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Test-time adaptation (TTA) enhances model robustness by enabling adaptation to target distributions that differ from training distributions, improving real-world generalizability. However, most existing TTA approaches focus on adjusting the…

机器学习 · 计算机科学 2026-05-05 Yewon Han , Seoyun Yang , Taesup Kim

Deep neural networks have a clear degradation when applying to the unseen environment due to the covariate shift. Conventional approaches like domain adaptation requires the pre-collected target data for iterative training, which is…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Fuming You , Jingjing Li , Zhou Zhao

Test-time adaptation (TTA) of visual language models has recently attracted significant attention as a solution to the performance degradation caused by distribution shifts in downstream tasks. However, existing cache-based TTA methods have…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Haotian Zhai , Xinyu Chen , Can Zhang , Tianming Sha , Ruirui Li

Continual test-time adaptation aims to continuously adapt a pre-trained model to a stream of target domain data without accessing source data. Without access to source domain data, the model focuses solely on the feature characteristics of…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Wenting Yin , Han Sun , Xinru Meng , Ningzhong Liu , Huiyu Zhou

The goal of this paper is to enhance face recognition performance by augmenting head poses during the testing phase. Existing methods often rely on training on frontalised images or learning pose-invariant representations, yet both…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Jaemin Jung , Youngjoon Jang , Joon Son Chung

Currently, pre-trained language models (PLMs) do not cope well with the distribution shift problem, resulting in models trained on the training set failing in real test scenarios. To address this problem, the test-time adaptation (TTA)…

计算与语言 · 计算机科学 2023-04-26 Yi Su , Yixin Ji , Juntao Li , Hai Ye , Min Zhang

Test-time adaptation (TTA) may fail to improve or even harm the model performance when test data have: 1) mixed distribution shifts, 2) small batch sizes, 3) online imbalanced label distribution shifts. This is often a key obstacle…

Domain adaptation helps generalizing object detection models to target domain data with distribution shift. It is often achieved by adapting with access to the whole target domain data. In a more realistic scenario, target distribution is…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Yijin Chen , Xun Xu , Yongyi Su , Kui Jia

Data augmentation is known to contribute significantly to the robustness of machine learning models. In most instances, data augmentation is utilized during the training phase. Test-Time Augmentation (TTA) is a technique that instead…

机器学习 · 统计学 2024-09-20 Masanari Kimura , Howard Bondell

Quantization and cache mechanisms are typically applied individually for efficient Diffusion Transformers (DiTs), each demonstrating notable potential for acceleration. However, the promoting effect of combining the two mechanisms on…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Xin Ding , Xin Li , Haotong Qin , Zhibo Chen

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) enables real-time adaptation to domain shifts without off-line retraining. Recent TTA methods have predominantly explored additive approaches that introduce lightweight modules for feature refinement. Recently, a…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Youngjun Song , Hyeongyu Kim , Dosik Hwang

A novel approach is suggested for improving the accuracy of fault detection in distribution networks. This technique combines adaptive probability learning and waveform decomposition to optimize the similarity of features. Its objective is…

信号处理 · 电气工程与系统科学 2023-10-03 Xinliang Ma , Weihua Liu , Bingying Jin

Test-time adaptation with pre-trained vision-language models (VLMs) has attracted increasing attention for tackling the issue of distribution shift during the test phase. While prior methods have shown effectiveness in addressing…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Baoshun Tong , Kaiyu Song , Hanjiang Lai

Fully Test-Time Adaptation (FTTA) addresses domain shifts without access to source data and training protocols of the pre-trained models. Traditional strategies that align source and target feature distributions are infeasible in FTTA due…

机器学习 · 计算机科学 2025-11-18 Ponhvoan Srey , Yaxin Shi , Hangwei Qian , Jing Li , Ivor W. Tsang

When continual test-time adaptation (TTA) persists over the long term, errors accumulate in the model and further cause it to predict only a few classes for all inputs, a phenomenon known as model collapse. Recent studies have explored…

机器学习 · 计算机科学 2026-03-05 Taejun Lim , Joong-Won Hwang , Kibok Lee

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…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Shishuai Hu , Zehui Liao , Zeyou Liu , Yong Xia

Continual Test Time Adaptation (CTTA) has emerged as a critical approach for bridging the domain gap between the controlled training environments and the real-world scenarios, enhancing model adaptability and robustness. Existing CTTA…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Hyewon Park , Hyejin Park , Jueun Ko , Dongbo Min

Continual Test-Time Adaptation (CTTA) aims to adapt models to sequentially changing domains during testing, relying on pseudo-labels for self-adaptation. However, incorrect pseudo-labels can accumulate, leading to performance degradation.…

机器学习 · 计算机科学 2025-02-06 Fan Lyu , Hanyu Zhao , Ziqi Shi , Ye Liu , Fuyuan Hu , Zhang Zhang , Liang Wang

Test-time augmentation (TTA)--aggregating predictions over multiple augmented copies of a test input--is widely assumed to improve classification accuracy, particularly in medical imaging where it is routinely deployed in production systems…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Daniel Nobrega Medeiros