17 results about "Virtual classroom" patented technology

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.

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 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.

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 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 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.

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 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 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.