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324 results about "Instructional video" patented technology
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Teaching video reconstruction method and system based on intelligent agent
PendingCN119271844AImprove search accuracyImprove development efficiencyData processing applicationsSemantic analysisSemantic vectorTime information
The invention discloses a teaching video reconstruction method and system based on an intelligent agent. The method comprises the following steps: extracting a knowledge content text and time information from a teaching video; constructing a semantic vector library and a graph database; constructing a cue word template according to a mode layer of the knowledge graph; defining a core function module of the intelligent agent system; the core scheduler receives a user question and calls the knowledge base retriever to generate a related knowledge content text; the knowledge base retriever queries the graph database to obtain the corresponding time of the video frame required for answering the question; and the video reconstructor reconstructs and generates a teaching video required by the user by using the video frame time and the original video. Precise semantic understanding and matching of teaching video content and user questions are achieved, the teaching video is reconstructed according to the multi-dimensional requirements of the user for knowledge points, learning targets and learning ability, specific field fine adjustment does not need to be conducted on a large model, the method can adapt to teaching video reconstruction of different subjects and difficulty levels, and the user experience is improved. Wide application and popularization values are realized.
Owner:BEIJING TECH & BUSINESS UNIV
Automatic lecturer video generation method based on AI speech synthesis and animation driving
ActiveCN120897102AProgram initiation/switchingDigital data information retrievalData streamAlgorithm
The invention discloses a lecturer video automatic generation method based on AI speech synthesis and animation driving. The method comprises the following steps: performing structured analysis on a PPT or a text script through an improved interior point method and an incremental shortest path algorithm; performing semantic grouping by applying a full-dynamic parallel single-link clustering algorithm and generating an enhanced script with an expressive mark; a CosyVoice technology is combined with a low-rank approximation method to generate a high-quality voice data stream; establishing a mapping relation between contents and action expressions through semantic analysis, and generating a complete action expression instruction set; and driving the digital human model by using the msueTalk technology, and generating a final lecturer teaching video through a parallel rendering algorithm. According to the invention, the method achieves the efficient and automatic generation of the education video, remarkably improves the content production efficiency, reduces the production cost, and guarantees the specialty and expressive force of the teaching video.
Owner:SHENZHEN XUEYOU TECHNOLOGY CO LTD
Mathematical physics explanation video generation method and device based on multi-agent cooperation
ActiveCN119277169AImprove production efficiencyImprove build qualitySelective content distributionManufacturing computing systemsInformation controlAnimation
The invention relates to the technical field of computers, in particular to a mathematical physics explanation video generation method and device based on multi-agent collaboration, and the method comprises the steps: obtaining the actual task demand information of a mathematical physics explanation video; based on the actual task demand information, controlling a scriptor agent to generate an animation frame script, so that the cartoon agent generates an animation video corresponding to the animation frame script, and generating a synchronous subtitle and an explanation audio corresponding to the animation video through an interpreter agent; and synchronously integrating the animation frame script, the animation video, the synchronous subtitles and the explanation audio to construct an initial explanation video, carrying out picture analysis on the initial explanation video through a quality inspector agent to obtain a picture analysis result, correcting the initial explanation video, and generating a final mathematical physics explanation video. Therefore, the problems that an existing teaching video making technology is poor in content accuracy and visual expression effect, high in video making cost, difficult to meet actual teaching requirements and the like are solved.
Owner:JIANGHAN UNIVERSITY +1
Teaching quality diagnosis and evaluation method based on behavior recognition
InactiveCN119398614AImprove generalization abilityImprove reliabilityData processing applicationsBiological modelsPersonalized learningMedicine
The invention discloses a teaching quality diagnosis and evaluation method based on behavior recognition, and relates to the technical field of behavior recognition, and the teaching quality diagnosis and evaluation method based on behavior recognition comprises the steps: 1, collecting a real classroom teaching video, and intercepting a key frame from the video content; 2, a target in the teaching video image is detected, and behavior recognition is achieved based on target detection and a human body posture evaluation algorithm; step 3, using the trained target detection model to detect a target teaching video image data set, and dividing different class types based on detected teacher behaviors; 4, determining student behaviors influencing the teaching quality according to the class type, and calculating a teaching quality scoring index; 5, evaluating the teaching quality according to the teaching quality scoring index, and diagnosing problems affecting the teaching quality; through classroom data acquisition from various sources, the classroom teaching quality is accurately analyzed and evaluated, and accurate teaching of teachers and personalized learning of students are assisted.
