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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

Parameter-efficient tuning (PET) methods such as LoRA, Adapter, and Visual Prompt Tuning (VPT) have found success in enabling adaptation to new domains by tuning small modules within a transformer model. However, the number of domains…

Remote photoplethysmography (rPPG) technology has become increasingly popular due to its non-invasive monitoring of various physiological indicators, making it widely applicable in multimedia interaction, healthcare, and emotion analysis.…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Weiyu Sun , Xinyu Zhang , Hao Lu , Ying Chen , Yun Ge , Xiaolin Huang , Jie Yuan , Yingcong Chen

The main challenge in domain generalization (DG) is to handle the distribution shift problem that lies between the training and test data. Recent studies suggest that test-time training (TTT), which adapts the learned model with test data,…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Liang Chen , Yong Zhang , Yibing Song , Ying Shan , Lingqiao Liu

Deep networks that rely on prototypes-interpretable representations that can be related to the model input-have gained significant attention for balancing high accuracy with inherent interpretability, which makes them suitable for critical…

机器学习 · 计算机科学 2026-04-20 Mohammad Mahdi Abootorabi , Parvin Mousavi , Purang Abolmaesumi , Evan Shelhamer

Automatic pain recognition is paramount for medical diagnosis and treatment. The existing works fall into three categories: assessing facial appearance changes, exploiting physiological cues, or fusing them in a multi-modal manner. However,…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Ruijing Yang , Ziyu Guan , Zitong Yu , Xiaoyi Feng , Jinye Peng , Guoying Zhao

Remote photoplethysmography (rPPG) is an emerging contactless physiological sensing technique that leverages subtle color variations in facial videos to estimate vital signs such as heart rate and respiratory rate. This non-invasive method…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Ba-Thinh Nguyen , Thach-Ha Ngoc Pham , Hoang-Long Duc Nguyen , Thi-Duyen Ngo , Thanh-Ha Le

Test time Adaptation is a promising approach for mitigating domain shift in medical image segmentation; however, current evaluations remain limited in terms of modality coverage, task diversity, and methodological consistency. We present…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Wenjing Yu , Shuo Jiang , Yifei Chen , Shuo Chang , Yuanhan Wang , Beining Wu , Jie Dong , Mingxuan Liu , Shenghao Zhu , Feiwei Qin , Changmiao Wang , Qiyuan Tian

Test time adaptation (TTA) equips deep learning models to handle unseen test data that deviates from the training distribution, even when source data is inaccessible. While traditional TTA methods often rely on entropy as a confidence…

Test-time adaptation (TTA) enables online model adaptation using only unlabeled test data, aiming to bridge the gap between source and target distributions. However, in multimodal scenarios, varying degrees of distribution shift across…

机器学习 · 计算机科学 2026-03-24 Jiacheng Li , Songhe Feng

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:…

We consider the problem of improving the human instance segmentation mask quality for a given test image using keypoints estimation. We compare two alternative approaches. The first approach is a test-time adaptation (TTA) method, where we…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Kambiz Azarian , Debasmit Das , Hyojin Park , Fatih Porikli

Remote photoplethysmography (rPPG) can remotely extract physiological signals from RGB video, which has many advantages in detecting heart rate, such as low cost and no invasion to patients. The existing rPPG model is usually based on the…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Taixi Chen , Yiu-ming Cheung

Test-time adaptation (TTA) is a technique used to reduce distribution gaps between the training and testing sets by leveraging unlabeled test data during inference. In this work, we expand TTA to a more practical scenario, where the test…

机器学习 · 计算机科学 2023-03-06 Chenyan Wu , Yimu Pan , Yandong Li , James Z. Wang

Text understanding often suffers from domain shifts. To handle testing domains, domain adaptation (DA) is trained to adapt to a fixed and observed testing domain; a more challenging paradigm, test-time adaptation (TTA), cannot access the…

计算与语言 · 计算机科学 2026-01-05 Tianlun Liu , Zhiliang Tian , Zhen Huang , Xingzhi Zhou , Wanlong Yu , Tianle Liu , Feng Liu , Dongsheng Li

Despite domain generalization (DG) has significantly addressed the performance degradation of pre-trained models caused by domain shifts, it often falls short in real-world deployment. Test-time adaptation (TTA), which adjusts a learned…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Xingguo Lv , Xingbo Dong , Liwen Wang , Jiewen Yang , Lei Zhao , Bin Pu , Zhe Jin , Xuejun Li

Unsupervised remote photoplethysmography (rPPG) promises to leverage unlabeled video data, but its potential is hindered by a critical challenge: training on low-quality "in-the-wild" videos severely degrades model performance. An essential…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Tianyang Dai , Ming Chang , Yan Chen , Yang Hu

Remote photoplethysmography (rPPG) is an important technique for perceiving human vital signs, which has received extensive attention. For a long time, researchers have focused on supervised methods that rely on large amounts of labeled…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Xin Liu , Yuting Zhang , Zitong Yu , Hao Lu , Huanjing Yue , Jingyu Yang

We introduce Ev-TTA, a simple, effective test-time adaptation algorithm for event-based object recognition. While event cameras are proposed to provide measurements of scenes with fast motions or drastic illumination changes, many existing…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Junho Kim , Inwoo Hwang , Young Min Kim

Deep learning models have shown great promise in diverse remote sensing applications. However, they often struggle to generalize across geographic regions unseen during training due to domain shifts. Domain shifts occur when data…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Sofiane Bouaziz , Adel Hafiane , Raphael Canals , Rachid Nedjai