CN109460488B - Auxiliary teaching method and system - Google Patents
Auxiliary teaching method and system Download PDFInfo
- Publication number
- CN109460488B CN109460488B CN201811369583.XA CN201811369583A CN109460488B CN 109460488 B CN109460488 B CN 109460488B CN 201811369583 A CN201811369583 A CN 201811369583A CN 109460488 B CN109460488 B CN 109460488B
- Authority
- CN
- China
- Prior art keywords
- teaching
- video
- teaching video
- knowledge points
- video clips
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Tourism & Hospitality (AREA)
- Health & Medical Sciences (AREA)
- Economics (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention belongs to the technical field of teaching guidance, and discloses an auxiliary teaching method and an auxiliary teaching system, wherein the method comprises the following steps: establishing a video library comprising a plurality of teaching video clips, and marking knowledge points of the teaching video clips; acquiring knowledge points to be solved input by a user; matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips; and pushing the target teaching video clip to the user. According to the invention, by establishing the video library comprising a plurality of teaching video segments and marking the knowledge points corresponding to the teaching video segments, when the user inputs the knowledge points to be solved, the corresponding teaching video segments can be accurately found according to the knowledge points marked by the teaching video segments, so that the user can learn the explanation of the knowledge points to be solved, the solution can be assisted without manual answering, and the learning efficiency of students is improved.
Description
Technical Field
The invention belongs to the technical field of teaching guidance, and particularly relates to an auxiliary teaching method and an auxiliary teaching system.
Background
Along with the progress of technology and the development of social economy, education means, teaching modes and education forms are continuously changed, and people prefer to learn on electronic equipment such as computers.
Currently, students generally study on electronic devices such as computers and the like in a system learning mode according to recorded teaching videos and the like. The duration of teaching video generally is more than an hour, all contain a plurality of knowledge points in every teaching video, different mr is when recording the teaching video, it is also different to the length of time of explanation of knowledge point, therefore, when the student meets certain knowledge point and does not understand in daily study, at first can't find the teaching video who contains this knowledge point from magnanimity teaching video, more can't pinpoint the position of this knowledge point in the teaching video, so that can't acquire corresponding knowledge point explanation, and need just can assist the answer with the help of artifical question answering, influence student's learning efficiency.
Disclosure of Invention
The invention aims to provide an auxiliary teaching method and an auxiliary teaching system, which are used for improving the learning efficiency of students by recommending knowledge point explanation to the students.
The technical scheme provided by the invention is as follows:
in one aspect, an assistant teaching method is provided, which includes:
establishing a video library comprising a plurality of teaching video clips, and marking knowledge points of the teaching video clips;
acquiring knowledge points to be solved input by a user;
matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
and pushing the target teaching video clip to the user.
Preferably, after the creating a video library including a plurality of teaching video segments and marking the knowledge points of the teaching video segments, before the acquiring the knowledge points to be solved input by the user, the method further includes:
establishing a test question library, and marking knowledge points of each test question investigation in the test question library;
classifying the test questions in the test question library according to the investigated knowledge points;
establishing a corresponding relation between the teaching video clip and the test questions according to the knowledge points marked by the teaching video clip and the knowledge points marked by the test questions;
the step of matching the knowledge points to be solved with the teaching video clips in the video library according to the knowledge points marked by the teaching video clips to obtain the target teaching video clips further comprises the following steps:
obtaining test questions corresponding to the target teaching video clips according to the target teaching video clips;
and pushing the test questions corresponding to the target teaching video clips to the user.
Preferably, the establishing a video library including a plurality of teaching video segments, and the marking knowledge points of the teaching video segments specifically includes:
acquiring a large number of teaching videos, and extracting text information of teaching slides contained in the teaching videos and the time of the teaching slides appearing in the teaching videos;
segmenting the teaching video according to the text information of the teaching slide and the time of the teaching slide appearing in the teaching video to obtain a plurality of teaching video segments;
marking knowledge points of the teaching video clips according to the text information;
and establishing a video library according to the obtained plurality of teaching video clips.
Preferably, the segmenting the teaching video according to the text information of the teaching slide and the time of the teaching slide appearing in the teaching video to obtain a plurality of teaching video segments specifically includes:
judging whether the two adjacent teaching slides belong to the same knowledge point or not according to the text information of the two adjacent teaching slides;
if two adjacent teaching slides belong to the same knowledge point, continuously judging whether the two spaced teaching slides belong to the same knowledge point;
and if the two adjacent teaching slides do not belong to the same knowledge point, segmenting the teaching video according to the time of the two adjacent teaching slides appearing in the teaching video to obtain a plurality of teaching video segments.
Preferably, after establishing a video library including a plurality of teaching video clips and marking knowledge points of the teaching video clips, the method further includes:
classifying the teaching video clips according to the knowledge points marked by the teaching video clips;
the step of matching the knowledge point to be solved with the teaching video clips in the video library to obtain the matched teaching video clips as target teaching video clips specifically comprises the following steps:
determining the type of the knowledge point to be solved;
according to the type of the knowledge point to be solved, finding a teaching video clip matched with the type of the knowledge point to be solved in the video library as a teaching video clip set to be selected;
and matching the knowledge points to be solved with the videos to be selected in the teaching video clip set to obtain matched teaching video clips to be selected as target teaching video clips.
In another aspect, an assistant teaching system is provided, including:
the video library establishing module is used for establishing a video library comprising a plurality of teaching video clips and marking knowledge points of the teaching video clips;
the knowledge point acquisition module to be solved is used for acquiring the knowledge points to be solved input by the user;
the matching module is used for matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
and the video pushing module is used for pushing the target teaching video clip to the user.
