29 results about "Virtual classroom" patented technology

The invention discloses a virtual teaching scene generation method and device, equipment and a storage medium, and relates to the technical field of data processing, and the method comprises the following steps: extracting semantic features, visual features and sampling features; mapping and classifying the plurality of features to obtain rendering parameters; the shapes and the surface textures of all the objects contained in the virtual classroom are rendered in real time through the rendering parameters, and three-dimensional teaching resources are obtained; spatial layout coding and scene hierarchical coding are respectively carried out on the three-dimensional teaching resources to obtain spatial layout features and hierarchical spatial features, the spatial layout features and the hierarchical spatial features are decoded to obtain geometric shapes and layout position parameters, and a virtual teaching scene is generated through the geometric shapes and the layout position parameters. Dynamic adjustment can be carried out according to different teaching activities and scenes, and the adaptability is improved. The mutual space relation of the multiple objects of the three-dimensional teaching resources is correctly described, and the accuracy of the generated teaching scene is improved.

The invention provides a virtual classroom interaction method and system based on knowledge representation and reasoning, and the method comprises the steps: obtaining a student interaction data flow in a power system training virtual classroom, carrying out the knowledge granularity decomposition of the student interaction data flow, and generating a knowledge tuple set containing concept nodes and relation edges, and inputting the knowledge tuple set into an inference engine to execute multi-dimensional inference processing, generating a student knowledge mastering state vector and a learning demand prediction vector, executing interaction content generation processing based on the knowledge mastering state vector and the learning demand prediction vector, generating classroom interaction response data with adaptability, and sending the classroom interaction response data to the student. And feeding back the classroom interaction response data to a virtual classroom interaction interface to form a dynamic interaction process of the student learning state and classroom feedback. According to the invention, the pertinence and practicability of virtual classroom interaction are effectively enhanced, so that the learning effect of students in power system training is improved.

The invention discloses a campus low-carbon energy-saving smart classroom management method and system based on virtual classrooms. The method comprises the following steps: constructing a basic classroom resource pool; a classroom intelligent infrastructure layer is constructed through an environment sensing device, a network transmission device and an intelligent controller; constructing a digital twinborn model of the virtual classroom by combining the attribute information of the basic classroom resources and the classroom environment parameters collected by the intelligent facility; based on a digital twinborn model, monitoring the operation condition of each piece of hardware equipment in a classroom in real time; generating an operation and maintenance scheme and forming an operation and maintenance file according to the operation condition of the equipment and the prediction analysis result; constructing an energy consumption model of the virtual classroom, performing multi-dimensional evaluation on energy consumption of the classroom in real time, and constructing a carbon effect index; corresponding classroom services are developed in a targeted manner according to attribute characteristics of different types of classrooms; for different service objects, corresponding service interfaces are provided to realize input of classroom use requirements. And a complete technical system of low-carbon energy-saving intelligent classroom management is constructed.

The invention relates to the technical field of distance education, and discloses a multi-modal interaction-driven distance education immersive scene construction method and system, and the method comprises the steps: configuring a scene resource scheduler of a virtual classroom according to the real-time interaction intention of an education participant; extracting a scene resource scheduling list and a dynamic content parameter set in the scene resource scheduler to construct a dynamic scene map of the virtual classroom in combination with the real-time interaction intention; establishing a real-time rendering task queue by using an immersive narrative flow generated by the dynamic scene map and an interactive response rule set, and rendering an immersive teaching plot of a virtual classroom; and based on the dynamic scene map, generating a distance education immersive scene corresponding to the education participant by rendering the task queue and the immersive teaching plot in real time. According to the invention, sudden demands in the teaching process can be flexibly responded, and the situation adaptability of a remote education scene is improved.

