Information interaction method for teaching

Abstract

The invention discloses an information interaction method for teaching, which comprises a teaching information transmitting method aiming at a teacher and a response information transmitting method aiming at a student. The teaching information transmitting method comprises the following steps of: 1. logging a teacher client end and at least one student client end in an FMS (Flash Media Server) for obtaining respective network addresses; and 2. acquiring the teaching data information of a teacher and transmitting the teaching data information to the student client end by an RTMFP (Real Time Media Flow Protocol) through the teacher client end. The invention realizes the rapid share of data between the teacher and the student by the FMS; then, at least two cameras can simultaneously acquire teacher manuscript video data and teacher action video data; accordingly, the teacher and the student can transfer teaching information and response information by any paper document, such as conventional A4 paper; and as for a camera with more than two million pixels, No.5 characters on the A4 paper can be clearly acquired.

Description

technical field [0001] The invention relates to an information interaction method mainly used in the teaching field, in particular to a point-to-point or point-to-multipoint information interaction method. Background technique [0002] Existing distance teaching, or online teaching, mostly records the teaching process of the teacher through a video capture device, and then publishes the teaching video on the website for use by students in need. The disadvantages of this distance learning system are as follows: [0003] 1. This kind of teaching system cannot realize the real-time interaction between teachers and students, and students cannot give real-time feedback while listening to the teacher's teaching, nor can it realize the sharing of information between teachers and all students, that is, it cannot achieve the effect of classroom teaching; [0004] 2. This kind of teaching system cannot collect clear manuscript content and teaching actions in different planes at the s...

AI Technical Summary

Problems solved by technology

[0003] 1. This kind of teaching system cannot realize the real-time interaction between teachers and students, and students cannot give real-time feedback while listening to the teacher's teaching, nor can it realize the sharing of information between teachers and all students, that is, it cannot achieve the effect of classroom teaching;

[0004] 2. This kind of teaching system cannot collect clear manuscript content and teaching actions in different planes at the same time when the teacher is teaching. In this way, the teaching content obtained by the students is missing, and the best teaching effect cannot be achieved;

[0005] 3. This kind of teaching system uploads the teacher's teaching data information completely through the Internet. Therefore, the upload speed and download speed of the teaching video are greatly affected by the bandwidth. If the teacher wants to increase the upload speed, if the student wants to increase the download speed or use To obtain smooth lecture videos during online lectures, the corresponding client must have a large bandwidth;

[0006] 4. This kind of teaching system cannot achieve real-time zooming of video. If you want to zoom in on text or graphics, you can only adjust the focal length of the video capture device or adjust the distance between the content to be zoomed and the video capture device. This zoom method cannot be controlled by The teacher zooms in real time according to the needs, which not only needs the assistance of others, but also it is difficult to achieve the same accuracy as the picture zoom, which is not conducive to the smooth teaching

[0011] For the mentioned video real-time zooming problem, the existing real-time video zooming methods generally adopt the original linear interpolation algorithm and the hierarchical linear interpolation algorithm. The display effect of zooming is poor, especially when the change of the zoom ratio selected by the user is small, it is basically impossible to complete the zooming action selected by the user

Images