Preferably, the method further comprises the following steps:
the test question bank establishing module is used for establishing a test question bank and marking the knowledge points of each test question investigation in the test question bank;
the test question classification module is used for classifying the test questions in the test question bank according to the investigated knowledge points;
the corresponding relation establishing module is used for establishing the corresponding relation between the teaching video clip and the test questions according to the knowledge points marked by the teaching video clip and the knowledge points marked by the test questions;
the test question acquisition module is used for acquiring test questions corresponding to the target teaching video clip according to the target teaching video clip;
and the test question pushing module is used for pushing the test questions corresponding to the target teaching video clips to the user.
Preferably, the video library establishing module includes:
the device comprises an acquisition and extraction unit, a display unit and a display unit, wherein the acquisition and extraction unit is used for acquiring a large number of teaching videos and extracting text information of teaching slides contained in the teaching videos and the time of the teaching slides appearing in the teaching videos;
the video segmentation unit is used for segmenting the teaching video according to the text information of the teaching slide and the time of the teaching slide appearing in the teaching video to obtain a plurality of teaching video segments;
the knowledge point marking unit is used for marking the knowledge points of the teaching video clip according to the text information;
and the video library establishing unit is used for establishing a video library according to the obtained plurality of teaching video clips.
Preferably, the video segmentation unit includes:
the judging subunit is used for judging whether the two adjacent teaching slides belong to the same knowledge point according to the text information of the two adjacent teaching slides; the device is also used for continuously judging whether two adjacent teaching slides belong to the same knowledge point or not if the two adjacent teaching slides belong to the same knowledge point;
and the video segmentation subunit is used for segmenting the teaching video according to the time of the two adjacent teaching slides appearing in the teaching video to obtain a plurality of teaching video clips if the two adjacent teaching slides do not belong to the same knowledge point.
Preferably, the method further comprises the following steps:
the video classification module is used for classifying the teaching video clips according to the knowledge points marked by the teaching video clips;
the matching module includes:
the type determining unit is used for determining the type of the knowledge point to be solved;
the searching unit is used for finding out a teaching video clip matched with the type of the knowledge point to be solved in the video database as a teaching video clip set to be selected according to the type of the knowledge point to be solved;
and the matching unit is used for matching the knowledge points to be solved with the videos to be selected in the teaching video clip set to be selected, and obtaining the matched teaching video clips to be selected as target teaching video clips.
Compared with the prior art, the auxiliary teaching method and the system provided by the invention have the following beneficial effects:
1. according to the invention, by establishing the video library comprising a plurality of teaching video segments and marking the knowledge points corresponding to the teaching video segments, when the user inputs the knowledge points to be solved, the corresponding teaching video segments can be accurately found according to the knowledge points marked by the teaching video segments, so that the user can learn the explanation of the knowledge points to be solved, the solution can be assisted without manual answering, and the learning efficiency of students is improved.
2. In a preferred embodiment of the invention, by establishing the test question library and establishing the corresponding relation between the teaching video clips and the test questions, after the user finishes learning the video explanation of the knowledge point to be solved, the user can also do a relevant test question of the knowledge point to be solved, so that the user can better master the knowledge point to be solved, and the learning effect is further improved.
3. In a preferred embodiment of the present invention, by classifying the teaching video segments in the video library, the efficiency of searching the target teaching video segment in the video library can be improved.
Drawings
The above features, technical features, advantages and modes of implementing an assistive teaching method and system will be further described in the following detailed description of preferred embodiments in a clearly understandable manner in conjunction with the accompanying drawings.
FIG. 1 is a schematic flow chart diagram of a first embodiment of a method of teaching assistance in accordance with the present invention;
FIG. 2 is a schematic flow chart diagram of a second embodiment of a teaching aid method of the present invention;
FIG. 3 is a schematic flow chart diagram of a third embodiment of a method for teaching assistance in accordance with the present invention;
FIG. 4 is a schematic flow chart diagram of a fourth embodiment of a method for teaching assistance in accordance with the present invention;
FIG. 5 is a flow chart illustrating a fifth embodiment of a method for teaching assistance of the present invention;
FIG. 6 is a block diagram schematically illustrating the structure of one embodiment of an assistive tutorial system of the present invention;
FIG. 7 is a block diagram schematically illustrating the structure of another embodiment of an instructional aid system of the invention.
Description of the reference numerals
100. A video library establishing module; 110. An acquisition and extraction unit;
120. a video segmentation unit; 121. A judgment subunit;
122. a video segmentation subunit; 130. A knowledge point marking unit;
140. a video library establishing unit; 200. A knowledge point acquisition module to be solved;
300. a matching module; 310. A type determination unit;
320. a search unit; 330. A matching unit;
400. a video push module; 500. A test question bank establishing module;
600. a test question classification module; 700. A corresponding relation establishing module;
800. a test question acquisition module; 900. A test question pushing module;
1000. and a video classification module.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
According to a first embodiment provided by the present invention, as shown in fig. 1, an auxiliary teaching method includes:
s100, establishing a video library comprising a plurality of teaching video clips, and marking knowledge points of the teaching video clips;
specifically, in order to find the teaching video clips corresponding to the knowledge points to be solved by the user as much as possible, a large number of teaching video clips are required to serve as a video library.
When the video library is established, the teaching video clips can be collected according to the knowledge points listed on the textbooks of different grades, if the video library of the first-grade mathematics needs to be established, the teaching video related to the first-grade mathematics is collected, and then the teaching video is divided into a plurality of teaching video clips according to each knowledge point listed on the textbook, so that the video library of the first-grade mathematics can be formed.
