Automated Hand-Raising Detection in Classroom Videos: A View-Invariant and Occlusion-Robust Machine Learning Approach

Keyphrases

• View-invariant 100%
• Machine Learning Approach 100%
• Robust Machine Learning 100%
• Hand-raising Detection 100%
• Hand-raising 100%
• Classroom Video 37%
• Automated Detection 25%
• Cognitive Engagement 25%
• Body Pose 12%
• Occlusion 12%
• Detection Method 12%
• Human Observer 12%
• Video-based 12%
• F1 Score 12%
• Human Pose Estimation 12%
• Technical Perspective 12%
• Classroom Setting 12%
• Student Participation 12%
• Temporal Model 12%
• Long Short-term Memory Network 12%
• Mean Absolute Error 12%
• Situational Interest 12%
• Willingness to Participate 12%
• Academic Achievement 12%
• Large-scale Research 12%
• Automatic Coding 12%
• Classroom Discourse 12%
• Behavioral Engagement 12%
• Classroom Context 12%
• Camera Angle 12%
• Automated Annotation 12%
• Video Capturing 12%
• Classroom Participation 12%
• Active Classroom 12%
• Student Privacy 12%
• Occlusion Robust 12%
• Situational Involvement 12%
• Privacy-preserving Data Collection 12%

Computer Science

• Annotation 100%
• Machine Learning Approach 100%
• Cognitive Engagement 100%
• Invariant 50%
• Privacy Preserving 50%
• Mean Absolute Error 50%
• Classroom Context 50%
• Behavioral Engagement 50%
• Pose Estimation 50%
• Situational Interest 50%
• Lstm 50%

Social Sciences

• Guides 100%
• Short-Term Memory 50%
• Student Participation 50%
• Large-Scale Research 50%
• Classroom Participation 50%
• Discourse 50%