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3D urban reconstruction of buildings from remotely sensed imagery has drawn significant attention during the past two decades. While aerial imagery and LiDAR provide higher resolution, satellite imagery is cheaper and more efficient to…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Bo Xu , Xu Zhang , Zhixin Li , Matt Leotta , Shih-Fu Chang , Jie Shan

This paper introduces two novel algorithms designed to address the challenge of super-resolution sensing parameter estimation in bistatic configurations within communication-centric integrated sensing and communication (ISAC) systems. Our…

信号处理 · 电气工程与系统科学 2025-12-02 Salmane Naoumi , Ahmad Bazzi , Roberto Bomfin , Marwa Chafii

Multi-static cooperative sensing emerges as a promising technology for advancing integrated sensing and communication (ISAC), enhancing sensing accuracy and range. In this paper, we develop a unified design framework for joint active and…

信号处理 · 电气工程与系统科学 2025-10-09 Yan Yang , Zhendong Li , Jianwei Zhao , Qingqing Wu , Zhiqing Wei , Wen Chen , Weimin Jia

Scalability is a major concern in implementing deep learning (DL) based methods in wireless communication systems. Given various channel reconstruction tasks, applying one DL model for one specific task is costly in both model training and…

信号处理 · 电气工程与系统科学 2023-12-20 Weixiao Wan , Wei Chen , Shiyue Wang , Geoffrey Ye Li , Bo Ai

Three-dimensional (3-D) synthetic aperture radar (SAR) is widely used in many security and industrial applications requiring high-resolution imaging of concealed or occluded objects. The ability to resolve intricate 3-D targets is essential…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Josiah Smith , Murat Torlak

When operating massive multiple-input multiple-output (MIMO) systems with uplink (UL) and downlink (DL) channels at different frequencies (frequency division duplex (FDD) operation), acquisition of channel state information (CSI) for…

信息论 · 计算机科学 2022-09-23 Florian Euchner , Niklas Süppel , Marc Gauger , Sebastian Dörner , Stephan ten Brink

Noises, artifacts, and loss of information caused by the magnetic resonance (MR) reconstruction may compromise the final performance of the downstream applications. In this paper, we develop a re-weighted multi-task deep learning method to…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Kehan Qi , Yu Gong , Xinfeng Liu , Xin Liu , Hairong Zheng , Shanshan Wang

In this paper, we propose a joint single-base localization and communication enhancement scheme for the uplink (UL) integrated sensing and communications (ISAC) system with asynchronism, which can achieve accurate single-base localization…

信息论 · 计算机科学 2023-10-31 Xu Chen , XinXin He , Zhiyong Feng , Zhiqing Wei , Qixun Zhang , Xin Yuan , Ping Zhang

This paper explores the potential of the intelligent reflecting surface (IRS) in realizing multi-user concurrent communication and localization, using the same time-frequency resources. Specifically, we propose an IRS-enabled multi-user…

信息论 · 计算机科学 2022-11-23 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Due to the discarding of downlink channel state information (CSI) amplitude and the employing of iteration reconstruction algorithms, 1-bit compressed sensing (CS)-based superimposed CSI feedback is challenged by low recovery accuracy and…

信号处理 · 电气工程与系统科学 2022-01-21 Chaojin Qing , Qing Ye , Wenhui Liu , Jiafan Wang

Integrating device-to-device (D2D) communication into cellular networks can significantly reduce the transmission burden on base stations (BSs). Besides, integrated sensing and communication (ISAC) is envisioned as a key feature in future…

信号处理 · 电气工程与系统科学 2024-08-23 Tao Jiang , Ming Jin , Qinghua Guo , Yinhong Liu , Yaming Li

Lidars and cameras are critical sensors that provide complementary information for 3D detection in autonomous driving. While prevalent multi-modal methods simply decorate raw lidar point clouds with camera features and feed them directly to…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Yingwei Li , Adams Wei Yu , Tianjian Meng , Ben Caine , Jiquan Ngiam , Daiyi Peng , Junyang Shen , Bo Wu , Yifeng Lu , Denny Zhou , Quoc V. Le , Alan Yuille , Mingxing Tan

Integrated sensing and communication (ISAC) is a key enabler for low-altitude wireless networks (LAWNs), providing simultaneous environmental perception and data transmission in complex aerial scenarios. By combining heterogeneous sensing…

信号处理 · 电气工程与系统科学 2025-12-02 Kai Zhang , Wentao Yu , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

We present an efficient, elastic 3D LiDAR reconstruction framework which can reconstruct up to maximum LiDAR ranges (60 m) at multiple frames per second, thus enabling robot exploration in large-scale environments. Our approach only…

Integrated sensing and communication (ISAC) unifies radar sensing and communication, and improves the efficiency of the spectrum, energy and hardware. In this paper, we investigate the ISAC beamforming design in a downlink system with a…

信号处理 · 电气工程与系统科学 2022-11-09 Jin Li , Nan Liu

Terahertz (THz) integrated sensing and communication (ISAC) offers high-speed communication alongside precise environmental sensing. This paper presents a computationally efficient framework for THz-based environment reconstruction by…

信号处理 · 电气工程与系统科学 2025-08-15 Zitong Fang , Yejian Lyu , Ziming Yu , Chong Han

To address the complex beam control in traditional multiple-input multiple-output (MIMO) systems, researchers have proposed adaptive beam alignment using retro-directive antenna (RDA) arrays. This approach creates echo resonance between the…

信号处理 · 电气工程与系统科学 2025-06-06 Yixuan Guo , Shuaifan Xia , Mingliang Xiong , Qingwen Liu , Wen Fang , Qingwei Jiang , Gang Yan , Jiangchuan Mu

The Large Intelligent Surface (LIS) concept is a promising technology aiming to revolutionize wireless communication by exploiting spatial multiplexing at its fullest. Despite of its potential, due to the size of the LIS and the large…

信号处理 · 电气工程与系统科学 2019-11-26 Jesus Rodriguez Sanchez , Fredrik Rusek , Ove Edfors , Liang Liu

Global place recognition and 3D relocalization are one of the most important components in the loop closing detection for 3D LiDAR Simultaneous Localization and Mapping (SLAM). In order to find the accurate global 6-DoF transform by feature…

机器人学 · 计算机科学 2023-09-18 Kyeongsu Kang , Minjae Lee , Hyeonwoo Yu

Integrated sensing and communication (ISAC) has emerged as a key enabler for next-generation wireless networks, supporting advanced applications such as high-precision localization and environment reconstruction. Cooperative ISAC (CoISAC)…

信号处理 · 电气工程与系统科学 2025-04-15 Lixiang Lian , Chuanqi Bai , Yihan Xu , Huanyu Dong , Rui Cheng , Shunqing Zhang