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Vision-language models have showcased impressive zero-shot classification capabilities when equipped with suitable text prompts. Previous studies have shown the effectiveness of test-time prompt tuning; however, these methods typically…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Yuhan Zhu , Guozhen Zhang , Chen Xu , Haocheng Shen , Xiaoxin Chen , Gangshan Wu , Limin Wang

Test-time adaptation (TTA) has shown to be effective at tackling distribution shifts between training and testing data by adapting a given model on test samples. However, the online model updating of TTA may be unstable and this is often a…

Machine Learning · Computer Science 2023-02-27 Shuaicheng Niu , Jiaxiang Wu , Yifan Zhang , Zhiquan Wen , Yaofo Chen , Peilin Zhao , Mingkui Tan

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,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Liang Chen , Yong Zhang , Yibing Song , Ying Shan , Lingqiao Liu

While recent test-time adaptations exhibit efficacy by adjusting batch normalization to narrow domain disparities, their effectiveness diminishes with realistic mini-batches due to inaccurate target estimation. As previous attempts merely…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Zixian Su , Jingwei Guo , Kai Yao , Xi Yang , Qiufeng Wang , Kaizhu Huang

Text-based person search faces inherent limitations due to data scarcity, driven by stringent privacy constraints and the high cost of manual annotation. To mitigate this, existing methods usually rely on a Pretrain-then-Finetune paradigm,…

Information Retrieval · Computer Science 2026-04-28 Jiahao Zhang , Shaofei Huang , Yaxiong Wang , Zhedong Zheng

Despite their exceptional performance in vision tasks, deep learning models often struggle when faced with domain shifts during testing. Test-Time Training (TTT) methods have recently gained popularity by their ability to enhance the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 David Osowiechi , Gustavo A. Vargas Hakim , Mehrdad Noori , Milad Cheraghalikhani , Ali Bahri , Moslem Yazdanpanah , Ismail Ben Ayed , Christian Desrosiers

Unwanted samples from private source categories in the learning objective of a partial domain adaptation setup can lead to negative transfer and reduce classification performance. Existing methods, such as re-weighting or aggregating target…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sandipan Choudhuri , Arunabha Sen

Continual test-time adaptation (CTTA) updates a pretrained model online on an unlabeled, non-stationary stream while anchoring it to a frozen source checkpoint. This anchor is useful only when the source remains reliable. On CCC-Hard,…

This paper focuses on an accurate and fast interpolation approach for image transformation employed in the design of CNN architectures. Standard Spatial Transformer Networks (STNs) use bilinear or linear interpolation as their…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Pourya Shamsolmoali , Masoumeh Zareapoor

We propose a context-adaptive entropy model for use in end-to-end optimized image compression. Our model exploits two types of contexts, bit-consuming contexts and bit-free contexts, distinguished based upon whether additional bit…

Image and Video Processing · Electrical Eng. & Systems 2019-05-07 Jooyoung Lee , Seunghyun Cho , Seung-Kwon Beack

Node classifiers are required to comprehensively reduce prediction errors, training resources, and inference latency in the industry. However, most graph neural networks (GNN) concentrate only on one or two of them. The compromised aspects…

Machine Learning · Computer Science 2023-06-01 Yi Luo , Guangchun Luo , Ke Qin , Aiguo Chen

One major problem in deep learning-based solutions for medical imaging is the drop in performance when a model is tested on a data distribution different from the one that it is trained on. Adapting the source model to target data…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Jeya Maria Jose Valanarasu , Pengfei Guo , Vibashan VS , Vishal M. Patel

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…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Puzuo Wang , Wei Yao , Jie Shao , Zhiyi He

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

We propose self-adaptive training---a new training algorithm that dynamically corrects problematic training labels by model predictions without incurring extra computational cost---to improve generalization of deep learning for potentially…

Machine Learning · Computer Science 2020-10-01 Lang Huang , Chao Zhang , Hongyang Zhang

Test-Time Adaptation (TTA) allows to update pre-trained models to changing data distributions at deployment time. While early work tested these algorithms for individual fixed distribution shifts, recent work proposed and applied methods…

Machine Learning · Computer Science 2024-04-04 Ori Press , Steffen Schneider , Matthias Kümmerer , Matthias Bethge

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) involves adapting a pre-trained source model to continually changing unsupervised target domains. In this paper, we systematically analyze the challenges of this task: online environment, unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Zhilin Zhu , Xiaopeng Hong , Zhiheng Ma , Weijun Zhuang , Yaohui Ma , Yong Dai , Yaowei Wang

Time series encountered in practice are rarely stationary. When the data distribution changes, a forecasting model trained on past observations can lose accuracy. We study a small-footprint test-time adaptation (TTA) framework for causal…

Statistical Finance · Quantitative Finance 2026-02-03 Yurui Wu , Qingying Deng , Wonou Chung , Mairui Li

Test-time adaptation (TTA) aims to adapt a model, initially trained on training data, to test data with potential distribution shifts. Most existing TTA methods focus on classification problems. The pronounced success of classification…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Chang'an Yi , Haotian Chen , Yifan Zhang , Yonghui Xu , Yan Zhou , Lizhen Cui