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The success of most existing cross-modal retrieval methods heavily relies on the assumption that the given queries follow the same distribution of the source domain. However, such an assumption is easily violated in real-world scenarios due…

机器学习 · 计算机科学 2024-10-22 Haobin Li , Peng Hu , Qianjun Zhang , Xi Peng , Xiting Liu , Mouxing Yang

Human activity recognition plays an important role in people's daily life. However, it is often expensive and time-consuming to acquire sufficient labeled activity data. To solve this problem, transfer learning leverages the labeled samples…

图像与视频处理 · 电气工程与系统科学 2018-08-21 Jindong Wang , Vincent W. Zheng , Yiqiang Chen , Meiyu Huang

Human Activity Recognition (HAR) on mobile devices has been demonstrated to be possible using neural models trained on data collected from the device's inertial measurement units. These models have used Convolutional Neural Networks (CNNs),…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Sannara EK , François Portet , Philippe Lalanda

Skeleton-based human action recognition has attracted a lot of research attention during the past few years. Recent works attempted to utilize recurrent neural networks to model the temporal dependencies between the 3D positional…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Jun Liu , Amir Shahroudy , Dong Xu , Alex C. Kot , Gang Wang

In real-world applications, machine learning models often become obsolete due to shifts in the joint distribution arising from underlying temporal trends, a phenomenon known as the "concept drift". Existing works propose model-specific…

机器学习 · 计算机科学 2023-10-04 Chia-Yuan Chang , Yu-Neng Chuang , Zhimeng Jiang , Kwei-Herng Lai , Anxiao Jiang , Na Zou

The availability of low-cost range sensors and the development of relatively robust algorithms for the extraction of skeleton joint locations have inspired many researchers to develop human activity recognition methods using the 3-D data.…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Saeed Ghodsi , Hoda Mohammadzade , Erfan Korki

In order to reduce domain discrepancy to improve the performance of cross-domain spoken language identification (SLID) system, as an unsupervised domain adaptation (UDA) method, we have proposed a joint distribution alignment (JDA) model…

音频与语音处理 · 电气工程与系统科学 2022-04-01 Xugang Lu , Peng Shen , Yu Tsao , Hisashi Kawai

Human-Object Interaction (HOI) detection is a task of identifying "a set of interactions" in an image, which involves the i) localization of the subject (i.e., humans) and target (i.e., objects) of interaction, and ii) the classification of…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Bumsoo Kim , Junhyun Lee , Jaewoo Kang , Eun-Sol Kim , Hyunwoo J. Kim

Minimizing the discrepancy of feature distributions between different domains is one of the most promising directions in unsupervised domain adaptation. From the perspective of distribution matching, most existing discrepancy-based methods…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Chao Chen , Zhihang Fu , Zhihong Chen , Sheng Jin , Zhaowei Cheng , Xinyu Jin , Xian-Sheng Hua

While large volumes of unlabeled data are usually available, associated labels are often scarce. The unsupervised domain adaptation problem aims at exploiting labels from a source domain to classify data from a related, yet different,…

When autonomous vehicles still struggle to solve challenging situations during on-road driving, humans have long mastered the essence of driving with efficient transferable and adaptable driving capability. By mimicking humans' cognition…

机器人学 · 计算机科学 2021-12-14 Letian Wang , Yeping Hu , Liting Sun , Wei Zhan , Masayoshi Tomizuka , Changliu Liu

Mutual adaptation can significantly enhance overall task performance in human-robot co-transportation by integrating both the robot's and human's understanding of the environment. While human modeling helps capture humans' subjective…

机器人学 · 计算机科学 2025-03-13 Al Jaber Mahmud , Weizi Li , Xuan Wang

Spatio-temporal alignment is crucial for temporal modeling of end-to-end (E2E) perception in autonomous driving (AD), providing valuable structural and textural prior information. Existing methods typically rely on the attention mechanism…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Xiaoyu Li , Peidong Li , Xian Wu , Long Shi , Dedong Liu , Yitao Wu , Jiajia Fu , Dixiao Cui , Lijun Zhao , Lining Sun

Test-Time Adaptation (TTA) enables pre-trained models to adjust to distribution shift by learning from unlabeled test-time streams. However, existing methods typically treat these streams as independent samples, overlooking the supervisory…

机器学习 · 计算机科学 2026-01-30 Young Kyung Kim , Oded Schlesinger , Qiangqiang Wu , J. Matías Di Martino , Guillermo Sapiro

With advances in optical sensor technology, heterogeneous camera systems are increasingly used for high-resolution (HR) video acquisition and analysis. However, motion transfer across multiple cameras poses challenges. To address this, we…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Yaping Zhao , Guanghan Li , Edmund Y. Lam

Trajectory representation learning (TRL) maps trajectories to vectors that can then be used for various downstream tasks, including trajectory similarity computation, trajectory classification, and travel-time estimation. However, existing…

机器学习 · 计算机科学 2024-12-02 Silin Zhou , Shuo Shang , Lisi Chen , Christian S. Jensen , Panos Kalnis

Transfer learning across heterogeneous data distributions (a.k.a. domains) and distinct tasks is a more general and challenging problem than conventional transfer learning, where either domains or tasks are assumed to be the same. While…

机器学习 · 计算机科学 2021-03-26 Yang Tan , Yang Li , Shao-Lun Huang

RGBT tracking has been widely used in various fields such as robotics, surveillance processing, and autonomous driving. Existing RGBT trackers fully explore the spatial information between the template and the search region and locate the…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Hongyu Wang , Xiaotao Liu , Yifan Li , Meng Sun , Dian Yuan , Jing Liu

Transferring knowledge across many streaming processes remains an uncharted territory in the existing literature and features unique characteristics: no labelled instance of the target domain, covariate shift of source and target domain,…

机器学习 · 计算机科学 2019-10-22 Mahardhika Pratama , Marcus de Carvalho , Renchunzi Xie , Edwin Lughofer , Jie Lu

Robot learning is witnessing a significant increase in the size, diversity, and complexity of pre-collected datasets, mirroring trends in domains such as natural language processing and computer vision. Many robot learning methods treat…

机器人学 · 计算机科学 2025-08-19 Marius Memmel , Jacob Berg , Bingqing Chen , Abhishek Gupta , Jonathan Francis