Teaching assessment method

A teaching evaluation and user technology, applied in the field of teaching evaluation, can solve the problems of poor evaluation effect, incomplete cooperation, and inability to quickly and accurately reflect the teacher's teaching level and the student's reception effect, so as to improve the efficiency of lesson preparation and the teaching effect. Effect

Inactive Publication Date: 2019-07-05
天津玥食通科技有限公司
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  • Abstract
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Problems solved by technology

However, most of the time, students will hide their true thoughts and not fully cooperate, which makes the evaluation work cumbersome and the e

Method used

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Examples

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Embodiment Construction

[0013] The specific implementation of the present invention will be further described below in conjunction with the examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present invention.

[0014] A method for teaching evaluation, comprising: acquiring a video recording a user's face; determining the position of the user's face in the video, and extracting the position of key points of the face; The state judges whether the user closes eyes, yawns and nods, and calculates the number of times the user closes eyes, yawns and nods respectively; evaluates the teaching quality of the course according to the number of times the user closes eyes, yawns and nods;

[0015] The step of acquiring and recording the video of the user's facial expression includes: using a camera or a video recorder to record the video containing the user's face.

[0016] The step of determinin...

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Abstract

The invention discloses a teaching assessment method, which is characterized by comprising the following steps of: obtaining a video for recording a user face; determining a face position of a user inthe video, and extracting a face key point position of the face position; judging whether the user closes eyes, hits and notes or not according to the change state of the positions of the face key points, and calculating the number of times of eye closing, hits and notes of the user respectively; evaluating the teaching quality of the course according to the number of times of eye closing, yawingand nodding of the user; performing the step of acquiring the video for recording the facial expression of the user comprises the following steps: recording the video containing the facial expressionof the user by adopting a camera or a video recorder; and determining a face position of a user in the video, and extracting a face key point position of the face position, comprising the following steps: extracting a face image of the user in the video by adopting a face detector, and calibrating an initial position of each key point in the face image.

Description

technical field [0001] The invention relates to a teaching evaluation method. Background technique [0002] With the development of Internet technology, distance education (online education) has gradually entered daily life and become a means for people to learn knowledge. Distance education breaks through geographical restrictions and makes the course capacity very large. Often, one teacher corresponds to many students. Therefore, how to evaluate the teaching quality is a big problem. [0003] Teaching evaluation in the traditional sense usually considers the atmosphere of the classroom, teaching content, etc., or judges the quality of teaching through students' ratings on the teacher's courses. However, most of the time, students will hide their true thoughts and not fully cooperate, which makes the evaluation work cumbersome and the evaluation effect is not good, and it cannot quickly and accurately reflect the teacher's teaching level and the actual reception effect of ...

Claims

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Application Information

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IPC IPC(8): G06Q50/20G06K9/00
CPCG06Q50/205G06V40/176G06V40/168
Inventor 沈洋杨涛
Owner 天津玥食通科技有限公司
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