iReclass - An automatic system for recording classes
Edson Lopes, Jos\'e Caetano, Ant\'onio Abreu, Frederico Grilo

TL;DR
iReclass is an automated video recording system for traditional classrooms that tracks the lecturer and responds to gestures to control recording scenarios, integrating sensors and motorized systems.
Contribution
It introduces a system that automatically records classroom lectures while tracking the instructor and interpreting gestures for control, combining multiple sensors and motorized components.
Findings
Successfully tracks lecturer movements in real-time
Recognizes five specific arm gestures for control
Automates classroom recording process
Abstract
This paper presents the details of a system capable of recording on video a traditional class. By traditional class it is meant a teacher, a blackboard and a white canvas where course notes are projected. The system is able to track the movements of the lecturer, while recording it on video at the required frame rate (e.g., 25 fps). The system is also capable of understanding five arm gestures made by the lecturer with the intent of controlling which scenario is recorded: himself, the blackboard or the white canvas. The remaining two gestures are for start/stop the recorder. The system is composed by a Kinect sensor, a video camera, a microphone, one pan-tilt system and one pan system, using a total of three step motors.
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Taxonomy
TopicsVideo Analysis and Summarization · Education and Technology Integration · Tactile and Sensory Interactions
