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Fault tree analysis is a well-known technique in reliability engineering and risk assessment, which supports decision-making processes and the management of complex systems. Traditionally, fault tree (FT) models are built manually together…

Neural and Evolutionary Computing · Computer Science 2022-04-11 Lisandro A. Jimenez-Roa , Tom Heskes , Tiedo Tinga , Marielle Stoelinga

The Fast Folding Algorithm (FFA) is a phase-coherent search technique for periodic signals. It has rarely been used in radio pulsar searches, having been historically supplanted by the less computationally expensive Fast Fourier Transform…

Instrumentation and Methods for Astrophysics · Physics 2020-08-12 V. Morello , E. D. Barr , B. W. Stappers , E. F. Keane , A. G. Lyne

Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient fine-tuning (PEFT) method. However, its linear adaptation process limits its expressive power. This means there is a gap between the expressive power of linear training and…

Machine Learning · Computer Science 2026-01-06 Jiacheng Li , Jianchao Tan , Zhidong Yang , Feiye Huo , Yerui Sun , Yuchen Xie , Xunliang Cai

Because of constraints imposed by the market, embedded software in consumer electronics is almost inevitably shipped with faults and the goal is just to reduce the inherent unreliability to an acceptable level before a product has to be…

Software Engineering · Computer Science 2007-05-23 Rui Abreu , Peter Zoeteweij , Arjan JC van Gemund

We propose a method for adaptive nonlinear sequential modeling of vector-time series data. Data is modeled as a nonlinear function of past values corrupted by noise, and the underlying non-linear function is assumed to be approximately…

Methodology · Statistics 2017-10-11 Qiuyi Han , Jie Ding , Edoardo Airoldi , Vahid Tarokh

This paper studies the problem of embedding very large information networks into low-dimensional vector spaces, which is useful in many tasks such as visualization, node classification, and link prediction. Most existing graph embedding…

Machine Learning · Computer Science 2015-03-13 Jian Tang , Meng Qu , Mingzhe Wang , Ming Zhang , Jun Yan , Qiaozhu Mei

State-of-the-art computer vision approaches rely on huge amounts of annotated data. The collection of such data is a time consuming process since it is mainly performed by humans. The literature shows that semi-automatic annotation…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Jonas Jäger , Gereon Reus , Joachim Denzler , Viviane Wolff , Klaus Fricke-Neuderth

Automated Feature Engineering (AFE) refers to automatically generate and select optimal feature sets for downstream tasks, which has achieved great success in real-world applications. Current AFE methods mainly focus on improving the…

Machine Learning · Computer Science 2022-12-27 Kafeng Wang , Pengyang Wang , Chengzhong xu

Approximate linear programs (ALPs) are well-known models based on value function approximations (VFAs) to obtain policies and lower bounds on the optimal policy cost of discounted-cost Markov decision processes (MDPs). Formulating an ALP…

Machine Learning · Computer Science 2021-10-13 Parshan Pakiman , Selvaprabu Nadarajah , Negar Soheili , Qihang Lin

The scale invariant feature transform (SIFT) algorithm is considered a classical feature extraction algorithm within the field of computer vision. SIFT keypoint descriptor matching is a computationally intensive process due to the amount of…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Luka Daoud , Muhammad Kamran Latif , H S. Jacinto , Nader Rafla

We present a new automatic code (ARES) for determining equivalent widths of the absorption lines present in stellar spectra. We also describe its use for determining fundamental spectroscopic stellar parameters. The code is written in C++…

Astrophysics · Physics 2009-11-13 S. G. Sousa , N. C. Santos , G. Israelian , M. Mayor , M. J. P. F. G. Monteiro

We explore the possibility of using machine learning to estimate physical parameters directly from AGN X-ray spectra without needing computationally expensive spectral fitting. Specifically, we consider survey quality data, rather than long…

High Energy Astrophysical Phenomena · Physics 2022-06-22 M. L. Parker , M. Lieu , G. A. Matzeu

We provide a new quantum algorithm that efficiently determines the quality of a least-squares fit over an exponentially large data set by building upon an algorithm for solving systems of linear equations efficiently (Harrow et al., Phys.…

Quantum Physics · Physics 2013-01-10 Nathan Wiebe , Daniel Braun , Seth Lloyd

The Fast Fourier Transform(FFT) is a classic signal processing algorithm that is utilized in a wide range of applications. For image processing, FFT computes on every pixel's value of an image, regardless of their properties in frequency…

Signal Processing · Electrical Eng. & Systems 2020-02-25 Sheng Shi , Runkai Yang , Haihang You

I describe an approach to fitting and comparison of radio spectra based on Bayesian analysis and realised using a new implementation of the nested sampling algorithm. Such an approach improves on the commonly used maximum-likelihood fitting…

Instrumentation and Methods for Astrophysics · Physics 2009-12-14 Bojan Nikolic

We present the first almost-linear time algorithm for constructing linear-sized spectral sparsification for graphs. This improves all previous constructions of linear-sized spectral sparsification, which requires $\Omega(n^2)$ time. A key…

Data Structures and Algorithms · Computer Science 2015-08-14 Yin Tat Lee , He Sun

The rapid growth of symbolic data in areas like internet, biological, and financial data has increased the demand for efficient pattern matching and regular expression processing. Non-deterministic Finite Automata (NFA) are used for these…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-29 Ryan Karbowniczak Rasha Karakchi

Under the impact of global climate changes and human activities, harmful algae blooms in surface waters have become a growing concern due to negative impacts on water related industries. Therefore, reliable and cost effective methods of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Jason L. Deglint , Chao Jin , Alexander Wong

Integrating high-level context information with low-level details is of central importance in semantic segmentation. Towards this end, most existing segmentation models apply bilinear up-sampling and convolutions to feature maps of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Hanzhe Hu , Yinbo Chen , Jiarui Xu , Shubhankar Borse , Hong Cai , Fatih Porikli , Xiaolong Wang

This article introduces a method of evaluating subsamples until any prescribed level of classification accuracy is attained, thus obtaining arbitrary accuracy. A logarithmic reduction in error rate is obtained with a linear increase in…

Signal Processing · Electrical Eng. & Systems 2023-01-31 Michael C. Kleder