CLASSROOM TEACHING COGNITIVE LOAD MEASURING SYSTEM

WIPO Patent Application WO/2020/010785

A1

The present invention relates to the education informatization field, and provides a classroom cognitive load measuring system, comprising: a task completion degree feature collection module, configured to record a question answering response duration and question answering accuracy of a student when completing a task; a cognitive load self-rating collection module, configured to quantitatively analyze psychological effort degree and task subjective difficulty of the student; an expression and attention feature collection module, configured to collect a classroom performance video of the student and count a smiling duration and a fixation duration of the student according to a video analysis result; a feature fusion module, configured to fuse the six indexes into a feature vector; and a cognitive load determining module, configured to send the feature vector into a classifier to identify a classroom cognitive load level of the student. By means of the present invention, a cognitive load of the student in a classroom can be objectively, quickly, and accurately rated, thereby helping a teacher to improve organization and presentation modes of learning materials, reducing external cognitive loads caused thereby, and improving the teaching effect.

YANG ZONGKAI (CN)
CHEN JINGYING (CN)
LIU SANNVYA (CN)
XU RUYI (CN)
ZHANG KUN (CN)
LIU LEYUAN (CN)
PENG SHIXIN (CN)
DAI ZHICHENG (CN)

PCT/CN2018/118077

January 16, 2020

November 29, 2018

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UNIV CENTRAL CHINA NORMAL (CN)

G06V10/764

CN107025616A	2017-08-08
CN101840506A	2010-09-22
CN107331228A	2017-11-07
CN107411737A	2017-12-01

WUHAN DONGYU PATENT AGENCY (CN)

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