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Keywords: observer
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Journal Article
Combining sources of high-resolution fishery-dependent data from the northeast United States to develop a catch rate time series
Andrew W Jones and others
ICES Journal of Marine Science, Volume 82, Issue 3, March 2025, fsaf032, https://doi.org/10.1093/icesjms/fsaf032
Published: 21 March 2025
... Fisheries Observer Programs. By focusing on data collected from vessels employing bottom trawl gear, we construct a novel data set and establish a nominal catch per unit effort index specific to black sea bass (Centropristis striata), a commonly targeted species. To augment this data set, we...
Journal Article
Parent-Rated Schizotypy and Clinician-Rated Psychotic Experiences in Early Adolescence as Predictors of Schizophrenia Diagnosis by Middle Adulthood
Kirstie J M O’Hare and others
Schizophrenia Bulletin, Volume 51, Issue Supplement_2, March 2025, Pages S107–S114, https://doi.org/10.1093/schbul/sbad158
Published: 04 March 2025
...-rated schizotypy and clinician-rated subclinical psychotic symptoms are valid, nonredundant indicators of lifetime risk for schizophrenia. observer ratings psychometrics longitudinal psychosis proneness Schizotypy attributes, including psychotic experiences, were measured by parent report at age 13...
Journal Article
Stop Training Artificial Intelligence Algorithms Now. Start Prospective Trials!
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Robert M Nishikawa and Alisa Sumkin
Journal of Breast Imaging, Volume 7, Issue 2, March 2025, Pages 165–167, https://doi.org/10.1093/jbi/wbae083
Published: 29 November 2024
... Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) artificial intelligence screening mammography clinical evaluation observer study breast cancer Artificial intelligence (AI) for breast imaging, and as applied to screening mammography, has made major technical advances...
Journal Article
Value of projectional imaging relative to cross-sectional imaging to assess catheter tip position in the superior vena cava: evaluation of reader variability
Giuseppe Gullo and others
British Journal of Radiology, Volume 98, Issue 1166, February 2025, Pages 237–245, https://doi.org/10.1093/bjr/tqae218
Published: 29 October 2024
... chest X-ray (CXR) landmarks for tips assessment, only the pericardial reflection lies in the same plane as the vascular structures. We aimed to evaluate the observer variability to determine tip positioning on CXR, using CT as a gold standard. Methods We retrospectively analyzed 107 CT scans...
Journal Article
A roadmap for generating annual bycatch estimates from sparse at-sea observer data
Yihao Yin and others
ICES Journal of Marine Science, Volume 81, Issue 9, November 2024, Pages 1850–1867, https://doi.org/10.1093/icesjms/fsae110
Published: 17 September 2024
... the original work is properly cited. Abstract To support ecosystem-based fisheries management, monitoring data from at-sea observer (ASO) programs should be leveraged to understand the impact of fisheries on discarded species (bycatch). Available techniques to estimate fishery-scale quantities from...
Journal Article
Frontal pole–precuneus connectivity is associated with a discrepancy between self-rated and observer-rated depression severity in mood disorders: a resting-state functional magnetic resonance imaging study
Shintaro Kawakami and others
Cerebral Cortex, Volume 34, Issue 7, July 2024, bhae284, https://doi.org/10.1093/cercor/bhae284
Published: 25 July 2024
... that lead to the discrepancy between self-rated and observer-rated depression severities. The only neuroimaging study to date on the discrepancy between self-rated and observer-rated depression severity is the near-infrared spectroscopy (NIRS) study, which reported that the task-related elevation...
Journal Article
The Fundamental Role of Character Coding in Bayesian Morphological Phylogenetics
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Basanta Khakurel and others
Systematic Biology, Volume 73, Issue 5, September 2024, Pages 861–871, https://doi.org/10.1093/sysbio/syae033
Published: 04 June 2024
... of organismal form and function. Most phylogenetic trees are estimated using a model of evolution. For molecular data, modeling evolution is often based on biochemical observations about changes between character states. For example, there are 4 nucleotides, and we can make assumptions about the probability...
Journal Article
A new H∞ observer for continuous LPV systems with unknown inputs using an HOSM differentiator
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Luc Meyer
IMA Journal of Mathematical Control and Information, Volume 41, Issue 2, June 2024, Pages 235–254, https://doi.org/10.1093/imamci/dnae008
Published: 24 March 2024
... This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract The main contribution of this paper is the development of state and unknown input (UI) observers...
Journal Article
Impact of fishery observer protocol on estimated bycatch rates of marine mammals
Kristin Precoda and Christopher D Orphanides
ICES Journal of Marine Science, Volume 81, Issue 2, March 2024, Pages 348–357, https://doi.org/10.1093/icesjms/fsad202
Published: 11 January 2024
...Kristin Precoda; Christopher D Orphanides; Anita Gilles We tabulated decomposition state and median and minimum soak durations for hauls with bycatch to determine if soak duration influences whether an animal is observed. We chose species-specific thresholds to cap soak duration when calculating...
Journal Article
Population data–based federated machine learning improves automated echocardiographic quantification of cardiac structure and function: the Automatisierte Vermessung der Echokardiographie project
Caroline Morbach and others
European Heart Journal - Digital Health, Volume 5, Issue 1, January 2024, Pages 77–88, https://doi.org/10.1093/ehjdh/ztad069
Published: 15 November 2023
... Measurement variability Observer variability Sample size Population-based cohort 25 04 2023 08 09 2023 03 10 2023 13 12 2023 © The Author(s) 2023. Published by Oxford University...