The invention provides an interactive virtual digital teacher system and a working method thereof in order to solve the problem that real-time interaction with students cannot be carried out in traditional digital human teaching. In the digital human teaching process, the real-time question information of the user can be received, and the corresponding question and answer result text is generated; then, the audio is converted into teacher answer audio, and a corresponding question answer digital human video stream is generated based on the teacher answer audio; then, the question answering digital person video stream is pushed to the client side to be played, and real-time answering of the user question can be achieved; and finally, after the question is answered, the pushing of the course teaching audio is recovered, and then the playing of the course teaching video is recovered. Thus, the interactive virtual classroom function is realized, the students can communicate with the digital person teacher in real time during the class, the students can timely solve the problem, and the enthusiasm and the participation degree of the students are improved.

A virtual learning system is introduced herein that provides a virtual reality classroom environment having a virtual agent. The virtual agent plays the role of an active student and promotes classroom participation through verbal and nonverbal interactions with the teacher and other students. The virtual agent, which is embodied as a 3D virtual avatar in virtual reality, interacts with an actual teacher and actual students with both spoken language and body gestures. The behaviors of the virtual agent avatar help to encourage other students to participate more actively in the virtual classroom environment.

The present invention discloses a virtual classroom teaching implementation method, system, medium and equipment based on homology mapping three-dimensional shape estimation, and the method includes the following steps: S1, modeling and inputting: constructing a virtual classroom model and a teacher-student 3D model by combining U-V transformation and homology mapping geometric generation model, and pre-entering modeling information in a virtual classroom management workstation; S2, login: using a camera to collect and input 2D images of teachers and students; S3, identification: identifying the teacher-student 3D model based on the teacher-student 2D image based on the DensePose algorithm and the homology mapping geometric generation model; S4, authentication: establishing an authentication model based on the teacher-student 3D model, and performing authentication information interaction between the teacher-student 3D model and the modeling information in step S3 according to a preset authentication protocol, and when the authentication is successful, the virtual classroom model adds the corresponding teacher-student 3D model, indicating that the login system is successful. The present invention can realize a more flexible and vivid teaching process and provide a better offline teaching and learning experience.

The invention discloses an interactive classroom teaching system based on a virtual reality technology, and particularly relates to the technical field of education. The problems that an existing virtual teaching environment is rigid, multi-user operation conflicts exist, physical feedback is missing, and the evaluation dimension is single are solved. According to the invention, a virtual classroom topological structure is dynamically recombined, physical rationality of cooperative operation is realized by combining multi-level authority control and a conflict arbitration algorithm, and self-adaptive tactile feedback and an operation track intelligent analysis module are integrated. And finally, seamless switching of interdisciplinary scenes, improvement of the reality sense of multi-user operation, teaching evaluation accuracy optimization and cross-platform smooth interaction are realized.

In a traditional classroom setting a teacher is present to monitor the student and their behavior. With virtual classrooms becoming more common, and parents often required to be physically present at their jobs or other engagements, students are often home alone. A teacher conducting a virtual class may not notice when a student closes their eyes, leaves, or performs other undesired actions. By providing the students with a full two-way communication with their teacher, the student is presented with a lesson and classroom activities. By providing a parent or other authorized person with a feed signal that excludes children that are not their own, the parent may remotely monitor the student, such as to ensure the student is attentive to their teacher or otherwise not engaged in any undesired activities.

The invention relates to the technical field of virtual classrooms, and discloses a real-time collaborative virtual classroom interaction method, which comprises the following steps of: constructing a classroom gesture operation comparison table according to preset virtual classroom gestures; capturing an infrared image of a hand of a user and joint point coordinate data in real time, and performing preprocessing; performing feature extraction on the preprocessed infrared image to realize gesture classification to obtain gesture description; searching in a classroom gesture operation comparison table according to the gesture description to determine whether gesture motion judgment is started or not, and determining a virtual object corresponding to the gesture; detecting an operation request user of the same virtual object in the same time interval, and executing a preset conflict execution mechanism; and executing the corresponding virtual operation result so as to map the virtual operation result into virtual classroom operation. According to the method, the gesture comparison table is constructed, data collection and recognition and multi-user conflict processing are optimized, accurate mapping from gestures to virtual operation is achieved, interaction accuracy and cooperation fluency are improved, and immersive experience of a virtual classroom is enhanced.

