337 results about "Network teaching" patented technology

The invention provides a network teaching method and a system. The system comprises multiple user terminals and a server. The user terminals communicate with the server via the network. The method comprises a data acquisition step, a synchronous display step, a real-time recording step and a broadcasting and replaying step. In the data acquisition step, image data, application data and / or audio data in the network teaching processes are acquired and are used for synchronous display and real-time recording. In the synchronous display step, the acquired data are automatically synchronously displayed or transmitted on student user terminals. In the real-time recording step, the acquired data are separately stored into a database, so users can download the data. In the broadcasting and replaying step, according to the users' requests, the recorded and stored data are transmitted to the users and are combined and redisplay the teaching processes on the user terminals.

The invention provides a network teaching method and system. Double identity verification of face recognition and voice recognition is realized, the voice signal collection accuracy in a teaching process, an oral training process, a test process and an examination process are scored and assessed by a plurality of models, so that the assessment accuracy is improved, the network teaching is more autonomous and effective, and particularly in reading and listening and recitation teaching, the authenticity and effectiveness of learning can be improved by these functions of the system. By adopting the method provided by the invention, the face recognition is combined with the voice recognition, the user identity is checked before an oral test or system login of the user, and the user can be better encouraged to carry out a human voice test in a use process.

The invention provides an effective recording and playing method and system. The recording and playing method and system are characterized in that in an online teaching process or an online meeting, operation of functions of multimedia whiteboard by a user, speech / voice of the user, communication voice with other users and / or tutoring voice and the like are recorded to respectively form different data streams; and a united timestamp can be generated by an online teaching system to mark various data streams rather than completely recording the whole event in a form of streaming media so that network users can conveniently download various data steams which need to be played via a network from a Cloud server or a local area network server anytime anywhere; after obtaining the data streams, clients of user terminals can obtain the data streams on line according to the timestamp and organically combine and play the data streams to the users, thus finishing the on-demand browsing.

A course guiding system based on non-zero start point and knowledge point in network education belongs to the field of computer technologies. The invention includes an initial knowledge domain construction module, an individualized knowledge domain generation module, an individualized learning route generation module, a history learning record module, a knowledge structure level evaluation module, and an individualized learning resource recommendation module. With knowledge point as the core, the invention constructs courses into the corresponding knowledge point tree and graph among knowledge points; learners are examined on knowledge points at each stage; by the analysis of learners' learning data and test of learning effect, the system obtains the learning status of learners at each knowledge point, their learning prediction result and knowledge point structure, recommends the corresponding learning resources and students to learners, and helps learners form the self-organized learning community to enhance the learning quality.

The invention provides a student state determination method, device and system. The method is applied to an online network teaching scene. A student side terminal of a network is equipped with a modality acquisition apparatus. The modality acquisition apparatus comprises a camera, an eye tracker and a body feeling instrument. The method comprises the following steps: obtaining data collected by the modality acquisition apparatus through the student side terminal, the data comprising expression data collected by the camera, eye data collected by the eye tracker and body state data collected by the body feeling instrument; based on image recognition technology, carrying out analysis processing on the expression data and the eye data to obtain emotion state information and fatigue and concentration degree state information of each student; and carrying out joint analysis on the body state data, the emotion state information and the fatigue and concentration degree state information to obtain state information of each student, wherein the state information comprises a high attention state, a low attention state and a dependence attention state. The student state determination method, device and system help teachers to know the learning state of each student clearly in network teaching.

The invention relates to an intelligent terminal network teaching method. The intelligent terminal network teaching method comprises the steps that communication connection among the interior of a teaching terminal, the interior of a learning terminal, the interior of a parent management terminal, the interior of a server and the interior of a service platform is set up; the teaching terminal is used for recording the course of a teacher and uploading and storing the course of the teacher in the server; the learning terminal feeds information back to the teaching terminal through the server, and the teaching terminal answers the fed back information correspondingly; the parent management terminal is used for maintaining parent information; data are stored in the server and used for being called by the teaching terminal, the learning terminal and the parent management terminal, and the server is used for carrying out data interaction with other external devices; the teaching terminal and the learning terminal both are in information interaction with the service platform, a teacher management module, a student management module and an intelligent search module are arranged in the service platform, and the intelligent search module comprises an image retrieval module and an image recognition module; the learning module and a sign-in management module carry out information transmission. The intelligent terminal network teaching method can be used for developing a pre-class lesson preparing application, a classroom teaching application, an after school care application, a remote education application and the like based on the Internet.