After the video library is established, the knowledge points corresponding to each teaching video clip in the video library are marked, when the knowledge points are marked, the statements related to the knowledge points are marked as much as possible, and when the knowledge points to be solved are matched with the knowledge points marked in the teaching video clips, the matching success rate is improved.
S200, acquiring knowledge points to be solved input by a user;
specifically, the knowledge point to be solved input by the user may be a name of the knowledge point, or may be a keyword related to the knowledge point, such as a trigonometric function, a quadratic equation with one element, and the like.
S300, matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
specifically, after knowledge points to be solved input by a user are acquired, the knowledge points to be solved are matched with teaching video segments in a video library according to the knowledge points marked by the teaching video segments, and when the knowledge points to be solved are matched with the knowledge points marked by a certain teaching video segment, the matched teaching video segment is the target teaching video segment.
And when the knowledge points marked by the teaching video clips are matched with the knowledge points marked by the teaching video clips and the knowledge points marked by the teaching video clips contain the keywords in the knowledge points to be solved, considering that the knowledge points to be solved are matched with the teaching video clips. If the number of the matched teaching video clips is multiple, the grade of the user can be confirmed according to the historical learning record of the user, and then the target teaching video clip is selected from the multiple matched teaching video clips according to the grade of the user.
S400, pushing the target teaching video clip to the user.
Specifically, after the target teaching video segment matched with the knowledge point to be answered is obtained, the target teaching video segment can be pushed to the user according to a preset pushing mode for the user to learn.
According to the invention, by establishing the video library comprising a plurality of teaching video segments and marking the knowledge points corresponding to the teaching video segments, when the user inputs the knowledge points to be solved, the corresponding teaching video segments can be accurately found according to the knowledge points marked by the teaching video segments, so that the user can learn the explanation of the knowledge points to be solved, the solution can be assisted without manual answering, and the learning efficiency of students is improved.
According to a second embodiment provided by the present invention, as shown in fig. 2, an auxiliary teaching method includes:
s100, establishing a video library comprising a plurality of teaching video clips, and marking knowledge points of the teaching video clips;
s160, establishing a test question library, and marking knowledge points of each test question investigation in the test question library;
specifically, after the video library is established, a test library is established, and the established test library can enable users to learn knowledge points in the teaching video clip and then conduct exercise training aiming at the knowledge points, so that the users can learn how to understand and apply the knowledge points while consolidating the knowledge points. The test questions in the test question bank can be downloaded from the network or uploaded manually. The test questions also contain corresponding test question explanation and test question answers, so that the user can learn by himself conveniently. And marking the knowledge points of each test examination in the test library after the test library is established.
S170, classifying the test questions in the test question library according to the examined knowledge points;
specifically, after the investigation knowledge points corresponding to each test question are marked, the test questions in the test question library are classified according to the investigation knowledge points, that is, the test questions investigating the same knowledge point are classified into one class, so that the test questions can be conveniently searched when a certain class of test questions needs to be acquired later.
S180, establishing a corresponding relation between the teaching video clip and the test question according to the knowledge points marked by the teaching video clip and the knowledge points marked by the test question;
specifically, after the test questions are classified according to the investigation knowledge points, the corresponding relation between the teaching video clips and the test questions is established according to the investigation knowledge points marked by the teaching video clips and the investigation knowledge points marked by the test questions, namely, the corresponding relation between the test questions with the same investigation knowledge points as the knowledge points marked by the teaching video clips and the teaching video clips is established, and after the corresponding relation is established, one or more test questions corresponding to the teaching video clips can be obtained according to the teaching video clips.
S200, acquiring knowledge points to be solved input by a user;
s300, matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
s400, pushing the target teaching video clip to a user;
s500, obtaining test questions corresponding to the target teaching video clip according to the target teaching video clip;
specifically, according to the corresponding relationship established between the teaching video clips and the test questions, after the target teaching video clips are matched from the video library, one or more test questions corresponding to the target teaching video clips can be obtained according to the target teaching video clips.
S600, pushing test questions corresponding to the target teaching video clips to the user.
Specifically, after one or more test questions corresponding to the target teaching video clip are obtained, the corresponding one or more test questions are pushed to the user.
In the above steps of this embodiment, there is no sequence between steps S400 and S500, and the target teaching video segment may be recommended to the user first, and then the corresponding test question is obtained, or the corresponding test question may be obtained first, and then the target teaching video segment and the corresponding test question are recommended to the user.
In the embodiment, by establishing the test question library and establishing the corresponding relation between the teaching video clips and the test questions, after the user finishes learning the video explanation of the knowledge point to be solved, the user can also do a relevant test question of the knowledge point to be solved, so that the user can better master the knowledge point to be solved, and the learning effect of learning is further improved.
According to a third embodiment provided by the present invention, as shown in fig. 3, an auxiliary teaching method includes:
s110, acquiring a large number of teaching videos, and extracting text information of teaching slides contained in the teaching videos and the time of the teaching slides appearing in the teaching videos;
specifically, in order to obtain teaching videos of all knowledge points as much as possible, a large number of teaching videos need to be obtained, then text information of teaching slides in the teaching videos is extracted, the teaching slides can be obtained through screen capture, and the text information of all slides in the teaching videos can be obtained through recognizing the text information in screen capture pictures. In addition to extracting the text information of the teaching slides included in the teaching video, the time of the teaching slides appearing in the teaching video needs to be obtained, and the time of the teaching slides appearing in the teaching video refers to the time of each different teaching slide appearing in the teaching video.
