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Forest canopy closure estimation in mountainous southwest China using multi-source remote sensing data
Published 2025-08-01“…Then, the multi-source remote sensing image Sentinel-1/2 and terrain factors were combined to perform regional-scale FCC remote sensing estimation based on the geographically weighted regression (GWR) model. The research results showed that (1) among the 50 extracted ATLAS LiDAR feature indices, the best footprint-scale modeling factors are Landsat_perc, h_dif_canopy, asr, h_min_canopy, toc_roughness, and n_touc_photons after random forest (RF) feature variable optimization; (2) among the BO-RFR, BO-KNN, and BO-GBRT models developed at the footprint scale, the FCC results estimated by the BO-GBRT model were the best (R2 = 0.65, RMSE = 0.10, RS = 0.079, and P = 79.2%), which was used as the FCC estimation model for 74,808 footprints in the study area; (3) taking the FCC value of ATLAS footprint scale in forest land as the training sample data of the regional-scale GWR model, the model accuracy was R2 = 0.70, RMSE = 0.06, and P = 88.27%; and (4) the R² between the FCC estimates from regional-scale remote sensing and the measured values is 0.70, with a correlation coefficient of 0.784, indicating strong agreement. …”
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Application of Machine Learning Techniques to Classify Twitter Sentiments Using Vectorization Techniques
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Enhanced Viral Genome Classification Using Large Language Models
Published 2025-05-01Get full text
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Finding high posterior density phylogenies by systematically extending a directed acyclic graph
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Comparison of 7 artificial intelligence models in predicting venous thromboembolism in COVID-19 patients
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AI in Medical Questionnaires: Innovations, Diagnosis, and Implications
Published 2025-06-01“…Despite the positive findings, only 21% (3/14) of the studies had entered the clinical validation phase, whereas the remaining 79% (11/14) were still in the exploratory phase of research. …”
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An artificial intelligence approach to palaeogeographic studies: a case study of the Late Ordovician brachiopods of Laurentia
Published 2025-06-01“…Based on the training algorithm and after 146 periods, the training error decreased, but the validation error increased (Fig. 7). …”
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Predicting Livestock Farmers’ Attitudes towards Improved Sheep Breeds in Ahar City through Data Mining Methods
Published 2024-10-01“…Next, we employed data mining-based methods, including multilayer perceptron neural networks, random forest, and random tree algorithms. These helped identify essential variables affecting ranchers’ attitudes. …”
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Post-hoc Evaluation of Sample Size in a Regional Digital Soil Mapping Project
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Wetland Gain and Loss in the Mississippi River Bird‐Foot Delta
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