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Developing "Multifactor Asset Pricing Models" Using Threshold Regression Approach and Credit Risk Factor
Published 2025-03-01“…Methods To evaluate the performance of threshold asset pricing models, data from companies in the Iranian capital market (2001-2023) were used after applying common filters. …”
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Exercise capacity of male and female national team athletes in canoe slalom
Published 2025-08-01“…In the GXT, similar differences in power at the lactate threshold (LT) were observed (p < 0.001–0.028), except in Canoe Women. …”
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225
Composite fault feature extraction for gears based on MCKD-EWT adaptive wavelet threshold noise reduction
Published 2025-02-01“…Aiming at fault feature extraction and separation, an adaptive threshold denoising fault detection method based on Maximum correlated kurtosis deconvolution (MCKD) and Empirical wavelet transform (EWT) is proposed. …”
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226
Semi-Supervised Change Detection with Data Augmentation and Adaptive Thresholding for High-Resolution Remote Sensing Images
Published 2025-01-01“…To address the above problems, we propose a semi-supervised change detection method with data augmentation and adaptive threshold updating (DA-AT) for high-resolution remote sensing images. …”
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227
Seismic Random Noise Suppression Using Optimal ANFIS as an Adaptive Self-Tuning Filter and Wavelet Thresholding
Published 2024-01-01“…Thus, the WT is applied to the extracted signal, with different values of the adjusting parameters in the thresholding function, to attenuate the noise effectually. …”
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Study of Condenser Spatial State Model Based on Dynamic Thresholding of Environmentally Adaptive Multi-Dimension Eigenvalues
Published 2024-01-01“…Real time multi-dimension eigenvalues and normal means corresponding to the marine environment region are utilized for spatial quantification analysis of the condenser running status, the running status’s average during the sliding time window is used as the standard to determine whether the condenser running status is abnormal. Dynamic threshold and spatial state model calculations are performed using real data under different marine environment regions, its demonstrated that the proposed method accurately identifies the condenser running status.…”
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Public services and agglomeration effect under spatial structure: Threshold verification on the provincial capital cities in China.
Published 2025-01-01“…Six models were constructed using 2S-GMM to investigate the relationship between the public service expenditure and agglomeration effect. Meanwhile, the PTR method was employed to develop 36 models to assess the threshold effect of urban expansion scale and public service expenditure in the second city of the region, focusing on the influence mechanism of public service expenditure allocation on the agglomeration effect. …”
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Accurate image analysis of the retina using hessian matrix and binarisation of thresholded entropy with application of texture mapping.
Published 2014-01-01“…To address this, the earlier entropy-based binarization technique is repeated on the original image, but crucially, with a different threshold to incorporate the central reflex vessels. …”
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Methane (CH₄) emissions exceeding the threshold from chilli cultivation mulching practices in Sleman Regency, Indonesia
Published 2025-06-01“…Therefore, this study aimed to evaluate the effect of different mulching practices on CH₄ emissions and determine the threshold for sustainable chilli cultivation in tropical dryland conditions. …”
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Multi-Level Thresholding Based on Composite Local Contour Shannon Entropy Under Multiscale Multiplication Transform
Published 2025-05-01“…This paper proposes a Shannon entropy-based multi-level thresholding method that utilizes composite contours. …”
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Research and application of real-time monitoring and early warning thresholds for multi-temporal agricultural products information
Published 2020-10-01“…Based on the theory of abnormal fluctuation of agricultural product information and the research of substantive impact on the society, this paper comprehensively discussed the methods to determine the thresholds of agricultural product information fluctuation in different time dimensions. …”
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Optimizing rainfall-triggered landslide thresholds for daily landslide hazard warning in the Three Gorges Reservoir area
Published 2024-11-01“…The key findings of this study are as follows. (1) The optimal rainfall threshold models and calculation methods vary across different subregions, underscoring the necessity for tailored approaches. (2) The CNN-3D model substantially improves the accuracy of landslide susceptibility predictions. (3) The daily landslide hazard warnings were validated using anticipated rainfall data from 19 July 2020, thereby demonstrating the reliability of both the landslide hazard warning results and the rainfall threshold model. …”
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Data-driven thermal safety threshold analysis of friction component based on macro-micro interaction model
Published 2025-10-01“…Aiming at the temperature failure for wet friction pair within mechanical transmissions, this paper constructs a thermal-mechanical coupled simulation model to analyse the surface temperature field and proposes two types of characterization parameters for temperature field failure: the critical radial temperature difference (Tr) and the adjacent circumferential temperature difference (Tθ). …”
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Modeling inflation rate factors on present consumption price index in Ethiopia: threshold autoregressive models approach
Published 2023-09-01“…Objective The main purpose of this study was intended to modeling inflation rate factors on present consumption price index (CPI) in Ethiopia: using the threshold autoregressive (TAR) models. Methods The study was utilized the secondary data collected from monthly data of CPI for inflation rate from January 1994 to December 2020 which was obtained from central statistical Agency. …”
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Threshold effects of sleep duration and cognitive function in older adults with BMI ≥ 25 kg/m2
Published 2025-01-01“…However, there was a threshold effect where sleep duration reached the three inflection points.ConclusionIn overweight and obese older adults, there is a clear inverted U-shaped relationship between sleep duration and cognitive function, with consistent results across different subgroups. …”
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Validity of smartwatch-derived estimates of lactate threshold heart rate and pace compared to graded exercise testing
Published 2025-07-01“…Advances in smartwatch technology offer a non-invasive alternative for monitoring LT, though their measurement protocols and outcomes have been less validated.MethodsThis study evaluates the validity of three mainstream smartwatches (Huawei GT Runner®, Garmin Forerunner 265® or 265s®, and Coros Pace3®) in estimating lactate threshold heart rate (LT HR) and pace (LT Pace), comparing these to measurement protocols and results from the modified Dmax method in laboratory standards. …”
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Spatiotemporal Evolution and Driving Mechanisms of kNDVI in Different Sections of the Yangtze River Basin Using Multiple Statistical Methods and the PLSPM Model
Published 2025-01-01“…Compared to traditional correlation analysis and the geographical detector method, PLSPM, as a theoretically driven statistical method, can simultaneously process path relationships among multiple latent variables, effectively revealing the intensity and pathways of driving factors’ influences, while providing more credible and interpretable explanations for kNDVI variation mechanisms. …”
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Relation between speech-in-noise threshold, hearing loss and cognition from 40-69 years of age.
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