S120, segmenting the teaching video according to the text information of the teaching slide and the time of the teaching slide appearing in the teaching video to obtain a plurality of teaching video segments;
specifically, after the text information of the teaching slides and the appearance of the teaching slides in the teaching video are obtained, the knowledge points related to the teaching slides are obtained according to the text information of the teaching slides, and after the knowledge points related to the teaching slides are obtained, the teaching video can be segmented according to the appearance time of the teaching slides with different knowledge points in the teaching video, so that a plurality of teaching video segments respectively corresponding to different knowledge points are obtained.
S130, marking knowledge points of the teaching video clip according to the text information;
specifically, after the teaching video is divided into teaching video segments corresponding to different knowledge points, the knowledge points corresponding to the teaching video segments are marked according to text information in the teaching slides.
S140, establishing a video library according to the obtained plurality of teaching video clips;
specifically, after all videos are divided into teaching video segments according to the knowledge points, a video library can be established according to the obtained teaching video segments.
S200, acquiring knowledge points to be solved input by a user;
s300, matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
s400, pushing the target teaching video clip to the user.
According to a fourth embodiment provided by the present invention, as shown in fig. 4, an assistant teaching method includes:
s110, acquiring a large number of teaching videos, and extracting text information of teaching slides contained in the teaching videos and the time of the teaching slides appearing in the teaching videos;
s121, judging whether the two adjacent teaching slides belong to the same knowledge point or not according to the text information of the two adjacent teaching slides;
s122, if two adjacent teaching slides belong to the same knowledge point, continuously judging whether the two spaced teaching slides belong to the same knowledge point;
s123, if the two adjacent teaching slides do not belong to the same knowledge point, segmenting the teaching video according to the time of the two adjacent teaching slides appearing in the teaching video to obtain a plurality of teaching video segments;
specifically, after text information of teaching slides is extracted from a teaching video, whether two adjacent teaching slides (a first teaching slide and a second teaching slide) explain the same knowledge point is judged according to the text information of the teaching slides, if yes, whether the first teaching slide and the third teaching slide explain the same knowledge point is continuously judged, and if yes, the teaching slides and the fourth teaching slide continue to judge whether the first teaching slide and the fourth teaching slide explain the same knowledge point until the fact that the two teaching slides explain the same knowledge point is detected. After the fact that the two explained knowledge points are not the same knowledge point is obtained, a teaching video clip can be divided from the teaching video according to the time of the two teaching slides appearing in the teaching video.
S130, marking knowledge points of the teaching video clip according to the text information;
s140, establishing a video library according to the obtained plurality of teaching video clips;
s200, acquiring knowledge points to be solved input by a user;
s300, matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
s400, pushing the target teaching video clip to the user.
According to a fifth embodiment provided by the present invention, as shown in fig. 5, an assistant teaching method includes:
s100, establishing a video library comprising a plurality of teaching video clips, and marking knowledge points of the teaching video clips;
s150, classifying the teaching video clips according to the knowledge points marked by the teaching video clips;
specifically, after the video library is established, the teaching video clips are classified according to the knowledge points marked by the teaching video clips, and the classification can be classified according to grades, such as a first grade, a second grade, a third grade and the like; the classification can also be classified according to subject, such as language, mathematics, english, physics, etc.
S200, acquiring knowledge points to be solved input by a user;
s310, determining the type of the knowledge point to be solved;
s320, according to the type of the knowledge point to be solved, finding a teaching video clip matched with the type of the knowledge point to be solved in the video library to serve as a teaching video clip set to be selected;
s330, matching the knowledge points to be solved with the videos to be selected in the to-be-selected teaching video clip set to obtain matched teaching video clips to be selected as target teaching video clips;
specifically, after acquiring the knowledge points to be solved input by the user, judging the type of the knowledge points to be solved according to the knowledge points to be solved, and if the teaching video clips are classified according to grades, judging the knowledge points in which grade the knowledge points to be solved belong; and if the teaching video clips are classified according to the subjects, judging which subject the knowledge point to be answered belongs to.
After judging the type of the knowledge point to be solved, finding out the teaching video clips matched with the type of the knowledge point to be solved in the video library as a teaching video clip set to be selected. And then searching out the matched teaching video clip to be selected as a target teaching video clip in the teaching video clip set to be selected according to the specific knowledge points related to the knowledge points to be solved.
S400, pushing the target teaching video clip to the user.
Specifically, after the target teaching video segment is found in the video library by the method, the target teaching video segment can be pushed to the user according to a preset pushing mode, wherein the preset pushing mode can be pop-up window pushing, link pushing and the like.
According to the embodiment, the teaching video clips in the video library are classified, so that the efficiency of searching the target teaching video clip in the video library can be improved.
According to embodiment 6 of the present invention, as shown in fig. 6, an instructional aid system includes:
a video library establishing module 100, configured to establish a video library including a plurality of teaching video segments, and mark knowledge points of the teaching video segments;
specifically, in order to find the teaching video clips corresponding to the knowledge points to be solved by the user as much as possible, a large number of teaching video clips are required to serve as a video library.
When the video library is established, the teaching video clips can be collected according to the knowledge points listed on the textbooks of different grades, if the video library of the first-grade mathematics needs to be established, the teaching video related to the first-grade mathematics is collected, and then the teaching video is divided into a plurality of teaching video clips according to each knowledge point listed on the textbook, so that the video library of the first-grade mathematics can be formed.
After the video library is established, the knowledge points corresponding to each teaching video clip in the video library are marked, when the knowledge points are marked, the statements related to the knowledge points are marked as much as possible, and when the knowledge points to be solved are matched with the knowledge points marked in the teaching video clips, the matching success rate is improved.
