CN103413472B - Method and system for achieving network synchronous classroom - Google Patents

Method and system for achieving network synchronous classroom Download PDF

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CN103413472B
CN103413472B CN201310366776.0A CN201310366776A CN103413472B CN 103413472 B CN103413472 B CN 103413472B CN 201310366776 A CN201310366776 A CN 201310366776A CN 103413472 B CN103413472 B CN 103413472B
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teaching
main
class
classroom
client
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CN103413472A (en
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胡加明
刘晓东
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苏州阔地网络科技有限公司
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/08Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/14Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/06Electrically-operated educational appliances with both visual and audible presentation of the material to be studied

Abstract

本发明提供一种网络同步课堂实现方法及系统。 The present invention provides a network synchronization method and system class. 上述方法包括以下步骤:主课堂的定位摄像机监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机;主课堂的跟踪主机发送控制指令至主课堂的跟踪摄像机及主课堂的教学客户端;主课堂的教学客户端接收控制指令后,根据当前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器发送图像处理指令;主课堂的图像拼接器根据从主课堂的跟踪摄像机获取的跟踪视频信息及从主课堂的教学客户端接收的图像处理指令,形成组合视频推送至主课堂的教学客户端;主课堂的教学客户端通过流媒体服务器将当前输出的音视频信息发送至辅课堂的教学客户端。 Said method comprising the steps of: positioning the camera to monitor the main class into the main motion class teachers and students, and transmits to the master tracking host classroom students and teachers motion information; master class tracking host sends control commands to the main class tracking camera and the main classroom teaching client; classroom teaching customer master receives the target video control command, according to the current teaching mode, determines that output image and sends the image processing instructed by the primary class splicer; main classroom image mosaic according to the tracking video information acquired from the main class-tracking camera and image processing instructions received from the instruction client main class, forming combined video pushed to the main classroom teaching client; teaching client main class by streaming the server sends the audio and video information of the current output to the secondary classroom teaching clients.

Description

一种网络同步课堂实现方法及系统 A network synchronization method and system for classroom

技术领域 FIELD

[0001] 本发明属于网络通信领域,尤其涉及一种网络同步课堂实现方法及系统。 [0001] The present invention belongs to the field of network communication, particularly to a network synchronization method and system class.

背景技术 Background technique

[0002] 随着互联网的普及推广,远程教学在信息发达的今天已经成为一种常见的教学方式。 [0002] With the popularization of the Internet, distance learning in the information developed today has become a common way of teaching. 然而,目前网络教学课堂的功能比较单一,虽然能够实现远程传送,但是对于教学的在线互动性较差,无法有效提高教学质量。 However, the function of the network classroom teaching relatively simple, although the remote transmission can be achieved, but for the poor online interactive teaching, can not effectively improve the quality of teaching.

发明内容 SUMMARY

[0003] 本发明提供一种网络同步课堂实现方法及系统,以解决上述问题。 [0003] The present invention provides a network synchronization method and system class to solve the above problems.

[0004] 本发明提供一种网络同步课堂实现方法。 [0004] The present invention provides a network synchronization class implementation. 上述方法包括以下步骤:主课堂的定位摄像机监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机;主课堂的跟踪主机发送控制指令至主课堂的跟踪摄像机及主课堂的教学客户端; 主课堂的教学客户端接收控制指令后,根据当前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器发送图像处理指令;主课堂的图像拼接器根据从主课堂的跟踪摄像机获取的跟踪视频信息及从主课堂的教学客户端接收的图像处理指令,形成组合视频推送至主课堂的教学客户端;主课堂的教学客户端通过流媒体服务器将当前输出的音视频信息发送至辅课堂的教学客户端。 Said method comprising the steps of: positioning the camera to monitor the main class into the main motion class teachers and students, and transmits to the master tracking host classroom students and teachers motion information; master class tracking host sends control commands to the main class tracking camera and the main classroom teaching client; classroom teaching customer master receives the target video control command, according to the current teaching mode, determines that output image and sends the image processing instructed by the primary class splicer; main classroom image mosaic according to the tracking video information acquired from the main class-tracking camera and image processing instructions received from the instruction client main class, forming combined video pushed to the main classroom teaching client; teaching client main class by streaming the server sends the audio and video information of the current output to the secondary classroom teaching clients.

[0005] 本发明还提供一种网络同步课堂实现系统,包括主课堂系统、辅课堂系统以及流媒体服务器。 [0005] The present invention further provides a network synchronization system for implementing class, includes a main class system, auxiliary systems, and the streaming server class. 主课堂系统包括定位摄像机、跟踪主机、跟踪摄像机、主课堂的教学客户端以及主课堂的图像拼接器。 Main classroom system includes a camera positioning, tracking host, tracking cameras, the main classroom teaching clients and the main classroom image stitcher. 辅课堂系统包括辅课堂的教学客户端。 Secondary classroom teaching system includes a client auxiliary class. 主课堂的跟踪主机分别连接定位摄像机、跟踪摄像机以及主课堂的教学客户端,主课堂的图像拼接器分别连接主课堂的教学客户端及跟踪摄像机,主课堂的教学客户端通过流媒体服务器连接辅课堂的教学客户端。 Main class tracking host are connected to position the camera, tracking camera and the main classroom teaching client and master class image stitching are respectively connected to the main classroom teaching client and tracking cameras, the main classroom teaching client by streaming media server connected to the secondary classroom Teaching client end. 主课堂的定位摄像机,用于监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机。 The main classroom positioning cameras used to monitor into the main classroom teacher and the student movement, and teachers and students of sports information to track the host master class. 主课堂的跟踪主机,用于发送控制指令至主课堂的跟踪摄像机及主课堂的教学客户端。 The track hosts the main classroom, used to send control commands to the client tracking camera and teaching master classes in the primary classroom. 主课堂的教学客户端接收控制指令后,用于根据当前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器发送图像处理指令。 After the end of the main classroom teaching client receive control commands, according to the current teaching mode, the target determines that the output video image and sends the image processing instructed by the primary class splicer. 主课堂的图像拼接器根据从主课堂的跟踪摄像机获取的跟踪视频信息及从主课堂的教学客户端接收的图像处理指令,用于形成组合视频推送至主课堂的教学客户端。 Class main image mosaic according to the tracking information obtained from the main video class-tracking camera and an image processing terminal for receiving an instruction from the customer master classroom teaching, the combined video to the main push client for classroom teaching formed. 主课堂的教学客户端,用于通过流媒体服务器将当前输出的音视频信息发送至辅课堂的教学客户端。 Classroom teaching customer master terminal for transmitting audio and video information is output to the current instruction by the client auxiliary class streaming server.

