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The diversity of retinal imaging devices poses a significant challenge: domain shift, which leads to performance degradation when applying the deep learning models trained on one domain to new testing domains. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2021-10-07 Peng Liu , Charlie T. Tran , Bin Kong , Ruogu Fang

Test-time adaptation (TTA) aims to adapt a pretrained model to distribution shifts using only unlabeled test data. While promising, existing methods like Tent suffer from instability and can catastrophically forget the source knowledge,…

机器学习 · 计算机科学 2025-10-08 Harshil Vejendla

Test-time adaptation (TTA) aims to transfer knowledge from a source model to unknown test data with potential distribution shifts in an online manner. Many existing TTA methods rely on entropy as a confidence metric to optimize the model.…

机器学习 · 计算机科学 2025-10-07 Chang'an Yi , Xiaohui Deng , Shuaicheng Niu , Yan Zhou

Recently, diffusion-based test-time adaptations (TTA) have shown great advances, which leverage a diffusion model to map the images in the unknown test domain to the training domain. The unseen and diverse test domains make diffusion-based…

机器学习 · 计算机科学 2025-03-13 Kaiyu Song , Hanjiang Lai , Yan Pan , Kun Yue , Jian Yin

Test-time alignment (TTA) aims to adapt models to specific rewards during inference. However, existing methods tend to either under-optimise or over-optimise (reward hack) the target reward function. We propose Null-Text Test-Time Alignment…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Taehoon Kim , Henry Gouk , Timothy Hospedales

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…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Raza Imam , Hanan Gani , Muhammad Huzaifa , Karthik Nandakumar

As an effective strategy, data augmentation (DA) alleviates data scarcity scenarios where deep learning techniques may fail. It is widely applied in computer vision then introduced to natural language processing and achieves improvements in…

计算与语言 · 计算机科学 2022-06-28 Bohan Li , Yutai Hou , Wanxiang Che

Although open-vocabulary classification models like Contrastive Language Image Pretraining (CLIP) have demonstrated strong zero-shot learning capabilities, their robustness to common image corruptions remains poorly understood. Through…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Sarthak Kumar Maharana , Baoming Zhang , Leonid Karlinsky , Rogerio Feris , Yunhui Guo

Contrastive Language-Image Pretraining (CLIP) excels at learning generalizable image representations but often falls short in zero-shot inference on certain downstream datasets. Test-time adaptation (TTA) mitigates this issue by adjusting…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Zixin Wang , Dong Gong , Sen Wang , Zi Huang , Yadan Luo

Continual Test-Time Adaptation (CTTA) aims to online adapt a pre-trained model to changing environments during inference. Most existing methods focus on exploiting target data, while overlooking another crucial source of information, the…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Kunyu Wang , Xueyang Fu , Yuanfei Bao , Chengjie Ge , Chengzhi Cao , Wei Zhai , Zheng-Jun Zha

Fully test-time adaptation (FTTA) adapts a model that is trained on a source domain to a target domain during the testing phase, where the two domains follow different distributions and source data is unavailable during the training phase.…

人工智能 · 计算机科学 2023-12-15 Houcheng Su , Daixian Liu , Mengzhu Wang , Wei Wang

Deep learning has revolutionized the performance of classification, but meanwhile demands sufficient labeled data for training. Given insufficient data, while many techniques have been developed to help combat overfitting, the challenge…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Xiaofeng Zhang , Zhangyang Wang , Dong Liu , Qing Ling

Real-world vision models in dynamic environments face rapid shifts in domain distributions, leading to decreased recognition performance. Using unlabeled test data, continuous test-time adaptation (CTTA) directly adjusts a pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Sarthak Kumar Maharana , Baoming Zhang , Yunhui Guo

Robustness is a significant constraint in machine learning models. The performance of the algorithms must not deteriorate when training and testing with slightly different data. Deep neural network models achieve awe-inspiring results in a…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Flavio Santos , Cleber Zanchettin , Leonardo Matos , Paulo Novais

Test-time adaptation (TTA) refers to adapting a trained model to a new domain during testing. Existing TTA techniques rely on having multiple test images from the same domain, yet this may be impractical in real-world applications such as…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Haoyu Dong , Nicholas Konz , Hanxue Gu , Maciej A. Mazurowski

Vision-Language-Action models (VLAs) achieve remarkable performance in sequential decision-making but remain fragile to subtle environmental shifts, such as small changes in object pose. We attribute this brittleness to trajectory…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Zehua Zang , Xi Wang , Fuchun Sun , Xiao Xu , Lixiang Lium , Jiahuan Zhou , Jiangmeng Li

Factual probing is a method that uses prompts to test if a language model "knows" certain world knowledge facts. A problem in factual probing is that small changes to the prompt can lead to large changes in model output. Previous work aimed…

计算与语言 · 计算机科学 2023-10-27 Go Kamoda , Benjamin Heinzerling , Keisuke Sakaguchi , Kentaro Inui

Recently, despite the unprecedented success of large pre-trained visual-language models (VLMs) on a wide range of downstream tasks, the real-world unsupervised domain adaptation (UDA) problem is still not well explored. Therefore, in this…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Shuanghao Bai , Min Zhang , Wanqi Zhou , Siteng Huang , Zhirong Luan , Donglin Wang , Badong Chen

Vision-Language Models seamlessly discriminate among arbitrary semantic categories, yet they still suffer from poor generalization when presented with challenging examples. For this reason, Episodic Test-Time Adaptation (TTA) strategies…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Matteo Farina , Gianni Franchi , Giovanni Iacca , Massimiliano Mancini , Elisa Ricci

Partial Domain adaptation (PDA) aims to solve a more practical cross-domain learning problem that assumes target label space is a subset of source label space. However, the mismatched label space causes significant negative transfer. A…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Jian Hu , Hongya Tuo , Shizhao Zhang , Chao Wang , Haowen Zhong , Zhikang Zou , Zhongliang Jing , Henry Leung , Ruping Zou