A method to provide a remote classroom experience is provided. The method includes receiving, in a server, a data feed from multiple participants in a group meeting, merging the data feed from each of the participants into a group presentation, and providing the group presentation to one or more of the participants. The method also includes tracking at least one application data from at least one participant in the group meeting and providing an assignment to a selected group of participants in the group meeting. The method also includes generating a grade of the assignment for each of the selected group of participants based on a template document stored in a database and providing, to the second participant, the grade of the assignment for each of the selected group of participants. A system and a non-transitory, computer readable medium storing instructions to perform the above method are also provided.

A computer-implemented method and a computer program product for optimizing groupings in a breakout session in a virtual classroom. A computer retrieves profiles of students in the virtual classroom, where the profiles of the students include data of academic performances of the students. The computer retrieves a known correspondents archive which includes historic data of productivities correlated to interactions among the students. In response to initialization of the breakout session in the virtual classroom, the computer determines optimal groups that yield most productive results, based on the profiles of the students, the known correspondents archive, and requirements of group settings given by an instructor, using a machine learning model. The computer provides the instructor with the optimal groups. In another embodiment, the computer analyzes context of customized assignments for the breakout session and determines the optimal groups further based on the context to the customized assignments.

The invention belongs to the field of virtual reality (VR) technology, and particularly relates to a VR virtual classroom teaching system which is characterized in that a 1-N synchronous teaching path is formed by a teacher VR head-mounted display, a teacher video card, a teacher notebook computer, a gigabit Ethernet switch, a student VR terminal network card and a student VR head-mounted display. The beneficial effects of the invention are that: 1) the structure is extremely simple, a 1-to-N one-way visual angle broadcast type VR classroom teaching system is established, and the system is used for synchronously pushing the real-time visual angle of the VR head-mounted display at the teacher end to the VR head-mounted displays at all student ends in a frame-level precision manner, so that students can watch the same teaching content in an immersive manner at the position and angle of the eyes of the teacher, and the teaching efficiency is improved; respective operation or mutual interference is not needed; any external hardware is not added, repeated rendering is not carried out, only the head of a teacher is utilized to display a rendered left eye (or right eye) frame, a student end synchronously sees a picture which is watched by the teacher in the lt, 80 ms, and the student end receives data streams in the local area network, and the bandwidth occupation of the local area network streaming media broadcasting mode is extremely small.

Systems, devices, and techniques are disclosed for a synchronous virtual classrooms using artificial intelligence techniques. Meeting data from a virtual meeting client connected to a virtual meeting through a virtual meeting server may be received at a virtual AI avatar. The virtual AI avatar may send the meeting data to an AI agent. Avatar action data generated by the AI agent based on a portion of the meeting data may be received at the virtual AI avatar, from the AI agent. Virtual AI avatar data may be generated based on the avatar action data. The virtual AI avatar data may include generated video data, generated audio data, text data, or data causing interactions with a virtual meeting client interface of the virtual meeting client. The virtual AI avatar data may be sent to the virtual meeting client.

The invention discloses a multi-scene semi-synchronous virtual classroom method based on VR head display equipment, and the method comprises the steps: reading an initial interface of a virtual classroom, building courseware connection between a teacher end and a student end, and entering a preset virtual classroom scene; establishing communication connection between the teacher terminal and all the student terminals, and adjusting seats and visual angles of the corresponding student terminals according to the selected seat anchor points; obtaining a teaching file in the teacher end, converting the teaching file according to a function of a preset database, and displaying the converted teaching file at a specified position of the preset virtual classroom scene; and acquiring voice information of the teacher terminal or the current student terminal, converting the acquired voice information, and transmitting the converted voice information to other terminals to realize voice interaction of the virtual classroom. According to the invention, personalized demands of classroom scene diversification, teaching voice interaction, teaching PPT courseware display and seat visual angle switching in a virtual classroom teaching scene are realized.

