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All Journal Journal of Vocational, Informatics and Computer Education
Annahl Riadi
Universitas Ichsan Sidenreng Rappang, Indonesia
Computer Science & IT Education

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Classification of Students' Facial Expressions Utilizing Convolutional Kolmogorov–Arnold Networks (C-KANs) and Classroom Teaching Methods Classification Employing ResNet-152 Hutami Endang; Annahl Riadi; Alif Fauzan; Andi Jamiati Paramita; Furqan Zakiyabarsi; Hany Alexanders
Journal of Vocational, Informatics and Computer Education Vol 4, No 2 (2026): June 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/voice.v4i2.859

Abstract

Purpose - This study proposes a deep learning parallel dual-classification framework utilizing a lightweight Convolutional Kolmogorov–Arnold Network (C-KAN) to recognize six classes of students' facial expressions and a ResNet-152 to classify three types of teaching methods.Methods - The parallel framework routes micro-student expressions and macro-classroom contexts separately. The C-KAN model features a two-pronged architecture combining 96×96 pixel grayscale facial images with 9 geometric features from 68 landmarks, while ResNet-152 processes 256×256 pixel RGB full-classroom frames. Findings - Evaluated on elementary school recordings (9,130 teaching method images and 2,069 facial expression instances), ResNet-152 achieved 95% accuracy (0.94 macro F1-score). Meanwhile, C-KAN achieved 87% accuracy (0.86 macro F1-score) across six facial expressions.Research implications - By leveraging learnable B-spline functions, C-KAN models complex non-linear micro-expressions accurately with only 4.1 million parameters. This structural efficiency slashes inference time to 11 ms, proving its high viability for real-time edge-computing analytics.Originality - His framework introduces a dual-perspective routing approach. Integrating spline-based C-KAN provides high discriminative power with low computational overhead, supporting evidence-based, automatic evaluation of classroom learning.
Co-Authors Alif Fauzan Andi Jamiati Paramita Furqan Zakiyabarsi Hany Alexanders Hutami Endang