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Large datasets in NLP suffer from noisy labels, due to erroneous automatic and human annotation procedures. We study the problem of text classification with label noise, and aim to capture this noise through an auxiliary noise model over…

Computation and Language · Computer Science 2022-06-22 Siddhant Garg , Goutham Ramakrishnan , Varun Thumbe

It is proposed to measure the current noise generated in a mesoscopic conductor by macroscopic quantum tunneling (MQT) in a current biased Josephson junction placed in parallel to the conductor. The theoretical description of this set-up…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Joachim Ankerhold , Hermann Grabert

Estimating free-energy differences using nonequilibrium work relations, such as the Jarzynski equality, is hindered by poor convergence when work fluctuations are large. For systems governed by overdamped Langevin dynamics, we propose the…

Statistical Mechanics · Physics 2025-08-14 Stephen Whitelam

The Josephson junction noise detector measures the skewness of non-Gaussian noise via the asymmetry of the rate of escape from the zero-voltage state upon reversal of the bias current. The feedback of this detector on the noise generating…

Mesoscale and Nanoscale Physics · Physics 2010-05-10 D. F. Urban , Hermann Grabert

A general theory of thermal magnetic fluctuations near conductive materials is developed; such fluctuations are the magnetic analog of Johnson noise. For realistic experiments in quantum computing and magnetic resonance force microscopy,…

Quantum Physics · Physics 2007-05-23 J. A. Sidles , J. L. Garbini , W. M. Dougherty , S. H. Chao

It is known that Deep Neural networks (DNNs) are vulnerable to adversarial attacks, and the adversarial robustness of DNNs could be improved by adding adversarial noises to training data (e.g., the standard adversarial training (SAT)).…

Image and Video Processing · Electrical Eng. & Systems 2022-06-23 Linhai Ma , Liang Liang

The sensitivity of classical and quantum sensing is impaired in a noisy environment. Thus, one of the main challenges facing sensing protocols is to reduce the noise while preserving the signal. State of the art quantum sensing protocols…

Optics · Physics 2016-07-18 L. Cohen , Y. Pilnyak , D. Istrati , A. Retzker , H. S. Eisenberg

The presence of critical resonances in microwave power amplifiers has a negative impact on its behavior and performance. These critical resonances are usually predicted from pole-zero stability simulations. In this paper, a different and…

Instrumentation and Detectors · Physics 2025-01-29 Juan-Mari Collantes , Nerea Otegi , Aitziber Anakabe , Libe Mori , Asier Barcenilla , Jose Manuel Gonzalez-Perez

Josephson Parametric Amplifiers (JPAs) are key components in quantum information processing due to their ability to amplify weak quantum signals with near-quantum-limited noise performance. This is essential for applications such as qubit…

Quantum Physics · Physics 2025-07-18 Ahmad Salmanogli , Hesam Zandi , Mahdi Esmaeili , Abolfazl Eskandari , Mohsen Akbari

We report an accurate measurement of the phase noise of a thermally limited electronic oscillator at 300 K. By thermally limited we mean that the white signal-to-noise ratio of the oscillator is at or near the level generated by the thermal…

Instrumentation and Detectors · Physics 2017-01-13 Archita Hati , Craig W. Nelson , David Pappas , David A. Howe

We consider the problem of simultaneous reduction of acoustic echo, reverberation and noise. In real scenarios, these distortion sources may occur simultaneously and reducing them implies combining the corresponding distortion-specific…

Sound · Computer Science 2020-07-28 Guillaume Carbajal , Romain Serizel , Emmanuel Vincent , Eric Humbert

We describe a set-up for measurement of the absolute zero by Johnson-Nyquist thermal noise which can be performed within a week in every high-school or university. Necessary electronic components and technical guidelines for the…

Physics Education · Physics 2022-05-23 Todor M Mishonov , Nikola S Serafimov , Emil G Petkov , Albert M Varonov

Given a quantum system $S$ entangled with another system $I$, the entanglement testing problem arises, prompting the identification of the system $S$ within a set of $m \ge 2$ identical systems. This scenario serves as a model for the…

Quantum Physics · Physics 2023-12-27 Pengcheng Liao , Quntao Zhuang

We report the measurement of the current noise of a tunnel junction driven out-of-equilibrium by a temperature and/or voltage difference, i.e. the charge noise of heat and/or electrical current. This is achieved by a careful control of…

Mesoscale and Nanoscale Physics · Physics 2020-09-09 Samuel Larocque , Edouard Pinsolle , Christian Lupien , Bertrand Reulet

We use an artificial neural network to analyze asymmetric noisy random telegraph signals (RTSs), and extract underlying transition rates. We demonstrate that a long short-term memory neural network can vastly outperform conventional…

Mesoscale and Nanoscale Physics · Physics 2020-07-23 N. J. Lambert , A. A. Esmail , M. Edwards , A. J. Ferguson , H. G. L. Schwefel

The use of carbon nanotube (CNT) field-effect transistors (FETs) in microwave circuit design requires an appropriate, immediate and efficient description of their performance. This work describes a technique to extract the parameters of an…

Learning with noisy labels (LNL) aims at designing strategies to improve model performance and generalization by mitigating the effects of model overfitting to noisy labels. The key success of LNL lies in identifying as many clean samples…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Jichang Li , Guanbin Li , Feng Liu , Yizhou Yu

The resolution of resonant sensors is fundamentally limited by the presence of noise. Thermomechanical noise, intrinsic to the resonator, sets the ultimate sensor performance when all other noise sources have been eliminated. For linear…

The remote microphone technique (RMT) is often used in active noise control (ANC) applications to overcome design constraints in microphone placements by estimating the acoustic pressure at inconvenient locations using a pre-calibrated…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Chung Kwan Lai , Bhan Lam , Dongyuan Shi , Woon-Seng Gan

Recently, test-time adaptation has garnered attention as a method for tuning models without labeled data. The conventional modus operandi for adapting pre-trained vision-language models (VLMs) during test-time primarily focuses on tuning…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Raza Imam , Asif Hanif , Jian Zhang , Khaled Waleed Dawoud , Yova Kementchedjhieva , Mohammad Yaqub