The invention discloses a method and a computer program product for carrying out conceptual graph visual interaction on an online education platform. The method comprises the following steps: S1, obtaining a conceptual graph drawn by a student user; s2, establishing an online virtual classroom for a teacher user and all student users of the class; s3, executing the following steps on each conceptual graph: sharing and displaying the conceptual graph; discussing and scoring the conceptual graph by each student user through voice interaction, and carrying out associated storage on voice information input by each student user, a user account and the conceptual graph; according to the voice information of the student user, the score of the student user on the conceptual graph is determined; determining a comprehensive score according to scores of all student users on the conceptual graph; and S4, selecting the conceptual graph with the optimal comprehensive score from the conceptual graphs. According to the invention, teaching interaction between teachers and students is greatly facilitated, the students can systematically sort knowledge through teaching interaction of the conceptual graph, and the students can be promoted to consolidate the knowledge, train the thinking ability and improve the innovation ability.

The invention discloses an interaction method and device based on virtual reality teacher information training and a medium, and relates to the technical field of virtual reality, and the method comprises the steps: loading a virtual classroom environment and a teacher training task library, collecting teacher behavior data in real time, carrying out the multi-dimensional data analysis, and generating teacher emotional state data; performing multi-dimensional feature fusion and emotion classification analysis on the teacher emotion state data to obtain a teacher emotion type and an emotion intensity score; performing behavior mode adjustment and interaction strategy optimization on the teacher emotion type and emotion intensity score, and collecting student emotion response data in real time; and integrating the teacher interaction strategy adjustment suggestions to generate a comprehensive evaluation report and carrying out persistent storage. According to the invention, behavior mode adjustment and interaction strategy optimization are carried out on teacher emotion types and emotion intensity scores, and interaction execution and deviation correction based on student emotion fluctuation and reaction signals are realized.

A system for movement-based learning using a mat and computer system is disclosed, including a mat having a plurality of spaces each having a number displayed thereon. The mat is dimensioned to be stood upon by a student engaged in a movement-based learning activity. At least one user computing device is in operable connection with a user network. An application server is in operable communication with the user network to host an application system for providing a virtual classroom environment via a user interface module. A learning module provides at least one lesson associated with a concept to be learned using the mat as a learning enhancement tool. An assessment module provides assessments associated with the concept. An analysis module analyzes student inputs to the assessment interface and evaluates the student input to determine if the user input is correct. Results are displayed on a progress reports interface.

The invention provides a teaching system and method based on a VR virtual classroom, and relates to the technical field of virtual reality, and the teaching system comprises an obtaining unit which is used for obtaining the limb node coordinates of a user; the first recognition unit is used for acquiring VR teaching actions corresponding to the VR limb guide model according to the limb node coordinates, the VR limb guide model and the action arrangement; the execution unit is used for executing VR teaching actions through the VR limb guiding model to perform teaching guiding; the second identification unit is used for acquiring an actual action formed by the coordinates of the limb nodes according to the change of the coordinates of the limb nodes in the VR teaching action teaching process; the comparison unit is used for comparing the actual action with the VR teaching action to obtain a comparison result; and the generation unit is used for generating a next teaching plan corresponding to the action arrangement according to the comparison result. According to the teaching system and method, the learning enthusiasm and learning ability of the user can be improved on the premise of ensuring the teaching quality.

