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Test-time adaptive (TTA) semantic segmentation adapts a source pre-trained image semantic segmentation model to unlabeled batches of target domain test images, different from real-world, where samples arrive one-by-one in an online fashion.…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Debasmit Das , Shubhankar Borse , Hyojin Park , Kambiz Azarian , Hong Cai , Risheek Garrepalli , Fatih Porikli

Adapting model parameters to incoming streams of data is a crucial factor to deep learning scalability. Interestingly, prior continual learning strategies in online settings inadvertently anchor their updated parameters to a local parameter…

机器学习 · 计算机科学 2022-09-30 Siddhartha Datta , Nigel Shadbolt

Traditional test-time adaptation (TTA) methods face significant challenges in adapting to dynamic environments characterized by continuously changing long-term target distributions. These challenges primarily stem from two factors:…

Test-time adaptation (TTA) seeks to tackle potential distribution shifts between training and test data by adapting a given model w.r.t. any test sample. Although recent TTA has shown promising performance, we still face two key challenges:…

机器学习 · 计算机科学 2025-08-27 Mingkui Tan , Guohao Chen , Jiaxiang Wu , Yifan Zhang , Yaofo Chen , Peilin Zhao , Shuaicheng Niu

Online adaptation to distribution shifts in satellite image segmentation stands as a crucial yet underexplored problem. In this paper, we address source-free and online domain adaptation, i.e., test-time adaptation (TTA), for satellite…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Fahim Faisal Niloy , Kishor Kumar Bhaumik , Simon S. Woo

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…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Jianghao Wu , Xiangde Luo , Yubo Zhou , Lianming Wu , Guotai Wang , Shaoting Zhang

Pretrained vision-language models (VLMs) like CLIP show strong zero-shot performance but struggle with generalization under distribution shifts. Test-Time Adaptation (TTA) addresses this by adapting VLMs to unlabeled test data in new…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Hamidreza Dastmalchi , Aijun An , Ali cheraghian

Adapting a trained model to perform satisfactorily on continually changing testing domains/environments is an important and challenging task. In this work, we propose a novel framework, SATA, which aims to satisfy the following…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Goirik Chakrabarty , Manogna Sreenivas , Soma Biswas

Principal component analysis (PCA) has been widely used in analyzing high-dimensional data. It converts a set of observed data points of possibly correlated variables into a set of linearly uncorrelated variables via an orthogonal…

最优化与控制 · 数学 2024-03-06 Xin Liang , Zhen-Chen Guo , Li Wang , Ren-Cang Li , Wen-Wei Lin

Visual retrieval systems face significant challenges when updating models with improved representations due to misalignment between the old and new representations. The costly and resource-intensive backfilling process involves…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Simone Ricci , Niccolò Biondi , Federico Pernici , Alberto Del Bimbo

Continual Test-Time Adaptation (CTTA) is crucial for deploying models in real-world applications with unseen, evolving target domains. Existing CTTA methods, however, often rely on source data or prototypes, limiting their applicability in…

Partial domain adaptation (PDA) attracts appealing attention as it deals with a realistic and challenging problem when the source domain label space substitutes the target domain. Most conventional domain adaptation (DA) efforts concentrate…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Taotao Jing , Haifeng Xia , Zhengming Ding

Semantic segmentation models trained on annotated data fail to generalize well when the input data distribution changes over extended time period, leading to requiring re-training to maintain performance. Classic Unsupervised domain…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Serban Stan , Mohammad Rostami

Deep neural networks often degrade under distribution shifts. Although domain adaptation offers a solution, privacy constraints often prevent access to source data, making Test-Time Adaptation (TTA, which adapts using only unlabeled test…

机器学习 · 计算机科学 2025-06-10 Linjing You , Jiabao Lu , Xiayuan Huang

Online continual learning for image classification is crucial for models to adapt to new data while retaining knowledge of previously learned tasks. This capability is essential to address real-world challenges involving dynamic…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Adjovi Sim , Zhengkui Wang , Aik Beng Ng , Shalini De Mello , Simon See , Wonmin Byeon

Catastrophic forgetting is one of the major challenges in continual learning. To address this issue, some existing methods put restrictive constraints on the optimization space of the new task for minimizing the interference to old tasks.…

机器学习 · 计算机科学 2022-02-08 Sen Lin , Li Yang , Deliang Fan , Junshan Zhang

In Continual learning (CL) balancing effective adaptation while combating catastrophic forgetting is a central challenge. Many of the recent best-performing methods utilize various forms of prior task data, e.g. a replay buffer, to tackle…

机器学习 · 计算机科学 2023-06-07 Nader Asadi , MohammadReza Davari , Sudhir Mudur , Rahaf Aljundi , Eugene Belilovsky

Test-time adaptation (TTA) refers to adapting a classifier for the test data when the probability distribution of the test data slightly differs from that of the training data of the model. To the best of our knowledge, most of the existing…

机器学习 · 计算机科学 2026-01-19 Sravan Danda , Aditya Challa , Shlok Mehendale , Snehanshu Saha

Continual Test-Time Adaptation (CTTA) aims to empower perception systems to handle dynamic distribution shifts encountered after deployment. Existing methods predominantly follow a backward-alignment paradigm, which rigidly aligns incoming…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Zhilin Zhu , Yabin Wang , Zhiheng Ma , Yaguang Song , Yaowei Wang , Xiaopeng Hong

Online Continual Learning (OCL) empowers machine learning models to acquire new knowledge online across a sequence of tasks. However, OCL faces a significant challenge: catastrophic forgetting, wherein the model learned in previous tasks is…

机器学习 · 计算机科学 2024-05-16 Fan Lyu , Daofeng Liu , Linglan Zhao , Zhang Zhang , Fanhua Shang , Fuyuan Hu , Wei Feng , Liang Wang