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Deep neural networks (DNNs) excel on clean images but struggle with corrupted ones. Incorporating specific corruptions into the data augmentation pipeline can improve robustness to those corruptions but may harm performance on clean images…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Trung Trinh , Markus Heinonen , Luigi Acerbi , Samuel Kaski

Vision-language models (VLMs) exhibit remarkable zero-shot generalization but suffer performance degradation under distribution shifts in downstream tasks, particularly in the absence of labeled data. Test-Time Adaptation (TTA) addresses…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Khanh-Binh Nguyen , Phuoc-Nguyen Bui , Hyunseung Choo , Duc Thanh Nguyen

Test-time augmentation (TTA)--aggregating predictions over multiple augmented copies of a test input--is widely assumed to improve classification accuracy, particularly in medical imaging where it is routinely deployed in production systems…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Daniel Nobrega Medeiros

Machine learning models struggle with generalization when encountering out-of-distribution (OOD) samples with unexpected distribution shifts. For vision tasks, recent studies have shown that test-time adaptation employing diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Yun-Yun Tsai , Fu-Chen Chen , Albert Y. C. Chen , Junfeng Yang , Che-Chun Su , Min Sun , Cheng-Hao Kuo

Vision-language object detectors (VLODs) such as YOLO-World and Grounding DINO exhibit strong zero-shot generalization, but their performance degrades under distribution shift. Test-time adaptation (TTA) offers a practical way to adapt…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Atif Belal , Heitor R. Medeiros , Marco Pedersoli , Eric Granger

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

Test Time Adaptation (TTA) addresses the problem of distribution shift by adapting a pretrained model to a new domain during inference. When faced with challenging shifts, most methods collapse and perform worse than the original pretrained…

机器学习 · 计算机科学 2025-02-25 Sabyasachi Sahoo , Mostafa ElAraby , Jonas Ngnawe , Yann Pequignot , Frederic Precioso , Christian Gagne

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…

机器学习 · 计算机科学 2024-04-04 Ori Press , Steffen Schneider , Matthias Kümmerer , Matthias Bethge

Pre-trained vision-language models such as contrastive language-image pre-training (CLIP) have demonstrated a remarkable generalizability, which has enabled a wide range of applications represented by zero-shot classification. However,…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Kazuki Adachi , Shin'ya Yamaguchi , Tomoki Hamagami

A conformal classifier produces a set of predicted classes and provides a probabilistic guarantee that the set includes the true class. Unfortunately, it is often the case that conformal classifiers produce uninformatively large sets. In…

机器学习 · 计算机科学 2025-05-30 Divya Shanmugam , Helen Lu , Swami Sankaranarayanan , John Guttag

Test-time adaptation (TTA) refers to adjusting the model during the testing phase to cope with changes in sample distribution and enhance the model's adaptability to new environments. In real-world scenarios, models often encounter samples…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Ziqiong Liu , Yushun Tang , Junyang Ji , Zhihai He

Recurrent Neural Networks (RNNs) have emerged as an interesting alternative to conventional material modeling approaches, particularly for nonlinear path dependent materials. Remarkable computational enhancements are obtained using RNNs…

计算工程、金融与科学 · 计算机科学 2024-09-05 Petter Uvdal , Mohsen Mirkhalaf

Data augmentation has been actively studied for robust neural networks. Most of the recent data augmentation methods focus on augmenting datasets during the training phase. At the testing phase, simple transformations are still widely used…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Ildoo Kim , Younghoon Kim , Sungwoong Kim

Multivariate time-series anomaly detection (MTSAD) aims to identify deviations from normality in multivariate time-series and is critical in real-world applications. However, in real-world deployments, distribution shifts are ubiquitous and…

机器学习 · 计算机科学 2026-04-03 HyunGi Kim , Jisoo Mok , Hyungyu Lee , Juhyeon Shin , Sungroh Yoon

Deep neural networks are known to be vulnerable to unseen data: they may wrongly assign high confidence stcores to out-distribuion samples. Recent works try to solve the problem using representation learning methods and specific metrics. In…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Haowei He , Jiaye Teng , Yang Yuan

Conventional test-time adaptation (TTA) approaches typically adapt the model using only a small fraction of test samples, often those with low-entropy predictions, thereby failing to fully leverage the available information in the test…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Nam Nguyen Phuong , Duc Nguyen The Minh , Phi Le Nguyen , Ehsan Abbasnejad , Minh Hoai

This work proposes a robust Partial Domain Adaptation (PDA) framework that mitigates the negative transfer problem by incorporating a robust target-supervision strategy. It leverages ensemble learning and includes diverse, complementary…

计算机视觉与模式识别 · 计算机科学 2023-09-11 Sandipan Choudhuri , Suli Adeniye , Arunabha Sen

Vision-language models (VLMs), despite their extraordinary zero-shot capabilities, are vulnerable to distribution shifts. Test-time adaptation (TTA) emerges as a predominant strategy to adapt VLMs to unlabeled test data on the fly. However,…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Zhichen Zeng , Wenxuan Bao , Xiao Lin , Ruizhong Qiu , Tianxin Wei , Xuying Ning , Yuchen Yan , Chen Luo , Monica Xiao Cheng , Jingrui He , Hanghang Tong

We propose an AdaPtive Noise Augmentation (PANDA) technique to regularize the estimation and construction of undirected graphical models. PANDA iteratively optimizes the objective function given the noise augmented data until convergence to…

机器学习 · 统计学 2019-05-23 Yinan Li , Xiao Liu , Fang Liu

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…