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7641
Machine Learning-Based Environment-Aware GNSS Integrity Monitoring for Urban Air Mobility
Published 2024-11-01“…This study introduces a novel machine learning-based GNSS integrity monitoring framework that incorporates environment recognition to create environment-specific error models. Using a comprehensive Hardware-in-the-Loop (HIL) simulation setup, extensive data were generated for suburban, urban, and urban canyon environments to train and validate the models. …”
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7642
Multi-Task Learning for Joint Indoor Localization and Blind Channel Estimation in OFDM Systems
Published 2025-06-01“…Results based on experimental data using the proposed solution show a 50th percentile localization error of 1.62 m for 3-tap channels and 0.89 m for 10-tap channels.…”
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7643
Reliability and validity of OpenPose for measuring HKA angle in dynamic walking videos in patients with knee osteoarthritis
Published 2025-07-01“…Compared with radiography, the pose estimation method exhibited a fixed error of 0.131°. This is the first study to examine the feasibility of measuring the HKA angle from frontal-view videos of patients walking normally by using the pose estimation method. …”
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7644
Transfer Learning-Based Detection of Pile Defects in Low-Strain Pile Integrity Testing
Published 2025-07-01“…Low-strain pile integrity testing (LSPIT) is widely used for defect detection; however, conventional manual interpretation of reflectograms is both time-consuming and susceptible to human error. This study presents a deep learning-driven approach utilizing transfer learning with convolutional neural networks (CNNs) to automate pile defect detection. …”
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7645
Broadband Polarization-Insensitive Metamaterial Perfect Absorbers Using Topology Optimization
Published 2016-01-01“…Here, nontapered shape-optimized HMM absorbers are proposed, which facilitates the fabrication and promotes the large-area applications such as thermophotovoltaics (TPV). In the synthesis of the optimal patterns, we use 5-harmonic rigorously coupled wave analysis (RCWA) and experimental trials to shorten the trial-and-error time. …”
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7646
Unveiling the hidden depths: advancements in underwater image enhancement using deep learning and auto-encoders
Published 2024-11-01“…The performance of the model is evaluated and compared with various traditional and deep learning based image enhancement techniques using the quality measures structural similarity index (SSIM), peak signal-to-noise ratio (PSNR) and mean squared error (MSE). This research aims to address the critical limitations of current techniques by offering a superior method for underwater image enhancement by improving color fidelity and better information extraction capabilities for various applications. …”
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7647
Robust higher-order numerical scheme for solving time-fractional singularly perturbed parabolic partial differential equations with large delay in time
Published 2025-07-01“…The uniform stability analysis and the bounds of the truncation error are performed. The convergence of the numerical scheme is proved in the maximum norm. …”
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7648
Calculating the Optimal Point Cloud Density for Airborne LiDAR Landslide Investigation: An Adaptive Approach
Published 2024-12-01“…In this study, we propose a method to quantify DEM quality by combining the RMSE of elevation and terrain complexity, analyzing the DEM quality error curves constructed with different point cloud densities by a discrete difference peak-seeking method, to determine the optimal ground point density, and then constructing an ICP-NN algorithm for predicting the collected point cloud density. …”
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7649
A novel framework to identify delamination location/size in BFRP pipe based on convolutional neural network (CNN) algorithm hybrid with capacitive sensors
Published 2025-05-01“…The proposed method results converge with available traditional methods in the literature for assessing the delamination location/size such as the response surface methodology (RSM), and the error band from the diagonal line is less than 4.86 and 1.14 degrees for location and size respectively, thus validating the proposed technique's reliability, accuracy, and applicability for the relevant structures.…”
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7650
Correctness Coverage Evaluation for Medical Multiple-Choice Question Answering Based on the Enhanced Conformal Prediction Framework