This invention discloses one public platform for electric commercial teaching, which comprises electric commercial analogue system, online remote study system, interacting community system, online remote check system and online electric commercial practice system, wherein, the electron commercial analogue system is for each platform; the online remote study system analyzes each knowledge point in the system; the interacting system is one internet interacting teach platform with complete network teach ability; the online remote check system tests each knowledge point; online commercial practice system is to train student real operation ability.

The invention provides a network teaching method and system with a voice assessment function. According to the voice assessment method provided by the invention, a phoneme state of a voice is used for replacing a multi-Gaussian mixture model trained by a conventional Mel-frequency cepstral coefficient (MFCC), and a posterior probability and a zero-order Baum-Welch statistical magnitude are calculated according to the feature. A voice feature based on phonemes is extracted through a multi-language phoneme identifier. A feature based on multi-language extraction is complementary during catching of non-native pronunciation information, and a feature based on phoneme duration is effective in automatic native accent assessment. Finally, a fusion system is provided in the method, so that Spearman relevant coefficients of 0.5706 and 0.6089 are reached on a development set and a test set. As indicated by the relevant coefficients, the method provided by the invention is very accurate and effective in oral speech assessment.

The invention discloses a method for obtaining the energy loss analysis parameter answer value of a furnace of a thermal power set, which comprises the following steps of: building a furnace operation characteristic neural network teaching model with a neural network technology according to furnace operation history working condition data; optimizing the air distribution coal distribution combustion operation parameter of each history working condition of the furnace by taking the highest furnace efficiency as an optimal target through a genetic algorithm optimization technology according to the model; comparing the air distribution coal distribution combustion operation parameter of each history working condition with the corresponding optimizing value, and if the difference therebetween is within a given range, marking the corresponding working condition as an 'optimization working condition'; building a computation model of the exhaust gas temperature, the exhaust gas oxygen quantity and the fly ash carbon content answer value of the furnace by taking the history working condition data which is marked as the 'optimization working condition' as a sample; and being capable of computing the exhaust gas temperature, the exhaust gas oxygen quantity and the fly ash carbon content answer value of the furnace under the conditions of different loads and different coal qualities through the computation model. The method is more reasonable.

The invention provides a method for implementing a P2P (peer-to-peer)-based mass network teaching e-commerce platform in real-time interaction, so that online interactive teaching and link management of information and capital are implemented. A system integrates personal information management, curriculum information management, transaction management and interactive teaching software, and comprises a user management module, a curriculum management module, a transaction management module, multimedia teaching software, a multimedia community, an online experience module and a background management module.

The invention relates to a facial-recognition-based network teaching method and system. Facial feature identification can be carried out on a student in real time during the whole courseware learning period, so that the network teaching can realize the same effect as the face-to-face teaching. Meanwhile, a certain number of times of failure is allowed, so that a stable and smooth learning environment can be provided for the student in a real-time monitoring mode and the learning of the student can be prevented from being influenced due to the detection failure or other factors. In addition, the system also provides expression management, so that the teacher can know the reflection of the student conveniently during the courseware learning and thus the network teaching environment is close to the face-to-face teaching. On the basis of the off-line learning function provided by the system, the student can carry out learning on any occasion and an objective of real-time monitoring can be achieved. Besides, with the log management module provided by the system, no more network flow is increased because of real-time monitoring when the student uses a mobile terminal for learning, thereby lowering the learning cost.

The invention relates to the technical field of network teaching and specially discloses a teaching system used for assisting the teaching process and a teaching method thereof. The system comprises a teacher end and a student end. The teacher end comprises a classroom comment module, an electronic lesson preparation teaching plan calling module, a teaching material resource calling module, a group interaction module, an electronic whiteboard module, a quiz calling module, an after-class assignment calling module, a video recording calling module and a micro-course assistant calling module. The student end comprises a classroom on-line task module, a classroom on-line assignment module, a video recording calling module and a micro-course assistant calling module. The system can improve the lesson preparation efficiency of the teacher and is beneficial for promoting interactive teaching.

