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With the ultimate goal of developing a pixel-based readout for a TPC at the ILC, a GridPix readout system consisting of one Timepix3 chip with an integrated amplification grid was embedded in a prototype detector. The performance was…

In this letter, we present a novel method for automatic extrinsic calibration of high-resolution LiDARs and RGB cameras in targetless environments. Our approach does not require checkerboards but can achieve pixel-level accuracy by aligning…

Robotics · Computer Science 2021-06-28 Chongjian Yuan , Xiyuan Liu , Xiaoping Hong , Fu Zhang

This paper presents a method for extrinsic camera calibration (estimation of camera rotation and translation matrices) from a sequence of images. It is assumed camera intrinsic matrix and distortion coefficients are known and fixed during…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Jacek Komorowski , Przemyslaw Rokita

In the last years, high-resolution time tagging has emerged as the tool to tackle the problem of high-track density in the detectors of the next generation of experiments at particle colliders. Time resolutions below 50ps and event average…

To fully exploit the increased luminosity of the HL-LHC, the CMS Inner Tracker is undergoing a major upgrade to withstand extreme radiation levels and data rates, while improving granularity and reducing material budget. The upgraded…

Instrumentation and Detectors · Physics 2025-06-12 Panagiotis Assiouras

Advanced ACTPol is an instrument upgrade for the six-meter Atacama Cosmology Telescope (ACT) designed to measure the cosmic microwave background (CMB) temperature and polarization with arcminute-scale angular resolution. To achieve its…

Holographic light potentials generated by phase-modulating liquid-crystal spatial light modulators (SLMs) are widely used in quantum technology applications. Accurate calibration of the wavefront and intensity profile of the laser beam at…

Optics · Physics 2025-06-13 P. Schroff , E. Haller , S. Kuhr , A. La Rooij

This paper proposes FAST-Calib, a fast and user-friendly LiDAR-camera extrinsic calibration tool based on a custom-made 3D target. FAST-Calib supports both mechanical and solid-state LiDARs by leveraging an efficient and reliable edge…

Robotics · Computer Science 2025-07-24 Chunran Zheng , Fu Zhang

Depleted Monolithic Active Pixel Sensors (DMAPS) constitute a promising low cost alternative for the outer layers of the ATLAS experiment Inner Tracker (ITk). Realizations in modern, high resistivity CMOS technologies enhance their…

In recent years, SiPM photoelectric devices have drawn much attention in the domain of time-of-flight-based positron emission tomography (TOF-PET). Using them to construct PET detectors with excellent coincidence time resolution (CTR) is…

Instrumentation and Detectors · Physics 2018-06-08 Liwei Wang , Yonggang Wang , Qiang Cao , Yong Xiao , Chong Liu

It is proposed to upgrade the endcap time-of-flight (ETOF) of the Beijing Spectrometer III (BESIII) with multi-gap resistive plate chamber (MRPC), aiming at overall time resolution about 80 ps. After the entire electronics system is ready,…

Instrumentation and Detectors · Physics 2016-03-16 Wang Xiaozhuang , Dai Hongliang , Wu Zhi , Heng Yuekun , Zhang Jie , Cao Ping , Ji Xiaolu , Li Cheng , Sun Weijia , Wang Siyu , Wang Yun

The next upgrade of the Large Hadron Collider (LHC) is planned from 2026 when the collider will move to its High Luminosity phase (HL-LHC). The CMS detector needs to be substantially upgraded during this period to exploit the fourfold…

Instrumentation and Detectors · Physics 2023-02-01 Tamas Almos Vami , Morris Swartz

Resource constraints in smart devices demand an efficient cryptosystem that allows for low power and memory consumption. This has led to popularity of comparatively efficient Elliptic curve cryptog-raphy (ECC). Prior to this paper, much of…

Cryptography and Security · Computer Science 2015-02-09 Yasir Malik

Prompt tuning of large-scale vision-language models such as CLIP enables efficient task adaptation without updating model weights. However, it often leads to poor confidence calibration and unreliable predictive uncertainty. We address this…

LiDAR-camera extrinsic calibration (LCEC) is crucial for multi-modal data fusion in autonomous robotic systems. Existing methods, whether target-based or target-free, typically rely on customized calibration targets or fixed scene types,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhiwei Huang , Jiaqi Li , Hongbo Zhao , Xiao Ma , Ping Zhong , Xiaohu Zhou , Wei Ye , Rui Fan

In preparation for HL-LHC operation a number of new detector systems are being constructed with timing precision on physics objects of <50 picoseconds. These time stamps will reduce the level of pileup induced backgrounds in this LHC phase…

High Energy Physics - Experiment · Physics 2024-05-15 Sebastian White

Pixel sensors based on commercial high-voltage CMOS processes are an exciting technology that is considered as an option for the outer layer of the ATLAS inner tracker upgrade at the High Luminosity LHC. Here, charged particles are detected…

After the Long Shutdown 2 the LHC will provide lead-lead collisions at interaction rates as high as 50kz. In order to cope with such conditions the ALICE Time Projection Chamber (TPC) needs to be upgraded. After the upgrade the TPC will run…

Instrumentation and Detectors · Physics 2019-08-12 Alexander Deisting

State-of-the-art in-memory computation has recently emerged as the most promising solution to overcome design challenges related to data movement inside current computing systems. One of the approaches to performing in-memory computation is…

Hardware Architecture · Computer Science 2022-09-13 Saeed Seyedfaraji , Baset Mesgari , Semeen Rehman

Terahertz time-domain spectroscopy systems based on resonator-internal repetition-rate modulation, such as SLAPCOPS [12] and ECOPS [11], rely on electronic phase detectors which are typically prone to exhibit both a non-negligible random…

Optics · Physics 2023-02-22 Felix Paries , Oliver Boidol , Georg von Freymann , Daniel Molter