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Related papers: Optimization-Free Test-Time Adaptation for Cross-P…

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We present Point-TTA, a novel test-time adaptation framework for point cloud registration (PCR) that improves the generalization and the performance of registration models. While learning-based approaches have achieved impressive progress,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ahmed Hatem , Yiming Qian , Yang Wang

Human activity recognition (HAR) research has increased in recent years due to its applications in mobile health monitoring, activity recognition, and patient rehabilitation. The typical approach is training a HAR classifier offline with…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Sizhe An , Ganapati Bhat , Suat Gumussoy , Umit Ogras

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

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

Sensor-based human activity recognition (HAR) requires to predict the action of a person based on sensor-generated time series data. HAR has attracted major interest in the past few years, thanks to the large number of applications enabled…

Machine Learning · Computer Science 2021-03-30 Davide Buffelli , Fabio Vandin

Although recent years have witnessed significant advancements in medical image segmentation, the pervasive issue of domain shift among medical images from diverse centres hinders the effective deployment of pre-trained models. Many…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Ziyang Chen , Yiwen Ye , Yongsheng Pan , Yong Xia

Image-to-image translation has emerged as a powerful technique in medical imaging, enabling tasks such as image denoising and cross-modality conversion. However, it suffers from limitations in handling out-of-distribution samples without…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Irene Iele , Francesco Di Feola , Valerio Guarrasi , Paolo Soda

Vision Transformer (ViT) is becoming more popular in image processing. Specifically, we investigate the effectiveness of test-time adaptation (TTA) on ViT, a technique that has emerged to correct its prediction during test-time by itself.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Takeshi Kojima , Yutaka Matsuo , Yusuke Iwasawa

Continual Test-Time Adaptation (CTTA) is proposed to migrate a source pre-trained model to continually changing target distributions, addressing real-world dynamism. Existing CTTA methods mainly rely on entropy minimization or…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jiaming Liu , Ran Xu , Senqiao Yang , Renrui Zhang , Qizhe Zhang , Zehui Chen , Yandong Guo , Shanghang Zhang

Long-term test-time adaptation (TTA) is a challenging task due to error accumulation. Recent approaches tackle this issue by actively labeling a small proportion of samples in each batch, yet the annotation burden quickly grows as the batch…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Guowei Wang , Changxing Ding

Test-time adaptation (TTA) aims to adapt models to maintain reliable performance on non-stationary test streams without requiring labeled data. Despite its empirical success, the learnability of TTA under non-stationary streams remains…

Machine Learning · Computer Science 2026-05-28 Zhi Zhou , Ming Yang , Shi-Yu Tian , Kun-Yang Yu , Lan-Zhe Guo , Yu-Feng Li

Deep learning methods are successfully used in applications pertaining to ubiquitous computing, health, and well-being. Specifically, the area of human activity recognition (HAR) is primarily transformed by the convolutional and recurrent…

Machine Learning · Computer Science 2019-07-30 Aaqib Saeed , Tanir Ozcelebi , Johan Lukkien

The practical utility of Speech Emotion Recognition (SER) systems is undermined by their fragility to domain shifts, such as speaker variability, the distinction between acted and naturalistic emotions, and cross-corpus variations. While…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-26 Jiaheng Dong , Hong Jia , Ting Dang

Continual Test-Time Adaptation (CTTA) aims to enable models to adapt online to unlabeled data streams under distribution shift without accessing source data. Existing CTTA methods face an efficiency-generalization trade-off: updating more…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Guannan Lai , Da-Wei Zhou , Zhenguo Li , Han-Jia Ye

In this paper, we seek to develop a versatile test-time adaptation (TTA) objective for a variety of tasks - classification and regression across image-, object-, and pixel-level predictions. We achieve this through a self-bootstrapping…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Shuaicheng Niu , Guohao Chen , Peilin Zhao , Tianyi Wang , Pengcheng Wu , Zhiqi Shen

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.…

Machine Learning · Computer Science 2025-10-07 Chang'an Yi , Xiaohui Deng , Shuaicheng Niu , Yan Zhou

Vision-language models suffer performance degradation under domain shift, limiting real-world applicability. Existing test-time adaptation methods are computationally intensive, rely on back-propagation, and often focus on single…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Yi Zhang , Chun-Wun Cheng , Angelica I. Aviles-Rivero , Zhihai He , Liang-Jie Zhang

Test-Time-Training (TTT) is an approach to cope with out-of-distribution (OOD) data by adapting a trained model to distribution shifts occurring at test-time. We propose to perform this adaptation via Activation Matching (ActMAD): We…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Muhammad Jehanzeb Mirza , Pol Jané Soneira , Wei Lin , Mateusz Kozinski , Horst Possegger , Horst Bischof

Test-time adaptation (TTA) of Vision-Language Models (VLMs) has emerged as a technique for tackling distribution shifts during the test time. Recent research indicates that the test-time adaptation is intrinsically linked to the model's…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Aodi Li , Liansheng Zhuang , Xiao Long , Houqiang Li , Shafei Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zhilin Zhu , Yabin Wang , Zhiheng Ma , Yaguang Song , Yaowei Wang , Xiaopeng Hong