The knowledge point to be solved acquisition module 200 is used for acquiring the knowledge points to be solved input by the user;
specifically, the knowledge point to be solved input by the user may be a name of the knowledge point, or may be a keyword related to the knowledge point, such as a trigonometric function, a quadratic equation with one element, and the like.
The matching module 300 is configured to match the knowledge point to be solved with the teaching video clips in the video library to obtain a matched teaching video clip as a target teaching video clip;
specifically, after knowledge points to be solved input by a user are acquired, the knowledge points to be solved are matched with teaching video segments in a video library according to the knowledge points marked by the teaching video segments, and when the knowledge points to be solved are matched with the knowledge points marked by a certain teaching video segment, the matched teaching video segment is the target teaching video segment.
And when the knowledge points marked by the teaching video clips are matched with the knowledge points marked by the teaching video clips and the knowledge points marked by the teaching video clips contain the keywords in the knowledge points to be solved, considering that the knowledge points to be solved are matched with the teaching video clips. If the number of the matched teaching video clips is multiple, the grade of the user can be confirmed according to the historical learning record of the user, and then the target teaching video clip is selected from the multiple matched teaching video clips according to the grade of the user.
And the video pushing module 400 is configured to push the target teaching video clip to the user.
Specifically, after the target teaching video segment matched with the knowledge point to be answered is obtained, the target teaching video segment can be pushed to the user according to a preset pushing mode for the user to learn.
According to the invention, by establishing the video library comprising a plurality of teaching video segments and marking the knowledge points corresponding to the teaching video segments, when the user inputs the knowledge points to be solved, the corresponding teaching video segments can be accurately found according to the knowledge points marked by the teaching video segments, so that the user can learn the explanation of the knowledge points to be solved, the solution can be assisted without manual answering, and the learning efficiency of students is improved.
According to a seventh embodiment provided by the present invention, as shown in fig. 7, an assistant teaching system includes:
a video library establishing module 100, configured to establish a video library including a plurality of teaching video clips, and mark knowledge points of the teaching video clips;
the knowledge point to be solved acquisition module 200 is used for acquiring the knowledge points to be solved input by the user;
the matching module 300 is configured to match the knowledge point to be solved with the teaching video clip in the video library, and obtain a matched teaching video clip as a target teaching video clip;
a video pushing module 400, configured to push the target teaching video clip to the user.
According to the invention, by establishing the video library comprising a plurality of teaching video clips and marking the knowledge points corresponding to the teaching video clips, when the user inputs the knowledge points to be solved, the corresponding teaching video clips can be accurately found according to the marked knowledge points of the teaching video clips, so that the user can learn the explanation of the knowledge points to be solved, the answering can be assisted without manual answering, and the learning efficiency of students is improved.
Preferably, the method further comprises the following steps:
the test question bank establishing module 500 is used for establishing a test question bank and marking the knowledge points of each test question investigation in the test question bank;
specifically, after the video library is established, a test library is established, and the user can learn knowledge points in the teaching video clip and then conduct exercise training aiming at the knowledge points after the user learns the knowledge points, so that the user can learn how to understand and use the knowledge points while consolidating the knowledge points.
The test questions in the test question bank can be downloaded from the network or uploaded manually. The test questions also contain corresponding test question explanation and test question answers, so that the user can learn by himself conveniently. And marking the knowledge points of each test question investigation in the test question library after the test question library is established.
The test question classification module 600 is used for classifying the test questions in the test question library according to the inspected knowledge points;
specifically, after the investigation knowledge points corresponding to each test question are marked, the test questions in the test question library are classified according to the investigation knowledge points, that is, the test questions investigating the same knowledge point are classified into one class, so that the test questions can be conveniently searched when a certain class of test questions needs to be acquired in the following process.
A correspondence establishing module 700, configured to establish a correspondence between the teaching video clip and the test question according to the knowledge points marked by the teaching video clip and the knowledge points marked by the test question;
specifically, after the test questions are classified according to the investigation knowledge points, the corresponding relation between the teaching video clips and the test questions is established according to the investigation knowledge points marked by the teaching video clips and the investigation knowledge points marked by the test questions, namely, the corresponding relation between the test questions with the same investigation knowledge points as the knowledge points marked by the teaching video clips and the teaching video clips is established, and after the corresponding relation is established, one or more test questions corresponding to the teaching video clips can be obtained according to the teaching video clips.
A test question acquiring module 800, configured to acquire a test question corresponding to the target teaching video clip according to the target teaching video clip;
specifically, according to the corresponding relationship established between the teaching video clips and the test questions, after the target teaching video clips are matched from the video library, one or more test questions corresponding to the target teaching video clips can be obtained according to the target teaching video clips.
And a test question pushing module 900, configured to push a test question corresponding to the target teaching video clip to the user.
Specifically, after one or more test questions corresponding to the target teaching video clip are obtained, the corresponding one or more test questions are pushed to the user.
In the embodiment, by establishing the test question library and establishing the corresponding relation between the teaching video clips and the test questions, after the user finishes learning the video explanation of the knowledge point to be solved, the user can also do a relevant test question of the knowledge point to be solved, so that the user can better master the knowledge point to be solved, and the learning effect of learning is further improved.
Preferably, the video library establishing module 100 includes:
an obtaining and extracting unit 110, configured to obtain a large amount of teaching videos, and extract text information of teaching slides included in the teaching videos and time when the teaching slides appear in the teaching videos;
specifically, in order to obtain teaching videos of all knowledge points as much as possible, a large number of teaching videos need to be obtained, then text information of teaching slides in the teaching videos is extracted, the teaching slides can be obtained through screen capture, and the text information of all slides in the teaching videos can be obtained through recognizing the text information in screen capture pictures.
