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Fast radio bursts (FRBs) are enigmatic high-energy events with unknown origins, which are observationally divided into two categories, i.e., repeaters and non-repeaters. However, there are potentially a number of non-repeaters that may be…

High Energy Astrophysical Phenomena · Physics 2025-02-14 Wan-Peng Sun , Ji-Guo Zhang , Yichao Li , Wan-Ting Hou , Fu-Wen Zhang , Jing-Fei Zhang , Xin Zhang

Pulsar search with time-domain observation is very computationally expensive and data volume will be enormous with the next generation telescopes such as the Square Kilometre Array. We apply artificial neural networks (ANNs), a machine…

Instrumentation and Methods for Astrophysics · Physics 2020-03-17 Naoyuki Yonemaru , Keitaro Takahashi , Hiroki Kumamoto , Shi Dai , Shintaro Yoshiura , Shinsuke Ideguchi

We present a novel two-stage approach which combines unsupervised and supervised machine learning to automatically identify and classify single pulses in radio pulsar search data. In the first stage, we identify astrophysical pulse…

Instrumentation and Methods for Astrophysics · Physics 2018-08-07 Di Pang , Katerina Goseva-Popstojanova , Thomas Devine , Maura McLaughlin

Machine learning applied to computer vision and signal processing is achieving results comparable to the human brain on specific tasks due to the great improvements brought by the deep neural networks (DNN). The majority of state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 José Augusto Stuchi , Levy Boccato , Romis Attux

Deep neural networks (DNNs) have enabled astounding progress in several vision-based problems. Despite showing high predictive accuracy, recently, several works have revealed that they tend to provide overconfident predictions and thus are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Muhammad Akhtar Munir , Muhammad Haris Khan , Salman Khan , Fahad Shahbaz Khan

Optical transmission spectroscopy is one method to understand brain tissue structural properties from brain tissue biopsy samples, yet manual interpretation is resource intensive and prone to inter observer variability. Deep convolutional…

Medical Physics · Physics 2025-05-20 Mohnish Sao , Mousa Alrubayan , Prabhakar Pradhan

The current learning process of deep learning, regardless of any deep neural network (DNN) architecture and/or learning algorithm used, is essentially a single resolution training. We explore multiresolution learning and show that…

Machine Learning · Computer Science 2023-09-29 Hongyan Zhou , Yao Liang

Deep Learning is gaining traction with geophysics community to understand subsurface structures, such as fault detection or salt body in seismic data. This study describes using deep learning method for iceberg or ship recognition with…

Machine Learning · Computer Science 2018-12-19 Cheng Zhan , Licheng Zhang , Zhenzhen Zhong , Sher Didi-Ooi , Youzuo Lin , Yunxi Zhang , Shujiao Huang , Changchun Wang

The reconstruction of a frequency with minimal delay from a sinusoidal signal is a common task in several fields; for example Ring Laser Gyroscopes, since their output signal is a beat frequency. While conventional methods require several…

The lack of interpretability and trust is a much-criticised feature of deep neural networks. In fully connected nets, the signalling between inner layers is scrambled because backpropagation training does not require perceptrons to be…

Signal Processing · Electrical Eng. & Systems 2021-01-28 Jake L. Amey , Jake Keeley , Tajwar Choudhury , Ilya Kuprov

Supervised learning, more specifically Convolutional Neural Networks (CNN), has surpassed human ability in some visual recognition tasks such as detection of traffic signs, faces and handwritten numbers. On the other hand, even…

Robotics · Computer Science 2018-09-18 Hai Nguyen , Hung Manh La , Matthew Deans

The era of ubiquitous, affordable wireless connectivity has opened doors to countless practical applications. In this context, ambient backscatter communication (AmBC) stands out, utilizing passive tags to establish connections with readers…

Information Theory · Computer Science 2023-11-16 S. Zargari , A. Hakimi , C. Tellambura , A. Maaref

Accurate real-time object recognition from sensory data has long been a crucial and challenging task for autonomous driving. Even though deep neural networks (DNNs) have been successfully applied in this area, most existing methods still…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Wei Wang , Shibo Zhou , Jingxi Li , Xiaohua Li , Junsong Yuan , Zhanpeng Jin

We introduce QuasarNET, a deep convolutional neural network that performs classification and redshift estimation of astrophysical spectra with human-expert accuracy. We pose these two tasks as a \emph{feature detection} problem: presence or…

Instrumentation and Methods for Astrophysics · Physics 2018-08-31 Nicolas Busca , Christophe Balland

Large-scale deep neural networks (DNN) have been successfully used in a number of tasks from image recognition to natural language processing. They are trained using large training sets on large models, making them computationally and…

Machine Learning · Computer Science 2017-03-28 Sek Chai , Aswin Raghavan , David Zhang , Mohamed Amer , Tim Shields

Intense short-wavelength pulses from free-electron lasers and high-harmonic-generation sources enable diffractive imaging of individual nano-sized objects with a single x-ray laser shot. The enormous data sets with up to several million…

Deep Convolutional Neural Network (DCNN) and Transformer have achieved remarkable successes in image recognition. However, their performance in fine-grained image recognition is still difficult to meet the requirements of actual needs. This…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Chaorong Li , Malu Zhang , Wei Huang , Fengqing Qin , Anping Zeng , Yuanyuan Huang

Deep neural networks ( DNNs ) are becoming a key enabling technology for many application domains. However, on-device inference on battery-powered, resource-constrained embedding systems is often infeasible due to prohibitively long…

Machine Learning · Computer Science 2019-11-13 Vicent Sanz Marco , Ben Taylor , Zheng Wang , Yehia Elkhatib

Deep learning methods have shown great promise in many practical applications, ranging from speech recognition, visual object recognition, to text processing. However, most of the current deep learning methods suffer from scalability…

Machine Learning · Statistics 2015-08-31 Yanping Huang , Sai Zhang

In recent years, the widespread use of deep neural networks (DNNs) has facilitated great improvements in performance for computer vision tasks like image classification and object recognition. In most realistic computer vision applications,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Tejas Borkar , Lina Karam
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