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Recent studies in deep learning have shown significant progress in named entity recognition (NER). Most existing works assume clean data annotation, yet a fundamental challenge in real-world scenarios is the large amount of noise from a…

Computation and Language · Computer Science 2021-04-13 Kun Liu , Yao Fu , Chuanqi Tan , Mosha Chen , Ningyu Zhang , Songfang Huang , Sheng Gao

In this paper, an experimental analysis of the phase noise in an OFDM ARoF setup at 25 GHzfor beyond 5G is presented. The configuration of the setup allows to gradually scale the final phase noise level of the system. Moreover, an OFDM…

Signal Processing · Electrical Eng. & Systems 2021-09-16 Javier Pérez Santacruz , Simon Rommel , Antonio Jurado Navas , Ulf Johannsen , Idelfonso Tafur Monroy

Amplification of quantum states is inevitably accompanied with the introduction of noise at the output. For protocols that are probabilistic with heralded success, noiseless linear amplification in theory may still possible. When the…

Quantum Physics · Physics 2017-04-28 Syed Assad , Mark Bradshaw , Ping Koy Lam

The performance of Neyman-Pearson detection of correlated stochastic signals using noisy observations is investigated via the error exponent for the miss probability with a fixed level. Using the state-space structure of the signal and…

Information Theory · Computer Science 2016-11-17 Youngchul Sung , Lang Tong , H. Vincent Poor

We propose an atomic norm minimization (ANM) estimator of frequencies in a noisy complex sinusoidal signal that integrates Georgiou's filter bank (G-filter) with multiple output vectors (MOV). Unlike our previous work on the G-filter…

Optimization and Control · Mathematics 2026-01-27 Jiale Tang , Bin Zhu

A computationally secure noised based cipher system is proposed. The advantage of this cipher system is that it operates above noise level. Therefore computationally secure communication can be done when error correction code fails. Another…

Quantum Physics · Physics 2007-05-23 Arindam Mitra

Perturbed spectra are modelled to estimate OSNR for a single channel amplified link. Perturbation-dependent nonlinear noise is separated from constant ASE noise using a set of propagated perturbed spectra. A least mean square fitting is…

Signal Processing · Electrical Eng. & Systems 2021-04-06 F. J. Vaquero-Caballero , D. Charlton , M. E. Mousa-Pasandi , D. J. Ives , C. Laperle , M. Hubbard , M. Reimer , M. OSullivan , S. J. Savory

One limitation on the performance of optical traps is the noise inherently present in every setup. Therefore, it is the desire of most experimentalists to minimize and possibly eliminate noise from their optical trapping experiments. A step…

Data Analysis, Statistics and Probability · Physics 2009-09-01 Fabian Czerwinski , Andrew C. Richardson , Christine Selhuber-Unkel , Lene B. Oddershede

Label noise in data has long been an important problem in supervised learning applications as it affects the effectiveness of many widely used classification methods. Recently, important real-world applications, such as medical diagnosis…

Machine Learning · Statistics 2021-12-02 Shunan Yao , Bradley Rava , Xin Tong , Gareth James

Millimeter-wave (mmWave) OFDM radar equipped with rainbow beamforming, enabled by phase-time arrays (PTAs), provides wide-angle coverage and is well-suited for fast real-time target detection and tracking. However, accurate detection of…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Qiushi Liang , Yeyue Cai , Jianhua Mo , Meixia Tao

Non-orthogonal multiple access (NOMA) systems allowing multiple users sharing the same resource block offer significant gains in spectral efficiency which can enable the required massive access in future wireless systems. However, they face…

Information Theory · Computer Science 2026-03-10 Yaakoub Berrouche , Michel Kulhandjian , Hovannes Kulhandjian

The development of new techniques to improve measurements is crucial for all sciences. By employing quantum systems as sensors to probe some physical property of interest allows the application of quantum resources, such as coherent…

Quantum Physics · Physics 2019-05-15 G. H. Aguilar , M. A. de Souza , R. M. Gomes , J. Thompson , M. Gu , L. C. Céleri , S. P. Walborn

We study the performance of three different methods to automatically detect a chirp in background noise. (1) The standard deviation detector uses the computation of the signal to noise ratio. (2) The spectral covariance detector is based on…

Data Analysis, Statistics and Probability · Physics 2007-05-23 M. Ignaccolo , T. Farges , E. Blanc , M. Fullekrug

Phase estimation in quantum interferometry is a major scenario where the quantum advantage is significantly revealed. Recently, the optimal finite-dimensional probe states (OFPSs) for phase estimation in two-mode quantum interferometry have…

Quantum Physics · Physics 2026-05-07 Jin-Feng Qin , Jing Liu

Periodograms are common tools used to search for periodic signals in unevenly spaced time series. The significance of periodogram peaks is often assessed using false alarm probability (FAP), which in most studies assumes uncorrelated noise…

Instrumentation and Methods for Astrophysics · Physics 2020-03-11 J. -B. Delisle , N. Hara , D. Ségransan

Although today's pretrained discriminative vision-language models (e.g., CLIP) have demonstrated strong perception abilities, such as zero-shot image classification, they also suffer from the bag-of-words problem and spurious bias. To…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Yanghao Wang , Long Chen

Conformal Prediction (CP) controls the prediction uncertainty of classification systems by producing a small prediction set, ensuring a predetermined probability that the true class lies within this set. This is commonly done by defining a…

Machine Learning · Computer Science 2025-08-14 Coby Penso , Jacob Goldberger , Ethan Fetaya

We introduce a comprehensive and statistical framework in a model free setting for a complete treatment of localized data corruptions due to severe noise sources, e.g., an occluder in the case of a visual recording. Within this framework,…

Machine Learning · Computer Science 2014-10-02 Huseyin Ozkan , Ozgun S. Pelvan , Suleyman S. Kozat

This paper presents a novel version of the hypergraph neural network method. This method is utilized to solve the noisy label learning problem. First, we apply the PCA dimensional reduction technique to the feature matrices of the image…

Machine Learning · Statistics 2022-09-07 Nguyen Trinh Vu Dang , Loc Tran , Linh Tran

The interference of fluorescence signals and noise remains a significant challenge in Raman spectrum analysis, often obscuring subtle spectral features that are critical for accurate analysis. Inspired by variational methods similar to…

Image and Video Processing · Electrical Eng. & Systems 2025-12-08 Nelson H. T. Lemes , José Claudinei Ferreira , Higor V. M. Ferreira