In addition to extracting the text information of the teaching slides included in the teaching video, the time of the teaching slides appearing in the teaching video needs to be obtained, and the time of the teaching slides appearing in the teaching video refers to the time of each different teaching slide appearing in the teaching video.
The video segmentation unit 120 is configured to segment the teaching video according to the text information of the teaching slide and the time when the teaching slide appears in the teaching video, so as to obtain a plurality of teaching video segments;
specifically, after the text information of the teaching slides and the appearance of the teaching slides in the teaching video are obtained, the knowledge points related to the teaching slides are obtained according to the text information of the teaching slides, and after the knowledge points related to the teaching slides are obtained, the teaching video can be segmented according to the appearance time of the teaching slides with different knowledge points in the teaching video, so that a plurality of teaching video segments respectively corresponding to different knowledge points are obtained.
A knowledge point marking unit 130, configured to mark a knowledge point of the teaching video segment according to the text information;
specifically, after the teaching video is divided into teaching video segments corresponding to different knowledge points, the knowledge points corresponding to the teaching video segments are marked according to text information in the teaching slides.
And a video library establishing unit 140, configured to establish a video library according to the obtained multiple teaching video segments.
Specifically, after all videos are divided into teaching video segments according to knowledge points, a video library can be established according to the obtained teaching video segments.
Preferably, the video segmentation unit 120 includes:
a judging subunit 121, configured to judge, according to text information of two adjacent teaching slides, whether the two adjacent teaching slides belong to the same knowledge point; the device is also used for continuously judging whether two adjacent teaching slides belong to the same knowledge point or not if the two adjacent teaching slides belong to the same knowledge point;
and the video segmentation subunit 122 is configured to, if two adjacent teaching slides do not belong to the same knowledge point, segment the teaching video according to the time when the two adjacent teaching slides appear in the teaching video, so as to obtain a plurality of teaching video segments.
Specifically, after text information of teaching slides is extracted from a teaching video, whether two adjacent teaching slides (a first teaching slide and a second teaching slide) are explained by the same knowledge point is judged according to the text information of the teaching slides, if yes, whether the first teaching slide and the third teaching slide are explained by the same knowledge point is continuously judged, if yes, the analogy is carried out, whether the first teaching slide and the fourth teaching slide are explained by the same knowledge point is continuously judged, and until the fact that the two teaching slides are not explained by the same knowledge point is detected. After the fact that the two explained knowledge points are not the same knowledge point is obtained, a teaching video clip can be divided from the teaching video according to the time of the two teaching slides appearing in the teaching video.
Preferably, the method further comprises the following steps:
the video classification module 1000 is configured to classify the teaching video clips according to the knowledge points marked by the teaching video clips;
specifically, after the video library is established, the teaching video clips are classified according to the knowledge points marked by the teaching video clips, and the classification can be classified according to the grade, such as grade one, grade two, grade three and the like; the classification can also be classified according to subject, such as language, mathematics, english, physics, etc.
The matching module 300 includes:
a type determining unit 310, configured to determine a type of the knowledge point to be solved;
the searching unit 320 is configured to find, according to the type of the knowledge point to be solved, a teaching video clip matched with the type of the knowledge point to be solved in the video library as a teaching video clip set to be selected;
the matching unit 330 is configured to match the knowledge point to be solved with the to-be-selected video in the to-be-selected teaching video clip set, and obtain a matched to-be-selected teaching video clip as a target teaching video clip.
Specifically, after acquiring the knowledge points to be solved input by the user, judging the type of the knowledge points to be solved according to the knowledge points to be solved, and if the teaching video clips are classified according to the grade, judging the knowledge points in which grade the knowledge points to be solved belong to; and if the teaching video clips are classified according to the subjects, judging which subject the knowledge point to be answered belongs to.
After judging the type of the knowledge point to be solved, finding out the teaching video clips matched with the type of the knowledge point to be solved in the video library as a teaching video clip set to be selected. And then searching out the matched teaching video clip to be selected as a target teaching video clip in the teaching video clip set to be selected according to the specific knowledge points related to the knowledge points to be solved.
According to the embodiment, the efficiency of searching the target teaching video clip in the video library can be improved by classifying the teaching video clips in the video library.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (6)
1. An aided instruction method, comprising:
establishing a video library comprising a plurality of teaching video clips, and marking knowledge points of the teaching video clips, wherein each teaching video clip corresponds to one knowledge point;
acquiring knowledge points to be solved input by a user;
matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
pushing the target teaching video clip to a user;
acquiring a large number of teaching videos, and extracting text information of teaching slides contained in the teaching videos and the time of the teaching slides appearing in the teaching videos;
judging whether the two adjacent teaching slides belong to the same knowledge point or not according to the text information of the two adjacent teaching slides;
if two adjacent teaching slides belong to the same knowledge point, continuously judging whether the two spaced teaching slides belong to the same knowledge point;
if the two adjacent teaching slides do not belong to the same knowledge point, segmenting the teaching video according to the time of the two adjacent teaching slides appearing in the teaching video to obtain a plurality of teaching video segments;
marking knowledge points of the teaching video clips according to the text information;
and establishing a video library according to the obtained plurality of teaching video clips.
