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Fourier ptychography microscopy (FPM), sharing its roots with synthetic aperture technique and phase retrieval method, is a recently developed computational microscopic super-resolution technique. By turning on the light-emitting diode…

Optics · Physics 2021-05-07 G. Zhou , S. Zhang , C. Zheng , T. Li , Y. Hu , Q. Hao

Change detection from high-resolution remote sensing images lies as a cornerstone of Earth observation applications, yet its efficacy is often compromised by two critical challenges. First, false alarms are prevalent as models misinterpret…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhongxiang Xie , Shuangxi Miao , Yuhan Jiang , Zhewei Zhang , Jing Yao , Xuecao Li , Jianxi Huang , Pedram Ghamisi

The detector of TRopIcal DEep-sea Neutrino Telescope (TRIDENT) will use large-area silicon photomultiplier (SiPM) arrays combined with photomultiplier tubes to boost photon detection efficiency and pointing capability. An…

Instrumentation and Detectors · Physics 2025-02-06 M. X. Wang , Y. Liu , Y. Q. Tan , J. N. Tang , W. H. Wu , D. L. Xu , W. Zhi , Z. Z. Zhou

A frequency-diverse array (FDA) is an alternative array architecture in which each antenna is preceded by a mixer instead of a phase shifter. The mixers introduce a frequency offset between signals transmitted by each antenna, resulting in…

Signal Processing · Electrical Eng. & Systems 2025-11-19 Marcin Wachowiak , André Bourdoux , Sofie Pollin

The reflectometry on Experimental Advanced Superconducting Tokamak (EAST) is undergoing an upgrade for more comprehensive measurement of plasma density profile and fluctuation. The Data Acquisition and Control System (DACS) has been…

Instrumentation and Detectors · Physics 2019-09-04 Fei Wen , Haoming Xiang , Tao Zhang , Yuming Wang , Xiang Han , Hao Qu , Fubin Zhong , Kaixuan Ye , Mingfu Wu , Gongshun Li , Shoubiao Zhang , Xiang Gao

In order to reconstruct gamma-gamma physics events tagged with High Energy Tagger (HET) in the KLOE-2 (K LOng Experiment 2), we need to measure the Time Of Flight (TOF) of the electrons and positrons from the KLOE-2 Interaction Point (IP)…

Instrumentation and Detectors · Physics 2015-06-05 L. Iafolla , A. Balla , M. Beretta , P. Ciambrone , M. Gatta , F. Gonnella , M. Mascolo , R. Messi , D. Moricciani , D. Riondino

An FPGA based digital signal processing (DSP) system for biasing and reading out multiplexed bolometric detectors for mm-wavelength telescopes is presented. This readout system is being deployed for balloon-borne and ground based cosmology…

Instrumentation and Detectors · Physics 2009-05-13 Matt Dobbs , Eric Bissonnette , Helmuth Spieler

A detailed simulation of vertical showers in atmosphere produced by primary gammas and protons, in the energy range 1-100 TeV, has been performed by means of the FLUKA Monte Carlo code, with the aim of studying the time structure of the…

Astrophysics · Physics 2009-10-30 G. Battistoni , M. Carboni , A. Ferrari , V. Patera

The new era of software signal processing has a large impact on radio astronomy instrumentation. Our design and implementation of a 32 antennae, 33 MHz, dual polarization, fully real-time software backend for the GMRT, using only…

Instrumentation and Methods for Astrophysics · Physics 2015-03-13 Jayanta Roy , Yashwant Gupta , Ue-Li Pen , Jeffrey B. Peterson , Sanjay Kudale , Jitendra Kodilkar

We present FORECAST, a new flexible and adaptable software package that performs forward modeling of the output of any cosmological hydrodynamical simulations to create a wide range of realistic synthetic astronomical images. With…

Recent years have witnessed a trend of applying context frames to boost the performance of object detection as video object detection. Existing methods usually aggregate features at one stroke to enhance the feature. These methods, however,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Han Wang , Jun Tang , Xiaodong Liu , Shanyan Guan , Rong Xie , Li Song

Digital radio detection of cosmic-ray air showers has emerged as an alternative technique in high-energy astroparticle physics. Estimation of the detection efficiency of cosmic-ray radio arrays is one of the few remaining challenges…

Instrumentation and Methods for Astrophysics · Physics 2023-06-28 Vladimir Lenok , Frank G. Schröder

Transition-edge sensors (TESs) are used as very sensitive thermometers in microcalorimeters aimed at detection of different wavelengths. In particular, for soft X-ray astrophysics, science goals require very high resolution…

Instrumentation and Detectors · Physics 2021-02-19 E. Taralli , C. Pobes , P. Khosropanah , L. Fabrega , A. Camon , L. Gottardi , K. Nagayoshi , M. Ridder , M. Bruijn , J. R. Gao

Reliable anomaly detection in photovoltaic (PV) modules is critical for maintaining solar energy efficiency. However, developing robust computer vision models for PV inspection is constrained by the scarcity of large-scale, diverse, and…

Image and Video Processing · Electrical Eng. & Systems 2025-11-14 Shiva Hanifi , Sasan Jafarnejad , Marc Köntges , Andrej Wentnagel , Andreas Kokkas , Raphael Frank

Delay-Doppler alignment modulation (DDAM) is a novel technique to mitigate time-frequency doubly selective channels by leveraging the high spatial resolution offered by large antenna arrays and multi-path sparsity of millimeter wave…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Xianda Liu , Zhiwen Zhou , Zhiqiang Xiao , Yong Zeng

We present an overview of the 'ICE' hardware and software framework that implements large arrays of interconnected FPGA-based data acquisition, signal processing and networking nodes economically. The system was conceived for application to…

Extremely Large Antenna Arrays (ELAA) operating at sub-terahertz frequencies introduce a regime where near-field Fresnel propagation and high-mobility carrier Doppler interact simultaneously, creating a four-dimensional signal space that…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Rahul Gulia

As an X-ray and gamma-ray all-sky monitor aiming for high energy astrophysical transients, Gravitational-wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) has also made a series of observational discoveries on burst…

Advanced ACTPol (AdvACT) is a third generation polarization upgrade to the Atacama Cosmology Telescope, designed to observe the cosmic microwave background (CMB). AdvACT expands on the 90 and 150 GHz transition edge sensor (TES) bolometer…

Forward modeling is often used to interpret substructures observed in protoplanetary disks. To ensure the robustness and consistency of the current forward modeling approach from the community, we conducted a systematic comparison of…