CN113643578A - Intelligent control method and system for teaching intelligent blackboard - Google Patents
Intelligent control method and system for teaching intelligent blackboard Download PDFInfo
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- CN113643578A CN113643578A CN202110992831.1A CN202110992831A CN113643578A CN 113643578 A CN113643578 A CN 113643578A CN 202110992831 A CN202110992831 A CN 202110992831A CN 113643578 A CN113643578 A CN 113643578A
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- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
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Abstract
The application relates to an intelligent control method and system for a teaching intelligent blackboard, which belong to the field of intelligent teaching, wherein the method comprises the following steps: acquiring an actual blackboard photo of a specific area on a blackboard in real time; analyzing the actual blackboard photo, and extracting image character information in the actual blackboard photo; accessing a media database, and searching for a media audio corresponding to the image character information; and if the media audio corresponding to the image character information is searched, controlling a player to play the media audio, otherwise, not displaying. The method and the device have the effects of reducing the time consumed by teachers when the teachers cut operation multimedia and improving the teaching efficiency.
Description
Technical Field
The application relates to the technical field of intelligent teaching, in particular to an intelligent control method and system for a teaching intelligent blackboard.
Background
At present, a traditional handwriting blackboard and multimedia equipment are combined with each other by a smart classroom interactive blackboard through a capacitive touch technology, and the blackboard writing with chalk is switched easily between multimedia applications, wherein one area can be normally written by chalk like a common blackboard, and the other area is a large display screen and is used for playing various rich multimedia applications such as PPT videos, pictures and animations, so that the traditional and modern combination is achieved.
Wisdom blackboard among the correlation technique is when using, and the mr can write on the blackboard in order to make things convenient for the student to understand, if need switch the multimedia according to actual explanation content, needs the mr to operate on the display screen to play different multimedia, the mr walks around between blackboard and display screen, and this all can consume certain time of giving lessons, has influenced teaching efficiency, consequently remains to improve.
Disclosure of Invention
In order to reduce the time consumed by teachers when multimedia is operated and improve teaching efficiency, the application provides an intelligent control method and system for a teaching intelligent blackboard.
In a first aspect, the application provides an intelligent control method for a teaching intelligent blackboard, which adopts the following technical scheme:
an intelligent control method for a teaching intelligent blackboard is applied to an intelligent control system for the teaching intelligent blackboard, and comprises the following steps:
acquiring an actual blackboard photo of a specific area on a blackboard in real time;
analyzing the actual blackboard photo, and extracting image character information in the actual blackboard photo;
accessing a media database, and searching for a media audio corresponding to the image character information;
and if the media audio corresponding to the image character information is searched, controlling a player to play the media audio, otherwise, not displaying.
By adopting the technical scheme, when a teacher uses an intelligent blackboard to write and explain, and uses a display to play media, the blackboard is provided with a specific area, the teacher can write any characters in the specific area, the teacher writes subject names into the specific area, acquires an actual blackboard photo by collecting images in the specific area on the blackboard, analyzes the actual blackboard photo, extracts image character information in the photo, a media database is preset in the system, different media audios corresponding to different subject names are arranged in the media database, media audios corresponding to the image character information are searched, if the media audios are searched, the player is controlled to play the media audios, otherwise, the media audios are not displayed, so that the media audios are automatically searched according to the subjects written by the teacher, and the teaching videos do not need to be manually searched and opened by the teacher, characters in a specific area on the blackboard can be quickly painted and then written, the characters written in the specific area are convenient for students to record, the effect of killing two birds with one stone is achieved, the time for teachers to operate multimedia is greatly reduced, and the teaching efficiency is further improved.
Optionally, the method further includes:
analyzing the actual blackboard photo, and extracting the actual fixed point position characteristics in the actual blackboard photo;
superposing the actual blackboard picture with a preset blackboard picture;
extracting preset point position characteristics in the preset blackboard picture;
calculating the distance between the preset point position characteristic and the actual fixed point position characteristic to obtain an image deviation distance;
and comparing the image deviation distance with preset minimum deviation data, and displaying the camera deviation early warning information when the image deviation distance is greater than the preset minimum deviation data.
