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While there are many advantages to deploying machine learning models on edge devices, the resource constraints of mobile platforms, the dynamic nature of the environment, and differences between the distribution of training versus…

机器学习 · 计算机科学 2025-03-21 Cynthia Dong , Hong Jia , Young D. Kwon , Georgios Rizos , Cecilia Mascolo

Test-time adaptation (TTA) aims to address distributional shifts between training and testing data using only unlabeled test data streams for continual model adaptation. However, most TTA methods assume benign test streams, while test…

机器学习 · 计算机科学 2023-10-17 Taesik Gong , Yewon Kim , Taeckyung Lee , Sorn Chottananurak , Sung-Ju Lee

Real-world time series often exhibit a non-stationary nature, degrading the performance of pre-trained forecasting models. Test-Time Adaptation (TTA) addresses this by adjusting models during inference, but existing methods typically update…

机器学习 · 计算机科学 2025-07-01 Heitor R. Medeiros , Hossein Sharifi-Noghabi , Gabriel L. Oliveira , Saghar Irandoust

In recent years, the long-range attention mechanism of vision transformers has driven significant performance breakthroughs across various computer vision tasks. However, the traditional self-attention mechanism, which processes both…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Tianyi Zhang , Baoxin Li , Jae-sun Seo , Yu Cao

Source-free domain generalization (SFDG) tackles the challenge of adapting models to unseen target domains without access to source domain data. To deal with this challenging task, recent advances in SFDG have primarily focused on…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Haoran Zhang , Shuanghao Bai , Wanqi Zhou , Jingwen Fu , Badong Chen

Source-free Unsupervised Domain Adaptation (SF-UDA) aims to adapt a well-trained source model to an unlabeled target domain without access to the source data. One key challenge is the lack of source data during domain adaptation. To handle…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Hongbin Lin , Mingkui Tan , Yifan Zhang , Zhen Qiu , Shuaicheng Niu , Dong Liu , Qing Du , Yanxia Liu

Semantic segmentation of 3D geospatial point clouds is fundamental to remote sensing applications, yet domain shifts caused by regional and acquisition-related variations often degrade model performance. Although domain adaptation can…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Yuan Gao , Di Cao , Xiaohuan Xi , Sheng Nie , Shaobo Xia , Cheng Wang

Test-time adaptation (TTA) aims to adapt a trained classifier using online unlabeled test data only, without any information related to the training procedure. Most existing TTA methods adapt the trained classifier using the classifier's…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Minguk Jang , Sae-Young Chung , Hye Won Chung

Parameter-efficient fine-tuning strategies for foundation models in 1D textual and 2D visual analysis have demonstrated remarkable efficacy. However, due to the scarcity of point cloud data, pre-training large 3D models remains a…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Mengke Li , Lihao Chen , Peng Zhang , Yiu-ming Cheung , Hui Huang

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…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Guannan Lai , Da-Wei Zhou , Zhenguo Li , Han-Jia Ye

Test-Time Adaptation (TTA) aims to mitigate distributional shifts between training and test domains during inference time. However, existing TTA methods fall short in the realistic scenario where models face both continually changing…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Yingkai Yang , Chaoqi Chen , Hui Huang

Current test-time adaptation (TTA) approaches aim to adapt a machine learning model to environments that change continuously. Yet, it is unclear whether TTA methods can maintain their adaptability over prolonged periods. To answer this…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Trung-Hieu Hoang , Duc Minh Vo , Minh N. Do

Efficient point cloud (PC) compression is crucial for streaming applications, such as augmented reality and cooperative perception. Classic PC compression techniques encode all the points in a frame. Tailoring compression towards perception…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Pengxi Zeng , Alberto Presta , Jonah Reinis , Dinesh Bharadia , Hang Qiu , Pamela Cosman

Post-training quantization (PTQ) reduces excessive hardware cost by quantizing full-precision models into lower bit representations on a tiny calibration set, without retraining. Despite the remarkable progress made through recent efforts,…

机器学习 · 计算机科学 2024-12-16 Junrui Xiao , Zhikai Li , Lianwei Yang , Yiduo Mei , Qingyi Gu

Large language models apply uniform computation to all inputs, regardless of difficulty. We propose PonderTTT, a gating strategy using the TTT layer's self-supervised reconstruction loss to selectively trigger Test-Time Training (TTT)…

机器学习 · 计算机科学 2026-01-06 Gihyeon Sim

Established sampling protocols for 3D point cloud learning, such as Farthest Point Sampling (FPS) and Fixed Sample Size (FSS), have long been relied upon. However, real-world data often suffer from corruptions, such as sensor noise, which…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Chongshou Li , Pin Tang , Xinke Li , Yuheng Liu , Tianrui Li

Continual Test-Time Adaptation (CTTA) aims to adapt the source model to continually changing unlabeled target domains without access to the source data. Existing methods mainly focus on model-based adaptation in a self-training manner, such…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Yulu Gan , Yan Bai , Yihang Lou , Xianzheng Ma , Renrui Zhang , Nian Shi , Lin Luo

Test-Time Adaptation (TTA) has emerged as a promising solution for adapting a source model to unseen medical sites using unlabeled test data, due to the high cost of data annotation. Existing TTA methods consider scenarios where data from…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Wei Li , Jingyang Zhang , Lihao Liu , Guoan Wang , Junjun He , Yang Chen , Lixu Gu

This paper introduces Point-GN, a novel non-parametric network for efficient and accurate 3D point cloud classification. Unlike conventional deep learning models that rely on a large number of trainable parameters, Point-GN leverages…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Marzieh Mohammadi , Amir Salarpour

Test-time adaptation (TTA) allows a model to be adapted to an unseen domain without accessing the source data. Due to the nature of practical environments, TTA has a limited amount of data for adaptation. Recent TTA methods further restrict…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Younggeol Cho , Youngrae Kim , Junho Yoon , Seunghoon Hong , Dongman Lee