are pre-trained on large-scale data have shown remarkable zero-shot generalization to diverse datasets with different classes and even domains. In this work, we take a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Debarshi Brahma , Anuska Roy , Soma Biswas

Vision and Language Models (VLMs), such as CLIP, have enabled visual recognition of a potentially unlimited set of categories described by text prompts. However, for the best visual recognition performance, these models still require tuning…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Horst Possegger , Rogerio Feris , Horst Bischof

Pre-trained vision-language models have shown impressive success on various computer vision tasks with their zero-shot generalizability. Recently, prompt learning approaches have been explored to efficiently and effectively adapt the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jinyoung Park , Juyeon Ko , Hyunwoo J. Kim

Vision-language models (VLM) have demonstrated impressive performance in image recognition by leveraging self-supervised training on large datasets. Their performance can be further improved by adapting to the test sample using test-time…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Ramya Hebbalaguppe , Tamoghno Kandar , Abhinav Nagpal , Chetan Arora

Large-scale vision-language models (VLMs), e.g., CLIP, learn broad visual concepts from tedious training data, showing superb generalization ability. Amount of prompt learning methods have been proposed to efficiently adapt the VLMs to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Hongyu Hu , Tiancheng Lin , Jie Wang , Zhenbang Sun , Yi Xu