Owner:SHAOGUAN CITY INST OF TECHNICIAN
Video processing method, recording and broadcasting system, electronic equipment and readable storage medium
PendingCN119299860AReduce shooting costsquick buildTwo-way working systemsUser needsVideo processing
The invention provides a video processing method, a recording and broadcasting system, electronic equipment and a computer readable storage medium, and relates to the technical field of video processing, the method comprises the following steps: obtaining a panoramic classroom video and video editing information, the video editing information comprising related description information of a target video expected to be generated through the panoramic classroom video by a user; generating a mirror moving parameter and a shooting parameter of the virtual camera according to the video editing information; determining a first interested picture which accords with the description of the video editing information from the panoramic classroom video according to the mirror operation parameters; performing image reconstruction processing on the first interested picture according to the mirror operation parameter and the shooting parameter to obtain a second interested picture; and generating a target video according to the second interested picture. According to the method and the device, the teaching video which has the mirror moving effect and meets the requirements of the user is quickly generated under the conditions that manpower is not consumed and a mirror moving technology is not needed.
Owner:GUANGZHOU KINDLINK SOFTWARE TECHNOLOGY CO LTD
Interactive physical education system and method based on video image processing
InactiveCN119251730Aimprove movement qualityImprove training effectData processing applicationsCharacter and pattern recognitionPhysical educationTraining - action
The invention belongs to the technical field of teaching video processing, and particularly relates to an interactive physical education system and method based on video image processing. According to the interactive physical education teaching method based on video image processing, training actions of a user can be captured in real time and are compared with standard actions for analysis, so that correct actions and deviation actions can be accurately recognized, continuous correct time periods and continuous deviation time periods can be determined through analysis of key nodes, and the accuracy of physical education teaching is improved. According to the method, the deviation action is subjected to orderliness analysis, independent deviation and progressive deviation are distinguished, targeted correction suggestions can be provided according to the type of the deviation action, the user is helped to improve the action and improve the training effect, in addition, the training action of the user can be fed back in real time according to the improvement amount, and the training effect is improved. The user can know the training effect in time, adjustment is carried out according to feedback, through continuous correction analysis and feedback, the user can gradually improve the motion quality, and the better training effect is achieved.
Owner:WUHAN SPORTS UNIV
Teaching task management system based on Internet
The invention, which relates to the technical field of the teaching task management system, discloses an internet-based teaching task management system comprising a student classroom concentration state identification module, a teaching video slice pushing module, a personalized teaching resource generation module, and an education index analysis module. The student classroom concentration state recognition module reasonably collects and processes images and adopts an improved YOLOv8-SEAM algorithm to improve the recognition precision; the teaching video slice pushing module carries out audio processing and the like on the teaching video, and video clips related to the concentration state of the student are screened out; the personalized teaching resource generation module customizes a personalized teaching resource package in combination with student states and learning histories; and the educational index analysis module generates an individual and class educational index analysis report. According to the invention, the problems that the student class concentration state identification precision is not high and the teaching resource pushing is not targeted are solved.
Owner:GUANGDONG LINGJUN TECH CO LTD
Fitness teaching method and system based on virtual human
The invention relates to a body building teaching method and system based on a virtual human, and belongs to the field of three-dimensional modeling, and the body building teaching method based on the virtual human comprises the steps: obtaining a figure image, generating a 3D virtual human model according to the figure image through an artificial intelligence large model, generating a virtual human teaching animation according to the 3D virtual human model and a preset body building skeleton animation, and displaying the virtual human teaching animation to the target user so as to indicate the target user to carry out action following learning according to the virtual human teaching animation. According to the invention, the problem that the recorded teaching video cannot comprehensively and accurately convey the teaching content is solved. According to the virtual human teaching animation, the teaching process of the 3D virtual human model can be displayed from various angles, and the teaching content can be more comprehensively and accurately conveyed.
