Category: 7. Maths

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  • Accurate multi-category student performance forecasting at early stages of online education using neural networks

    Accurate multi-category student performance forecasting at early stages of online education using neural networks

    In this section, we present the VLE dataset details, its pre-processing, and building and training of the neural network model. Figure 2 depicts the block diagram of our experimental workflow.

    Dataset

    For training ML models, we employed an OULA…

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  • An object detection model AAPW-YOLO for UAV remote sensing images based on adaptive convolution and reconstructed feature fusion

    An object detection model AAPW-YOLO for UAV remote sensing images based on adaptive convolution and reconstructed feature fusion

    Experimental settings

    Configuration

    The operating system is Windows 10 Professional. The model is based on the PyTorch framework and uses GPU for training. The GPU used in the experiments is the NVIDIA Tesla T4, with CUDA version 11.1, PyTorch…

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  • Mitigating class imbalance in churn prediction with ensemble methods and SMOTE

    Mitigating class imbalance in churn prediction with ensemble methods and SMOTE

    Financial companies are increasingly utilizing data insights and advanced analytics techniques to predict churn and retain valuable customers. Exploratory data analysis (EDA) is used to analyze collected data, identifying outliers and potential…

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  • Multi-user joint task offloading and resource allocation based on mobile edge computing in mining scenarios

    Multi-user joint task offloading and resource allocation based on mobile edge computing in mining scenarios

    In this section, we present experimental validation and discussion of the proposed IGA-DDPG algorithm. Consider a mining edge computing scenario with a mining working face area of 600\(\times\)600 square meters. In this area, an MEC server and a…

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  • R-AFPN: a residual asymptotic feature pyramid network for UAV aerial photography of small targets

    R-AFPN: a residual asymptotic feature pyramid network for UAV aerial photography of small targets

    In this paper, we propose a residual asymptotic feature pyramid network structure based on same-scale connectivity, named R-AFPN, and its general architecture is shown in Fig. 1. The network takes CSP-Darknet53 as the backbone network and…

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