The invention discloses a virtual classroom teaching implementation method and system based on coherent mapping three-dimensional shape estimation, a medium and equipment, and the method comprises the steps: S1, modeling and recording: constructing a virtual classroom model and a teacher-student 3D model through combining U-V transformation and a coherent mapping geometric generation model, and recording the modeling information in a virtual classroom management workstation in advance; s2, logging in: acquiring and inputting 2D images of teachers and students by using a camera; s3, identification: identifying a teacher-student 3D model according to the teacher-student 2D image based on a DensePose algorithm and a coherent mapping geometric generation model; and S4, authentication: establishing an authentication model based on the teacher-student 3D model, performing authentication information interaction on the teacher-student 3D model in the step S3 and the modeling information according to a preset authentication protocol, and when the authentication succeeds, adding the corresponding teacher-student 3D model to the virtual classroom model, which indicates that the system login succeeds. According to the invention, a more flexible and vivid teaching process can be realized, and better offline teaching and learning experience can be provided.

A system is provided.SOLUTION: A system comprising: means for allowing a user to participate in a virtual classroom using a virtual reality headset and interact with teachers and other users in real-time; means for recreating historical events and cultural experiences using virtual reality technology to allow the user to experience them; and means for allowing the user to take lectures and answer questions in real-time with remote experts and instructors.SELECTED DRAWING: Figure 1

The invention discloses a multi-virtual-person simulated teaching method and a related device, and relates to the field of virtual teaching, multi-modal interaction data of a target object in a virtual classroom is acquired, a target dimension influenced by the multi-modal interaction data is determined, a state value of a virtual student under the target dimension is updated according to the multi-modal interaction data, and the state value of the virtual student under the target dimension is updated according to the updated state value. And the virtual students are driven to make related behavior feedback based on the updated state values, the multi-modal interaction data are obtained again until the teaching is finished, and teaching evaluation data are generated according to the multi-modal interaction data and the behavior feedback obtained in the teaching process. According to the method, state value updating is only carried out on the influenced target dimension, the lesson listening state jumping efficiency is improved, the training scene is more consistent with the real teaching situation, and teaching in the virtual training scene is safer and more controllable; and evaluation is carried out based on objective data of the teaching process, so that objectivity and credibility of teaching evaluation data are improved.

The invention relates to a VR teaching method and device based on the same virtual classroom. The method comprises the following steps: receiving a first access request about a first virtual classroom sent by a first VR terminal; determining a first target edge node corresponding to each first VR terminal according to the first classroom identifier and the terminal position information of the first VR terminal; receiving user feature information, sent by each first target edge node, of each first VR terminal in a first virtual classroom in the first target edge node; according to the second target user feature information, determining a cognitive matching degree of a student in the first virtual classroom for a current associated knowledge point in the current explanation path; and sending adjustment prompt information about the current explanation path to a first target edge node corresponding to the teacher VR terminal according to a path adjustment strategy corresponding to the cognitive matching degree. When the number of online people in a large-scale virtual classroom suddenly increases, jamming is avoided, and teachers are assisted in knowing teaching conditions in time and adjusting the teaching conditions to an optimal explanation state.

The invention provides a virtual classroom management method and device, electronic equipment and a medium, and can be applied to the technical field of big data and the technical field of artificial intelligence. The method comprises the following steps: in response to a target education scene selected by a user, providing a virtual interaction platform based on the target education scene; respectively creating digital identities for the user, the teacher and the manager, wherein the digital identities are used for enabling the user and the teacher to perform real-time interaction and communication on the virtual interaction platform; in response to the fact that the user logs in the virtual interaction platform by using the corresponding digital identity, collecting virtual reality feature data of the user in the target education scene; performing real-time analysis on the emotion state of the user based on the virtual reality feature data to obtain the satisfaction degree and the acceptability of the user; and sending the user satisfaction degree and the acceptance degree to a manager, and obtaining a monitoring result and a management decision, returned by the manager, of the operation state of the virtual classroom.