Owner:当趣网络科技(杭州)有限公司
Makeup auxiliary method and device based on intelligent cosmetic mirror and electronic equipment
PendingCN120340487AInput/output for user-computer interactionSpeech recognitionEngineeringHuman–computer interaction
The invention provides a makeup auxiliary method and device based on an intelligent cosmetic mirror and electronic equipment, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining a user voice instruction and user appearance data; based on the user instruction analysis, obtaining makeup demand keywords; and based on the makeup demand keyword and the user appearance data, obtaining a makeup teaching video, and displaying the makeup teaching video through an intelligent cosmetic mirror. According to the invention, through non-contact interaction, teaching content self-adaptive pushing and real-time action guiding, the makeup experience of the user is comprehensively improved.
Owner:SHENZHEN XINXINLEI BRUSH PROD CO LTD
Teaching quality evaluation method based on teaching robot
The invention discloses a teaching quality evaluation method based on a teaching robot, and relates to the field of artificial intelligence education application, and the method comprises the steps: collecting classroom teaching video data and audio data through a sensor of the teaching robot; performing face recognition according to the classroom teaching video data to obtain student expression data, and performing acoustic feature extraction on the audio data to obtain teacher voice data; sending the student expression data into a pre-trained emotion recognition model to obtain a classroom student attention score, and sending the teacher voice data into a voice evaluation model to obtain a teacher speed score; and establishing a weighted calculation formula based on the classroom student attention score and the teacher speech speed score, and calculating to obtain a classroom teaching quality score. According to the invention, the classroom video and audio data are collected and processed in real time, the student attention score and the teacher speed score are calculated, and weighted fusion is carried out, so that the objective quantitative evaluation of the classroom teaching quality is realized.
Owner:SHANDONG HONGRU SMART EDUCATION TECHNOLOGY CO LTD
Intelligent VR teaching system method, system and device for enhancing video teaching effect
PendingCN119155514AImprove teaching effectInput/output for user-computer interactionData processing applicationsData feedHuman–computer interaction
The invention relates to an intelligent VR teaching method for enhancing a video teaching effect. The method comprises the following steps: selecting a target teaching video, and playing a theme sub-video in the target teaching video; acquiring expression data of a user within the playing time range of the theme sub-video; identifying expression change features, calculating a user understanding degree in a theme self-adaptive playing time range, and calculating a user understanding degree in a granulated sub-video time range; judging whether the teaching content of the theme sub-video needs to be adjusted or not; selecting alternative granulated sub-videos from a teaching video database; combining the selected alternative granulated sub-videos into an updated theme sub-video, and playing the updated theme sub-video; and when the remaining learning time is less than the updated time length of the theme sub-video, stopping playing the teaching video. According to the method, the teaching method is adaptively adjusted according to user course understanding degree data fed back by video teaching, and the video teaching effect is enhanced.
Owner:BEIJING JINSANHUI TECH CO LTD
Interactive three-dimensional teaching resource generation system and method based on 3D Gaussian splashing
ActiveCN121170164AInput/output for user-computer interactionGraph readingSequence reconstructionComputer graphics (images)
The invention discloses an interactive three-dimensional teaching resource generation system and method based on 3D Gaussian splashing, and belongs to the technical field of three-dimensional reconstruction, and the system comprises a multi-view image obtaining module which is used for extracting a multi-view image sequence related to a teaching theme from a teaching video resource, and determining the category of each structural region in each view image; the enhanced three-dimensional reconstruction module is used for reconstructing the multi-view image sequence into a three-dimensional teaching model; determining the anchor point attribute of each anchor point in the three-dimensional teaching model; the intelligent interaction module is used for acquiring a user instruction; determining a target anchor point according to the user instruction, and obtaining an anchor point attribute corresponding to the target anchor point; and the three-dimensional visualization module is used for performing rendering display on the three-dimensional teaching model and displaying the anchor point attribute corresponding to the target anchor point. The three-dimensional teaching model which has interaction capability and is subjected to structured knowledge labeling can be generated. The technical problem that a current three-dimensional model lacks intelligent interaction capability is solved.
Owner:HUAZHONG NORMAL UNIV
Hemodialysis teaching system based on AI intelligent pushing
The invention relates to the technical field of hemodialysis teaching systems, and discloses a hemodialysis teaching system based on AI intelligent pushing. The system comprises an operation feature extraction module, an instrument positioning analysis module, an operation step analysis module and a teaching strategy generation module. Operating a feature extraction module to obtain a hemodialysis teaching video stream, and extracting multi-modal features containing an instrument movement track sequence and physiological parameter simulation data; an instrument positioning analysis module calls a pre-training network for positioning and generates a coordinate data set containing instrument types and three-dimensional position coding mapping; the operation step analysis module analyzes the time sequence characteristics by means of an action segmentation model, and generates a result containing step integrity and an error operation mark; and the teaching strategy generation module inputs a result into the intelligent push model, plans a personalized teaching path, outputs a knowledge point sequence containing a student ability model and dynamic teaching elements of operation difficulty parameters, and assists the hemodialysis teaching to be precise and personalized.