2. An aided education method as claimed in claim 1 wherein, after establishing a video library including a plurality of education video segments and marking the knowledge points of the education video segments, before obtaining the knowledge points to be solved inputted by the user, further comprising:
establishing a test question library, and marking knowledge points of each test question investigation in the test question library;
classifying the test questions in the test question library according to the investigated knowledge points;
establishing a corresponding relation between the teaching video clip and the test questions according to the knowledge points marked by the teaching video clip and the knowledge points marked by the test questions;
the step of matching the knowledge points to be solved with the teaching video clips in the video library according to the knowledge points marked by the teaching video clips to obtain the target teaching video clips further comprises the following steps:
obtaining test questions corresponding to the target teaching video clip according to the target teaching video clip;
and pushing the test questions corresponding to the target teaching video clips to the user.
3. An aided instruction method according to claim 1, wherein after establishing a video library comprising a plurality of instruction video clips and marking knowledge points of the instruction video clips, the method further comprises:
classifying the teaching video clips according to the knowledge points marked by the teaching video clips;
the matching of the knowledge points to be solved and the teaching video clips in the video library to obtain the matched teaching video clips as target teaching video clips specifically comprises the following steps:
determining the type of the knowledge point to be solved;
according to the type of the knowledge point to be solved, finding a teaching video clip matched with the type of the knowledge point to be solved in the video library as a teaching video clip set to be selected;
and matching the knowledge points to be solved with the videos to be selected in the teaching video clip set to obtain matched teaching video clips to be selected as target teaching video clips.
4. An assistive teaching system, comprising:
the video library establishing module is used for establishing a video library comprising a plurality of teaching video clips and marking knowledge points of the teaching video clips, wherein each teaching video clip corresponds to one knowledge point;
the knowledge point acquisition module to be solved is used for acquiring the knowledge points to be solved input by the user;
the matching module is used for matching the knowledge points to be solved with the teaching video clips in the video library to obtain matched teaching video clips serving as target teaching video clips;
the video pushing module is used for pushing the target teaching video clip to a user;
wherein, the video library establishment module comprises:
the device comprises an acquisition and extraction unit, a display unit and a display unit, wherein the acquisition and extraction unit is used for acquiring a large number of teaching videos and extracting text information of teaching slides contained in the teaching videos and the time of the teaching slides appearing in the teaching videos;
the video segmentation unit is used for segmenting the teaching video according to the text information of the teaching slide and the time of the teaching slide appearing in the teaching video to obtain a plurality of teaching video segments;
the knowledge point marking unit is used for marking the knowledge points of the teaching video clip according to the text information;
the video library establishing unit is used for establishing a video library according to the obtained plurality of teaching video clips;
the video segmentation unit includes:
the judging subunit is used for judging whether the two adjacent teaching slides belong to the same knowledge point according to the text information of the two adjacent teaching slides; the device is also used for continuously judging whether two adjacent teaching slides belong to the same knowledge point or not if the two adjacent teaching slides belong to the same knowledge point;
and the video segmentation subunit is used for segmenting the teaching video according to the time of the two adjacent teaching slides appearing in the teaching video to obtain a plurality of teaching video clips if the two adjacent teaching slides do not belong to the same knowledge point.
5. An assistive teaching system according to claim 4, further comprising:
the test question bank establishing module is used for establishing a test question bank and marking the knowledge points of each test question investigation in the test question bank;
the test question classification module is used for classifying the test questions in the test question bank according to the investigated knowledge points;
the corresponding relation establishing module is used for establishing the corresponding relation between the teaching video clip and the test questions according to the knowledge points marked by the teaching video clip and the knowledge points marked by the test questions;
the test question acquisition module is used for acquiring test questions corresponding to the target teaching video clip according to the target teaching video clip;
and the test question pushing module is used for pushing the test questions corresponding to the target teaching video clips to the user.
6. An assistive teaching system according to claim 4, further comprising:
the video classification module is used for classifying the teaching video clips according to the knowledge points marked by the teaching video clips;
the matching module includes:
the type determining unit is used for determining the type of the knowledge point to be solved;
the searching unit is used for finding out a teaching video clip matched with the type of the knowledge point to be solved in the video library as a teaching video clip set to be selected according to the type of the knowledge point to be solved;
and the matching unit is used for matching the knowledge points to be solved with the videos to be selected in the teaching video clip set to be selected, and obtaining the matched teaching video clips to be selected as target teaching video clips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369583.XA CN109460488B (en) | 2018-11-16 | 2018-11-16 | Auxiliary teaching method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369583.XA CN109460488B (en) | 2018-11-16 | 2018-11-16 | Auxiliary teaching method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109460488A CN109460488A (en) | 2019-03-12 |
