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We present a custom implementation of a 2D Convolutional Neural Network (CNN) as a viable application for real-time data selection in high-resolution and high-rate particle imaging detectors, making use of hardware acceleration in high-end…

Instrumentation and Detectors · Physics 2022-01-19 Yeon-jae Jwa , Giuseppe Di Guglielmo , Lukas Arnold , Luca Carloni , Georgia Karagiorgi

The SuperKEKB accelerator in Tsukuba, Japan is providing e$^+$e$^-$ beams for the Belle II experiment since March 2019. To deal with the aimed peak luminosity being forty times higher than the one recorded at Belle, a pixel detector based…

Instrumentation and Detectors · Physics 2021-08-19 Stefan Huber , Igor Konorov , Dmytro Levit , Stephan Paul , Dominik Steffen

Deep neural networks (DNNs) enhance the accuracy and efficiency of reconstructing key parameters from time-resolved photon arrival signals recorded by single-photon detectors. However, the performance of conventional backpropagation-based…

Machine Learning · Computer Science 2025-04-15 Zhenya Zang , Xingda Li , David Day Uei Li

Transformer has been adopted to image recognition tasks and shown to outperform CNNs and RNNs while it suffers from high training cost and computational complexity. To address these issues, a hybrid approach has become a recent research…

Machine Learning · Computer Science 2024-10-18 Ikumi Okubo , Keisuke Sugiura , Hiroki Matsutani

Since the start of data taking in spring 2019 at the SuperKEKB collider (KEK, Japan) the Belle II Silicon Vertex Detector (SVD) has been operating reliably and with high efficiency, while providing high quality data: high signal-to-noise…

Instrumentation and Detectors · Physics 2022-07-13 Laura Zani

A novel FPGA based online tracking algorithm for helix track reconstruction in a solenoidal field, developed for the PANDA spectrometer, is described. Employing the Straw Tube Tracker detector with 4636 straw tubes, the algorithm includes a…

Instrumentation and Detectors · Physics 2017-08-02 Yutie Liang , Hua Ye , Martin J Galuska , Thomas Gessler , Wolfgang Kühn , Jens Sören Lange , Milan N Wagner , Zhen'an Liu , Jingzhou Zhao

DEPFET active pixel sensors are a well-developed technology for vertex detectors at future colliders. Extensive test beam campaigns have proven the excellent performance of these devices, and their radiation hardness has been thoroughly…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

Within the ATTRACT FASTPIX project, a monolithic pixel sensor demonstrator chip has been developed in a modified 180 nm CMOS imaging process technology, targeting sub-nanosecond timing precision for single ionising particles. It features a…

Deep learning has been successfully applied to object detection from remotely sensed images. Images are typically processed on the ground rather than on-board due to the computation power of the ground system. Such offloaded processing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Jaemin Kang , Hoeseok Yang , Hyungshin Kim

We introduce an automated tool for deploying ultra low-latency, low-power deep neural networks with convolutional layers on FPGAs. By extending the hls4ml library, we demonstrate an inference latency of $5\,\mu$s using convolutional…

We have developed a prototype system for the ILC vertex detector based on DEPFET pixels. The system operates a 128x64 matrix (with ~35x25 square micron large pixels) and uses two dedicated microchips, the SWITCHER II chip for matrix…

Artificial vision systems of autonomous agents face very difficult challenges, as their vision sensors are required to transmit vast amounts of information to the processing stages, and to process it in real-time. One first approach to…

Image and Video Processing · Electrical Eng. & Systems 2022-11-28 Hajar Asgari , Nicoletta Risi , Giacomo Indiveri

Modern photon science performed at high repetition rate free-electron laser (FEL) facilities and beyond relies on 2D pixel detectors operating at increasing frequencies (towards 100 kHz at LCLS-II) and producing rapidly increasing amounts…

Instrumentation and Detectors · Physics 2019-03-19 Gabriel Blaj , Chu-En Chang , Christopher J. Kenney

The light curves of the OGLE microlensing candidates have been reconstructed using the image subtraction method. A large improvement of the photometric accuracy has been found in comparison with previous processing of the data with DoPHOT.…

Astrophysics · Physics 2007-05-23 C. Alard

Tensor decompositions are powerful tools for large data analytics as they jointly model multiple aspects of data into one framework and enable the discovery of the latent structures and higher-order correlations within the data. One of the…

Machine Learning · Computer Science 2018-07-05 Ekta Gujral , Ravdeep Pasricha , Tianxiong Yang , Evangelos E. Papalexakis

Having the potential for high speed, high throughput, and low energy cost, optical neural networks (ONNs) have emerged as a promising candidate for accelerating deep learning tasks. In conventional ONNs, light amplitudes are modulated at…

Systems and Control · Electrical Eng. & Systems 2023-12-18 Ruidi Qiu , Amro Eldebiky , Grace Li Zhang , Xunzhao Yin , Cheng Zhuo , Ulf Schlichtmann , Bing Li

Belle II is a $B$ factory experiment aiming to start physics data taking in 2017. It is currently being set up at the SuperKEKB accelerator at the KEK facility in Tsukuba (Japan), an asymmetric $e^+e^-$ collider which aims to achieve an…

Instrumentation and Detectors · Physics 2019-08-14 Tobias Schlüter

The Belle II experiment currently under construction at the $e^+e^-$-collider SuperKEKB in Japan is designed to explore new physics beyond the standard model with an approximately 50 times larger data sample compared to its predecessor. The…

Instrumentation and Detectors · Physics 2017-03-21 H. Ye , C. Neibuhr , R. Stever , K. Gadow , C. Camien

The PANDA experiment will not use any hardware trigger, i.e. all raw data are streaming in the data acquisition with a bandwidth of ~280 GB/s. The PANDA Online System is designed to perform data reduction by a factor of ~800 by…

BiSeNet has been proved to be a popular two-stream network for real-time segmentation. However, its principle of adding an extra path to encode spatial information is time-consuming, and the backbones borrowed from pretrained tasks, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Mingyuan Fan , Shenqi Lai , Junshi Huang , Xiaoming Wei , Zhenhua Chai , Junfeng Luo , Xiaolin Wei