中文
相关论文

相关论文: Weighted SPICE Algorithms for Range-Doppler Imagin…

200 篇论文

One-bit compressive sensing (CS) is an advanced version of sparse recovery in which the sparse signal of interest can be recovered from extremely quantized measurements. Namely, only the sign of each measurement is available to us. In many…

信息论 · 计算机科学 2019-10-22 Hossein Beheshti , Sajad Daei , Farzan Haddadi

Lidars are depth measuring sensors widely used in autonomous driving and augmented reality. However, the large volume of data produced by lidars can lead to high costs in data storage and transmission. While lidar data can be represented as…

图像与视频处理 · 电气工程与系统科学 2022-06-07 Xuanyu Zhou , Charles R. Qi , Yin Zhou , Dragomir Anguelov

One-bit compressed sensing (1bCS) is a method of signal acquisition under extreme measurement quantization that gives important insights on the limits of signal compression and analog-to-digital conversion. The setting is also equivalent to…

信息论 · 计算机科学 2021-05-12 Larkin Flodin , Venkata Gandikota , Arya Mazumdar

This article proposes novel sparsity-aware space-time adaptive processing (SA-STAP) algorithms with $l_1$-norm regularization for airborne phased-array radar applications. The proposed SA-STAP algorithms suppose that a number of samples of…

信息论 · 计算机科学 2013-04-16 Z. Yang , R. C. de Lamare

Modulo sampling and dithered one-bit quantization frameworks have emerged as promising solutions to overcome the limitations of traditional analog-to-digital converters (ADCs) and sensors. Modulo sampling, with its high-resolution approach…

信号处理 · 电气工程与系统科学 2023-09-11 Arian Eamaz , Farhang Yeganegi , Mojtaba Soltanalian

One-bit quantization with time-varying sampling thresholds (also known as random dithering) has recently found significant utilization potential in statistical signal processing applications due to its relatively low power consumption and…

信息论 · 计算机科学 2024-01-17 Arian Eamaz , Farhang Yeganegi , Deanna Needell , Mojtaba Soltanalian

Multiple-input multiple-output (MIMO) radar offers several performance and flexibility advantages over traditional radar arrays. However, high angular and Doppler resolutions necessitate a large number of antenna elements and the…

信号处理 · 电气工程与系统科学 2025-09-11 Chandrashekhar Rai , Himali Singh , Arpan Chattopadhyay

In this paper, we propose a Singular-Value-Decomposition-based variable-resolution Analog to Digital Converter (ADC) bit allocation design for a single-user Millimeter wave massive Multiple-Input Multiple-Output receiver. We derive the…

信号处理 · 电气工程与系统科学 2018-04-27 I. Zakir Ahmed , Hamid Sadjadpour , Shahram Yousefi

One-bit sampling has emerged as a promising technique in multiple-input multiple-output (MIMO) radar systems due to its ability to significantly reduce data volume and processing requirements. Nevertheless, current detection methods have…

信号处理 · 电气工程与系统科学 2024-04-29 Yu-Hang Xiao , David Ramírez , Lei Huang , Xiao Peng Li , Hing Cheung So

To realize mmWave massive MIMO systems in practice, Beamspace MIMO with beam selection provides an attractive solution at a considerably reduced number of radio frequency (RF) chains. We propose low-complexity beam selection algorithms…

信息论 · 计算机科学 2022-07-12 Jinxing Yang , Jihong Yu , Shuai Wang , Hao Liu

In massive multiple-input multiple-output (MIMO) systems, acquisition of the channel state information at the transmitter side (CSIT) is crucial. In this paper, a practical CSIT estimation scheme is proposed for frequency division duplexing…

网络与互联网体系结构 · 计算机科学 2016-10-13 Zhiyi Zhou , Xu Chen , Dongning Guo , Michael L. Honig

This paper presents a novel place recognition approach to autonomous vehicles by using low-cost, single-chip automotive radar. Aimed at improving recognition robustness and fully exploiting the rich information provided by this emerging…

机器人学 · 计算机科学 2022-02-18 Kaiwen Cai , Bing Wang , Chris Xiaoxuan Lu

We propose sparsity-adaptive beamspace channel estimation algorithms that improve accuracy for 1-bit data converters in all-digital millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) basestations. Our algorithms include…

Mixed-resolution architectures, combining high-resolution (analog) data with coarsely quantized (e.g., 1-bit) data, are widely employed in emerging communication and radar systems to reduce hardware costs and power consumption. However, the…

信号处理 · 电气工程与系统科学 2025-08-29 Yaniv Mazor , Tirza Routtenberg

Single-pixel imaging (SPI) has offered an unprecedented technique for capturing a targeted scenes without requiring either raster-scanned systems or muti-pixel detectors. However, in the current research, there are rare study reports about…

In this paper we propose to bridge the gap between using extremely low resolution 1-bit measurements and estimating targets' parameters, such as their velocities, that exist in a continuum, i.e., by performing Off-the-Grid estimation. To…

信号处理 · 电气工程与系统科学 2020-11-11 Gilles Monnoyer de Galland , Thomas Feuillen , Luc Vandendorpe , Laurent Jacques

We present a novel approach to implement compressive sensing in laser scanning microscopes (LSM), specifically in image scanning microscopy (ISM), using a single-photon avalanche diode (SPAD) array detector. Our method addresses two…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Ajay Gunalan , Marco Castello , Simonluca Piazza , Shunlei Li , Alberto Diaspro , Leonardo S. Mattos , Paolo Bianchini

Due to challenging applications such as collaborative filtering, the matrix completion problem has been widely studied in the past few years. Different approaches rely on different structure assumptions on the matrix in hand. Here, we focus…

机器学习 · 统计学 2019-10-14 Vincent Cottet , Pierre Alquier

This work focuses on the reconstruction of sparse signals from their 1-bit measurements. The context is the one of 1-bit compressive sensing where the measurements amount to quantizing (dithered) random projections. Our main contribution…

信号处理 · 电气工程与系统科学 2020-08-25 Thomas Feuillen , Mike Davies , Luc Vandendorpe , Laurent Jacques

Ultrawideband radar is an attractive technology for a variety of applications including security systems. As such, it is essential to develop low-cost systems that produce clear target images. Electromagnetic inverse scattering with…

信号处理 · 电气工程与系统科学 2021-10-14 Takuya Sakamoto