The embodiment of the invention provides a method for generating statistical information.The method is characterized by including the steps that a server obtains question information; the server transmits the question information to M first terminals so that the first terminals can display the question information and receive first answering information input by users according to the question information; the server receives the first answering information transmitted by the N first terminals and generates the first statistical information according to a preset cycle or the preset amount of the answering information and the received first answering information in the process that the server receives the first answering information transmitted by the N first terminals; the server transmits the first statistical information to the first terminals which have transmitted the first answering information.The first answering information is subjected to statistics through the first statistical result; as the first statistical result is transmitted to the corresponding first terminals, information interaction between the multiple terminals is improved, the teaching scene is simulated, and the interactivity of network teaching is improved.

The invention discloses a tracking camera, record information acquisition processing live broadcast network teaching system. The tracking camera, record information acquisition processing live broadcast network teaching system comprises a field acquisition layer, a central management layer and a user experience layer, wherein the field acquisition layer is provided with a plurality of main broadcast classrooms, the main broadcast classrooms are communicated with the central management layer through a local area network, and each main broadcast classroom is provided with a teacher automatic tracking camera system, a student scene high-speed location camera system and a classroom panorama camera; the central management layer is provided with a courseware real-time recording system, a class synchronous live broadcast system and a video-on-demand release system, the central management layer is operated and controlled by management workers, the central management workers convey to the user experience layer through the internet, and the user experience layer comprises branch classrooms or terminal PCs. The tracking camera, record information acquisition processing live broadcast network teaching system automatically generates a teaching live scene while teachers teach on the scene, a valuable teaching live scene of a course is generated and live broadcasted and stored in a streaming media mode at the same time for broad teachers, students and administrators to watch in real time, and after-class video-on-demand, watching and studying are achieved.

The invention discloses a searching method of network teaching resource facing teaching task based on knowledge. The individual searching method of network teaching resource comprises the following steps: firstly, completing off-line settling and storing of a teaching resource searching listing in a preprocessing stage, and then providing real-time resource individual searching service for the teaching task of a teacher user by retrieving and real-time handling the teaching resource searching listing in a real-time searching stage. The individual searching method of the network teaching resource combines knowledge description of the teaching task with behavior characteristics of the teacher user and has the advantages of being powerful in semantic characteristics, good in resource searching expansion ability and capable of achieving control of searching expansion depth, and capable of expressing characteristics and innovation. With adoption of the method, the individual searching method of the network teaching resource can aim at on-going teaching task of the teacher and further has the advantages of accurately selecting and pushing content closely related to the teaching task from large quantities of network teaching resources, bringing convenience for the teacher to complete the teaching task of teaching design, lesson preparing and the like, and meanwhile fully utilizing the network teaching resource.

The invention provides an on-line course editing system and a method for establishing on-line courses and belongs to the field of network teaching platforms. A teacher creates learning scheme design and the on-line courses are generated by arranging an individual homework template, and simultaneously homework type, homework submitting type, activating homework addition type and various assessing types can be arranged. A learner can submit individual homework according to personal learning characteristics and learning level. By means of the on-line course editing system and the method for establishing the on-line courses, series of on-line courses can be established by utilizing an established teaching design scheme, authority roles including a counselor, an assessor and the like can be added, and individual learning and cooperative learning can be conducted effectively.

The invention discloses a teaching system based on augmented reality. According to the teaching system based on the augmented reality, the teaching process of teachers is photographed into teaching video materials, the teaching video materials and image-text feature information of textbooks are combined and stored in a server, and students can obtain the teaching video materials through a display terminal in an on-line or off-line mode. When the students browse image-text materials of the textbooks through the display terminal, the display terminal can make the teaching video materials corresponding to the image-text materials and the image-text materials generate videos for display through the augmented reality technology if necessary. The teaching system based on the augmented reality reproduces the teaching process of the teachers vividly through the display terminal, so that the students will not feel boring any longer when reviewing lessons; meanwhile, the videos displayed by the display terminal repeat the teaching process of the teachers, memory of the students is enhanced. The teaching system based on the augmented reality can also be constructed into an online network teaching system, so that network teaching is more vivid and visualized, and the quality and effect of the network teaching are improved. Furthermore, the teaching system based on the augmented reality can generate the teaching videos of the teachers conveniently and makes it convenient for the students to use.

