Robust estimation of conditional variance of time series using density power divergences
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Forecasting"
DOI: 10.1002/for.2465
Abstract: Suppose Zt is the square of a time series Yt whose conditional mean is zero. We do not specify a model for Yt, but assume that there exists a p×1 parameter vector Φ such that… read more here.
Keywords: robust estimation; methodology; density power; time series ... See more keywords
Robust constrained weighted least squares for in vivo human cardiac diffusion kurtosis imaging
Sign Up to like & getrecommendations! Published in 2025 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.70037
Abstract: Summary Robust estimation with convexity constraints significantly improves signal fitting for in vivo human cardiac diffusion kurtosis imaging. Purpose Cardiac diffusion tensor imaging (cDTI) is an emerging technique to investigate the microstructure of heart tissue.… read more here.
Keywords: robust estimation; diffusion kurtosis; cardiac diffusion; kurtosis ... See more keywords
Robust Estimation‐Based Non‐Fragile Control for Discrete‐Time Non‐Linear Systems
Sign Up to like & getrecommendations! Published in 2025 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.7806
Abstract: In this paper, a novel robust estimation‐based non‐fragile controller is designed for a specific class of discrete‐time, time‐varying, non‐linear systems whose non‐linear term satisfies the incremental quadratic inequality, which is parameterized by a set of… read more here.
Keywords: non linear; estimation based; based non; robust estimation ... See more keywords
Robust Estimation of Object Dimensions and External Defect Detection with a Low-Cost Sensor
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Nondestructive Evaluation"
DOI: 10.1007/s10921-017-0395-7
Abstract: The measurement of object dimensions as well as the detection and localization of external defects are of large importance for many sectors in industry including agriculture, transportation and production. In this paper we investigate the… read more here.
Keywords: robust estimation; system; object dimensions; low cost ... See more keywords
Controlled-source electromagnetic data processing based on gray system theory and robust estimation
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DOI: 10.1007/s11770-017-0646-5
Abstract: We propose a novel method that combines gray system theory and robust M-estimation method to suppress the interference in controlled-source electromagnetic data. We estimate the standard deviation of the data using a gray model because… read more here.
Keywords: robust estimation; gray system; method; source electromagnetic ... See more keywords
Robust estimation method for raw observations from laser tracker
Sign Up to like & getrecommendations! Published in 2024 at "AIP Advances"
DOI: 10.1063/5.0237975
Abstract: The triangulateration network adjustment method is a fundamental algorithm for constructing a measurement system composed of multiple laser trackers. This method is based on a prior-weight-matrix model considering varied accuracies of angle and distance observations… read more here.
Keywords: robust estimation; method; observations laser; laser trackers ... See more keywords
Robust estimation and variable selection in heteroscedastic linear regression
Sign Up to like & getrecommendations! Published in 2019 at "Statistics"
DOI: 10.1080/02331888.2019.1579215
Abstract: ABSTRACT The paper concerns robust estimation and variable selection in heteroscedastic linear regression models. After a brief review of existing methods for estimation in such models, a robust S-estimation approach is discussed. For all methods… read more here.
Keywords: robust estimation; estimation; estimation variable; heteroscedastic linear ... See more keywords
Towards a robust estimation of orientation parameters between ICRF and Gaia celestial reference frames
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab2100
Abstract: An analysis of the source position differences between VLBI-based ICRF and Gaia-CRF catalogues is a key step in assessing their systematic errors and determining their mutual orientation. One of the main factors that limits the… read more here.
Keywords: robust estimation; orientation; towards robust; orientation parameters ... See more keywords
Robust estimation of risks from small samples
Sign Up to like & getrecommendations! Published in 2017 at "Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences"
DOI: 10.1098/rsta.2016.0299
Abstract: Data-driven risk analysis involves the inference of probability distributions from measured or simulated data. In the case of a highly reliable system, such as the electricity grid, the amount of relevant data is often exceedingly… read more here.
Keywords: robust estimation; estimation; small samples; risks small ... See more keywords
Robust estimation of diagnostic rate and real incidence of COVID-19 for European policymakers
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DOI: 10.1101/2020.05.01.20087023
Abstract: Policymakers need a clear and fast assessment of the real spread of the epidemic of COVID-19 in each of their respective countries. Standard measures of the situation provided by the governments include reported positive cases… read more here.
Keywords: incidence; robust estimation; estimation diagnostic; rate ... See more keywords
Statistical Robust Estimation of Spatial Symmetric Transformations Based on Mahalanobis Distance
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2024.3431689
Abstract: This article explores the problem of symmetric transformation in the presence of outliers for photogrammetric and remote-sensing applications. We propose a pointwise robust objective for symmetric coordinate transformation by assuming the corresponding structure of the… read more here.
Keywords: mahalanobis distance; distance; robust estimation; remote sensing ... See more keywords