English
Related papers

Related papers: Subspace Alignment for Vision-Language Model Test-…

200 papers

Test-time adaptation (TTA) for large language models (LLMs) updates model parameters at inference time using signals available at deployment. This paper focuses on a common yet under-explored regime: unsupervised, sample-specific TTA, where…

Computation and Language · Computer Science 2026-02-11 Longhuan Xu , Cunjian Chen , Feng Yin

Deploying foundational medical Segment Anything Models (SAMs) via test-time adaptation (TTA) is challenging under large distribution shifts, where test-time supervision is often unreliable. While active test-time adaptation (ATTA)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiayi Chen , Yasmeen George , Winston Chong , Jianfei Cai

Real-world deployment often exposes models to distribution shifts, making test-time adaptation (TTA) critical for robustness. Yet most TTA methods are unfriendly to edge deployment, as they rely on backpropagation, activation buffering, or…

Machine Learning · Computer Science 2026-05-08 Xinyu Luo , Jie Liu , Kecheng Chen , Junyi Yang , Bo Ding , Arindam Basu , Haoliang Li

Test-Time Adaptation (TTA) offers a practical solution for deploying image segmentation models under domain shift without accessing source data or retraining. Among existing TTA strategies, pseudo-label-based methods have shown promising…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Jianghao Wu , Xiangde Luo , Yubo Zhou , Lianming Wu , Guotai Wang , Shaoting Zhang

Vision-language models (VLMs) allow to embed texts and images in a shared representation space. However, it has been shown that these models are subject to a modality gap phenomenon meaning there exists a clear separation between the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 François Role , Sébastien Meyer , Victor Amblard

Few-shot learning (FSL) aims to generalize to novel categories with only a few samples. Recent approaches incorporate large language models (LLMs) to enrich visual representations with semantic embeddings derived from class names. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Wenhao Li , Xianjing Meng , Qiangchang Wang , Zhongyi Han , Zhibin Wu , Yilong Yin

Test-Time Adaptation (TTA) has emerged as a promising paradigm for enhancing the generalizability of models. However, existing mainstream TTA methods, predominantly operating at batch level, often exhibit suboptimal performance in complex…

Machine Learning · Computer Science 2024-10-15 Yige Yuan , Bingbing Xu , Teng Xiao , Liang Hou , Fei Sun , Huawei Shen , Xueqi Cheng

Although significant progress has been made in few-shot learning, most of existing few-shot image classification methods require supervised pre-training on a large amount of samples of base classes, which limits their generalization ability…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Fang Peng , Xiaoshan Yang , Linhui Xiao , Yaowei Wang , Changsheng Xu

Zero-shot learning (ZSL) tackles the unseen class recognition problem, transferring semantic knowledge from seen classes to unseen ones. Typically, to guarantee desirable knowledge transfer, a common (latent) space is adopted for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Shiming Chen , Guo-Sen Xie , Yang Liu , Qinmu Peng , Baigui Sun , Hao Li , Xinge You , Ling Shao

In this paper, we study a practical but less-touched problem in Vision-Language Models (VLMs), \ie, negation understanding. Specifically, many real-world applications require models to explicitly identify what is false or non-existent, \eg,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Haochen Han , Alex Jinpeng Wang , Fangming Liu , Jun Zhu

Test-time adaptation (TTA) aims to adapt a pre-trained model to the target domain in a batch-by-batch manner during inference. While label distributions often exhibit imbalances in real-world scenarios, most previous TTA approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Sunghyun Park , Seunghan Yang , Jaegul Choo , Sungrack Yun

Test-time adaptation (TTA) has emerged as a promising paradigm to handle the domain shifts at test time for medical images from different institutions without using extra training data. However, existing TTA solutions for segmentation tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Chuyan Zhang , Hao Zheng , Xin You , Yefeng Zheng , Yun Gu

Vision-language supervision has made remarkable strides in learning visual representations from textual guidance. In digital pathology, vision-language models (VLM), pre-trained on curated datasets of histological image-captions, have been…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Pablo Meseguer , Rocío del Amor , Valery Naranjo

Test-time prompt tuning for vision-language models (VLMs) is getting attention because of their ability to learn with unlabeled data without fine-tuning. Although test-time prompt tuning methods for VLMs can boost accuracy, the resulting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Ashshak Sharifdeen , Muhammad Akhtar Munir , Sanoojan Baliah , Salman Khan , Muhammad Haris Khan

Adapting pre-trained models to open classes is a challenging problem in machine learning. Vision-language models fully explore the knowledge of text modality, demonstrating strong zero-shot recognition performance, which is naturally suited…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Zhengqing Gao , Xiang Ao , Xu-Yao Zhang , Cheng-Lin Liu

Vision-language models (VLMs) are gaining attention in medical image analysis. These are pre-trained on large, heterogeneous data sources, yielding rich and transferable representations. Notably, the combination of modality-specialized VLMs…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Julio Silva-Rodríguez , Fereshteh Shakeri , Houda Bahig , Jose Dolz , Ismail Ben Ayed

Deep learning-based medical image segmentation models often face performance degradation when deployed across various medical centers, largely due to the discrepancies in data distribution. Test Time Adaptation (TTA) methods, which adapt…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Shishuai Hu , Zehui Liao , Zeyou Liu , Yong Xia

Foundation models have attracted widespread attention across domains due to their powerful zero-shot classification capabilities. This work is motivated by two key observations: (1) \textit{Vision-Language Models} (VLMs), such as CLIP,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Zhanxuan Hu , Qiyu Xu , Yu Duan , Yonghang Tai , Huafeng Li

Recently, vision-language pretraining has emerged as a transformative technique that integrates the strengths of both visual and textual modalities, resulting in powerful vision-language models (VLMs). Leveraging web-scale pretraining data,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Xinyao Li , Jingjing Li , Fengling Li , Lei Zhu , Yang Yang , Heng Tao Shen

Deep learning models have demonstrated exceptional performance across a wide range of computer vision tasks. However, their performance often degrades significantly when faced with distribution shifts, such as domain or dataset changes.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Samuel Barbeau , Pedram Fekri , David Osowiechi , Ali Bahri , Moslem Yazdanpanah , Masih Aminbeidokhti , Christian Desrosiers