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Updated: Dec 21, 2025

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
Published on: December 15, 2023
Muhammad Asif Razzaq1, Ian Cleland2, Chris Nugent2
1Ubiquitous Computing Lab, Department of Computer Engineering, Kyung Hee University, Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea.
This study introduces a semantic imputation framework to enhance sensor data quality for human activity recognition (HAR) in smart environments. The approach improves classification accuracy using deep learning models, achieving up to 95.78%.
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