Published 2025-05-01“…Empirical results demonstrate that the enhanced CP framework achieves user-specified average (or marginal) error rates on the test set. Moreover, the results show that the test set’s average prediction set size (APSS) decreases as the risk level increases. …”
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7651
Event-Based Visual/Inertial Odometry for UAV Indoor Navigation
Published 2024-12-01“…Compared with the state-of-the-art U-SLAM algorithm, our approach achieves a substantial reduction in the mean positional error and RMSE in simulated environments, showing up to 50% and 47% reductions along the <i>x</i>- and <i>y</i>-axes, respectively. …”
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7652
Prediction of instability of formwork concrete pier based on big data machine learning for secondary mining without coal pillar mining
Published 2025-05-01“…A Gaussian process regression (GPR)-based stress prediction model was developed (optimal kernel: ARD-Rational-Quadratic-Kernel, with MSE = 1.3463, RMSE = 1.1603, MAE = 0.6138, and MAPE = 0.4041), demonstrating significantly higher accuracy than linear regression models (error reduced by 1–2 orders of magnitude) and BP neural networks (MSE = 2.0962). …”
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7653
Adaptive-optical 3D microscopy for microfluidic multiphase flows
Published 2024-09-01“…We demonstrate that the adaptive optics correction is able to reduce this systematic error. Hence, the adaptive optics system can pave the way to a deeper understanding of water droplet formation and detachment which can help to improve the efficiency of fuels cells.…”
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7654
Feasibility of EfficientDet-D3 for Accurate and Efficient Void Detection in GPR Images
Published 2025-06-01“…Traditional methods of analyzing ground-penetrating radar (GPR) data are labor-intensive and error-prone. This study presents a novel approach using the EfficientDet-D3 deep learning model for automated void detection in GPR images. …”
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7655
Gradient Boosting-Based Simultaneous Classification and Regression Approach
Published 2025-01-01“…The optimization of this dual task is formulated using a novel joint cost function that minimizes the total error of both classification and regression tasks during the learning phase. …”
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7656
Leveraging Hybrid RF-VLP for High-Accuracy Indoor Localization with Sparse Anchors
Published 2025-05-01“…Comprehensive experiments are performed to evaluate the performance of the positioning system, and the results show that the proposed system achieves an overall root mean square error (RMSE) of 26.1 cm, representing a 28.5% improvement in positioning accuracy compared to traditional RF-based positioning methods, which makes it highly feasible for deployment.…”
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7657
A Novel Framework for Road Information Extraction From Low-Cost MMS Point Clouds
Published 2024-01-01“…The results showed that the mean absolute error for longitudinal slope in the forward and return directions was 0.1% and 0.08%, respectively, while the cross-slope values exhibited deviations of 0.19% and 0.21% compared to the reference data. …”
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7658
Student’s t Kernel-Based Maximum Correntropy Criterion Extended Kalman Filter for GPS Navigation
Published 2025-08-01“…A fixed-point iterative algorithm is used for state update, and a new posterior error covariance expression is derived. The simulation results demonstrate that STMCCEKF outperforms conventional filters in positioning accuracy and robustness, particularly in environments with impulsive noise and multipath interference. …”
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7659
Enhanced Pose Estimation for Badminton Players via Improved YOLOv8-Pose with Efficient Local Attention
Published 2025-07-01“…The experimental results show that the proposed ELA-enhanced YOLOv8-Pose model consistently achieves superior accuracy across multiple evaluation metrics, including the mean squared error (MSE), object keypoint similarity (OKS), and percentage of correct keypoints (PCK), highlighting its effectiveness and potential for broader applications in sports vision tasks.…”
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7660
A VMD-TCN-Based Method for Predicting the Vibrational State of Scaffolding in Super High-Rise Building Construction
Published 2025-03-01“…Compared to predictions using raw, undecomposed signals, the VMD-TCN model reduces the root mean square error (RMSE) by 43.9%, 43.2%, and 34.7% for 1 min, 3 min, and 5 min prediction tasks, respectively, while improving the coefficient of determination (R<sup>2</sup>) by 21.0%, 33.0%, and 37.6%. …”
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