The invention provides a teaching record data correcting device. The teaching record data correcting device converts speech signals obtained during network teaching or online conference into original speech data with time stamps, identifies and converts the original speech data into original text data through a speech recognition model, verifies the original speech data, replaces old text content to be corrected with new text content to achieve correction of the original text data to form corrected text data, and through positioning of the time stamps, replaces the corresponding speech data fragments of the oil text content with the standard speech data of the new text content to form corrected speech data. The teaching record data correcting device can correct teaching record data and solve the problem of trouble or misleading led to users due to various problems such as errors, speech omission or non-standard expression during class teaching.

The invention relates to the technical field of streaming media data processing and network communication, in particular to a real-time interactive teaching system based on application-layer multicast services. The interactive teaching system comprises a teaching terminal and an attending terminal, wherein the teaching terminal and the application-layer multicast protocol constitute an application-layer multicast overlay network, thus achieving the real-time transmission of multimedia data for teaching and carrying out real-time interaction between the teaching terminal and the attending terminal. Accordingly, the invention aims to combine the application-layer multicast services with the streaming media, thus providing a network teaching environment having the advantages of short time delay, low requirements for bandwidth, high quality of audio and video transmission and real-time interaction, solving the problem that the conventional teaching process is constrained temporally and spatially, and expanding the teaching scale at the same time.

An embodiment of the invention relates to an online teaching method and device. The method includes: receiving a first student lesson-taking request transmitted by a first student end, wherein the first student lesson-taking request comprises information of a first student; receiving a teacher lesson-giving request transmitted by a teacher end, wherein the teacher lesson-giving request comprises the information of a teacher; determining a second student matched with the information of the first student according to the information of the first student; determining that the first student and the second student are the student members of one class; determining that the teacher matched with the information of the first student is the teacher of the class according to the information of the first student and the information of the teacher. The online teaching method and device has the advantages that the class and the teacher can be automatically distributed for the students according to the conditions of the students, class division efficiency during online teaching can be increased, and teaching efficiency and teaching quality can be increased favorably.

The invention discloses a homework correction system and method implemented on a network teaching platform, comprising: a user terminal, in which a homework module is installed, and the user terminal is provided with a network module and a submission module, and the network module is used for Communicating with the server through the network, and the submission module is used to send delivery instructions to the server; the teacher terminal is installed with a correction module, which includes a video playback module, an evaluation module and a marking module, and is used to generate correction files; The server is connected to the user terminal and the teacher terminal through the network, and the server includes a two-way distribution module and a distribution track recording module, and the two-way distribution module is first used to distribute the homework files received from the user terminal according to predetermined rules to a specific teacher terminal. The homework correction system and method implemented on the network teaching platform of the present invention realize teaching interaction and can achieve better learning effects.

The invention relates to the technical field of network teaching, and specifically discloses a class test realizing system applied to a teaching process and a realizing method thereof. The system comprises a teacher end and a student end. The teacher end comprises a test library management module, a test entering editing module and a teacher data statistic module. The student end comprises a student answer module and a student score inquiry module. The system has the advantages of novel form, being receptive to students, consolidated learning and improved efficiency.

The device comprises electronic board, projector, infrared positioning receptor, command sender, and computer. Characters are as follows: patented product of photosensitive hydrolysis dust free plate is adopted in the board; receptors are fixed at two up corners of the board; signal intensifier is installed behind the faceplate, and conversion socket is on the side of the board. Receptor through signal intensifier and conversion socket is connected to RS232 interace. Data signal through signal intensifier are transmitted between the receptor and computer. Operating the device and controlling method are executed by teaching main program of the electronic board. The board possesses features of large size, no retroreflection, and good visual effect. Controlling functional menu and operation of main program, operation system and other application programs run under multiple threaded interactively. The invented device integrates traditional tool with computer and network teaching resources.