By adopting the technical scheme, when the image in the specific area is collected, the fixed point is arranged in the specific area, so that the fixed point can appear in the shot actual blackboard photo, the position of the fixed point is searched in the actual blackboard photo, and the actual fixed point position characteristic is obtained; the system is provided with a preset blackboard photo, the preset blackboard photo is a standard photo shot for a specific area, a fixed point is also arranged in the preset blackboard photo, and the position characteristics of the preset point in the preset blackboard photo are extracted; and finally, the actual blackboard picture is overlapped with the preset blackboard picture, the distance between the preset point position characteristic and the actual fixed point position characteristic is calculated, an image deviation distance is obtained, namely the distance between fixed points in the two images under the condition of overlapping, if the image deviation distance is greater than preset minimum deviation data, the shot image is judged to have larger deviation, camera deviation early warning information is sent out, the position of the camera is reminded to be adjusted in time, and accurate extraction of image character information in the actual blackboard picture is ensured.
Optionally, the method further includes:
acquiring actual brightness data;
and comparing the actual brightness data with a preset brightness range, and if the actual brightness data is not in the preset brightness range, automatically supplementing light or shading light so as to enable the actual brightness data to be in the preset brightness range.
By adopting the technical scheme, when the image in the specific area on the blackboard is collected, the light around the blackboard is acquired through the light sensor, and the system converts the detection signal into a digital signal to obtain actual light data; be provided with in the system and predetermine the light scope, specific area shoots on the blackboard in predetermineeing the light scope, the photo characters that obtain are more clear, compare actual light data with predetermineeing the light scope, if actual light data does not reach and predetermine the light scope, then the automatic light filling of controlgear, if actual light data surpasses and predetermine the light scope, then the automatic shading of controlgear, so that actual light data is predetermineeing the light scope in, improve the definition of shooing actual blackboard photo, reduce reflection of light or the influence of dark environment to image acquisition.
Optionally, before the real-time obtaining of the actual blackboard photo of the specific area on the blackboard, the method further includes:
receiving media information uploaded by a teacher, wherein the media information comprises an audio name and an audio file;
generating the media database based on the audio name and the audio file.
By adopting the technical scheme, before class, teachers can upload media information to the system, the media database is generated based on the audio names and the audio files, after image and character information in actual blackboard photos is extracted, the audio names which are the same as the image and character information are searched in the media database, the audio files corresponding to the audio names are called, then media audio is played, the teachers can continuously update the media database, and different teachers can conveniently use the system to explain.
Optionally, after the media audio corresponding to the image text information is searched for and played, the method further includes:
acquiring human voice of an external environment;
analyzing the human voice, and identifying voice character information in the human voice, wherein the voice character information comprises a play control parameter;
accessing an action instruction database based on the playing control parameters, and calling control instructions corresponding to the playing control parameters;
and sending the control instruction to the player so that the player controls the media audio to play according to the playing control parameter.
By adopting the technical scheme, when the display plays the media audio, the teacher explains the media content to obtain the voice information of the teacher, analyzes the human voice, extracts the voice character information in the human voice, converts the voice information into character information, the voice character information comprises the playing control parameters, the playing control parameters comprise pause, play, fast forward and backward, then accesses the action instruction database, calls the control instruction corresponding to the playing control parameters, and controls the player to play the media audio based on the control instruction, so that the teacher can directly control the playing or pausing of multimedia through voice when going in class, the convenience of teaching operation is improved, and the teaching work efficiency is further improved.
Optionally, the method further includes:
acquiring teacher geographical position information and blackboard geographical position information in real time;
calculating the distance between the teacher geographical position information and the blackboard geographical position information to generate teaching distance data;
and comparing the teaching distance data with a preset safety distance, and controlling a player to stop playing the media audio when the teaching distance data is greater than the preset safety distance.
Through adopting above-mentioned technical scheme, when the mr explains in the classroom, mode through the bluetooth location acquires mr geographical position information, the position of mr in the classroom promptly, the mr can walk about in the classroom, the distance between mr and the blackboard can change, acquire blackboard geographical position information equally, the position of blackboard in the classroom promptly, then calculate the distance between mr geographical position information and the blackboard geographical position information, obtain teaching distance data, the distance between mr and the blackboard promptly, when teaching distance data exceedes and predetermines safe distance, judge that the mr leaves the podium, control player stops the broadcast media audio this moment, need not mr oneself control media audio stop the broadcast.
Optionally, after the controlling player stops playing, the method further includes:
and when the teaching distance data is smaller than or equal to the preset safety distance, controlling a player to continuously play the media audio.
