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In domains such as healthcare, finance, and e-commerce, the temporal dynamics of relational data emerge from complex interactions-such as those between patients and providers, or users and products across diverse categories. To be broadly…

机器学习 · 计算机科学 2025-11-07 Divyansha Lachi , Mahmoud Mohammadi , Joe Meyer , Vinam Arora , Tom Palczewski , Eva L. Dyer

Orthogonal Time Frequency Space (OTFS) modulation has recently attracted significant interest due to its potential for enabling reliable communication in high-mobility environments. However, the effectiveness of OTFS receivers relies on the…

信号处理 · 电气工程与系统科学 2026-02-11 Xiaoqi Zhang , Zhitong Ni , Weijie Yuan , J. Andrew Zhang , Tony Q. S. Quek

Predicting pathloss by considering the physical environment is crucial for effective wireless network planning. Traditional methods, such as ray tracing and model-based approaches, often face challenges due to high computational complexity…

信号处理 · 电气工程与系统科学 2026-01-14 Yuan Gao , Tao Wen , Wenjing Xie , Jianbo Du , Yong Zeng , Dusit Niyato , Shugong Xu

Infrared Image Super-Resolution (IRSR) is challenged by the low contrast and sparse textures of infrared data, requiring robust long-range modeling to maintain global coherence. While State-Space Models like Mamba offer proficiency in…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Yongsong Huang , Tomo Miyazaki , Xiaofeng Liu , Shinichiro Omachi

Remote photoplethysmography (rPPG) enables contactless physiological monitoring by capturing subtle skin-color variations from facial videos. However, most existing methods predominantly rely on time-domain modeling, making them vulnerable…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Wei Qian , Dan Guo , Jinxing Zhou , Bochao Zou , Zitong Yu , Meng Wang

Radio maps provide radio frequency metrics, such as the received signal strength, at every location of a geographic area. These maps, which are estimated using a set of measurements collected at multiple positions, find a wide range of…

信息论 · 计算机科学 2024-03-26 Daniel Romero , Tien Ngoc Ha , Raju Shrestha , Massimo Franceschetti

Accurately mapping the radio environment (e.g., identifying wireless signal strength at specific frequency bands and geographic locations) is crucial for efficient spectrum sharing, enabling secondary users (SUs) to access underutilized…

信号处理 · 电气工程与系统科学 2025-02-28 Mukaram Shahid , Kunal Das , Hadia Ushaq , Hongwei Zhang , Jimming Song , Daji Qiao , Sarath Babu , Yong Guan , Zhengyuan Zhu , Arsalan Ahmed

The employment of unmanned aerial vehicles (UAVs) in the lowaltitude economy necessitates precise and real-time radio maps for reliable communication and safe navigation. However, constructing such maps is hindered by the infeasibility of…

信号处理 · 电气工程与系统科学 2025-09-18 Hao Sun , Shicong Liu , Xianghao Yu , Ying Sun

In a great number of tasks in science and engineering, the goal is to infer an unknown image from a small number of measurements collected from a known forward model describing certain sensing or imaging modality. Due to resource…

图像与视频处理 · 电气工程与系统科学 2024-06-13 Xingyu Xu , Yuejie Chi

We present Model Predictive Planning (MPP), a trajectory planner for low-agility vehicles such as a fixed-wing aircraft to navigate obstacle-laden environments. MPP consists of (1) a multi-path planning procedure that identifies candidate…

系统与控制 · 电气工程与系统科学 2024-09-17 Matthew T. Wallace , Brett Streetman , Laurent Lessard

Mobile robot path planning methods are often constrained by vast search spaces, resulting in latency in samplingbased algorithms. Learning-based approaches frequently suffer from local region fragmentation and global topological…

机器人学 · 计算机科学 2026-05-28 Zhanzheng Ma , Cancan Zhao , Shuai Zhang , Bo Ouyang

Plug-and-play priors (PnP) is a methodology for regularized image reconstruction that specifies the prior through an image denoiser. While PnP algorithms are well understood for denoisers performing maximum a posteriori probability (MAP)…

信号处理 · 电气工程与系统科学 2020-08-26 Xiaojian Xu , Yu Sun , Jiaming Liu , Brendt Wohlberg , Ulugbek S. Kamilov

Fine-grained high-resolution remote sensing mapping typically relies on localized visual features, which restricts cross-domain generalizability and often leads to fragmented predictions of large-scale land covers. While global geospatial…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Jienan Lyu , Miao Yang , Jinchen Cai , Yiwen Hu , Guanyi Lu , Junhao Qiu , Runmin Dong

Radio map describes network coverage and is a practically important tool for network planning in modern wireless systems. Generally, radio strength measurements are collected to construct fine-resolution radio maps for analysis. However,…

信号处理 · 电气工程与系统科学 2022-09-13 Songyang Zhang , Tianhang Yu , Jonathan Tivald , Brian Choi , Feng Ouyang , Zhi Ding

In extreme environments such as underwater exploration and post-disaster rescue, tethered robots require continuous navigation while avoiding cable entanglement. Traditional planners struggle in these lifelong planning scenarios due to…

机器人学 · 计算机科学 2026-03-31 Yifu Tian , Xinhang Xu , Thien-Minh Nguyen , Muqing Cao

Depth completion aims to recover dense depth maps from sparse ones, where color images are often used to facilitate this task. Recent depth methods primarily focus on image guided learning frameworks. However, blurry guidance in the image…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Zhiqiang Yan , Xiang Li , Le Hui , Zhenyu Zhang , Jun Li , Jian Yang

Effectively modeling non-stationary dynamics in probabilistic multivariate time series(MTS) forecasting requires balancing expressiveness with robustness. Existing parametric approaches benefit from strong inductive biases but lack…

机器学习 · 计算机科学 2026-05-25 Jinglin Li , Jun Tan , QI Fang , Ning Gui

The recent development of deep learning combined with compressed sensing enables fast reconstruction of undersampled MR images and has achieved state-of-the-art performance for Cartesian k-space trajectories. However, non-Cartesian…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Chang Gao , Shu-Fu Shih , J. Paul Finn , Xiaodong Zhong

Reducing MRI scan times can improve patient care and lower healthcare costs. Many acceleration methods are designed to reconstruct diagnostic-quality images from sparse k-space data, via an ill-posed or ill-conditioned linear inverse…

图像与视频处理 · 电气工程与系统科学 2025-05-16 Arda Atalık , Sumit Chopra , Daniel K. Sodickson

Referring Expression Comprehension (REC), which aims to ground a local visual region via natural language, is a task that heavily relies on multimodal alignment. Most existing methods utilize powerful pre-trained models to transfer…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Ting Liu , Zunnan Xu , Yue Hu , Liangtao Shi , Zhiqiang Wang , Quanjun Yin