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Learning site-specific beams that adapt to the deployment environment, interference sources, and hardware imperfections can lead to noticeable performance gains in coverage, data rate, and power saving, among other interesting advantages.…

信号处理 · 电气工程与系统科学 2025-12-02 Hao Luo , Ahmed Alkhateeb

Achieving efficient and consistent localization a prior map remains challenging in robotics. Conventional keyframe-based approaches often suffers from sub-optimal viewpoints due to limited field of view (FOV) and/or constrained motion, thus…

机器人学 · 计算机科学 2024-03-11 Saimouli Katragadda , Woosik Lee , Yuxiang Peng , Patrick Geneva , Chuchu Chen , Chao Guo , Mingyang Li , Guoquan Huang

Millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) has been regarded to be an emerging solution for the next generation of communications, in which hybrid analog and digital precoding is an important method for reducing…

信号处理 · 电气工程与系统科学 2019-01-23 Hongji Huang , Yiwei Song , Jie Yang , Guan Gui , Fumiyuki Adachi

Temporal information is crucial for visual tracking, but existing multi-frame trackers are vulnerable to model drift caused by naively aggregating noisy historical predictions. In this paper, we introduce DTPTrack, a lightweight and…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Yuqing Huang , Liting Lin , Weijun Zhuang , Zhenyu He , Xin Li

Rectified Flow (RF) models have advanced high-quality image and video synthesis via optimal transport theory. However, when applied to image-to-image translation, they still depend on costly multi-step denoising, hindering real-time…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Shengqian Li , Ming Gao , Yi Liu , Zuzeng Lin , Feng Wang , Feng Dai

Recent years have seen impressive progress in visual recognition on many benchmarks, however, generalization to the real-world in out-of-distribution setting remains a significant challenge. A state-of-the-art method for robust visual…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Sebastian Cygert , Andrzej Czyzewski

Multi-view radar-camera fused 3D object detection provides a farther detection range and more helpful features for autonomous driving, especially under adverse weather. The current radar-camera fusion methods deliver kinds of designs to…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Zizhang Wu , Guilian Chen , Yuanzhu Gan , Lei Wang , Jian Pu

The millimeter wave (mmWave) band will be exploited to address the growing demand for high data rates and low latency. The higher frequencies, however, are prone to limitations on the propagation of the signal in the environment. Thus,…

网络与互联网体系结构 · 计算机科学 2024-12-03 Paolo Testolina , Mattia Lecci , Alessandro Traspadini , Michele Zorzi

Millimeter-wave (mmWave) communication is a vital component of future generations of mobile networks, offering not only high data rates but also precise beams, making it ideal for indoor navigation in complex environments. However, the…

机器人学 · 计算机科学 2024-11-05 Tao Li , Haozhe Lei , Hao Guo , Mingsheng Yin , Yaqi Hu , Quanyan Zhu , Sundeep Rangan

Utilizing radar sensing for assisting communication has attracted increasing interest thanks to its potential in dynamic environments. A particularly interesting problem for this approach appears in the vehicle-to-vehicle (V2V) millimeter…

信号处理 · 电气工程与系统科学 2023-10-31 Hao Luo , Umut Demirhan , Ahmed Alkhateeb

The advent of enhanced technologies in radio interferometry and the perspective of the SKA telescope bring new challenges in image reconstruction. One of these challenges is the spatio-spectral reconstruction of large (Terabytes) data cubes…

天体物理仪器与方法 · 物理学 2016-03-07 Jérémy Deguignet , André Ferrari , David Mary , Chiara Ferrari

The perception of autonomous vehicles has to be efficient, robust, and cost-effective. However, cameras are not robust against severe weather conditions, lidar sensors are expensive, and the performance of radar-based perception is still…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Felix Fent , Andras Palffy , Holger Caesar

In recent years, the complexity of 5G and beyond wireless networks has escalated, prompting a need for innovative frameworks to facilitate flexible management and efficient deployment. The concept of digital twins (DTs) has emerged as a…

网络与互联网体系结构 · 计算机科学 2024-04-24 Zifan Zhang , Mingzhe Chen , Zhaohui Yang , Yuchen Liu

Contact-free vital sign monitoring, which uses wireless signals for recognizing human vital signs (i.e, breath and heartbeat), is an attractive solution to health and security. However, the subject's body movement and the change in actual…

信号处理 · 电气工程与系统科学 2023-04-24 Yingqi Wang , Zhongqin Wang , J. Andrew Zhang , Haimin Zhang , Min Xu

The fusion of images from dual camera systems featuring a wide-angle and a telephoto camera has become a hotspot problem recently. By integrating simultaneously captured wide-angle and telephoto images from these systems, the resulting…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Chunli Peng , Xuan Dong , Tiantian Cao , Zhengqing Li , Kun Dong , Weixin Li

We study a crucial yet often overlooked issue inherent to Vision Transformers (ViTs): feature maps of these models exhibit grid-like artifacts, which hurt the performance of ViTs in downstream dense prediction tasks such as semantic…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiawei Yang , Katie Z Luo , Jiefeng Li , Congyue Deng , Leonidas Guibas , Dilip Krishnan , Kilian Q Weinberger , Yonglong Tian , Yue Wang

Millimeter-wave (mmWave) technology is pivotal for next-generation wireless networks, enabling high-data-rate and low-latency applications such as autonomous vehicles and XR streaming. However, maintaining directional mmWave links in…

信号处理 · 电气工程与系统科学 2024-07-15 Ish Kumar Jain , Suriyaa MM , Dinesh Bharadia

Wide-parameter-space searches for continuous gravitational waves using semi-coherent matched-filter methods require enormous computing power, which limits their achievable sensitivity. Here we explore an alternative search method based on…

广义相对论与量子宇宙学 · 物理学 2026-01-22 Prasanna. M. Joshi , Reinhard Prix

The emerging reconfigurable intelligent surface (RIS) technology is promising for applications in the millimeter wave (mmWave) communication systems to effectively compensate for propagation loss or tackle the blockage issue. Considering…

信号处理 · 电气工程与系统科学 2023-02-08 Yu Liu , Ming Chen , Cunhua Pan , Yijin Pan , Yinlu Wang , Yaoming Huang , Tianyang Cao , Jiangzhou Wang

Creating a physical digital twin of a real-world object has immense potential in robotics, content creation, and XR. In this paper, we present PhysTwin, a novel framework that uses sparse videos of dynamic objects under interaction to…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Hanxiao Jiang , Hao-Yu Hsu , Kaifeng Zhang , Hsin-Ni Yu , Shenlong Wang , Yunzhu Li