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Semi-supervised domain adaptation (SSDA) has been widely studied due to its ability to utilize a few labeled target data to improve the generalization ability of the model. However, existing methods only consider designing certain…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Xinyang Huang , Chuang Zhu , Bowen Zhang , Shanghang Zhang

Medical Foundation Models (MFMs), trained on large-scale datasets, have demonstrated superior performance across various tasks. However, these models still struggle with domain gaps in practical applications. Specifically, even after…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Jia-Xuan Jiang , Wenhui Lei , Yifeng Wu , Hongtao Wu , Furong Li , Yining Xie , Xiaofan Zhang , Zhong Wang

The annotation scarcity of medical image segmentation poses challenges in collecting sufficient training data for deep learning models. Specifically, models trained on limited data may not generalize well to other unseen data domains,…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Heng Li , Haojin Li , Wei Zhao , Huazhu Fu , Xiuyun Su , Yan Hu , Jiang Liu

Diffusion Probabilistic Field (DPF) models the distribution of continuous functions defined over metric spaces. While DPF shows great potential for unifying data generation of various modalities including images, videos, and 3D geometry, it…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Kangfu Mei , Mo Zhou , Vishal M. Patel

The idea of frequency diverse array (FDA) has been invigorated in the recent years by supposing to have the ability of stopping the electromagnetic wave propagation and producing secretive direct connections between distant points. However,…

Signal Processing · Electrical Eng. & Systems 2022-01-12 Mahdi Fartookzadeh

Unsupervised domain adaptation (UDA) techniques are vital for semantic segmentation in geosciences, effectively utilizing remote sensing imagery across diverse domains. However, most existing UDA methods, which focus on domain alignment at…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Xianping Ma , Xiaokang Zhang , Xingchen Ding , Man-On Pun , Siwei Ma

In this paper, we propose a novel integrated sensing and communication (ISAC) transmission framework based on the spatially-spread orthogonal time frequency space (SS-OTFS) modulation by considering the fact that communication channel…

Information Theory · Computer Science 2021-09-02 Shuangyang Li , Weijie Yuan , Chang Liu , Zhiqiang Wei , Jinhong Yuan , Baoming Bai , Derrick Wing Kwan Ng

In the 6G era, space-air-Ground integrated networks (SAGIN) are anticipated to deliver global coverage, necessitating support for a diverse array of emerging applications in high-mobility, hostile environments. Under such conditions,…

Information Theory · Computer Science 2023-07-20 Weijie Yuan , Shuangyang Li , Zhiqiang Wei , Yuanhao Cui , Jiamo Jiang , Haijun Zhang , Pingzhi Fan

Space-Time Projection (STP) is introduced as a data-driven forecasting approach for high-dimensional and time-resolved data. The method computes extended space-time proper orthogonal modes from training data spanning a prediction horizon…

Machine Learning · Computer Science 2025-04-01 Oliver T. Schmidt

We propose a feed-forward method for dense Signed Distance Field (SDF) regression from unstructured image collections in less than three seconds, without camera calibration or post-hoc fusion. Our key insight is that the intermediate…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Laura Fink , Linus Franke , George Kopanas , Marc Stamminger , Peter Hedman

Mobile devices and the Internet of Things (IoT) devices nowadays generate a large amount of heterogeneous spatial-temporal data. It remains a challenging problem to model the spatial-temporal dynamics under privacy concern. Federated…

Machine Learning · Computer Science 2024-11-05 Kaiyuan Li , Yihan Zhang , Huandong Wang , Yan Zhuo , Xinlei Chen

Federated Domain Adaptation (FDA) describes the federated learning (FL) setting where source clients and a server work collaboratively to improve the performance of a target client where limited data is available. The domain shift between…

Machine Learning · Computer Science 2024-03-26 Enyi Jiang , Yibo Jacky Zhang , Sanmi Koyejo

We present and implement the concept of the Fourier-domain dedispersion (FDD) algorithm, a brute-force incoherent dedispersion algorithm. This algorithm corrects the frequency-dependent dispersion delays in the arrival time of radio…

Instrumentation and Methods for Astrophysics · Physics 2022-01-05 C. G. Bassa , J. W. Romein , B. Veenboer , S. van der Vlugt , S. J. Wijnholds

This paper proposes and demonstrates a PHY-layer design of a real-time prototype that supports Ultra-Reliable Communication (URC) in wireless infrastructure networks. The design makes use of Orthogonal Frequency Division Multiple Access…

Networking and Internet Architecture · Computer Science 2021-09-03 Jiaxin Liang , Soung Chang Liew

Domain adaptation (DA) has been widely applied in the diabetic retinopathy (DR) grading of unannotated ultra-wide-field (UWF) fundus images, which can transfer annotated knowledge from labeled color fundus images. However, suffering from…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Jinye Ran , Guanghua Zhang , Ximei Zhang , Juan Xie , Fan Xia , Hao Zhang

Spatial division multiple access (SDMA) is essential to improve the spectrum efficiency for multi-user multiple-input multiple-output (MIMO) communications. The classical SDMA for massive MIMO with hybrid precoding heavily relies on the…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Zidong Wu , Linglong Dai

The difficulty of monitoring biodiversity at fine scales and over large areas limits ecological knowledge and conservation efforts. To fill this gap, Species Distribution Models (SDMs) predict species across space from spatially explicit…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Lukas Picek , Christophe Botella , Maximilien Servajean , César Leblanc , Rémi Palard , Théo Larcher , Benjamin Deneu , Diego Marcos , Pierre Bonnet , Alexis Joly

To address the dual challenges of inherent stochasticity and non-differentiable metrics in physical spatiotemporal forecasting, we propose Spatiotemporal Forecasting as Planning (SFP), a new paradigm grounded in Model-Based Reinforcement…

Machine Learning · Computer Science 2025-10-13 Hao Wu , Yuan Gao , Xingjian Shi , Shuaipeng Li , Fan Xu , Fan Zhang , Zhihong Zhu , Weiyan Wang , Xiao Luo , Kun Wang , Xian Wu , Xiaomeng Huang

This paper proposes a multi-user Spatial Division Multiplexing (SDM) near-field access scheme, inspired by the orthogonal characteristics of multi-mode vortex waves. A Reconfigurable Meta-surface (RM) is ingeniously employed as the gateway…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Yufei Zhao , Qihao Lv , Yuanbin Chen , Afkar Mohamed Ismail , Yong Liang Guan , Chau Yuen

Current Transformer methods for Multivariate Time-Series Forecasting (MTSF) are all based on the conventional attention mechanism. They involve sequence embedding and performing a linear projection of Q, K, and V, and then computing…

Machine Learning · Computer Science 2024-07-22 Haixiang Wu
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