Owner:晋江市医院(上海市第六人民医院福建医院)
Education virtual human generation method and device based on teaching plan driving, equipment and medium
The invention discloses an educational virtual human generation method and device based on teaching plan driving, equipment and a medium, and relates to the technical field of virtual human. The method comprises: acquiring a voice file; a first image frame is obtained. And repeating the subsequent steps until the voice ends, and obtaining an image frame sequence. And carrying out synchronous synthesis to obtain a teaching video of the virtual human. And extracting portrait features of the target frame and audio features of the next frame, and aligning the portrait features and the audio features to obtain multi-modal alignment features. Identity feature parameters, expression coefficient parameters and attitude parameters are extracted from portrait features, then the parameters are converted into face three-dimensional point cloud information through a FLAME model, position coding is carried out, and query embedded features are obtained. And performing fusion by taking the query embedding feature and the multi-modal alignment feature as main inputs and taking the audio feature as a condition to obtain a visual alignment feature. And fusing and modulating the visual alignment features, the identity feature parameters, the expression coefficient parameters and the attitude parameters into Gaussian representation, projecting the Gaussian representation to a two-dimensional image plane, and then fusing the Gaussian representation to obtain a next image frame.
Owner:XIAMEN UNIV OF TECH
Dynamic compression method, system and equipment for teaching video and storage medium
The invention relates to the technical field of data processing, and particularly provides a dynamic compression method, system and device for a teaching video and a storage medium, and the method comprises the steps: converting the video into an image frame sequence; detecting abrupt change image frames in the image frame sequence, and marking the abrupt change image frames as node image frames; segmenting the video into a plurality of video clips according to the node image frames, and adding classification tags to the plurality of video clips by using an image recognition technology; and generating a compression parameter for the corresponding video clip according to the classification label, and compressing the video clip according to the compression parameter. According to the invention, the dynamic compression of the teaching video is realized, and the proportion of redundant video clips is reduced, so that the network and storage resources consumed by the redundant video are reduced, and the user experience is improved.
Owner:SHANDONG INSPUR ULTRA HD INTELLIGENT TECH CO LTD
Interactive teaching method and system based on teaching video
The embodiment of the invention relates to the technical field of information, in particular to an interactive teaching method and system based on teaching videos. The method comprises the following steps: carrying out content segmentation on a historical teaching video, identifying explanation fragments of knowledge points in the historical teaching video, carrying out semantic annotation and label annotation, and constructing a structured knowledge point explanation video library; constructing a teaching agent, wherein the teaching agent integrates a natural language processing module, a learning state recognition module and a video fusion module; identifying a current learning demand and a target knowledge point of the student, and automatically retrieving a matched explanation fragment according to the target knowledge point; the teaching agent analyzes the content of the retrieved explanation segment, extracts the explanation content and the teaching logic, and fuses the explanation content and the teaching logic into a knowledge base of the agent; and the teaching agent provides explanation, question answering, practice recommendation and feedback evaluation for students in a dialogue or interaction mode based on the fused knowledge base, so that interactive teaching is realized.
Owner:HANGZHOU EXPOLANG XINZHI EDUCATION TECHNOLOGY CO LTD
Classroom teaching evaluation generation method and system based on multi-modal large model
The invention provides a classroom teaching evaluation generation method and system based on a multi-modal large model, and belongs to the technical field of artificial intelligence and education, and the method comprises the steps: S1, defining an analysis task; s2, setting unified prompt words for guiding model generation: role setting, core tasks and structure requirements; s3, performing fine adjustment on the detector by using the corresponding task domain target detection data set; and S4, integrating a detector, a region slice detection strategy, an optical character recognition technology, a voice recognition technology and a framework of a plurality of large models, taking a teaching video and a corresponding audio as input of the classroom teaching evaluation model, and outputting a structured teaching evaluation analysis report. According to the method provided by the invention, a better effect is obtained on various evaluation standards, the quality of an evaluation report is higher, and the method can be expanded to any classroom scene only by replacing or finely adjusting a detector capable of adapting to a new scene, so that efficient and low-cost framework migration is realized, and meanwhile, high performance is ensured.
