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Two semiconductor optical frequency combs consuming less than 1 W of electrical power are used to demonstrate high-sensitivity mid-infrared dual-comb spectroscopy in the important 3-4 $\mu$m spectral region. The devices are 4 millimeters…

The DESY digital silicon photomultiplier (dSiPM) is a monolithic detector based on complementary metal-oxide-semiconductor (CMOS) single-photon avalanche diodes (SPADs) and features a fully digital readout. The dSiPM prototype was…

In the first part of the paper, a CAOS line camera is introduced for spectral imaging of one dimensional (1-D) or line targets. The proposed spectral camera uses both a diffraction grating as well as a cylindrical lens optics system to…

图像与视频处理 · 电气工程与系统科学 2021-04-07 Mohsin A. Mazhar , Nabeel A. Riza

3D object detection using LiDAR-based point cloud data and deep neural networks is essential in autonomous driving technology. However, deploying state-of-the-art models on edge devices present challenges due to high computational demands…

分布式、并行与集群计算 · 计算机科学 2026-01-13 Taisuke Noguchi , Takayuki Nishio , Takuya Azumi

LiDAR sensor is essential to the perception system in autonomous vehicles and intelligent robots. To fulfill the real-time requirements in real-world applications, it is necessary to efficiently segment the LiDAR scans. Most of previous…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Song Wang , Jianke Zhu , Ruixiang Zhang

The Low Frequency Instrument (LFI) is one of the two instruments onboard the ESA PLANCK satellite foreseen to be launched in 2007. The LFI will image the Cosmic Microwave Background (CMB) anisotropies and the polarization in four different…

天体物理学 · 物理学 2007-05-23 F. Villa , M. Sandri , M. Bersanelli , R. C. Butler , N. Mandolesi , A. Mennella , J. Marti-Canales , J. Tauber

The sixth generation (6G) wireless networks require dynamic spectrum management to optimize the utilization of scarce spectral resources and support emerging integrated sensing and communication (ISAC) applications. This necessitates…

Camouflaged Object Detection (COD) aims to identify objects that blend seamlessly into natural scenes. Although RGB-based methods have advanced, their performance remains limited under challenging conditions. Multispectral imagery,…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Yang Li , Tingfa Xu , Shuyan Bai , Peifu Liu , Jianan Li

We report on the development of coatings for a CCD detector optimized for use in a fixed dispersion UV spectrograph. Due to the rapidly changing index of refraction of Si, single layer broadband anti-reflection coatings are not suitable to…

The CLIC Tracker Detector (CLICTD) is a monolithic pixel sensor. It is fabricated in a 180 nm CMOS imaging process, modified with an additional deep low-dose n-type implant to obtain full lateral depletion. The sensor features a small…

Integrated Sensing and Communication (ISAC) has attracted substantial attraction in recent years for spectral efficiency improvement, enabling hardware and spectrum sharing for simultaneous sensing and signaling operations. In-band Full…

信息论 · 计算机科学 2022-01-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

CMOS Pixel Sensors tend to become relevant for a growing spectrum of charged particle detection instruments. This comes mainly from their high granularity and low material budget. However, several potential applications require a higher…

We are developing multi-chroic antenna-coupled TES detectors for CMB polarimetry. Multi-chroic detectors increase the mapping speed per focal plane area and provide greater discrimination of polarized galactic foregrounds with no increase…

We present a 22 nm FD-SOI (fully depleted silicon-on-insulator) application-specific integrated circuit (ASIC) implementation of a novel soft-output Gram-domain block coordinate descent (GBCD) data detector for massive multi-user (MU)…

信息论 · 计算机科学 2025-01-28 Zixiao Li , Seyed Hadi Mirfarshbafan , Oscar Castañeda , Christoph Studer

Accurate channel state information (CSI) underpins reliable and efficient wireless communication. However, acquiring CSI via pilot estimation incurs substantial overhead, especially in massive multiple-input multiple-output (MIMO) systems…

信息论 · 计算机科学 2025-12-05 Guangming Liang , Mingjie Yang , Dongzhu Liu , Paul Henderson , Lajos Hanzo

The analysis of optical spectra - emission or absorption -- has been arguably the most powerful approach for discovering and understanding matters. The invention and development of many kinds of spectrometers have equipped us with versatile…

Earth observation from space is an important scientific and industrial activity that has applications in many sectors. The instruments employed are often large, complex, and expensive. In addition, they generate large amounts of data, which…

信号处理 · 电气工程与系统科学 2025-08-15 Clément Thomas , Laurent Jacques , Marc Georges

Multispectral imagery is frequently incorporated into agricultural tasks, providing valuable support for applications such as image segmentation, crop monitoring, field robotics, and yield estimation. From an image segmentation perspective,…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Nuno Cunha , Tiago Barros , Mário Reis , Tiago Marta , Cristiano Premebida , Urbano J. Nunes

We demonstrate a wide-band diplexed focal plane suitable for observing low-frequency foregrounds that are important for cosmic microwave background polarimetry. The antenna elements are composed of slotted bowtie antennas with 60% bandwidth…

The Mini-SiTian project, which is the pathfinder for the SiTian project, utilizes three 30 cm telescopes equipped with commercial CMOS cameras (ZWO ASI6200MM Pro) to simulate large-area time-domain survey. Due to the avoidance of the…

天体物理仪器与方法 · 物理学 2025-04-03 Yu Zhang , Lin Du , Yi Hu , Yang Huang , Ying Wu , Min He , Hongrui Gu , Haiyang Mu , Xunhao Chen , Hong Wu
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