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041 _aengtag
050 _aQA268.5 B45 2025
082 _a.
100 1 _aBelmonte, Kricel M.; Quilop, Kyla Johnine D.
245 _aEnhancing local binary pattern – support vector machine (LBP-SVM) for improved facial emotion classification
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300 _bUndergraduate Thesis: (Bachelor of Science in Computer Science) - Pamantasan ng Lungsod ng Maynila, 2025
336 _2 text
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337 _2unmediated
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338 _2volume
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505 _aABSTRACT: Supervised Machine Learning algorithm like Support Vector Machines (SVMs), has emerged as powerful tools for classification, regression, and anomaly detection tasks. However, despite their high potential for facial emotion classification, SVMs face several challenges, including manual hyperparameter tuning, overfitting in handling overlapping classes and noisy features, and failure to effectively detect action units. Addressing these challenges is important in improving the accuracy and robustness of Facial Emotion Recognition (FER) systems. This study proposed improvements to the Local Binary Pattern – Support Vector Machine (LBP-SVM) framework by incorporating several key techniques. The Grid Search will be used to automatically select the optimal value for C and gamma parameters. For overfitting and noisy features, Recursive Feature Elimination will be used to select the features that contribute the most to class separability. Finally, to further enhance the accuracy of the model, the researchers also combined the features extracted from Facial Action Units to capture the dynamic characteristics of facial expressions. Experimental results on the CK+ datasets show that the enhanced LBP-SVM achieves a highest mean accuracy of 98.34% across 10-fold cross-validation, demonstrating improved robustness in recognizing subtle and complex emotional expressions.
526 _aF
655 _aacademic writing
942 _2lcc
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