Owner:BEIHANG UNIV
Teaching quality management and control method and device, computer equipment and storage medium
The invention discloses a teaching quality management and control method and device, computer equipment and a storage medium. The method comprises the following steps: analyzing teaching behaviors of teachers and classroom performance behaviors of students in a real teaching video to obtain a first teaching quality evaluation result; generating a second teaching quality evaluation result according to the evaluation of the students on the teaching quality; generating a third teaching quality evaluation result according to the evaluation of the teacher on the teaching quality; generating a fourth teaching quality evaluation result according to the student score; and optimizing the weight of each teaching quality evaluation result by adopting an improved particle swarm optimization algorithm, calculating a comprehensive score through the optimized weight, and generating a final teaching quality evaluation report according to each teaching quality evaluation result and the comprehensive score. Therefore, a technical problem that it is difficult to understand the teaching condition of the teacher in a manner of evaluating the teaching quality only through one manner in the related art is solved.
Owner:GUANGXI COLLEGE OF WATER RESOURCES & ELECTRIC POWER
Foreign language teaching video generation method and device and computer program product
PendingCN119600126AStrong targetingMeet individual needsSemantic analysis2D-image generationPersonalizationTime information
The invention provides a foreign language teaching video generation method and device and a computer program product. The foreign language teaching video generation method comprises the steps of obtaining a video subtitle text corresponding to a to-be-processed video; based on the video subtitle text and a preset explanation generation rule, a foreign language teaching explanation text of the video subtitle text is generated by adopting a large language model; generating a corresponding explanation audio based on the foreign language teaching explanation text; determining a time information relationship between the foreign language teaching explanation text and the explanation audio; according to the time information relationship between the foreign language teaching explanation text and the explanation audio, generating a display style corresponding to the explanation audio; and generating an explanation video corresponding to the to-be-processed video according to the explanation audio, the display style corresponding to the explanation audio and the time information relationship between the explanation text and the explanation audio. According to the invention, the target teaching video corresponding to the to-be-processed video can be automatically generated, the generated teaching video is highly targeted, and personalized requirements of users can be met.
Owner:姜秋实
Student classroom behavior analysis method and device, electronic equipment and storage medium
PendingCN121033926ACharacter and pattern recognitionBiological modelsComputer graphics (images)Engineering
The invention provides a student classroom behavior analysis method and device, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence education application. The method comprises the following steps: coding selected video clips of samples of a sample classroom teaching video to obtain a sample image block vector sequence; generating a sample state accumulation vector according to the continuous concentration fragment number and the continuous non-concentration fragment number; performing visual coding on the sample image block vector sequence and the sample state accumulation vector through an initial visual conversion encoder, performing convolution classification on the obtained sample spatial-temporal feature tensor to obtain a sample fragment concentration prediction category, and training the initial visual conversion encoder to obtain a target visual conversion encoder; and performing visual coding on the target classroom teaching video clip through a target visual conversion encoder, and performing convolution classification on the obtained target spatial-temporal feature tensor to obtain a target clip concentration prediction category. The analysis accuracy and efficiency can be improved.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Video playing device
Owner:东营职业学院
All-in-one machine interaction method based on motion capture and visual interaction all-in-one machine thereof
ActiveCN119200835AImprove interactivityImprove teaching effectInput/output for user-computer interactionCharacter and pattern recognitionVision basedGoal recognition
The invention discloses an all-in-one machine interaction method based on motion capture and a visual interaction all-in-one machine thereof, and the method comprises the steps: obtaining a teaching video of a teaching user in a teaching process and a teaching motion image corresponding to each frame in the teaching video based on a camera in a visual interaction all-in-one machine in response to an online teaching request of the teaching user; performing multi-scale feature fusion on the target features of the teaching action image by using a feature pyramid network to obtain feature maps of multiple hierarchies, the feature maps of multiple hierarchies including a first feature map of a target hierarchy and second feature maps of other hierarchies; performing sparse processing on the first feature map by adopting a multi-scale cavity convolution mask to obtain a sparse feature map; performing target identification on the second feature map and the sparse feature map to obtain a user dynamic image corresponding to the teaching action image; the user dynamic image and the teaching video are displayed on the visual interaction all-in-one machine, and the user dynamic image rhythms along with playing of the teaching video. The teaching effect is improved.
