SYSTEM AND METHOD FOR MONITERING PEN

摘要

In the process of monitoring a pen, the present invention comprises a step of receiving a real-time video stream and a real-time audio stream separately from a video sensor and an audio sensor installed in a pen; a step of calculating an average pitch value by sections using the audio stream; a step of calculating the amount of motions by sections from the video stream; a step of detecting an abnormal audio section based on the pitch value and a predetermined pitch threshold; a step of detecting an abnormal video section based on the amount of motions and a predetermined motion amount threshold; a step of synchronizing the sections of the audio and video streams; a step of detecting, among the synchronized sections, a section having abnormal situations including at least one among the abnormal audio and video sections; and a step of giving an alarm according to the detected section having abnormal situations. [Reference numerals] (110) Audio receiving unit; (120) Video receiving unit; (130) Abnormal audio detecting unit; (140) Abnormal video detecting unit; (150) Abnormal situation determination unit; (160) Storage unit; (200) Administrator terminal; (AA) Real-time audio stream; (BB) Real-time video stream