The invention discloses a virtual reality operation process adaptation method for a classroom virtual experiment, and relates to the technical field of virtual classs.The method comprises the following steps that hand posture data and operation data of a target object are obtained; performing feature analysis and template matching on the hand posture data according to a sliding window to generate a gesture candidate set, and performing time mapping on the operation data according to the gesture candidate set to generate a credibility sequence; and performing event anomaly evaluation on the operation data according to operation event segments, and performing time sequence accumulation on an event anomaly evaluation result and the gesture candidate set on the same operation event according to the credibility sequence to generate a risk accumulation curve. According to the scheme, the exception index of the operation event is matched with the preliminary matching fragment according to the timestamp, and the matching result is subjected to weighted calculation in combination with the credibility sequence, so that the risk assessment is ensured to consider the size of the operation exception and the reliability of gesture execution.

The present application relates to the technical field of online education, and proposes an education content delivery method and system based on live learning optimization, comprising: collecting voice and image information of students in each classroom node cycle, evaluating their interactive behavior, and generating a trusted fusion state; constructing a virtual classroom space with the teacher located in the center; each learning group is assigned a unique circular angle, and the straight-line distance is determined by the trusted fusion state; and labeling the basic information and real-time state attribute keywords of students in the virtual classroom, with the real-time state attribute keywords represented by color and / or text labels to represent the classroom concentration; the present application completes multi-modal perception and data dimension reduction processing on the terminal side, only transmits low-dimensional state parameters, realizes privacy protection and low-latency response, and significantly improves the real-time performance, interactivity and teacher decision-making efficiency of online teaching.

The invention relates to the technical field of immersive interactive education, in particular to an interactive teaching platform based on meta universe and an operation method thereof, comprising a scene configuration module, a classroom management module, a course transaction module, a course access module, an equipment sharing module, an equipment connection module, a teaching interaction module and a report generation module. The platform allows a training institution or a teacher to create and put on courses based on a virtual digital classroom, escape and risk avoiding or sand table deduction scene; after the student purchases the course, if the VR equipment is not connected, the equipment can be leased through an equipment sharing interface provided by the platform; after establishing connection between the student end and the VR equipment, the platform accesses the student end and the VR equipment into a corresponding virtual classroom for immersive learning, and acquires interaction data; and after the course is finished, a classroom report is automatically generated and sent to teachers and students. According to the platform, the integration of meta universe teaching and hardware leasing service is realized, the experience threshold is reduced, and a complete teaching business closed loop is formed.

The invention relates to a collaborative universe classroom method, which belongs to the field of universe classrooms, and comprises the following steps: constructing a three-dimensional scene of a virtual classroom, including a platform, a blackboard, student seats and teaching experiment equipment, and designing virtual avatar models of teachers and students; constructing an expression and action database, collecting expression and action data of teachers and students through an action capture technology, and carrying out standardization processing and classification labeling on the data; facial expressions, actions and sound data of teachers and students are collected in real time through VR glasses, a camera, a microphone and action capture equipment; and the collected data is matched with the expression and action database, and the performance of the virtual avatar is updated, so that real-time interaction between the teacher and the students in the virtual classroom is realized, and the interaction efficiency between the teacher and the students is improved.

The application provides a virtual classroom interaction method and system based on knowledge representation and reasoning, wherein student interaction data flow in a power system training virtual classroom is acquired, knowledge granularity decomposition processing is performed on the student interaction data flow, a knowledge tuple set containing concept nodes and relationship edges is generated, the knowledge tuple set is input into a reasoning engine to perform multi-dimensional reasoning processing, a student knowledge mastery state vector and a learning demand prediction vector are generated, interaction content generation processing is performed based on the knowledge mastery state vector and the learning demand prediction vector, classroom interaction response data with adaptability is generated, the classroom interaction response data is fed back to a virtual classroom interaction interface, and a dynamic interaction process of student learning state and classroom feedback is formed. The application effectively enhances the pertinence and practicality of virtual classroom interaction, thereby improving the learning effect of students in power system training.