Owner:SHENZHEN YUANJUN INTEGRATED TECH DEV CO LTD
Education course intelligent recording and broadcasting management method
The invention belongs to the technical field of education data management, and particularly discloses an intelligent recording and broadcasting management method for education courses, which comprises the following steps of: acquiring multi-modal data in real time through a multi-sensor group, and comprehensively capturing teaching actions of teachers, limb actions of students, speech audios and running states of teaching equipment; further comparing the feature combination with a pre-stored template feature combination to identify different teaching stages; recording modes are automatically switched according to the identified teaching stage, a main and auxiliary picture polling switching rule is established, and videos recorded at different camera positions are integrated into a composite video with synchronous main and auxiliary pictures; key teaching links of teaching videos are automatically identified, index tags are established, the videos are classified and stored in combination with a preset classification rule, and accordingly video contents meeting user requirements are pushed to different users. Structured management and rapid retrieval of recorded and broadcast video content are realized, and personalized service and utilization efficiency of teaching resources are enhanced.
Owner:FENGYE (SHENZHEN) TECH CO LTD
Teaching evaluation method and device based on artificial intelligence
The invention provides a teaching evaluation method and device based on artificial intelligence, and the method comprises the steps: constructing a subject standard knowledge graph based on a large language model and collected teaching materials, and constructing pre-learning knowledge graphs of different students based on the subject standard knowledge graph; virtual student agents corresponding to different students are constructed based on a multi-modal large model and pre-learning knowledge maps, character types and classroom attention mechanisms of the different students; pre-learning knowledge maps of different students are updated based on an input teacher teaching video through virtual student intelligent agents corresponding to the different students so as to simulate learning behaviors of the different students and obtain post-learning knowledge maps of the different students; and evaluating the teaching quality of the teacher corresponding to the teacher teaching video based on the subject standard knowledge graph, the pre-learning knowledge graph, the post-learning knowledge graph and the learning behavior simulation result of the different students. According to the invention, the efficiency and accuracy of teacher teaching quality evaluation can be improved.
Owner:BEIJING NORMAL UNIV AT ZHUHAI
Online teaching video production method and device based on virtual scene, and medium
The invention discloses an online teaching video production method and device based on a virtual scene, and a medium, belongs to the technical field of teaching video production, and is used for solving the technical problem of high curriculum abandoning rate caused by low construction efficiency, low content updating rate and low knowledge transmission accuracy of an existing online curriculum. The method comprises the steps of customizing a digital teacher image of a target teacher based on modeling software; wherein the digital teacher image comprises a 3D digital teacher image and a 2D digital teacher image; constructing a virtual teaching scene, and training a virtual scene model to identify a user instruction so as to adjust features in the virtual teaching scene; based on the made teaching courseware, generating a corresponding digital human control script and a voice explanation script; placing the digital teacher image and the virtual teaching scene into a virtual environment, and fusing the digital teacher image and the virtual teaching scene with the digital human control script and the voice explanation script to form a virtual teaching model; and performing video rendering on the virtual teaching model to obtain a teaching video.
Owner:INSPUR ZHUOSHU BIG DATA IND DEV CO LTD
Intelligent teaching method, device and equipment based on AI cooperation and medium
PendingCN119151738Areduce workloadReduce the burden onData processing applicationsCharacter and pattern recognitionInformaticsEngineering
The invention relates to an intelligent teaching method, device and equipment based on AI cooperation and a medium, and belongs to the field of intelligent teaching. The method comprises the steps of uploading a teaching theme, traversing whole network data through an AI automatic search technology, and obtaining a matched teaching video through cross-modal retrieval; a matched teaching video is projected in a classroom through a three-dimensional holographic projection technology for cooperating with teaching work; student concentration detection is carried out based on artificial intelligence, a student concentration judgment model is constructed, student concentration judgment information is output, and the student concentration judgment information comprises student high concentration information and student low concentration information; and acquiring a student position corresponding to the output student low-concentration information, and performing three-dimensional holographic projection on the matched teaching video to the student position until the student concentration judgment model outputs the student high-concentration information, thereby realizing cooperation of teaching work through AI, reducing workload of teachers, improving teaching work efficiency, increasing classroom interestingness, and improving teaching experience. And the interest of students in classes is improved.