Through adopting above-mentioned technical scheme, after the teacher got back to the podium, teaching distance data is less than or equal to and predetermines safe distance, and the control player continues to play the media audio this moment to can be according to the distance automatic control media audio pause or play between teacher and the blackboard, make classroom teaching more intelligent.
The second aspect, the application provides a teaching wisdom blackboard intelligence control system, adopts following technical scheme: teaching wisdom blackboard intelligence control system includes:
the image acquisition module is used for acquiring an actual blackboard photo of a specific area on a blackboard in real time;
the character extraction module is used for analyzing the actual blackboard photo and extracting image character information in the actual blackboard photo;
and the audio calling module is used for accessing a media database, searching for the media audio corresponding to the image character information, controlling a player to play the media audio if the media audio corresponding to the image character information is searched, and not displaying if the media audio corresponding to the image character information is not searched.
The third aspect, the application provides a teaching wisdom blackboard intelligent control device, adopts following technical scheme: comprising a memory and a processor, said memory having stored thereon a computer program which can be loaded by the processor and which performs any of the methods described above.
In a fourth aspect, the present application provides a computer readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the methods described above.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the embodiment, when a teacher uses an intelligent blackboard for class, the teacher can write characters in a specific area on the blackboard, acquire an actual blackboard photo by collecting images in the specific area on the blackboard, analyze the actual blackboard photo, extract image character information in the photo, preset a media database in the system, search media audio corresponding to the image character information, if the media audio is searched, control a player to play the media audio, otherwise, display is not performed, so that the media audio is automatically searched according to a topic written by the teacher to be played, the media audio does not need to be manually searched by the teacher and a teaching video is opened, the time for the teacher to operate multimedia is reduced, and the teaching efficiency is improved;
2. further, when an image in a specific area on the blackboard is collected, the light around the blackboard is obtained through the light sensor, the light sensor converts the detection signal into a digital signal to obtain actual light data, the actual light data is compared with a preset light range, if the actual light data does not reach the preset light range, the control device automatically supplements light, and if the actual light data exceeds the preset light range, the control device automatically shades light to enable the actual light data to be within the preset light range, so that the definition of shooting an actual blackboard picture is improved, and the influence of a reflective or dark environment on image collection is reduced;
3. further, when the teacher explains in the classroom, the mode through the bluetooth location acquires teacher's geographical position information, acquire blackboard geographical position information equally, calculate the distance between teacher's geographical position information and the blackboard geographical position information, obtain teaching distance data, distance between teacher and the blackboard promptly, when teaching distance data surpasses and predetermines the safe distance, judge that the teacher leaves the podium, control player stops the broadcast media audio this moment, after the teacher gets back to the podium, control player continues to broadcast the media audio, thereby can be according to the distance automatic control media audio pause or the broadcast between teacher and the blackboard, make the classroom teaching more intelligent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of an intelligent control method for an intelligent teaching blackboard in an embodiment of the present application.
Fig. 2 is a flowchart of a step of displaying camera deviation warning information in an embodiment of the present application.
Fig. 3 is a flowchart of the steps of brightness adjustment in the embodiment of the present application.
Fig. 4 is a flowchart of steps of a player controlling media audio playing according to a playing control parameter in an embodiment of the present application.
FIG. 5 is a flowchart illustrating steps for controlling media audio playback based on teacher's position in an embodiment of the present application.
Fig. 6 is a schematic diagram of an intelligent control method for an intelligent teaching blackboard in an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses an intelligent control method for a teaching intelligent blackboard. Referring to fig. 1, the method is applied to an intelligent control system of an intelligent blackboard for teaching, and an execution main body is a server. The mr utilizes the display broadcast teaching video on the blackboard when utilizing the wisdom blackboard to teach, utilizes the blackboard to write the characters simultaneously, explains teaching content. The system can control the player to play the teaching video according to the explanation content of the teacher.
The following will describe the processing flow in detail with reference to fig. 1 in conjunction with the specific embodiments, and the contents may be as follows:
In an embodiment, a teacher uses a blackboard to write characters for explanation, a specific area is arranged on the blackboard, an image acquisition device is arranged in front of the blackboard, the image acquisition device can be a camera, the image acquisition device is specially used for acquiring photos containing the specific area, the teacher can write a subject name in the specific area on the blackboard, and a system acquires actual blackboard photos shot by the image acquisition device, wherein the actual blackboard photos contain images of the specific area.
And 102, analyzing the actual blackboard photo, and extracting image character information in the actual blackboard photo.
In the embodiment, the actual blackboard photo contains characters written by a teacher, and image character information in the actual blackboard photo, namely the character information written by the teacher in a specific area on the blackboard, is extracted through character recognition.
103, accessing a media database, and searching for a media audio corresponding to the image character information;
and if the media audio corresponding to the image character information is searched, controlling the player to play the media audio, otherwise, not displaying.
In the embodiment, a media database is preset in the system, the media database contains different media audios corresponding to different subject names, the media audios corresponding to image character information are searched, if the media audios are searched, a player is controlled to play the media audios on a display, otherwise, the media audios are not displayed, so that the corresponding media audios are automatically searched according to the subject names written by teachers to play, the teachers do not need to manually search and open teaching videos, characters in a specific area on a blackboard can be quickly smeared and then written, the characters written in the specific area are convenient for students to learn and record, the effect of killing two birds with one stone is achieved, the time for the teachers to operate multimedia is shortened, and the teaching efficiency is improved.
Optionally, before step 101, the method further includes:
the method comprises the steps that firstly, media information uploaded by a teacher is received, and the media information comprises audio names and audio files;
and secondly, generating a media database based on the audio name and the audio file.
In an embodiment, before class, a teacher can upload media information to a system, a media database is generated based on an audio name and an audio file, after image and character information in an actual blackboard photo is extracted, the media database is searched for the audio name identical to the image and character information, the audio file corresponding to the audio name is called, and then media audio is played.
Optionally, when the image acquisition device is collecting the actual blackboard photo, if the image acquisition device shifts, the actual blackboard photo obtained by the system may further include an image outside the specific region, and at this time, the actual blackboard photo is subjected to character recognition, characters outside the specific region can be extracted, and media search is affected, so as to accurately recognize characters in the characteristic region, with reference to fig. 2, the method further includes:
and step 205, comparing the image deviation distance with preset minimum deviation data, and displaying the camera deviation early warning information when the image deviation distance is greater than the preset minimum deviation data.
In the embodiment, a fixed point is drawn in a specific area on a blackboard, the fixed point is located in the center of the specific area, when an image in the specific area is collected, the fixed point also appears in a shot actual blackboard photo, the position of the fixed point is searched in the actual blackboard photo, the actual fixed point position characteristic is obtained, and the position of the fixed point in the actual blackboard photo is obtained. The system is provided with a preset blackboard photo, the preset blackboard photo is a standard photo shot for a specific area, and the photo only contains images of the specific area. The method comprises the steps of superposing an actual blackboard photo with a preset blackboard photo, wherein the preset blackboard photo also has a fixed point, extracting preset point position characteristics in the preset blackboard photo, calculating the distance between the preset point position characteristics and the actual fixed point position characteristics, and obtaining an image deviation distance, namely the distance between the fixed points in two images under the condition of superposition. And finally, comparing the image deviation distance with the preset minimum deviation data, judging that the image shot by the camera has larger deviation when the image deviation distance is greater than the preset minimum deviation data, sending out camera deviation early warning information, reminding the user of needing to adjust the position of the camera in time, and ensuring that the image character information in the actual blackboard picture can be accurately extracted.
Optionally, when the system is extracting the characters in the actual blackboard photo, the definition of the actual blackboard photo can directly influence the character recognition effect, if under dim condition, or under the highlight regulation, can't accurately acquire the image character information in the actual blackboard photo that obtains, consequently, refer to fig. 3, the method still includes:
And 302, comparing the actual light data with a preset light range, and if the actual light data is not in the preset light range, automatically supplementing light or shading light so as to enable the actual light data to be in the preset light range.
In the embodiment, when an image in a specific area on a blackboard is collected, the light sensor is used for collecting the brightness intensity around the blackboard, the system acquires the detection signal sent by the light sensor, and the system converts the detection signal into a digital signal so as to obtain actual brightness data. The system is provided with a preset light range, and a specific area on the blackboard is photographed in the preset light range, so that the obtained photos and characters are clear. And comparing the actual light data with a preset light range, if the actual light data does not reach the preset light range, automatically supplementing light by the control equipment, and if the actual light data exceeds the preset light range, automatically shading light by the control equipment. The actual brightness data are controlled within the preset brightness range, the definition of the actual blackboard picture is improved, and the influence of reflection or a dark environment on image acquisition is reduced.
Optionally, when the display on the blackboard plays the media audio, the teacher may control the media audio through sound, specifically referring to fig. 4, after step 103, the method further includes:
In the embodiment, when the display plays the media audio, a teacher explains the media content, obtains the voice information of the teacher, performs voice recognition on human voice, and extracts voice character information in the human voice, thereby converting the voice information into character information. The voice text information comprises play control parameters including pause, play, fast forward and reverse, then the action instruction database is accessed, the control instruction corresponding to the play control parameters is called, and the player is controlled to play the media audio based on the control instruction. When the teacher says "pause", the player controls the media audio being played to pause, and when the teacher says "play", the controller controls the media audio to continue playing. Therefore, when a teacher goes on a class, the teacher can directly control the operations of playing, pausing and the like of multimedia through voice, the convenience of teaching operation is improved, and the teaching working efficiency is further improved.
Optionally, when the teacher explains in front of the blackboard, if there is a special event that needs to leave the platform temporarily, and the display on the blackboard still plays the media audio at this time, the play of the media audio is automatically controlled by calculating the distance between the teacher and the blackboard, with reference to fig. 5, the method further includes:
and step 504, when the teaching distance data is less than or equal to the preset safety distance, controlling the player to continue playing the media audio.
In the embodiment, when the teacher explains in the classroom, the teacher is connected with the system through the Bluetooth, and the geographic position information of the teacher can be acquired through a Bluetooth positioning mode, namely the position of the teacher in the classroom. And the geographic position information of the blackboard, namely the position of the blackboard in a classroom is also acquired, a teacher can walk in the classroom, and the distance between the teacher and the blackboard can be changed. And calculating the distance between the teacher geographical position information and the blackboard geographical position information to obtain teaching distance data, namely the distance between the teacher and the blackboard. And when the teaching distance data exceeds the preset safety distance, judging that the teacher leaves the platform, and controlling the player to stop playing the media audio. After the teacher returns to the platform, the teaching distance data is smaller than or equal to the preset safe distance, the player is controlled to continue playing the media audio, and therefore the media audio can be automatically controlled to pause or play according to the distance between the teacher and the blackboard, and classroom teaching is more intelligent.
Based on the same design, this application embodiment still discloses a teaching wisdom blackboard intelligence control system, refers to FIG. 6, and teaching wisdom blackboard intelligence control system includes:
and the image acquisition module is used for acquiring the actual blackboard photo of the specific area on the blackboard in real time.
And the character extraction module is used for analyzing the actual blackboard photo and extracting image character information in the actual blackboard photo.
And the audio calling module is used for accessing a media database, searching for the media audio corresponding to the image character information, controlling a player to play the media audio if the media audio corresponding to the image character information is searched, and not displaying if the media audio corresponding to the image character information is not searched.
Optionally, teaching wisdom blackboard intelligence control system still includes:
and the fixed point position extraction module is used for extracting the actual fixed point position characteristics in the actual blackboard photo.
And the picture coincidence module is used for coinciding the actual blackboard picture with a preset blackboard picture.
And the fixed point position extraction module is also used for extracting the preset point position characteristics in the preset blackboard photo.
And the deviation calculation module is used for calculating the distance between the preset point position characteristic and the actual fixed point position characteristic to obtain an image deviation distance.
And the data comparison module is used for comparing the image deviation distance with preset minimum deviation data and displaying the camera deviation early warning information when the image deviation distance is greater than the preset minimum deviation data.
Optionally, teaching wisdom blackboard intelligence control system still includes:
and the brightness acquisition module is used for acquiring actual brightness data.
And the brightness adjusting module is used for comparing the actual brightness data with a preset brightness range, and if the actual brightness data is not in the preset brightness range, automatically supplementing light or shading light so as to enable the actual brightness data to be in the preset brightness range.
Optionally, teaching wisdom blackboard intelligence control system still includes:
and the voice acquisition module is used for acquiring human voice of the external environment.
And the character extraction module is also used for analyzing the human voice and identifying voice character information in the human voice, wherein the voice character information comprises a play control parameter.
And the control instruction calling module is used for accessing an action instruction database based on the playing control parameters and calling the control instructions corresponding to the playing control parameters.
And the playing control module is used for sending the control instruction to the player so that the player controls the media audio to be played according to the playing control parameter.
Optionally, teaching wisdom blackboard intelligence control system still includes:
and the position information acquisition module is used for acquiring the teacher geographical position information and the blackboard geographical position information in real time.
And the deviation calculation module is also used for calculating the distance between the teacher geographical position information and the blackboard geographical position information to generate teaching distance data.
The playing control module is further configured to compare the teaching distance data with a preset safety distance, control the player to stop playing the media audio when the teaching distance data is greater than the preset safety distance, and control the player to continue playing the media audio when the teaching distance data is less than or equal to the preset safety distance.
The embodiment of the application also discloses an intelligent control device for the intelligent teaching blackboard, which comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the intelligent control method for the intelligent teaching blackboard.
The embodiment of the present application further discloses a computer readable storage medium, which stores a computer program that can be loaded by a processor and execute the above intelligent control method for teaching intelligent blackboards, and the computer readable storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above examples are only used to illustrate the technical solutions of the present application, and do not limit the scope of protection of the application. It is to be understood that the embodiments described are only some of the embodiments of the present application and not all of them. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, are within the scope of the present application.
Claims (10)
1. An intelligent control method for a teaching intelligent blackboard is characterized in that the method is applied to an intelligent control system for the teaching intelligent blackboard, and the method comprises the following steps:
acquiring an actual blackboard photo of a specific area on a blackboard in real time;
analyzing the actual blackboard photo, and extracting image character information in the actual blackboard photo;
accessing a media database, and searching for a media audio corresponding to the image character information;
and if the media audio corresponding to the image character information is searched, controlling a player to play the media audio, otherwise, not displaying.
2. The intelligent control method for the intelligent teaching blackboard according to claim 1, wherein the method further includes:
analyzing the actual blackboard photo, and extracting the actual fixed point position characteristics in the actual blackboard photo;
superposing the actual blackboard picture with a preset blackboard picture;
extracting preset point position characteristics in the preset blackboard picture;
calculating the distance between the preset point position characteristic and the actual fixed point position characteristic to obtain an image deviation distance;
and comparing the image deviation distance with preset minimum deviation data, and displaying the camera deviation early warning information when the image deviation distance is greater than the preset minimum deviation data.
3. The intelligent control method for the intelligent teaching blackboard according to claim 2, wherein the method further includes:
acquiring actual brightness data;
and comparing the actual brightness data with a preset brightness range, and if the actual brightness data is not in the preset brightness range, automatically supplementing light or shading light so as to enable the actual brightness data to be in the preset brightness range.
4. The intelligent control method for the intelligent teaching blackboard according to claim 1, further comprising before the real-time acquisition of the actual blackboard photo of the specific area on the blackboard, the steps of:
receiving media information uploaded by a teacher, wherein the media information comprises an audio name and an audio file;
generating the media database based on the audio name and the audio file.
5. The intelligent control method for teaching intelligent blackboard according to claim 1, wherein after the media audio corresponding to the image and text information is searched, the method further comprises:
acquiring human voice of an external environment;
analyzing the human voice, and identifying voice character information in the human voice, wherein the voice character information comprises a play control parameter;
accessing an action instruction database based on the playing control parameters, and calling control instructions corresponding to the playing control parameters;
and sending the control instruction to the player so that the player controls the media audio to play according to the playing control parameter.
6. The intelligent control method for the intelligent teaching blackboard according to claim 5, wherein the method further includes:
acquiring teacher geographical position information and blackboard geographical position information in real time;
calculating the distance between the teacher geographical position information and the blackboard geographical position information to generate teaching distance data;
and comparing the teaching distance data with a preset safety distance, and controlling a player to stop playing the media audio when the teaching distance data is greater than the preset safety distance.
7. The intelligent control method for teaching intelligent blackboard according to claim 6, further comprising after the control player stops playing:
and when the teaching distance data is smaller than or equal to the preset safety distance, controlling a player to continuously play the media audio.
8. The utility model provides a teaching wisdom blackboard intelligence control system, its characterized in that, teaching wisdom blackboard intelligence control system includes:
the image acquisition module is used for acquiring an actual blackboard photo of a specific area on a blackboard in real time;
the character extraction module is used for analyzing the actual blackboard photo and extracting image character information in the actual blackboard photo;
and the audio calling module is used for accessing a media database, searching for the media audio corresponding to the image character information, controlling a player to play the media audio if the media audio corresponding to the image character information is searched, and not displaying if the media audio corresponding to the image character information is not searched.
9. An intelligent control device for an educational intelligent blackboard, comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that implements the method of any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110992831.1A CN113643578A (en) | 2021-08-27 | 2021-08-27 | Intelligent control method and system for teaching intelligent blackboard |
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