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Over these years, Correlation Filter-based Trackers (CFTs) have aroused increasing interests in the field of visual object tracking, and have achieved extremely compelling results in different competitions and benchmarks. In this paper, our…

Computer Vision and Pattern Recognition · Computer Science 2015-09-21 Zhe Chen , Zhibin Hong , Dacheng Tao

Model-predicted and observed properties of the brightness distribution on M-type Mira disks are discussed. Fundamental issues of limb-darkening and diameter definition, of assigning observational data to diameter-type quantities and of…

Astrophysics · Physics 2015-06-24 Michael Scholz

The Multi-site All-sky CAmeRA MASCARA is an instrument concept consisting of several stations across the globe, with each station containing a battery of low-cost cameras to monitor the near-entire sky at each location. Once all stations…

This paper focuses on communication, radar search, and tracking task scheduling in multi-cell integrated sensing and communication (ISAC) networks under quality-of-service constraints. We propose a medium access control framework that…

Information Theory · Computer Science 2026-02-03 João Henrique Inacio de Souza , Fabio Saggese , Kun Chen-Hu , Petar Popovski

Fringe-projection profilometry with 1 camera and 1 fringe-projector is a well-known and widely used technique in optical metrology. Spatial-frequency multiplexing interferometry with several spatial-carriers having non-overlapping…

Optics · Physics 2017-02-21 Manuel Servin , Moises Padilla , Guillermo Garnica

Mid-wave infrared (MWIR) cameras for large number pixels are extremely expensive compared with their counterparts in visible light, thus, super-resolution imaging (SRI) for MWIR by increasing imaging pixels has always been a research…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Xiao-Peng Jin , Qing Zhao , Xue-Feng Liu , An-Dong Xiong

True-time-delay (TTD) lines are recently applied inside Terahertz (THz) hybrid-precoding transceiver to acquire high beamforming gain against beam squint effect. However, beam tracking turns into a challenging puzzle where enormous…

Information Theory · Computer Science 2024-10-28 Xu Shi , Jintao Wang , Jian Song

Nowadays, infrared target tracking has been a critical technology in the field of computer vision and has many applications, such as motion analysis, pedestrian surveillance, intelligent detection, and so forth. Unfortunately, due to the…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Wei-Jie Yan , Yun-Kai Xu , Qian Chen , Xiao-Fang Kong , Guo-Hua Gu , A-Jun Shao , Min-Jie Wan

Co-phase and co-focus detection is one of the key technologies for large-aperture segmented mirror telescopes. In this paper, a new edge sensor based on fringes of equal thickness is developed, which can detect each segment's relative…

Instrumentation and Methods for Astrophysics · Physics 2023-06-27 Xi Zhang , Heng Zuo , Yong Zhang , Ye-Ping Li

Measuring field-aligned currents (FACs) using magnetic field observations provides a powerful means to probe the multi-scale interactions between the magnetosphere, ionosphere and thermosphere. In this study, we apply the curlometer…

Optical interferometers may not require a phase-stable optical link between the stations if instead sources of quantum-mechanically entangled pairs could be provided to them, enabling long baselines. We developed a new variation of this…

Instrumentation and Methods for Astrophysics · Physics 2023-02-01 Zhi Chen , Andrei Nomerotski , Anže Slosar , Paul Stankus , Stephen Vintskevich

Long-baseline interferometry at optical and near-infrared wavelengths is an emerging technology which is quickly becoming a useful tool to investigate stellar atmospheres and to compare observations with models. Stellar atmosphere models…

Astrophysics · Physics 2007-05-23 Markus Wittkowski

The Planet Formation Imager (PFI) is a project for a very large optical interferometer intended to obtain images of the planet formation process at scales as small as the Hill sphere of giant exoplanets. Its main science instruments will…

Instrumentation and Methods for Astrophysics · Physics 2016-10-27 Romain G. Petrov , Abdelkarim Boskri , Thami Elhalkouj , John Monnier , Michael Ireland , Stefan Kraus

Integration of radar, wireless communications, and spectrum sensing is being investigated for 6G with an increased spectral efficiency. Microwave photonics (MWP), a technique that combines microwave engineering and photonic technology to…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Taixia Shi , Yang Chen , Jianping Yao

For visual tracking, most of the traditional correlation filters (CF) based methods suffer from the bottleneck of feature redundancy and lack of motion information. In this paper, we design a novel tracking framework, called…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Shuai Bai , Zhiqun He , Ting-Bing Xu , Zheng Zhu , Yuan Dong , Hongliang Bai

A new downstream tracking system, known as the Mighty Tracker, is planned to be installed at LHCb during LS4 of the LHC. This will allow an increase in instantaneous luminosity from $2\cdot10^{33}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$ to…

Instrumentation and Detectors · Physics 2024-02-14 Hannah Schmitz , Lucas Dittmann , Klaas Padeken , Sebastian Neubert

In the envisioned beyond-fifth-generation (B5G) and sixth-generation (6G) scenarios which expect massive multiple-input multiple-output (mMIMO) and high frequency communications in the millimeter-wave (mmWave) and Terahertz (THz) bands,…

The PANDA experiment at the future Facility for Antiproton and Ion Reasearch (FAIR) will address fundamental questions of hadron physics with unprecedented precision. To reach this goal excellent Particle Identification (PID) is essential…

Instrumentation and Detectors · Physics 2019-01-15 J. Schwiening

We present beam measurements of the CHIME telescope using a radio calibration source deployed on a drone payload. During test flights, the pulsing calibration source and the telescope were synchronized to GPS time, enabling in-situ…

Multichroic polarization sensitive detectors enable increased sensitivity and spectral coverage for observations of the Cosmic Microwave Background (CMB). An array optimized for dual frequency detectors can provide 1.7 times gain in…