Owner:SHANGHAI FANGLUEMENKOU EDUCATION TECH CO LTD
Multimodal automatic teaching video generation method and system based on intermediate file
PendingCN121099150ATelevision system detailsColor television detailsDocument transformationEngineering
The invention discloses a multi-modal automatic teaching video generation method and system based on an intermediate file. The analysis module is used for extracting texts and pictures from documents input by a user and constructing a searchable knowledge base. The content generation module retrieves related teaching content texts according to knowledge points specified by a user through calling of a two-stage large language model, and generates an explanation first draft in a free format; and retrieving related pictures, performing format conversion, and combining with the explaining first draft to generate a structured JSON file. The format conversion module is used for converting the JSON file into an intermediate file which can be read by human and can be analyzed by a machine through a predefined template engine; the collaborative review module presents the intermediate file to a user and receives a modification instruction; and the synchronous updating module performs reverse analysis and grammar verification, and updates the original structured data according to the changed content. The material generation module generates corresponding audio and image materials; and the video synthesis module synthesizes the materials into a video file and outputs the video file.
Owner:HANGZHOU DIANZI UNIVERSTIY INFORMATION ENG SCHOOL
Foreign language teaching video generation method and apparatus
The present invention provides a foreign language teaching video generation method and apparatus. The foreign language teaching video generation method comprises: acquiring video subtitle text corresponding to a video to be processed; on the basis of the video subtitle text and a preset explanation generation rule, using a large language model to generate foreign language teaching explanation text of the video subtitle text; generating a corresponding explanation audio on the basis of the foreign language teaching explanation text; determining a time information relationship between the foreign language teaching explanation text and the explanation audio; on the basis of the time information relationship between the foreign language teaching explanation text and the explanation audio, generating a display style corresponding to the explanation audio; and on the basis of the explanation audio, the display style corresponding to the explanation audio, and the time information relationship between the explanation text and the explanation audio, generating an explanation video corresponding to the video to be processed. In the present invention, a target teaching video corresponding to a video to be processed can be automatically generated, and the generated teaching video is highly targeted, so that the personalized requirements of users can be met.
Owner:JIANG QIUSHI
Video editing system for artificial intelligence teaching
InactiveCN119603513Areduce workloadimprove accuracySelective content distributionEngineeringContent analytics
The invention discloses a video editing system for artificial intelligence teaching, which comprises an editing source material determination module, a source material content learning determination module, a video editing mode determination module, a video editing execution module, an editing result evaluation module and a user interaction module, and relates to the technical field of artificial intelligence. According to the video editing system for artificial intelligence teaching, through integration of intelligent screening, classification, deep learning and automatic editing technologies, operations of preliminary screening, content analysis, editing mode determination, special effect addition and the like of a large number of video materials can be automatically completed. Therefore, the workload of manual editing is greatly reduced, and the accuracy and efficiency of video editing are remarkably improved. Meanwhile, the system supports touch operation and voice control, the editing process is further simplified, and the teacher can make high-quality teaching videos more quickly and conveniently.
Owner:DATA TRANSMISSION GRP
Video frame accurate positioning method based on hierarchical knowledge base
PendingCN120671855ASemantic analysisCharacter and pattern recognitionSemantic alignmentLinguistic model
The invention discloses a video frame precise positioning method based on a hierarchical knowledge base, and the method comprises the steps: carrying out the preprocessing of each teaching video of a MOOC class in an online education platform, and extracting a representative key frame and a precise timestamp of the representative key frame in an original video; on this basis, knowledge points are extracted by means of a visual language large model, and a hierarchical knowledge base structure is constructed; then, carrying out deep semantic analysis on a natural language question input by a user by utilizing a large language model; based on an analysis result, through semantic similarity calculation and a structured reasoning mechanism, positioning a target knowledge point most related to the user intention layer by layer in a knowledge base; furthermore, a teaching video timestamp corresponding to the knowledge point is determined, and interpretable path information is generated based on a reasoning path in the positioning process. The method not only can realize accurate positioning of a key frame level, but also has traceable and explainable semantic alignment capability, and can remarkably improve intelligent understanding and positioning precision of teaching video content.
Owner:PAZHOU LAB (HUANGPU) +1