| CN109460488B true CN109460488B (en) | 2022-11-22 |
Family
ID=65610765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811369583.XA Active CN109460488B (en) | 2018-11-16 | 2018-11-16 | Auxiliary teaching method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109460488B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322738B (en) | 2019-07-03 | 2021-06-11 | 北京易真学思教育科技有限公司 | Course optimization method, device and system |
| CN110569393B (en) * | 2019-09-05 | 2022-04-19 | 杭州米络星科技(集团)有限公司 | Short video cutting method for air classroom |
| CN111738041A (en) * | 2019-09-30 | 2020-10-02 | 北京沃东天骏信息技术有限公司 | Video segmentation method, device, equipment and medium |
| CN111343507A (en) * | 2020-02-29 | 2020-06-26 | 北京大米未来科技有限公司 | Online teaching method and device, storage medium and electronic equipment |
| CN111711834B (en) * | 2020-05-15 | 2022-08-12 | 北京大米未来科技有限公司 | Recorded broadcast interactive course generation method and device, storage medium and terminal |
| CN111611434B (en) * | 2020-05-19 | 2023-07-25 | 深圳康佳电子科技有限公司 | Online course interaction method and interaction platform |
| CN111739358A (en) * | 2020-06-19 | 2020-10-02 | 联想(北京)有限公司 | Teaching file output method and device and electronic equipment |
| CN111866608B (en) * | 2020-08-05 | 2022-08-16 | 北京华盛互联科技有限公司 | Video playing method, device and system for teaching |
| CN112560663A (en) * | 2020-12-11 | 2021-03-26 | 南京谦萃智能科技服务有限公司 | Teaching video dotting method, related equipment and readable storage medium |
| CN113301370B (en) * | 2021-05-20 | 2022-05-06 | 读书郎教育科技有限公司 | System and method for warehousing live course exercise video clips of two teachers |
| CN113590956A (en) * | 2021-07-30 | 2021-11-02 | 深圳市金博奥科技有限公司 | Knowledge point recommendation method and device, terminal and computer readable storage medium |
| CN113901302B (en) * | 2021-09-29 | 2022-09-27 | 北京百度网讯科技有限公司 | Data processing method, device, electronic equipment and medium |
| CN114067631A (en) * | 2021-11-23 | 2022-02-18 | 商飞软件有限公司 | Experiential flight simulation training system and simulation training method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117381A (en) * | 2015-08-28 | 2015-12-02 | 上海第九城市教育科技股份有限公司 | Method and system for generating interactive multimedia courseware |
| CN107247732A (en) * | 2017-05-05 | 2017-10-13 | 广州盈可视电子科技有限公司 | Exercise matching process, device and a kind of recording and broadcasting system of a kind of instructional video |
| CN107343223A (en) * | 2017-07-07 | 2017-11-10 | 北京慕华信息科技有限公司 | The recognition methods of video segment and device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2010146360A (en) * | 2010-11-13 | 2012-05-20 | Александр Дмитриевич Ишков (RU) | MEANS OF INDEPENDENT DEVELOPMENT OF EDUCATIONAL MATERIAL |
| CN103186643A (en) * | 2011-12-30 | 2013-07-03 | 安凯(广州)微电子技术有限公司 | Autonomous learning method for realizing association of teaching contents, terminal and system |
| CN103970868A (en) * | 2014-05-09 | 2014-08-06 | 清华大学深圳研究生院 | Method for creating index of teaching video with lantern slides and method for positioning lantern slides |
| CN106485964B (en) * | 2016-10-19 | 2019-04-02 | 深圳市鹰硕技术有限公司 | A kind of recording of classroom instruction and the method and system of program request |
| CN106951439A (en) * | 2017-02-13 | 2017-07-14 | 广东小天才科技有限公司 | The examination question method for pushing and system of a kind of associated video |
| CN107920280A (en) * | 2017-03-23 | 2018-04-17 | 广州思涵信息科技有限公司 | The accurate matched method and system of video, teaching materials PPT and voice content |
-
2018
- 2018-11-16 CN CN201811369583.XA patent/CN109460488B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117381A (en) * | 2015-08-28 | 2015-12-02 | 上海第九城市教育科技股份有限公司 | Method and system for generating interactive multimedia courseware |
| CN107247732A (en) * | 2017-05-05 | 2017-10-13 | 广州盈可视电子科技有限公司 | Exercise matching process, device and a kind of recording and broadcasting system of a kind of instructional video |
| CN107343223A (en) * | 2017-07-07 | 2017-11-10 | 北京慕华信息科技有限公司 | The recognition methods of video segment and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109460488A (en) | 2019-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109460488B (en) | Auxiliary teaching method and system | |
| CN109359215B (en) | Video intelligent pushing method and system | |
| Shi et al. | College students’ cognitive learning outcomes in flipped classroom instruction: a meta-analysis of the empirical literature | |
| CN110348400B (en) | Score obtaining method and device and electronic equipment | |
| Li et al. | Traditional literature review and research synthesis | |
| US20200286402A1 (en) | Method and system for assisting with math problem | |
| Burston et al. | MALL language learning outcomes: A comprehensive meta-analysis 1994–2019 | |
| CN108090857A (en) | A kind of multi-modal student classroom behavior analysis system and method | |
| CN109785691B (en) | Method and system for assisting learning through terminal | |
| CN109710931A (en) | A kind of class teaching content evaluation system and its method based on Intellectual Analysis Technology | |
| WO2023273583A1 (en) | Exam-marking method and apparatus, electronic device, and storage medium | |
| CN110675677A (en) | Method and device for assisting mathematics application questions | |
| CN112231522B (en) | Online course knowledge tree generation association method | |
| CN109933650B (en) | Method and system for understanding picture title in operation | |
| CN107301411A (en) | Method for identifying mathematical formula and device | |
| CN110609833A (en) | Book page number identification method and device, family education machine and storage medium | |
| CN112347997A (en) | Test question detection and identification method and device, electronic equipment and medium | |
| CN113888757A (en) | Examination paper intelligent analysis method, examination paper intelligent analysis system and storage medium based on benchmarking evaluation | |
| Quintana et al. | Object and gesture recognition to assist children with autism during the discrimination training | |
| Budiastuti et al. | Developing self-assessment instruments to measure students’ performance characters in making dresses using a high order thinking skills approach | |
| Krishnamoorthy et al. | E-Learning Platform for Hearing Impaired Students | |
| Abaya | Influence of instructional materials on pre-school children’s learning achievement in number work in Matungu division, Kakamega County | |
| Kovanovic | Assessing cognitive presence using automated learning analytics methods | |
| KR102069922B1 (en) | System and Application For Learning Navigation | |
| CN106203438A (en) | A kind of element works based on image procossing and animation works automatic scoring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |