A smart whiteboard system with interactive function and interactive method

Abstract

The present invention provides a smart whiteboard system and interactive method with interactive functions, and the system includes: an information acquisition module, which is used to obtain whiteboard interactive information in the current synchronization group based on an information synchronization network; an information processing module, which is used to screen the whiteboard interactive information, obtain effective interactive information, and upload the effective interactive information to a display module; a screen recording backup module, which is used to start the screen recording function to record the teacher's explanation content when the teacher explains based on the display content of the display module, and send the recorded content to the course data storage module for storage when the teacher finishes the explanation. The present invention establishes an information synchronization network to ensure the transmission of interactive information between clients of the same synchronization group and the synchronous update of interactive information, and at the same time, the display page is updated according to the real-time interactive information during the teacher's explanation, thereby improving the interactivity of the whiteboard system.

Description

Technical Field

[0001] The present invention relates to the technical field of teaching equipment, and in particular to a smart whiteboard system with interactive functions and an interactive method. Background Art

[0002] Electronic whiteboards are high-tech products developed by cutting-edge electronic technology, software technology and other high-tech means. Combined with computers and projectors, they can realize paperless office and teaching. They can be written directly with pens like ordinary whiteboards or teaching blackboards. The use of electronic whiteboards in teaching completely replaces the function of traditional chalks, which can avoid various hazards caused by chalks, save resources, and fully realize a healthy, environmentally friendly and energy-saving teaching model. However, using electronic whiteboards only as a blackboard substitute cannot fully reflect the interactive role of electronic whiteboards in teaching. Summary of the invention

[0003] The present invention provides a smart whiteboard system and an interactive method with an interactive function. The present invention establishes an information synchronization network, obtains whiteboard interactive information in a current synchronization group, ensures the transmission of interactive information between clients of the same synchronization group and the synchronous update of interactive information; screens the whiteboard interactive information to obtain effective interactive information, and uploads the effective interactive information to a smart whiteboard display page for display, thereby improving the teaching interactivity of the whiteboard system and ensuring the neatness of the smart whiteboard display page; when the teacher gives an explanation based on the displayed content of the smart whiteboard display page, the screen recording function is turned on to record and store the teacher's explanation content, which is convenient for students or teachers to review repeatedly after the explanation is completed, and can also provide a make-up channel for students who are absent.

[0004] The present invention provides a smart whiteboard system with interactive function, comprising:

[0005] An information acquisition module, used to acquire whiteboard interaction information in the current synchronization group based on the information synchronization network;

[0006] The information processing module is used to screen the whiteboard interaction information, obtain the effective interaction information, and upload the effective interaction information to the display module;

[0007] The screen recording backup module is used to enable the screen recording function to record and store the teacher's explanation content when the teacher is explaining based on the content displayed by the display module, and send the recorded content to the course data storage module for storage when the teacher finishes the explanation.

[0008] Preferably, a smart whiteboard system with interactive function further includes:

[0009] The intelligent grouping module is used to obtain user identity information when students or teachers log in to the user end of the smart whiteboard system. Based on the user information, it determines the target user end corresponding to students or teachers from the same class, establishes a synchronous group, and connects the target user ends in the synchronous group to the same path to build an information synchronization network.

[0010] Preferably, an information acquisition module of a smart whiteboard system with interactive function comprises:

[0011] A first acquisition unit, configured to acquire teaching data uploaded by a teacher as first whiteboard interaction information based on an information synchronization network;

[0012] A second acquisition unit is used to use the problem-solving results uploaded by the students in the same information synchronization network as the teacher as the second whiteboard interaction information;

[0013] The whiteboard interaction information in the current synchronization group is determined according to the first whiteboard interaction information and the second whiteboard interaction information.

[0014] Preferably, an information processing module of a smart whiteboard system with interactive function comprises:

[0015] A first determination unit, configured to determine, when the whiteboard interaction information is first whiteboard interaction information, that the first whiteboard interaction information is valid interaction information;

[0016] a second determination unit, configured to classify the answer results in the second whiteboard interaction information to obtain a plurality of result sets when the whiteboard interaction information is the second whiteboard interaction information, and obtain at least one answer result as a typical answer in the result combination, wherein the typical answer is the effective interaction information;

[0017] The data upload unit is used to upload the effective interactive information to the smart whiteboard display module for display.

[0018] The second whiteboard interaction information is inserted and displayed during the display of the first whiteboard interaction information.

[0019] Preferably, a second determination unit of a smart whiteboard system with interactive function comprises:

[0020] An evaluation subunit, used to evaluate the answer result in the second whiteboard interactive information based on the standard answer result, generate an incorrect answer set, and mark the error position corresponding to each incorrect answer in the incorrect answer set;

[0021] A classification subunit, for determining the similarity between the wrong answers according to the error position relationship between the wrong answers, and classifying the wrong answers based on the similarity and the classification interval division standard to obtain multiple result sets;

[0022] The selection subunit is used to determine the selection weight value of the typical results corresponding to each result set according to the number of incorrect answers in each result set, determine the number of selections corresponding to each result set based on a preset total number of selections and the selection weight value, and select typical answers in the corresponding result set according to the said number of selections.

[0023] Preferably, an evaluation subunit of a smart whiteboard system with interactive function comprises:

[0024] The marking template generation subunit is used to obtain the standard answer results and the answer characteristics of the current course, evaluate and segment the corresponding standard answer results, obtain multiple answer layers, and generate marking templates based on the answer layers;

[0025] The answer evaluation subunit is used to standardize the format of all answer results according to the answer layer, and then judge the correctness of all answer results based on the standard answer results, obtain the judgment results and establish a set of incorrect answers;

[0026] The position marking subunit is used to traverse the wrong answers in the marked wrong answer set, mark the corresponding wrong position of each wrong answer on the marking template, and mark it;

[0027] Before marking the error position corresponding to each wrong answer, the marking template will be initialized.

[0028] Preferably, an evaluation subunit of a smart whiteboard system with interactive function further includes:

[0029] The result feedback subunit is used to back up the judgment result and send it to the course data storage module. At the same time, according to the identity tag carried by the answer result corresponding to the judgment result, the judgment result is sent to the corresponding student terminal.

[0030] Preferably, a data uploading unit of a smart whiteboard system with interactive function comprises:

[0031] The node judgment subunit is used to determine whether there is a reserved demonstration page in the teaching data used by the teacher, and if so, send the typical answer in the second whiteboard interaction information to the reserved demonstration page for display;

[0032] Otherwise, obtaining a presentation template currently displaying the first interactive information, and typeset the typical answers in the second interactive information based on the presentation template to obtain a page to be inserted;

[0033] The time determination subunit is used to obtain the time difference between the current time and the answer start time, obtain the remaining time based on the difference between the preset answer interval time and the time difference, obtain the demonstration content of the current demonstration page, determine the number of knowledge points to be explained, and determine the explanation speed of the teacher based on the historical screen recording video of the teacher;

[0034] According to the number of knowledge points to be explained and the explanation speed, the presentation time of the current demonstration page is predicted, and the remaining explanation waiting time is obtained based on the difference between the remaining time and the demonstration time. The page to be inserted is inserted into the presentation template of the first interactive information currently displayed by the display module within the remaining explanation waiting time.

[0035] Preferably, a screen recording backup module of a smart whiteboard system with interactive function comprises:

[0036] A trigger unit, used to trigger a recording permission acquisition instruction when presentation content appears on the smart whiteboard display page, and obtain the recording device activation permission;

[0037] A recording unit, which enables a corresponding recording device based on the recording device enabling permission setting content, and records the lecturer's explanation content based on the recording device;

[0038] The sending unit is used to send the recorded content to the course data storage module for storage when the teacher finishes the lecture.

[0039] The present invention provides a smart whiteboard interactive method with interactive function, comprising:

[0040] Step 1: Based on the information synchronization network, obtain the whiteboard interaction information in the current synchronization group;

[0041] Step 2: Screen the whiteboard interaction information, obtain valid interaction information, and upload the valid interaction information to the display module;

[0042] Step 3: When the teacher is explaining based on the content displayed by the display module, the screen recording function is turned on to record and store the teacher's explanation content, and when the teacher finishes the explanation, the recorded content is sent to the course data storage module for storage.

[0043] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description, claims, and drawings.

[0044] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0046] Figure 1 A schematic diagram of the structure of a smart whiteboard system with interactive functions according to the present invention;

[0047] Figure 2 This is a structural schematic diagram of an information acquisition module of a smart whiteboard system with interactive functions according to the present invention;

[0048] Figure 3 This is a structural schematic diagram of an information processing module of a smart whiteboard system with interactive functions according to the present invention;

[0049] Figure 4 A schematic diagram of the structure of an evaluation subunit of a smart whiteboard system with interactive functions according to the present invention;

[0050] Figure 5 This is a structural schematic diagram of a data uploading unit of a smart whiteboard system with interactive functions according to the present invention;

[0051] Figure 6 This is a structural schematic diagram of a screen recording and backup module of a smart whiteboard system with interactive functions according to the present invention;

[0052] Figure 7 The figure is a flow chart of an interactive method of a smart whiteboard with interactive function according to the present invention. DETAILED DESCRIPTION

[0053] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0054] Embodiment 1:

[0055] The present invention provides a smart whiteboard system with interactive functions, such as Figure 1 As shown, including:

[0056] An information acquisition module, used to acquire whiteboard interaction information in the current synchronization group based on the information synchronization network;

[0057] The information processing module is used to screen the whiteboard interaction information, obtain the effective interaction information, and upload the effective interaction information to the display module;

[0058] The screen recording backup module is used to enable the screen recording function to record and store the teacher's explanation content when the teacher is explaining based on the content displayed by the display module, and send the recorded content to the course data storage module for storage when the teacher finishes the explanation.

[0059] In this embodiment, the synchronous group refers to a classroom group consisting of all participants (including students and teachers) of the current course corresponding to the same class.

[0060] In this embodiment, the whiteboard interaction information includes first whiteboard interaction information and second whiteboard interaction information.

[0061] In this embodiment, the effective interaction information refers to whiteboard interaction information that can be used to be displayed on the smart whiteboard display page.

[0062] In this embodiment, the information synchronization network connects the clients in the same communication group to the same path to form a network structure in which each client can directly perform information synchronization interaction.

[0063] The beneficial effects of the above embodiments are as follows: the present invention establishes an information synchronization network, obtains whiteboard interaction information within the current synchronization group, ensures the transmission of interaction information between clients of the same synchronization group and the synchronous update of interaction information; screens the whiteboard interaction information, obtains effective interaction information, and uploads the effective interaction information to the smart whiteboard display page for display, thereby improving the teaching interactivity of the whiteboard system while ensuring the neatness of the smart whiteboard display page; when the teacher gives an explanation based on the display content of the smart whiteboard display page, the screen recording function is turned on to record and store the teacher's explanation content, which is convenient for students or teachers to review repeatedly after the explanation is completed, and can also provide a make-up channel for students who are absent.

[0064] Embodiment 2:

[0065] Based on Example 1, a smart whiteboard system with interactive function further includes:

[0066] The intelligent grouping module is used to obtain user identity information when students or teachers log in to the user end of the smart whiteboard system. Based on the user information, it determines the target user end corresponding to students or teachers from the same class, establishes a synchronous group, and connects the target user ends in the synchronous group to the same path to build an information synchronization network.

[0067] In this embodiment, the target user terminal refers to the client terminals corresponding to the students and teachers in the same class.

[0068] In this embodiment, if students or other teachers need to log in remotely outside the classroom, the teacher can set up permissions to open remote access to the information synchronization network, and access the information synchronization network based on the remote client, making it convenient for other teachers and students who cannot attend classes normally to attend lectures remotely.

[0069] The beneficial effects of the above embodiments are as follows: When a student or teacher logs into the user terminal of the smart whiteboard system, the present invention obtains the user identity information, determines the target user terminal corresponding to the student or teacher from the same class based on the user information, establishes a synchronization group, and connects the target user terminals in the synchronization group to the same path, thereby building an information synchronization network and realizing the synchronous update of the interactive information between clients in the same group.

[0070] Embodiment 3:

[0071] Based on Example 1, an information acquisition module of a smart whiteboard system with interactive functions, such as Figure 2 As shown, including:

[0072] A first acquisition unit, configured to acquire teaching data uploaded by a teacher as first whiteboard interaction information based on an information synchronization network;

[0073] A second acquisition unit is used to use the problem-solving results uploaded by the students in the same information synchronization network as the teacher as the second whiteboard interaction information;

[0074] The whiteboard interaction information in the current synchronization group is determined according to the first whiteboard interaction information and the second whiteboard interaction information.

[0075] In this embodiment, the first whiteboard interaction information refers to the teaching data uploaded by the teacher, and the teaching data includes the courseware used for teaching in class, test questions, etc.;

[0076] In this embodiment, the second whiteboard interaction information refers to the test answer results or in-class test results uploaded by the students in the synchronization group.

[0077] The beneficial effects of the above embodiment: the present invention uses the data uploaded by the teacher and his students in the same information synchronization network as interactive information, realizes information interaction between teachers and students, and provides the interactivity of Zhihu whiteboard teaching.

[0078] Embodiment 4:

[0079] Based on Example 3, an information processing module of a smart whiteboard system with interactive functions, such as Figure 3 As shown, including:

[0080] A first determination unit, configured to determine, when the whiteboard interaction information is first whiteboard interaction information, that the first whiteboard interaction information is valid interaction information;

[0081] a second determination unit, configured to classify the answer results in the second whiteboard interaction information to obtain a plurality of result sets when the whiteboard interaction information is the second whiteboard interaction information, and obtain at least one answer result as a typical answer in the result combination, wherein the typical answer is the effective interaction information;

[0082] The data upload unit is used to upload the effective interactive information to the smart whiteboard display module for display.

[0083] The second whiteboard interaction information is inserted and displayed during the display of the first whiteboard interaction information.

[0084] In this embodiment, result classification refers to classifying all answer results included in the second interactive information received by the smart whiteboard system.

[0085] In this embodiment, the result set refers to a set of classification results of the temporarily stored answer results. Each type of answer result corresponds to a set. After a typical answer case is obtained, the result set is automatically deleted.

[0086] In this embodiment, the typical solution refers to a solution result randomly selected in each result combination according to the selection quantity.

[0087] The beneficial effects of the above embodiments: the present invention judges and filters the whiteboard interaction information obtained by the system to obtain effective interaction information, thereby ensuring the effectiveness of the system's display of the interaction information, ensuring the simplicity and practicality of the smart whiteboard display page, and then uploading the effective interaction information to the smart whiteboard display page for display, thereby ensuring the timeliness of the interaction information and the matching between various whiteboard interaction information, and completing the real-time interaction task of the smart whiteboard system.

[0088] Embodiment 5:

[0089] Based on Example 4, a second determination unit of a smart whiteboard system with interactive function, such as Figure 4 As shown, including:

[0090] An evaluation subunit, used to evaluate the answer result in the second whiteboard interactive information based on the standard answer result, generate an incorrect answer set, and mark the error position corresponding to each incorrect answer in the incorrect answer set;

[0091] A classification subunit, for determining the similarity between the wrong answers according to the error position relationship between the wrong answers, and classifying the wrong answers based on the similarity and the classification interval division standard to obtain multiple result sets;

[0092] The selection subunit is used to determine the selection weight value of the typical results corresponding to each result set according to the number of incorrect answers in each result set, determine the number of selections corresponding to each result set based on a preset total number of selections and the selection weight value, and select typical answers in the corresponding result set according to the said number of selections.

[0093] In this embodiment, the standard answer result refers to the correct answer to the question that the teacher asks the students to practice answering.

[0094] In this embodiment, the incorrect answer set refers to a data set storing incorrect answer results.

[0095] In this embodiment, the error position refers to the step where an error occurs in the error answer result when comparing the error answer result with the standard answer result.

[0096] In this embodiment, the selection weight refers to the proportion of each result set in the entire typical result selection process, which is calculated as follows: ,in Indicates the selection weight value corresponding to the i-th result set; represents the number of wrong answers in the i-th result set; Indicates the total number of incorrect answers in the incorrect answer set.

[0097] In this embodiment, the number of selections refers to the number of typical solutions selected for each result set, which is calculated as follows: N i = 1 ， ω i * m i ≤1 [ω i * m i ] ， ω i * m i >1 ,in Indicates the number of selections corresponding to the i-th result set; [ω i * m i ] Express The calculation result is rounded; [ ] represents the symbol of the forensic function.

[0098] The beneficial effects of the above embodiments: the present invention judges and screens all answer results in the second whiteboard interactive information uploaded by students in the same information synchronization network, thereby achieving rapid judgment and reducing the teaching pressure of the lecturer, completing the first screening of the second interactive information and obtaining a set of incorrect answers, and then classifying the incorrect answers in the set of incorrect answers and performing a second screening to obtain typical answers, making it convenient for the lecturer to focus on answering the questions that the students have, thereby improving the pertinence of the class and achieving classroom interaction between teachers and students.

[0099] Embodiment 6:

[0100] Based on Example 5, an evaluation subunit of a smart whiteboard system with interactive functions, such as Figure 4 As shown, including:

[0101] The marking template generation subunit is used to obtain the standard answer results and the answer characteristics of the current course, evaluate and segment the corresponding standard answer results, obtain multiple answer layers, and generate marking templates based on the answer layers;

[0102] The answer evaluation subunit is used to standardize the format of all answer results according to the answer layer, and then judge the correctness of all answer results based on the standard answer results, obtain the judgment results and establish a set of incorrect answers;

[0103] The position marking subunit is used to traverse the wrong answers in the marked wrong answer set, mark the corresponding wrong position of each wrong answer on the marking template, and mark it;

[0104] Before marking the error position corresponding to each wrong answer, the marking template will be initialized.

[0105] In this embodiment, the solution feature refers to the feature of the solution process according to the subject of the current course taught by the instructor. For example, mathematics courses can be divided into multiple-choice questions, fill-in-the-blank questions and calculation questions. The characteristics of the final solution result are determined based on the characteristics of the solution result of each type of question. For example, calculation questions need to be carried out step by step and each step has a corresponding score.

[0106] In this embodiment, evaluation segmentation refers to segmenting the standard answer results according to the answer characteristics to obtain complete answer steps corresponding to the answer results. The answer steps are the answer stratification.

[0107] In this embodiment, the marking template refers to a template used to identify the wrong position of the wrong answer according to the standard answer result.

[0108] The beneficial effects of the above embodiments are as follows: the present invention obtains standard answer results and answer features of the current course, evaluates and segments the corresponding standard answer results, and obtains multiple answer stratifications, which facilitates the system to score the corresponding answer results obtained. The system only needs to find the corresponding steps according to the answer stratification results and score the corresponding steps in reverse order to complete the answer result evaluation; a marking template is generated based on the answer stratification to facilitate the subsequent marking of incorrect positions; after the format of all answer results corresponding to the answer stratification is standardized, all answer results are judged right or wrong based on the standard answer results, the judgment results are obtained and an incorrect answer set is established, the incorrect answers in the incorrect answer set are traversed and marked, and the corresponding incorrect positions of each incorrect answer are marked on the marking template, which provides a basis for the classification of all incorrect answers in the incorrect answer set.

[0109] Embodiment 7:

[0110] Based on Example 6, an evaluation subunit of a smart whiteboard system with interactive functions, such as Figure 4 As shown, it also includes:

[0111] The result feedback subunit is used to back up the judgment result and send it to the course data storage module. At the same time, according to the identity tag carried by the answer result corresponding to the judgment result, the judgment result is sent to the corresponding student terminal.

[0112] The beneficial effects of the above embodiment: the present invention backs up the judgment results and sends them to the course data storage module, which is convenient for the teacher to view the students' answer results after the explanation, which is beneficial for the teacher to timely understand the students' mastery of knowledge points. At the same time, according to the identity tag carried by the answer result corresponding to the judgment result, the judgment result is sent to the corresponding student end, which is beneficial for the students to know the error position of their answer results in time, and it is convenient for the students to focus on their own listening to the class.

[0113] Embodiment 8:

[0114] Based on Example 4, a data uploading unit of a smart whiteboard system with interactive function, such as Figure 5 As shown, including:

[0115] The node judgment subunit is used to determine whether there is a reserved demonstration page in the teaching data used by the teacher, and if so, send the typical answer in the second whiteboard interaction information to the reserved demonstration page for display;

[0116] Otherwise, obtaining a presentation template currently displaying the first interactive information, and typeset the typical answers in the second interactive information based on the presentation template to obtain a page to be inserted;

[0117] The time determination subunit is used to obtain the time difference between the current time and the answer start time, obtain the remaining time based on the difference between the preset answer interval time and the time difference, obtain the demonstration content of the current demonstration page, determine the number of knowledge points to be explained, and determine the explanation speed of the teacher based on the historical screen recording video of the teacher;

[0118] According to the number of knowledge points to be explained and the explanation speed, the presentation time of the current demonstration page is predicted, and the remaining explanation waiting time is obtained based on the difference between the remaining time and the demonstration time. The page to be inserted is inserted into the presentation template of the first interactive information currently displayed by the display module within the remaining explanation waiting time.

[0119] In this embodiment, the reserved demonstration page refers to a page used to display students' real-time interactive information (answer results) from the teaching data uploaded by the instructor.

[0120] In this embodiment, the presentation template refers to a page format template for displaying the first whiteboard interactive information.

[0121] In this embodiment, the page to be inserted refers to a page that is typeset according to the typical answer corresponding to the second interaction information and is waiting to be inserted after the original demonstration page waiting to be explained.

[0122] In this embodiment, the time difference refers to the difference between the current time and the solution start time, and the solution start time refers to the time when the teacher asks the students to start solving the questions.

[0123] In this embodiment, the preset answer interval time refers to the preset waiting time for answering questions and the total time for answer evaluation, screening and uploading of screening results.

[0124] In this embodiment, the remaining time refers to the difference between the preset answer interval time and the time difference value.

[0125] In this embodiment, the historical screen recording video includes previous classroom recording content and the content that has been recorded in the current classroom.

[0126] In this embodiment, the demonstration time refers to the explanation time corresponding to the current demonstration page, and the current demonstration page refers to the page for explanation in the process of waiting for the system to screen the answer results after the completion of the handover;

[0127] In this embodiment, the remaining explanation waiting time refers to the waiting time of the standard answering process of the teaching teacher explaining the answer result, which is the difference between the remaining time and the demonstration time.

[0128] The beneficial effects of the above embodiments: the present invention determines whether there is a reserved demonstration page in the teaching data used by the teaching teacher. If so, the typical answer in the second whiteboard interaction information is sent to the reserved demonstration page for display; otherwise, the demonstration template currently displaying the first interaction information is obtained, and the typical answer in the second interaction information is typeset based on the demonstration template to obtain the page to be inserted; and the insertion time of the page to be inserted is determined according to the actual explanation of the teaching teacher, thereby ensuring the time matching of the second whiteboard protection data and the first whiteboard interaction data.

[0129] Embodiment 9:

[0130] Based on Example 1, a screen recording backup module of a smart whiteboard system with interactive functions is provided. Figure 6 As shown, including:

[0131] A trigger unit, used to trigger a recording permission acquisition instruction when presentation content appears on the smart whiteboard display page, and obtain the recording device activation permission;

[0132] A recording unit, which enables a corresponding recording device based on the recording device enabling permission setting content, and records the lecturer's explanation content based on the recording device;

[0133] The sending unit is used to send the recorded content to the course data storage module for storage when the teacher finishes the lecture.

[0134] In this embodiment, the recording permission includes audio recording and picture recording permission.

[0135] The beneficial effects of the above embodiment: the present invention records the teaching content during the teacher's teaching, and sends the recorded content to the course data storage module for storage when the teacher finishes the teaching, which is convenient for students to watch repeatedly and study independently after class, and is also conducive to the teacher's reflection on the class content.

[0136] Embodiment 10:

[0137] The present invention provides a smart whiteboard interactive method with interactive functions, such as Figure 7 As shown, including:

[0138] Step 1: Based on the information synchronization network, obtain the whiteboard interaction information in the current synchronization group;

[0139] Step 2: Screen the whiteboard interaction information, obtain valid interaction information, and upload the valid interaction information to the display module;

[0140] Step 3: When the teacher is explaining based on the content displayed by the display module, the screen recording function is turned on to record and store the teacher's explanation content, and when the teacher finishes the explanation, the recorded content is sent to the course data storage module for storage.

[0141] The beneficial effects of the above embodiments are as follows: the information synchronization network of the present invention obtains the whiteboard interaction information in the current synchronization group, ensures the transmission of interaction information between clients in the same synchronization group and the synchronous update of interaction information; screens the whiteboard interaction information to obtain effective interaction information, and uploads the effective interaction information to the smart whiteboard display page for display, thereby improving the teaching interactivity of the whiteboard system while ensuring the neatness of the smart whiteboard display page; when the teacher gives an explanation based on the display content of the smart whiteboard display page, the screen recording function is turned on to record and store the teacher's explanation content, which is convenient for students or teachers to review repeatedly after the explanation is completed, and can also provide a make-up channel for students who are absent.

[0142] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A smart whiteboard system with interactive function, characterized in that: include: The intelligent grouping module is used to obtain user identity information when a student or teacher logs in to the user end of the smart whiteboard system, determine the target user end corresponding to the student or teacher from the same class based on the user identity information, establish a synchronization group, and connect the target user ends in the synchronization group to the same path to build an information synchronization network; The information acquisition module is used to acquire the whiteboard interaction information in the current synchronization group based on the information synchronization network; wherein the information acquisition module includes: a first acquisition unit, used to acquire the teaching data uploaded by the teaching teacher as the first whiteboard interaction information based on the information synchronization network; a second acquisition unit, used to acquire the answer results uploaded by the students in the same information synchronization network as the teaching teacher as the second whiteboard interaction information; and determine the whiteboard interaction information in the current synchronization group according to the first whiteboard interaction information and the second whiteboard interaction information; An information processing module is used to screen the whiteboard interaction information, obtain valid interaction information, and upload the valid interaction information to the display module; wherein the information processing module includes: a first determination unit, used to determine that the first whiteboard interaction information is valid interaction information when the whiteboard interaction information is the first whiteboard interaction information; a second determination unit, used to classify the answer results in the second whiteboard interaction information when the whiteboard interaction information is the second whiteboard interaction information, obtain multiple result sets, and obtain at least one answer result in the result set as a typical answer, and the typical answer is the valid interaction information; a data uploading unit, used to upload the valid interaction information to the smart whiteboard display module for display, wherein the second whiteboard interaction information is inserted and displayed during the display of the first whiteboard interaction information; wherein, The second determination unit includes: an evaluation subunit, which is used to evaluate the answer result in the second whiteboard interaction information based on the standard answer result, generate an incorrect answer set, and mark the error position corresponding to each incorrect answer in the incorrect answer set; A classification subunit, for determining the similarity between the wrong answers according to the error position relationship between the wrong answers, and classifying the wrong answers based on the similarity and the classification interval division standard to obtain multiple result sets; A selection subunit is used to determine the selection weight value of the typical answer corresponding to each result set according to the number of wrong answers in each result set, determine the selection quantity corresponding to each result set based on the selection weight value, and select the typical answer in the corresponding result set according to the selection quantity; wherein, The selection weight value refers to the proportion of each result set in the entire typical solution selection process, and is calculated as follows: ,in Indicates the selection weight value corresponding to the i-th result set; represents the number of wrong answers in the i-th result set; Indicates the total number of incorrect answers in the incorrect answer set; The number of selections refers to the number of typical solutions selected for each result set, calculated as follows: ,in Indicates the number of selections corresponding to the i-th result set; Express The calculation result is rounded; [ ] represents the rounding function symbol; The screen recording backup module is used to enable the screen recording function to record the teacher's explanation when the teacher is explaining based on the content displayed by the display module, and send the recorded content to the course data storage module for storage when the teacher finishes the explanation.

2. The interactive whiteboard system according to claim 1, characterized in that: Evaluation subunits include: The marking template generation subunit is used to obtain the standard answer results and the answer characteristics of the current course, evaluate and segment the corresponding standard answer results, obtain multiple answer layers, and generate marking templates based on the answer layers; The answer evaluation subunit is used to standardize the format of all answer results according to the answer layer, and then judge the correctness of all answer results based on the standard answer results, obtain the judgment results and establish a set of incorrect answers; The position marking subunit is used to traverse the wrong answers in the marked wrong answer set and mark the wrong position corresponding to each wrong answer on the marking template; Before marking the error position corresponding to each wrong answer, the marking template will be initialized.

3. The intelligent whiteboard system with interactive function according to claim 2, characterized in that: The evaluation subunit also includes: The result feedback subunit is used to back up the judgment result and send it to the course data storage module. At the same time, according to the identity tag carried by the answer result corresponding to the judgment result, the judgment result is sent to the corresponding student terminal.

4. The interactive whiteboard system according to claim 1, characterized in that: Data upload unit, including: The node judgment subunit is used to determine whether there is a reserved demonstration page in the teaching data used by the teacher, and if so, send the typical answer in the second whiteboard interaction information to the reserved demonstration page for display; Otherwise, obtaining a presentation template currently displaying the first whiteboard interaction information, and typeset the typical answers in the second whiteboard interaction information based on the presentation template to obtain a page to be inserted; The time determination subunit is used to obtain the time difference between the current time and the answer start time, obtain the remaining time based on the difference between the preset answer interval time and the time difference, obtain the demonstration content of the current demonstration page, determine the number of knowledge points to be explained, and determine the explanation speed of the teacher based on the historical screen recording video of the teacher; According to the number of knowledge points to be explained and the explanation speed, the demonstration time of the current demonstration page is predicted, and the remaining explanation waiting time is obtained based on the difference between the remaining time and the demonstration time. The page to be inserted is inserted into the first whiteboard interactive information demonstration template currently displayed by the display module within the remaining explanation waiting time.

5. The interactive smart whiteboard system according to claim 1, characterized in that: Screen recording backup module, including: A trigger unit, used to trigger a recording permission acquisition instruction when presentation content appears on the smart whiteboard display page, and obtain the recording device activation permission; A recording unit, which enables a corresponding recording device based on the recording device enabling permission setting content, and records the lecturer's explanation content based on the recording device; The sending unit is used to send the recorded content to the course data storage module for storage when the teacher finishes the lecture.

6. A smart whiteboard interactive method with interactive function, characterized in that: include: Step 1: When a student or teacher logs in to the client of the smart whiteboard system, the user identity information is obtained, and based on the user identity information, the target client corresponding to the student or teacher from the same class is determined, a synchronization group is established, and the target client in the synchronization group is connected to the same path to build an information synchronization network; Step 2: Based on the information synchronization network, obtain the whiteboard interaction information in the current synchronization group; wherein, based on the information synchronization network, obtain the teaching data uploaded by the teaching teacher as the first whiteboard interaction information; take the answer results uploaded by the students in the same information synchronization network as the teaching teacher as the second whiteboard interaction information; determine the whiteboard interaction information in the current synchronization group according to the first whiteboard interaction information and the second whiteboard interaction information; Step 3: Screen the whiteboard interaction information to obtain valid interaction information, and upload the valid interaction information to the display module; wherein, when the whiteboard interaction information is the first whiteboard interaction information, determine that the first whiteboard interaction information is valid interaction information; when the whiteboard interaction information is the second whiteboard interaction information, classify the answer results in the second whiteboard interaction information to obtain multiple result sets, and obtain at least one answer result in the result set as a typical answer, and the typical answer is the valid interaction information; upload the valid interaction information to the smart whiteboard display module for display, wherein the second whiteboard interaction information is inserted and displayed during the display of the first whiteboard interaction information; wherein, Based on the standard answer result, the answer result in the second whiteboard interactive information is evaluated to generate an incorrect answer set, and the error position corresponding to each incorrect answer in the incorrect answer set is marked; according to the error position relationship between the incorrect answers, the similarity between the incorrect answers is determined, and the incorrect answers are classified based on the similarity and the classification interval division standard to obtain multiple result sets; according to the number of incorrect answers in each result set, the selection weight value of the typical answer corresponding to each result set is determined, based on the selection weight value, the selection quantity corresponding to each result set is determined, and the typical answer is selected in the corresponding result set according to the selection quantity; wherein, The selection weight value refers to the proportion of each result set in the entire typical solution selection process, and is calculated as follows: ,in Indicates the selection weight value corresponding to the i-th result set; represents the number of wrong answers in the i-th result set; Indicates the total number of incorrect answers in the incorrect answer set; The number of selections refers to the number of typical solutions selected for each result set, calculated as follows: ,in Indicates the number of selections corresponding to the i-th result set; Express The calculation result is rounded; [ ] represents the rounding function symbol; Step 4: When the teacher is explaining based on the content displayed by the display module, turn on the screen recording function to record and store the teacher's explanation content, and when the teacher finishes the explanation, send the recorded content to the course data storage module for storage.

Images