- In the realm of educational technology, predicting and enhancing student engagement is crucial for optimizing learning outcomes. This study introduces a novel approach to student engagement prediction by leveraging facial expression analysis through Recurrent Neural Networks (RNNs). The proposed model aims to decipher the intricate relationship between students’ facial expressions and their level of engagement during classroom activities.
- The research employs a dataset consisting of facial expression sequences captured in real-time classroom settings. Facial landmarks and expressions are extracted using computer vision techniques, and these features are then fed into an RNN architecture to capture temporal dependencies and patterns in students’ reactions. The RNN model is designed to learn the dynamic nature of facial expressions over time, enabling it to recognize subtle changes indicative of variations in engagement levels.
- To train and evaluate the model, ground truth labels for student engagement are collected through manual annotations and observational methods. The performance of the proposed model is compared against traditional engagement assessment methods, demonstrating its efficacy in providing accurate and timely predictions.
- The findings of this research hold potential for practical applications in educational settings. Educators and administrators can utilize the developed model to gain insights into students’ engagement levels, allowing for timely interventions and personalized instructional strategies. Additionally, the study contributes to the growing field of affective computing in education, opening avenues for further research in understanding and enhancing the student learning experience.
- This study explores the application of k-Nearest Neighbors (kNN) for predicting student engagement in educational settings, with a comprehensive examination of its advantages and disadvantages. The kNN algorithm is utilized to predict engagement levels based on historical data, considering various features related to student interactions, attendance, and participation.
- The research begins by preprocessing and selecting relevant features from the dataset, including but not limited to attendance records, assignment completion rates, and participation metrics. These features serve as the basis for the kNN algorithm, which classifies a student’s engagement level by considering the engagement patterns of its k-nearest neighbors.
- While kNN is known for its simplicity and ease of implementation, this study critically evaluates its limitations in the context of student engagement prediction. One major disadvantage lies in its sensitivity to irrelevant features and noise, which can affect the accuracy of predictions. The impact of feature selection and noise reduction techniques on the model’s performance is thoroughly analyzed.
- Furthermore, the study addresses the challenge of determining the optimal value for the ‘k’ parameter in kNN, emphasizing the trade-off between model sensitivity and robustness. The computational cost associated with large datasets and the need for efficient algorithms to handle the increased complexity are also discussed as potential drawbacks.
- k-Nearest Neighbors (kNN) is a simple and intuitive algorithm for classification and regression tasks, but it has certain disadvantages and limitations that should be considered:
- Computational Complexity: The kNN algorithm has a high computational cost, especially as the size of the dataset increases. Since it requires calculating distances between the query instance and all other instances in the dataset, the time complexity can be significant. This makes it less efficient for large datasets.
- Memory Usage: In addition to computational complexity, kNN requires storing the entire dataset in memory. This can be impractical for large datasets, leading to increased memory usage and potential scalability issues.
- Sensitivity to Feature Scale: kNN is sensitive to the scale of features. Features with larger scales can dominate the distance metric, potentially leading to biased results. Normalizing or standardizing features becomes crucial to mitigate this issue.
- Curse of Dimensionality: As the number of features (dimensions) increases, the distance between instances also increases. In high-dimensional spaces, instances may appear equidistant, which can impact the performance of the kNN algorithm. Feature selection or dimensionality reduction techniques may be needed to address this problem.
- In the modern educational landscape, predicting and enhancing student engagement is crucial for optimizing learning outcomes. This paper introduces a novel system for student engagement prediction leveraging the capabilities of Recurrent Neural Networks (RNNs). The proposed system aims to capture temporal dependencies in facial expression sequences, providing real-time insights into student engagement levels during classroom activities.
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