Journal Article
On a new method for the state and output feedback exponential stabilization of a cascaded wave PDE-ODE system with nonlinear boundary condition
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Najmeh Ghaderi
IMA Journal of Mathematical Control and Information, Volume 40, Issue 4, December 2023, Pages 714–745, https://doi.org/10.1093/imamci/dnad027
Published: 26 October 2023
...-directional at two points. First, an exponential controller is planned and the well-posed and exponential stability of the closed-loop system is derived. Next, an exponential observer is designed, whereby the exponential stability of the overall error system is shown. Then, an observer-based output feedback...
Journal Article
Automatic measurements of left ventricular volumes and ejection fraction by artificial intelligence: clinical validation in real time and large databases
Sindre Olaisen and others
European Heart Journal - Cardiovascular Imaging, Volume 25, Issue 3, March 2024, Pages 383–395, https://doi.org/10.1093/ehjci/jead280
Published: 26 October 2023
... in inter-observer scenarios and non-inferior in intra-observer scenarios. AI measurements showed good agreement with reference measurements both in real time and in large research databases. Conclusion The software reduced the time taken to perform and volumetrically analyse routine echocardiograms...
Journal Article
Observer-based SMC design for stochastic systems with Levy noise
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G Sangeetha and others
IMA Journal of Mathematical Control and Information, Volume 40, Issue 4, December 2023, Pages 673–690, https://doi.org/10.1093/imamci/dnad028
Published: 18 October 2023
... to the limited environmental conditions, the systems state information may not be totally observable in reality and some actual physical quantities may be unavailable or not found to represent its state information. In such situation, an observer-based SMC technique has become widely attractive among scholars...
Journal Article
Adaptive neural network observer for proton-exchange membrane fuel cell system
Abdelaziz El Aoumari and others
in
Clean Energy
Clean Energy, Volume 7, Issue 5, October 2023, Pages 1078–1090, https://doi.org/10.1093/ce/zkad048
Published: 18 October 2023
...Abdelaziz El Aoumari; Hamid Ouadi; Jamal El-Bakkouri; Fouad Giri From a theoretical point of view, contrary to [ 4 , 11 , 15 ], which do not offer any stability proof, this paper develops a stability study of the observer using the Lyapunov theory. The document is organized as follows. Section 1...
Journal Article
Sensor fault estimation based on L∞ unknown input observer
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Sheng Gao and others
IMA Journal of Mathematical Control and Information, Volume 40, Issue 4, December 2023, Pages 618–637, https://doi.org/10.1093/imamci/dnad024
Published: 20 September 2023
... of disturbances on fault estimation results. An unknown input observer (UIO) is proposed based on the L∞ performance index to achieve an asymptotic estimation of sensor faults. The design conditions of the L∞ UIO are deduced and solved using linear matrix inequalities...
Journal Article
Vesical Imaging-Reporting and Data System (VI-RADS): Inter-Observer Agreement and Impact of Reader's Experience
Shohenda Magdy Taha and others
QJM: An International Journal of Medicine, Volume 116, Issue Supplement_1, June 2023, hcad069.745, https://doi.org/10.1093/qjmed/hcad069.745
Published: 23 August 2023
... System (VI-RADS) is based on multiparametric MRI (mpMRI), to provide accurate information to differentiate between muscleinvasive bladder cancer (MIBC) and non-muscle –invasive bladder cancer (NMIBC). Aim of the Work To evaluate inter-observer agreement according to observer experience and diagnostic...
Journal Article
Integrating survey and observer data improves the predictions of New Zealand spatio-temporal models
A Grüss and others
ICES Journal of Marine Science, Volume 80, Issue 7, September 2023, Pages 1991–2007, https://doi.org/10.1093/icesjms/fsad129
Published: 22 August 2023
... by observers onboard fishing vessels while accounting for physical barriers (islands, convoluted coastlines). We demonstrated our framework for two bycatch species in New Zealand deepwater fisheries: spiny dogfish (Squalus acanthias) and javelinfish (Lepidorhynchus denticulatus). Results indicated...
Journal Article
Separation principle of delay perturbed singular systems
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Khawla Ben Mrad and Ines Ellouze
IMA Journal of Mathematical Control and Information, Volume 40, Issue 3, September 2023, Pages 560–577, https://doi.org/10.1093/imamci/dnad019
Published: 13 June 2023
...) with When , the origin is an equilibrium point, then we point the classical definition of globally uniformly exponential stability. We will illustrate the notion of practical exponential observer of a trajectory of ( 2.1 ) Abstract In this paper, we establish a separation principle for a class of time...
Journal Article
Output feedback backstepping control for non-linear systems using an adaptive finite time sliding mode observer
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Jiehua Feng and others
IMA Journal of Mathematical Control and Information, Volume 40, Issue 2, June 2023, Pages 306–331, https://doi.org/10.1093/imamci/dnad014
Published: 05 May 2023
... and external dynamics. An adaptive finite time sliding mode observer is first designed so that the system states, unmatched uncertain parameters and matched uncertainties can all be observed in finite time. Then, the systematic backstepping design procedure is employed to develop a novel output feedback...
Journal Article
Adaptive composite anti-disturbance control for heavy haul trains
Longsheng Chen and Hui Yang
Transportation Safety and Environment, Volume 6, Issue 1, February 2024, tdad009, https://doi.org/10.1093/tse/tdad009
Published: 11 March 2023
...-particles nonlinear dynamic model of HHTs is established, which can satisfy that the forces of vehicles in different positions are different. Subsequently, a radial basis function network (RBFNN) is employed to approximate the uncertainties of HHTs, and a nonlinear disturbance observer (NDO) is constructed...
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