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Displaced automotive sensor imaging exploits joint processing of the data acquired from multiple radar units, each of which may have limited individual resources, to enhance the localization accuracy. Prior works either consider perfect…

Signal Processing · Electrical Eng. & Systems 2020-10-09 Guohua Wang , Kumar Vijay Mishra

This paper presents a novel microwave photonic (MWP) radar scheme that is capable of optically generating and processing broadband linear frequency-modulated (LFM) microwave signals without using any radio-frequency (RF) sources. In the…

Signal Processing · Electrical Eng. & Systems 2021-06-14 Pei Zhou , Rengheng Zhang , Nianqiang Li , Zhidong Jiang , Shilong Pan

Passive space-borne radiometers operating in the 1400-1427 MHz protected frequency band face radio frequency interference (RFI) from terrestrial sources. With the growth of wireless devices and the appearance of new technologies, the…

Machine Learning · Computer Science 2023-04-27 Ali Owfi , Fatemeh Afghah

Neural Radiance Field (NeRF) based rendering has attracted growing attention thanks to its state-of-the-art (SOTA) rendering quality and wide applications in Augmented and Virtual Reality (AR/VR). However, immersive real-time (> 30 FPS)…

Hardware Architecture · Computer Science 2025-03-31 Chaojian Li , Sixu Li , Yang Zhao , Wenbo Zhu , Yingyan Celine Lin

Millimeter-wave (mmWave,>30 GHz) radars are the key enabler in the coming 6G era for high-resolution sensing and detection of targets. Photonic radar provides an effective approach to overcome the limitations of electronic radars thanks to…

Robust and privacy-preserving indoor scene understanding remains a fundamental open problem. While optical sensors such as RGB and LiDAR offer high spatial fidelity, they suffer from severe occlusions and introduce privacy risks in indoor…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Kaichen Zhou , Laura Dodds , Sayed Saad Afzal , Fadel Adib

Millimeter-wave (mmWave) radars are being increasingly integrated in commercial vehicles to support new Adaptive Driver Assisted Systems (ADAS) features that require accurate location and Doppler velocity estimates of objects, independent…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Xiangyu Gao , Sumit Roy , Guanbin Xing , Sian Jin

This paper focuses on the joint synthesis of constant envelope transmit signal and receive filter aimed at optimizing radar performance in signal-dependent interference and spectrally contested-congested environments. To ensure the desired…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Jing Yang , Augusto Aubry , Antonio De Maio , Xianxiang Yu , Guolong Cui

Automotive radar provides reliable environmental perception in all-weather conditions with affordable cost, but it hardly supplies semantic and geometry information due to the sparsity of radar detection points. With the development of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Jianan Liu , Weiyi Xiong , Liping Bai , Yuxuan Xia , Tao Huang , Wanli Ouyang , Bing Zhu

As a widely used localization and sensing technique, radars will play an important role in future wireless networks. However, the wireless channels between the radar and the targets are passively adopted by traditional radars, which limits…

Signal Processing · Electrical Eng. & Systems 2023-03-27 Haobo Zhang , Hongliang Zhang , Boya Di , Kaigui Bian , Zhu Han , Lingyang Song

This paper examines the separation of wireless communication and radar signals, thereby guaranteeing cohabitation and acting as a panacea to spectrum sensing. First, considering that the channel impulse response was known by the receivers…

Information Theory · Computer Science 2023-02-15 Christantus O. Nnamani , Mathini Sellathurai

Millimeter-wave radar enables robust environment perception in autonomous systems under adverse conditions yet suffers from sparse, noisy point clouds with low angular resolution. Existing diffusion-based radar enhancement methods either…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Hao Li , Xinqi Liu , Yaoqing Jin

Autonomous driving highly depends on capable sensors to perceive the environment and to deliver reliable information to the vehicles' control systems. To increase its robustness, a diversified set of sensors is used, including radar…

Signal Processing · Electrical Eng. & Systems 2021-05-04 Alexander Fuchs , Johanna Rock , Mate Toth , Paul Meissner , Franz Pernkopf

Millimeter-wave (mmw) radar is indispensable for Intelligent Transportation Systems (ITS), which can monitor traffic conditions in all weathers. An end-to-end simulation method for mmw radar monitoring and identification at traffic…

Signal Processing · Electrical Eng. & Systems 2022-08-30 Ming Zong , Zhanyu Zhu

This paper introduces a method to reduce interference in OFDM radar systems through the use of reconfigurable intelligent surfaces (RIS). The method involves adjusting the RIS elements to diminish interference effects and improve the…

Signal Processing · Electrical Eng. & Systems 2025-02-21 Ali Parchekani , Milad Johnny , Shahrokh Valaee

Radar sensors operating in the mmWave frequency range face challenges when used as indoor perception and imaging devices, primarily due to noise and multipath signal distortions. These distortions often impair the sensors' ability to…

Signal Processing · Electrical Eng. & Systems 2026-04-09 Stefan Hägele , Fabian Seguel , Driton Salihu , Marsil Zakour , Eckehard Steinbach

Autonomous driving requires a detailed understanding of complex driving scenes. The redundancy and complementarity of the vehicle's sensors provide an accurate and robust comprehension of the environment, thereby increasing the level of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Arthur Ouaknine

Using an amalgamation of techniques from classical radar, computer vision, and deep learning, we characterize our ongoing data-driven approach to space-time adaptive processing (STAP) radar. We generate a rich example dataset of received…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Shyam Venkatasubramanian , Chayut Wongkamthong , Mohammadreza Soltani , Bosung Kang , Sandeep Gogineni , Ali Pezeshki , Muralidhar Rangaswamy , Vahid Tarokh

Dense depth recovery is crucial in autonomous driving, serving as a foundational element for obstacle avoidance, 3D object detection, and local path planning. Adverse weather conditions, including haze, dust, rain, snow, and darkness,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Han Li , Yukai Ma , Yuehao Huang , Yaqing Gu , Weihua Xu , Yong Liu , Xingxing Zuo

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

Signal Processing · Electrical Eng. & Systems 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes