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While test-time adaptation (TTA) methods effectively address domain shifts by dynamically adapting pre-trained models to target domain data during online inference, their application to 3D point clouds is hindered by their irregular and…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Xin Wei , Qin Yang , Yijie Fang , Mingrui Zhu , Nannan Wang

Spatial convolutions are widely used in numerous deep video models. It fundamentally assumes spatio-temporal invariance, i.e., using shared weights for every location in different frames. This work presents Temporally-Adaptive Convolutions…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Ziyuan Huang , Shiwei Zhang , Liang Pan , Zhiwu Qing , Mingqian Tang , Ziwei Liu , Marcelo H. Ang

Many recent machine learning tasks focus to develop models that can generalize to unseen distributions. Domain generalization (DG) has become one of the key topics in various fields. Several literatures show that DG can be arbitrarily hard…

机器学习 · 计算机科学 2023-05-11 Yi-Fan Zhang , Xue Wang , Kexin Jin , Kun Yuan , Zhang Zhang , Liang Wang , Rong Jin , Tieniu Tan

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

Reliable long-term decoding of surface electromyography (EMG) is hindered by signal drift caused by electrode shifts, muscle fatigue, and posture changes. While state-of-the-art models achieve high intra-session accuracy, their performance…

机器学习 · 计算机科学 2026-01-08 Nia Touko , Matthew O A Ellis , Cristiano Capone , Alessio Burrello , Elisa Donati , Luca Manneschi

Monitoring the growth of subcortical regions of the fetal brain in ultrasound (US) images can help identify the presence of abnormal development. Manually segmenting these regions is a challenging task, but recent work has shown that it can…

Test time adaptation (TTA) aims to adapt deep neural networks when receiving out of distribution test domain samples. In this setting, the model can only access online unlabeled test samples and pre-trained models on the training domains.…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Shuai Wang , Daoan Zhang , Zipei Yan , Jianguo Zhang , Rui Li

Test-Time Adaptation (TTA) methods are often computationally expensive, require a large amount of data for effective adaptation, or are brittle to hyperparameters. Based on a theoretical foundation of the geometry of the latent space, we…

机器学习 · 计算机科学 2026-05-12 Alexander Murphy , Michal Danilowski , Soumyajit Chatterjee , Abhirup Ghosh

Since real-world machine systems are running in non-stationary environments, Continual Test-Time Adaptation (CTTA) task is proposed to adapt the pre-trained model to continually changing target domains. Recently, existing methods mainly…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Jiaming Liu , Senqiao Yang , Peidong Jia , Renrui Zhang , Ming Lu , Yandong Guo , Wei Xue , Shanghang Zhang

3D point cloud segmentation has received significant interest for its growing applications. However, the generalization ability of models suffers in dynamic scenarios due to the distribution shift between test and training data. To promote…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Tianpei Zou , Sanqing Qu , Zhijun Li , Alois Knoll , Lianghua He , Guang Chen , Changjun Jiang

Convolutional Neural Networks (ConvNets) are trained offline using the few available data and may therefore suffer from substantial accuracy loss when ported on the field, where unseen input patterns received under unpredictable external…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Luca Mocerino , Roberto G. Rizzo , Valentino Peluso , Andrea Calimera , Enrico Macii

Topological Data Analysis (TDA) has emerged as a powerful tool for extracting meaningful features from complex data structures, driving significant advancements in fields such as neuroscience, biology, machine learning, and financial…

机器学习 · 计算机科学 2025-04-02 ZiXin Lin , Nur Fariha Syaqina Zulkepli

Adaptation of pretrained vision-language models such as CLIP to various downstream tasks have raised great interest in recent researches. Previous works have proposed a variety of test-time adaptation (TTA) methods to achieve strong…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Taolin Zhang , Jinpeng Wang , Hang Guo , Tao Dai , Bin Chen , Shu-Tao Xia

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

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…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Shuaicheng Niu , Guohao Chen , Peilin Zhao , Tianyi Wang , Pengcheng Wu , Zhiqi Shen

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

This paper studies continual test-time adaptation (CTTA), the task of adapting a model to constantly changing unseen domains in testing while preserving previously learned knowledge. Existing CTTA methods mostly focus on adaptation to the…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Sohyun Lee , Nayeong Kim , Juwon Kang , Seong Joon Oh , Suha Kwak

Domain adaptation (DA) techniques help deep learning models generalize across data shifts for point cloud semantic segmentation (PCSS). Test-time adaptation (TTA) allows direct adaptation of a pre-trained model to unlabeled data during…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Puzuo Wang , Wei Yao , Jie Shao , Zhiyi He

In this paper, we introduce a method for adapting the step-sizes of temporal difference (TD) learning. The performance of TD methods often depends on well chosen step-sizes, yet few algorithms have been developed for setting the step-size…

机器学习 · 计算机科学 2018-04-11 Alex Kearney , Vivek Veeriah , Jaden B. Travnik , Richard S. Sutton , Patrick M. Pilarski

Test time adaptation (TTA) has emerged as a promising solution to adapt pre-trained models to new, unseen data distributions using unlabeled target domain data. However, most TTA methods are designed for independent data, often overlooking…

机器学习 · 计算机科学 2026-01-21 Ting Dang , Soumyajit Chatterjee , Hong Jia , Yu Wu , Flora Salim , Fahim Kawsar