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It is common to observe performance degradation when transferring models trained on some (source) datasets to target testing data due to a domain gap between them. Existing methods for bridging this gap, such as domain adaptation (DA), may…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Hyoungseob Park , Anjali Gupta , Alex Wong

Purpose: Medical images acquired using different scanners and protocols can differ substantially in their appearance. This phenomenon, scanner domain shift, can result in a drop in the performance of deep neural networks which are trained…

图像与视频处理 · 电气工程与系统科学 2024-10-03 Brian Guo , Darui Lu , Gregory Szumel , Rongze Gui , Tingyu Wang , Nicholas Konz , Maciej A. Mazurowski

Domain adaptation (DA) is a technique that transfers predictive models trained on a labeled source domain to an unlabeled target domain, with the core difficulty of resolving distributional shift between domains. Currently, most popular DA…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Bo Li , Yezhen Wang , Tong Che , Shanghang Zhang , Sicheng Zhao , Pengfei Xu , Wei Zhou , Yoshua Bengio , Kurt Keutzer

Benefit from large-scale training data, recent advances in Siamese-based object tracking have achieved compelling results on the normal sequences. Whilst Siamese-based trackers assume training and test data follow an identical distribution.…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Zhongzhou Zhang , Lei Zhang

Most visual recognition methods implicitly assume the data distribution remains unchanged from training to testing. However, in practice domain shift often exists, where real-world factors such as lighting and sensor type change between…

机器学习 · 计算机科学 2015-07-30 Yongxin Yang , Timothy Hospedales

Deep learning-based person Re-IDentification (ReID) often requires a large amount of training data to achieve good performance. Thus it appears that collecting more training data from diverse environments tends to improve the ReID…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Lu Yang , Lingqiao Liu , Yunlong Wang , Peng Wang , Yanning Zhang

Remote photoplethysmography (rPPG) is gaining prominence for its non-invasive approach to monitoring physiological signals using only cameras. Despite its promise, the adaptability of rPPG models to new, unseen domains is hindered due to…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Haodong Li , Hao Lu , Ying-Cong Chen

In this paper, we propose a novel framework to analyze the theoretical properties of the learning process for a representative type of domain adaptation, which combines data from multiple sources and one target (or briefly called…

机器学习 · 计算机科学 2014-01-03 Chao Zhang , Lei Zhang , Wei Fan , Jieping Ye

Multi-Source Domain Generalization (DG) is the task of training on multiple source domains and achieving high classification performance on unseen target domains. Recent methods combine robust features from web-scale pretrained backbones…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Piotr Teterwak , Kuniaki Saito , Theodoros Tsiligkaridis , Bryan A. Plummer , Kate Saenko

Remote photoplethysmography (rPPG) allows for noncontact monitoring of blood volume changes from a camera by detecting minor fluctuations in reflected light. Prior applications of rPPG focused on face videos. In this paper we explored the…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Lu Niu , Jeremy Speth , Nathan Vance , Benjamin Sporrer , Adam Czajka , Patrick Flynn

Machine learning models for camera-based physiological measurement can have weak generalization due to a lack of representative training data. Body motion is one of the most significant sources of noise when attempting to recover the subtle…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Akshay Paruchuri , Xin Liu , Yulu Pan , Shwetak Patel , Daniel McDuff , Soumyadip Sengupta

Traditional place categorization approaches in robot vision assume that training and test images have similar visual appearance. Therefore, any seasonal, illumination and environmental changes typically lead to severe degradation in…

机器人学 · 计算机科学 2018-05-31 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Due to domain shift, deep neural networks (DNNs) usually fail to generalize well on unknown test data in practice. Domain generalization (DG) aims to overcome this issue by capturing domain-invariant representations from source domains.…

机器学习 · 计算机科学 2022-11-10 Feng Hou , Yao Zhang , Yang Liu , Jin Yuan , Cheng Zhong , Yang Zhang , Zhongchao Shi , Jianping Fan , Zhiqiang He

In computer vision and machine learning for geographic data, out-of-domain generalization is a pervasive challenge, arising from uneven global data coverage and distribution shifts across geographic regions. Though models are frequently…

机器学习 · 计算机科学 2026-04-20 Haoran Zhang , Livia Betti , Konstantin Klemmer , Esther Rolf , David Alvarez-Melis

Deep Neural Networks (DNNs) suffer from domain shift when the test dataset follows a distribution different from the training dataset. Domain generalization aims to tackle this issue by learning a model that can generalize to unseen…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Yu Ding , Lei Wang , Bin Liang , Shuming Liang , Yang Wang , Fang Chen

The application of deep machine learning methods in astronomy has exploded in the last decade, with new models showing remarkably improved performance on benchmark tasks. Not nearly enough attention is given to understanding the models'…

天体物理仪器与方法 · 物理学 2025-10-14 Michelle Ntampaka , A. Ciprijanovic , Ana Maria Delgado , John Soltis , John F. Wu , Mikaeel Yunus , John ZuHone

Domain shift, where deviations between training and deployment data distributions degrade model performance, is a key challenge in underwater environments. Existing benchmarks testing performance for underwater domain shift simulate…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Melanie Wille , Dimity Miller , Tobias Fischer , Scarlett Raine

Remote Photoplethysmography (rPPG) uses the cyclic variation of skin tone on a person's forehead region to estimate that person's heart rate. This paper compares two methods: a bounding box-based method and a landmark-detection-based method…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Laurence Liang

Bridging the 'reality gap' that separates simulated robotics from experiments on hardware could accelerate robotic research through improved data availability. This paper explores domain randomization, a simple technique for training models…

机器人学 · 计算机科学 2017-03-22 Josh Tobin , Rachel Fong , Alex Ray , Jonas Schneider , Wojciech Zaremba , Pieter Abbeel

This thesis contributes to the mathematical foundation of domain adaptation as emerging field in machine learning. In contrast to classical statistical learning, the framework of domain adaptation takes into account deviations between…

机器学习 · 统计学 2020-04-23 Werner Zellinger