Suggested Topics within your search.
Suggested Topics within your search.
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1421
Rethinking composite quantification by capturing biological and ecological diversity across multiple dimensions
Published 2025-07-01“…We defined and measured overall biodiversity by integrating taxonomic, functional, genetic-, and niche-based diversity, lambda diversity, which expresses the cumulative sequential differences in communities along a gradient, and xi ecological integrative diversity combining community, spatial, and environmental heterogeneity. …”
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1422
A hybrid framework of generative deep learning for antiviral peptide discovery
Published 2025-07-01“…The performance of the WGAN-GP model was comprehensively evaluated, confirming its ability to produce diverse and functional peptide sequences. The model successfully generated and identified 815 novel AVPs, demonstrating its effectiveness in peptide generation and classification. …”
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1423
An Efficient Explainability of Deep Models on Medical Images
Published 2025-04-01“…Then, the visual explainability methods (GradCAM, LIME, Vanilla Gradient, Gradient Integrated Gradient and SmoothGrad) are performed to understand and explain the decisions made by these models. …”
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1424
Physiological and molecular responses of juvenile silver crucian carp (Carassius gibelio) to long-term high alkaline stress: Growth performance, histopathology, and transcriptomic...
Published 2024-12-01“…Meanwhile, histopathology of the gills showed structural changes, indicating that the physiological functions of juvenile silver crucian carp were impaired under alkaline conditions. …”
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1425
Combining rapid evaporative ionization mass spectrometry and chemometrics for the differentiation of cocoa bean quality
Published 2025-01-01“…Further analysis of the six classification models demonstrated the strong performance of gradient boosting machines, random forests, and neural networks in differentiating metabolite fingerprints based on the functionality of microbial co-cultures, with accuracy estimates of 85 %, 84 %, and 81 %, respectively. …”
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1426
Host species and temperature drive beech and Scots pine phyllosphere microbiota across European forests
Published 2024-11-01“…We characterized taxonomical and functional composition of epiphytic bacteria in the phyllosphere of beech and Scots pine across an environmental gradient from Fennoscandia to the Mediterranean area, with major changes in temperature and nitrogen deposition. …”
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1427
Enhanced rotator cuff tendon-bone interface regeneration with injectable manganese-based mesoporous silica nanoparticle-loaded dual crosslinked hydrogels
Published 2025-08-01“…IntroductionDuring the healing process, the functional gradient attachment of the rotator cuff (RC) tendon-bone interface fails to regenerate, which severely impedes load transfer and stress dissipation, thereby increasing the risk of retears. …”
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1428
Benthic Community Metrics Track Hydrologically Stressed Mangrove Systems
Published 2024-10-01“…Our results suggest that stable isotope niche metrics provide a useful tool for tracking mangrove degradation gradients. These baseline data provide critical information on the ecosystem functioning in mangrove habitats following hydrological restoration.…”
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1429
Establishing a novel model to assess exercise capacity in chronic heart failure based on stress echocardiography
Published 2024-12-01“…The analytical features of all patients in the four phases (rest, warm‐up, peak and recovery phases) of ESE included the following parameters: left ventricular (LV) systolic function, LV systolic function reserve, LV diastolic function, LV diastolic function reserve and right ventricular function. …”
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1430
Flow Topology of Three-Dimensional Spherical Flame in Shock Accelerated Flows
Published 2016-01-01“…And the joint probability density function (p.d.f.) of the Q-R diagram appears as a teardrop shape, which is a universal feature of turbulence. …”
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1431
A Physics‐Informed Neural Network as a Digital Twin of Optically Turbid Media
Published 2025-05-01“…Unlike previous approaches utilizing various deep neural network architectures that often function as black boxes, the method prioritizes interpretability, offering a clearer understanding of the underlying processes of light propagation through turbid media and estimating the transmission matrix. …”
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1432
Facial Expression Recognition with Multi-perspective Feature Fusion Under Deep Residual Convolution
Published 2023-04-01“…Then use the RReLu activation function to replace the original ReLu to avoid deactivation of some nodes when the gradient is large.Finally, the global average pooling layer is used instead of the fully connected layer to achieve dimensionality reduction, and the generated feature vector is sent to Softmax for classification Experiments show that the proposed method produces excellent results on the CK+ and RaFD datasets, which can effectively improve the accuracy of facial expression recognition.…”
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1433
Machine learning algorithms can predict emotional valence across ungulate vocalizations
Published 2025-02-01“…Summary: Vocalizations can vary as a function of their context of production and provide an immediate measure of an animal’s affective states. …”
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1434
Vehicle Lateral Control Based on Augmented Lagrangian DDPG Algorithm
Published 2025-05-01“…The actor-critic neural network based reinforcement learning framework is established and the environment of reinforcement learning is designed to include the vehicle model, tracking model, road model and reward function. Secondly, the augmented Lagrangian Deep Deterministic Policy Gradient (DDPG) method is proposed for updating, in which a replay separation buffer method is used to solve the problem of sample correlation, and a neural network with the same structure is copied to solve the update divergence problem. …”
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1435
The role of land use in terrestrial support of boreal lake food webs
Published 2025-04-01“…Our results demonstrate how cross-ecosystem transfer of organic matter can influence community dynamics in recipient ecosystems, with anthropogenic management of donor terrestrial ecosystems affecting the structure and function of food webs in recipient aquatic ecosystems.…”
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1436
A model for shale gas well production prediction based on improved artificial neural network
Published 2023-08-01“…To address these challenges, a novel approach is introduced, involving the construction of characteristic parameters based on physical meaning and random combination. The small batch gradient descent method(MBGD) is adopted as the training function to develop an improved artificial neural network prediction model for shale gas well production. …”
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1437
Multitarget Tracking of Pedestrians in Video Sequences Based on Particle Filters
Published 2012-01-01“…During the process of tracking, the algorithm uses the similarity between candidates and codebooks as observation likelihood function and processes severe occlusion condition to prevent drift and loss phenomenon caused by target occlusion. …”
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1438
A machine learning framework for predictive electron density modelling to enhance 3D NAND flash memory performance
Published 2024-12-01“…The dataset, which was derived using TCAD simulations, has a sizable number of samples that show the electron density as a function of channel length. We assess their performance using R2 scores and RMSE values using regression models such as Linear Regression, Random Forest, K-Neighbour Regressor, Decision Tree, Gradient Boosting, XGBRegressor, CatBoosting Regressor, and AdaBoost Regressor. …”
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1439
An Improved CO2-Crude Oil Minimum Miscibility Pressure Correlation
Published 2015-01-01“…On the basis of 210 groups of CO2-crude oil system minimum miscibility pressure data, an improved CO2-crude oil system minimum miscibility pressure correlation was built by modified conjugate gradient method and global optimizing method. The new correlation is a uniform empirical correlation to calculate the MMP for both thin oil and heavy oil and is expressed as a function of reservoir temperature, C7+ molecular weight of crude oil, and mole fractions of volatile components (CH4 and N2) and intermediate components (CO2, H2S, and C2~C6) of crude oil. …”
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1440
Pressure Performance Analysis of Inclined Well under Multiple-Well Interference in Offshore Heavy Oil Reservoir
Published 2022-01-01“…In this paper, the threshold pressure gradient of heavy oil and the stress sensitive to permeability are considered comprehensively, and a well test model of inclined wells in dual-media reservoirs under multiwell interference is established. …”
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