中文
相关论文

相关论文: 3D-Image Reconstruction using MIMO-SAR FMCW Radar

200 篇论文

We present a neural-field-based large-scale reconstruction system that fuses lidar and vision data to generate high-quality reconstructions that are geometrically accurate and capture photo-realistic textures. This system adapts the…

机器人学 · 计算机科学 2025-02-18 Yifu Tao , Yash Bhalgat , Lanke Frank Tarimo Fu , Matias Mattamala , Nived Chebrolu , Maurice Fallon

Interferometric Synthetic Aperture Radar (InSAR) Imaging methods are usually based on algorithms of match-filtering type, without considering the scene's characteristic, which causes limited imaging quality. Besides, post-processing steps…

信号处理 · 电气工程与系统科学 2022-10-07 Xu Zhan , Xiaoling Zhang , Shunjun Wei , Jun Shi

Radar imaging is crucial in remote sensing and has many applications in detection and autonomous driving. However, the received radar signal for imaging is enormous and redundant, which degrades the speed of real-time radar quantitative…

信号处理 · 电气工程与系统科学 2023-07-06 Zhuoyang Liu , Huilin Xu , Feng Xu

Conventional microwave imaging schemes, enabled by the ubiquity of coherent sources and detectors, have traditionally relied on frequency bandwidth to retrieve range information, while using mechanical or electronic beamsteering to obtain…

Synthetic aperture radar has the ability to work 24/7 and 24/7, and has high application value. Propose a new SAR image matching algorithm based on multi class features, mainly using two different types of features: straight lines and…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Mazhi Qiang , Fengming Zhou

Images of near-field SAR contains spatial-variant sidelobes and clutter, subduing the image quality. Current image restoration methods are only suitable for small observation angle, due to their assumption of 2D spatial-invariant…

信号处理 · 电气工程与系统科学 2022-10-06 Wensi Zhang , Xiaoling Zhang , Xu Zhan , Yuetonghui Xu , Jun Shi , Shunjun Wei

Synthetic Aperture Radar (SAR) offers all-weather, high-resolution imaging capabilities, but its complex imaging mechanism often poses challenges for interpretation. In response to these limitations, this paper introduces an innovative…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Xinyu Bai , Feng Xu

A rail-mounted synthetic aperture radar has been constructed to operate at W-band (75 - 110 GHz) and a THz band (325 - 500 GHz) in order to ascertain its ability to locate isolated small, visually obscured metallic scatterers embedded in…

仪器与探测器 · 物理学 2017-01-11 Jonathan T. Richard , Henry O. Everitt

Due to the rapid increase in 76 GHz automotive spectrum use in recent years, wireless interference is becoming a legitimate area of concern. However, the recent rise in interest of automated vehicles (AVs) has also spurred new growth and…

信号处理 · 电气工程与系统科学 2021-12-28 Jason Merlo , Jeffrey A. Nanzer

Using a laser-based ranging method for precise environmental 3D sensing, LiDAR has numerous applications in science and industry. However, conventional LiDAR face challenges in simultaneously achieving high ranging precision and fast…

光学 · 物理学 2024-12-10 Lizong Dong , Qinggai Mi , Siyu Zhou , Yuetang Yang , Yuanzu Wang , Guanhao Wu

This letter proposes a synthetic aperture radar (SAR) image registration method named Feature-Area Optimization (FAO). First, the traditional area-based optimization model is reconstructed and decomposed into three key but uncertain…

计算机视觉与模式识别 · 计算机科学 2016-02-19 Fuqiang Liu , Fukun Bi , Liang Chen , Hao Shi , Wei Liu

In ultrasound nondestructive testing, a widespread approach is to take synthetic aperture measurements from the surface of a specimen to detect and locate defects within it. Based on these measurements, imaging is usually performed using…

信号处理 · 电气工程与系统科学 2020-12-09 Jan Kirchhof , Sebastian Semper , Christoph W. Wagner , Eduardo Pérez , Florian Römer , Giovanni Del Galdo

A hybrid physical and geometrical optics method is proposed to model the subsurface imaging using mmWave FMCW radar. Modeling of the wave propagation for subsurface imaging can improve the interpretation of acquired data and imaging…

信号处理 · 电气工程与系统科学 2026-04-14 Kaito Ichijo , Hang Song , Xin Du , Bo Wei , Junichi Takada

Synthetic aperture radar (SAR) image change detection is a critical task and has received increasing attentions in the remote sensing community. However, existing SAR change detection methods are mainly based on convolutional neural…

图像与视频处理 · 电气工程与系统科学 2023-09-22 Haopeng Zhang , Zijing Lin , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

We present SpINRv2, a neural framework for high-fidelity volumetric reconstruction using Frequency-Modulated Continuous-Wave (FMCW) radar. Extending our prior work (SpINR), this version introduces enhancements that allow accurate learning…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Harshvardhan Takawale , Nirupam Roy

Light detection and ranging (Lidar) single-photon devices capture range and intensity information from a 3D scene. This modality enables long range 3D reconstruction with high range precision and low laser power. A multispectral…

信号处理 · 电气工程与系统科学 2019-09-20 Julián Tachella , Yoann Altmann , Miguel Márquez , Henry Arguello-Fuentes , Jean-Yves Tourneret , Stephen McLaughlin

We present a novel scheme allowing for 2D target localization using highly quantized 1-bit measurements from a Frequency Modulated Continuous Wave (FMCW) radar with two receiving antennas. Quantization of radar signals introduces…

信号处理 · 电气工程与系统科学 2018-06-18 Thomas Feuillen , Chunlei Xu , Luc Vandendorpe , Laurent Jacques

Microwave photonic radars enable fast or even real-time high-resolution imaging thanks to its broad bandwidth. Nevertheless, the frequency range of the radars usually overlaps with other existed radio-frequency (RF) applications, and only a…

信号处理 · 电气工程与系统科学 2023-07-19 Cong Ma , Yue Yang , Ce Liu , Beichen Fan , Xingwei Ye , Yamei Zhang , Xiangchuan Wang , Shilong Pan

Safety and reliability are crucial for the public acceptance of autonomous driving. To ensure accurate and reliable environmental perception, intelligent vehicles must exhibit accuracy and robustness in various environments. Millimeter-wave…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Yue Sun , Yeqiang Qian , Chunxiang Wang , Ming Yang

Synthetic aperture radar (SAR) has a pivotal role as a remote imaging method. Obtained by means of coherent illumination, SAR images are contaminated with speckle noise. The statistical modeling of such contamination is well described…

统计计算 · 统计学 2012-07-11 Renato J. Cintra , Abraão D. C. Nascimento , Alejandro C. Frery
‹ 上一页 1 8 9 10 下一页 ›