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Emerging quality requirements in modern optical systems increase the need for accurate simulation and compensation of disturbances. One key disturbance in high-power laser applications results from thermal loading due to absorption. This…

Optics · Physics 2025-06-24 Mark Kurcsics , Peter Eberhard

The spectral density of random graphs with topological constraints is analysed using the replica method. We consider graph ensembles featuring generalised degree-degree correlations, as well as those with a community structure. In each case…

Disordered Systems and Neural Networks · Physics 2011-04-08 Tim Rogers , Conrad Pérez Vicente , Koujin Takeda , Isaac Pérez Castillo

This article studies the robust version of persistent homology based on trimming methodology to capture the geometric feature through support of the data in presence of outliers. Precisely speaking, the proposed methodology works when the…

Methodology · Statistics 2026-01-01 Tuhin Subhra Mahato , Subhra Sankar Dhar

Estimating probability distributions which describe where an object is likely to be from camera data is a task with many applications. In this work we describe properties which we argue such methods should conform to. We also design a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 David Mohlin , Josephine Sullivan

Background: Large engineering structures, such as space launch towers and suspension bridges, are subjected to extreme forces that cause high-speed 3D deformation and compromise safety. These structures typically operate under extreme…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Banglei Guan , Yifei Bian , Zibin Liu , Haoyang Li , Xuanyu Bai , Taihang Lei , Bin Li , Yang Shang , Qifeng Yu

A Gaussian mixture model with a complex covariance structure was used to analyse experimental data from images recorded by a digital sensor under darkness, to model the effects of temperature and duration of exposure on artificial signals…

Applications · Statistics 2018-04-17 Antonio Forcina , Paolo Carbone

In recent years, significant progress has been achieved for 3D object detection on point clouds thanks to the advances in 3D data collection and deep learning techniques. Nevertheless, 3D scenes exhibit a lot of variations and are prone to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Fatima Albreiki , Sultan Abughazal , Jean Lahoud , Rao Anwer , Hisham Cholakkal , Fahad Khan

Persistence modules are a central algebraic object arising in topological data analysis. The notion of interleaving provides a natural way to measure distances between persistence modules. We consider various classes of persistence modules,…

Algebraic Topology · Mathematics 2019-12-12 Peter Bubenik , Tane Vergili

Neural Persistence is a prominent measure for quantifying neural network complexity, proposed in the emerging field of topological data analysis in deep learning. In this work, however, we find both theoretically and empirically that the…

Machine Learning · Computer Science 2023-11-22 Leander Girrbach , Anders Christensen , Ole Winther , Zeynep Akata , A. Sophia Koepke

A key problem in constrained random verification (CRV) concerns generation of input stimuli that result in good coverage of the system's runs in targeted corners of its behavior space. Existing CRV solutions however provide no formal…

Logic in Computer Science · Computer Science 2020-08-18 Supratik Chakraborty , Aditya A. Shrotri , Moshe Y. Vardi

The outer water buffer is an economic option to shield the external radiative backgrounds for liquid-scintillator neutrino detectors. However, the consequential total reflection of scintillation light at the media boundary introduces extra…

Instrumentation and Detectors · Physics 2022-09-23 Wei Dou , Benda Xu , Jianfeng Zhou , Zhe Wang , Shaomin Chen

We study the local persistence probability during non-stationary time evolutions in disordered contact processes with long-range interactions by a combination of the strong-disorder renormalization group (SDRG) method, a phenomenological…

Statistical Mechanics · Physics 2020-08-19 Róbert Juhász

The upper power limit of linear response of light trap detectors was recently measured [2,3]. We have completed this measurement with test of traps with bias voltage at several visible wavelengths using silicon photodiodes Hamamatsu S1337…

Instrumentation and Detectors · Physics 2015-10-20 Petr Balling , Petr Křen

For mobile robots range sensors are important to perceive the environment. Sensors that can measure in a 3D volume are especially significant for outdoor robotics, because this environment is often highly unstructured. The quality of the…

Robotics · Computer Science 2019-12-04 Qingwen Xu , Sören Schwertfeger

The persistent homology of a stationary point process on ${\bf R}^N$ is studied in this paper. As a generalization of continuum percolation theory, we study higher dimensional topological features of the point process such as loops,…

Probability · Mathematics 2016-12-28 Trinh Khanh Duy , Yasuaki Hiraoka , Tomoyuki Shirai

Multiexponential modeling of relaxation or diffusion MR signal decays is a popular approach for estimating and spatially mapping different microstructural tissue compartments. While this approach can be quite powerful, it is also limited by…

Image and Video Processing · Electrical Eng. & Systems 2019-05-10 Daeun Kim , Jessica L. Wisnowski , Christopher T. Nguyen , Justin P. Haldar

Terahertz time-domain spectroscopy and scanning probe potentiometry were used to investigate charge trapping in polymer field-effect transistors fabricated on a silicon gate. The hole density in the transistor channel was determined from…

Materials Science · Physics 2007-05-23 J. Lloyd-Hughes , T. Richards , H. Sirringhaus , E. Castro-Camus , L. M. Herz , M. B. Johnston

We study detection of collapse in high-dimensional point clouds, where mass concentrates near a lower-dimensional set relative to a non-collapsed geometry. We propose persistent homology-based test statistics under two well-studied…

Computational Geometry · Computer Science 2026-04-30 Alexander Kalinowski

Optical spectroscopy techniques such as differential reflectance and transmittance have proven to be very powerful techniques to study 2D materials. However, a thorough description of the experimental setups needed to carry out these…

We hypothesize that an agent that can look around in static scenes can learn rich visual representations applicable to 3D object tracking in complex dynamic scenes. We are motivated in this pursuit by the fact that the physical world itself…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Adam W. Harley , Shrinidhi K. Lakshmikanth , Paul Schydlo , Katerina Fragkiadaki
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