Patent ID: 11908344
Assignee: CENTRAL CHINA NORMAL UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 5:
6. The method of claim 5, wherein step (S1) comprises:
(S1-1) arranging the division wall 3 m in front of a blackboard or an electronic whiteboard in the classroom, so as to divide the classroom into the teaching activity area and the activity area of the student, wherein the division wall is embedded with a glass screen attached with the holographic film and the entry door; the teaching activity area is located inside the division wall and near the blackboard, and the activity area of the student is located outside the division wall; and the teacher is capable of talking with the student face to face by walking to the activity area of the students from the teaching activity area through the entry door;
(S1-2) constructing a holographic display environment, wherein the glass screen embedded in the division wall is configured to present fusion effect of the virtual teaching resources and the teacher; an ultra-short-focus holographic projector is installed in a middle of a top of the activity area of the student, with an initial position being set in a middle of a mobile guide rail; and LED lamps and LED flat soft lights are used as light sources according to needs of teacher's operation in the teaching activity area and students' viewing in the activity area of the student, respectively, wherein the LED lamps and the LED flat soft lights are different in brightness;
(S1-3) deploying the edge computing server, the electronic sand table and network environment in the teaching activity area, wherein the electronic sand table is configured to load and control teaching sources during the teaching process; arranging the RGB-D camera integrating time-of-flight (TOF) depth, microphone circular array and inertial measurement unit on a top of the teaching activity area, to collect voice, mouth shapes and the body movements of the teacher during the teaching process.