The invention discloses a network teaching management system, which relates to the field of information security. The network teaching management system comprises a certificate authority (CA) center, a digital certificate module, a digital signature module and a digital rights management (DRM) module. A user acquires a corresponding digital certificate at the CA center by the digital certificate module, logs in the network teaching management system by the corresponding digital certificate, is authenticated by the digital certificate module, quits the network teaching management system if the user does not pass the authentication, performs a query operation and a browsing operation by the digital certificate module, realizes class selection and school record management by the digital signature module, and downloads teaching resources by the DRM module. The network teaching management system prevents own resources from being easily impacted, and ensures the availability, integrity and consistence of teaching management information.

The invention discloses a method for network teaching answering, which is characterized in that a problem inquiry area is set and used for storing customized problems with answering information in a network side answering layout, and then carries out the following steps: receiving a problem to be answered which is submitted by a student through a network; when the problem inquiry area has the customized problem which is the same as or similar to the problem to be answered, displaying the answering information of the customized problem, otherwise, displaying the problem to be answered; and receiving answering information that a teacher answers the problem to be answered through the network, and storing and displaying the problem and the answering information. By using the method, the network data storage capacity can be effectively reduced, the working efficiency of network teaching is improved, and a part of problems or answering information which are difficult to describe or cannot be described by characters can be definite, so that the quality and the efficiency of network answering are greatly improved.

The invention relates to the technical field of network teaching, and particularly discloses a homework implementation system and implementation method for teaching process. The system includes a teacher terminal and a student terminal, the teacher terminal includes an item bank management module, a work inputting and editing module, and a teacher data statistic module, and the student terminal includes a student answering module and a student score query module. The system can realize the homework diversification, provides convenience for the teacher to correct the homework, and can realize the interactive study of parents and children.

The invention discloses a guidance of learning method and a learning system combining ontology and clustering analysis technology. The method includes the following steps: 1. constructing courses; 2. acquiring user information; 3. constructing a user initial clustering community; 4. formulating a learning plan; 5. conducting user clustering and constructing a community; 6. updating the state of the user and the learning plan; and 7. evaluating the courses and updating resource archive. According to the invention, the method establishes the user community which enables scattered students who have same characteristics and similar behaviors to get together to learn and communicate and addresses the ubiquitous "loneliness" of learning. The learning system includes a P2P community self-organizing module which provides a resource sharing and evaluating interface for users and makes the network teaching resources more plentiful. The method and the learning system provide a personalized course learning plan, recommends object learning knowledge points, object learning resources and learning time lengths to the user, and increases the learning quality and efficiency of the user.

The invention provides a one-to-one network teaching mode and a management method thereof. According to the method, a learner firstly registers to be a member and then books or cancels a course on network according to the class period arranged on a website by each teacher; when the course booking time approaches, a special on-line course schoolroom is automatically established and opened for the teacher and the learner to access; the teacher carries out video interactive teaching for the learner; the teacher and the learner can respectively take notes in the teaching process, and after the course is finished, the note contents are directly stored in a database of the website, so that review can be carried out according to the note contents in the future or the note contents can be used as reference data for follow-up teaching.

The invention discloses an online teaching management system which is suitable for being used by various types of college teachers and students. The system uses SQL server2000 as a database platform. A JSP technology realizes various accesses, such as querying, modifying, deleting, entering and updating, to a database. A B / S mode is used. An administrator carries out maintaining through the Internet. The difficulty of website development is reduced, and access and management are unified. The system is composed of three modules of a teacher teaching system, a student learning system and a teaching management system. The modules are interrelated and match each other to form a complete network teaching system. Various teaching resources and student information are effectively managed. The original system is integrated and optimized. Teaching is conveniently and quickly carried out. A flexible and comprehensive multimedia teaching environment is established.

The invention discloses a system for network teaching answering, which comprises an information receiving module, an information acquisition comparing module, a storage module and a display module, wherein the information receiving module is used for receiving problems which are submitted through a network and are to be answered, receiving answering information which is submitted through the network and answers the problems to be answered, and providing the answering information to the display module; the information acquisition comparing module is used for acquiring key characters / words of the problems to be answered, acquiring the customized problem and the answering information thereof when judging that the key characters / words of the problems to be answered are the same as key characters / words of one customized problem, and providing the customized problem and the answering information thereof to the display module; the storage module is used for storing the customized problems with the answering information; and the display module is used for displaying the received problems to be answered and / or the answering information. By using the system, the network data storage capacity can be effectively reduced, and the working efficiency of network teaching is improved.