[0006] 相较于先前技术,根据本发明提供的网络同步课堂实现方法及系统,通过主课堂及辅课堂的协助通信实现网络课堂同步。 [0006] Compared to prior art, the method and system for network synchronization according to the present invention provides a class, network synchronization classroom to assist communication with the master and auxiliary class by class. 此外,提高了网络同步课堂的自动化及智能化,从而提高教师的教学质量,提升学生的课堂体验。 In addition, improving automation and intelligent network synchronization classroom to improve teaching quality, enhance students' classroom experience.

附图说明 BRIEF DESCRIPTION

[0007] 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 [0007] The drawings described herein are provided for further understanding of the present invention, constitute a part of this application, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. 在附图中: In the drawings:

[0008] 图1所示为根据本发明的较佳实施例提供的网络同步课堂实现方法的示意图; The network is shown implemented method of providing synchronous classroom preferred embodiment of the present invention, a schematic view of an embodiment of [0008] FIG 1;

[0009] 图2所示为根据本发明的较佳实施例提供的网络同步课堂实现系统的示意图。 Is a schematic view [0009] FIG. 2 in accordance with the preferred embodiment of the present invention provides a network synchronization system for implementing the classroom.

具体实施方式 Detailed ways

[0010] 下文中将参考附图并结合实施例来详细说明本发明。 [0010] Hereinafter with reference to the accompanying drawings and embodiments of the present invention will be described in detail. 需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。 Incidentally, in the case of no conflict, embodiments and features of the embodiments of the present application can be combined with each other.

[0011] 图1所示为根据本发明的较佳实施例提供的网络同步课堂实现方法的示意图。 In order to achieve network synchronization method provided by the preferred class of embodiments of the present invention shown in a schematic view [0011] FIG. 如图1所示,本发明的较佳实施例提供的网络同步课堂实现方法包括步骤101~105。 1, the network synchronization classes provided by the preferred embodiment of the present invention comprises a method implemented in step 101 ~ 105.

[0012] 于步骤101,主课堂的定位摄像机监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机。 [0012] In step 101, the main class of camera surveillance to locate the main classroom teacher and the student movement, and teachers and students of sports information to track the host master class. 于此,主课堂的定位摄像机包括教师定位摄像机以及学生定位摄像。 This, position the camera main classroom, including teachers and students alignment imaging camera positioning. 主课堂的教师定位摄像机监控到主课堂内教师板书或教师在讲课过程中走动时,将此时的教师动态图像信息发送至教师跟踪主机;主课堂的学生定位摄像机监控到主课堂内的学生起立或坐下时,将此时学生动态图像信息发送至学生跟踪主机;另外,教师跟踪主机、学生跟踪主机可以合并为一个跟踪主机。 Teachers positioning the camera to the monitor main class main blackboard classroom or teacher teacher move during lectures, sends this time information to the teacher moving image tracking host teachers; classroom students main camera positioned to monitor the students in the classroom main stand when or sitting, this time to send the video information to the students the student tracking host; Further, tracking host teacher, student tracking host may be combined into a tracking host.

[0013] 于步骤102,所述主课堂的跟踪主机发送控制指令至主课堂的跟踪摄像机及主课堂的教学客户端。 [0013] In step 102, the main class tracking host transmits a control command to the tracking camera and the main classroom teaching master client class. 于此,主课堂的跟踪摄像机包括教师跟踪摄像机及学生跟踪摄像机。 Here, the main classroom of tracking cameras including teachers and student tracking camera tracking camera. 主课堂的跟踪主机根据从教师定位摄像机获取的教师动态图像信息及从学生定位摄像机获取的学生动态图像信息,发送控制指令至主课堂的教师跟踪摄像机、学生跟踪摄像机及主课堂的教学客户端。 Master class tracking Hosts get from a teacher position the camera moving image information teachers and dynamic image information students get from the student position the camera, send control commands to the teacher master class tracking cameras, student tracking teaching clients the camera and the main classroom. 其中,控制指令携带了运动方向信息、运动幅度信息以及信号来源信息。 Wherein the control command carries the motion direction information, motion information, and the amplitude of the signal sources of information. 如此,主课堂的教师跟踪摄像机或学生跟踪摄像机接收跟踪主机发送的控制指令后,可相应地跟踪教师或学生的运动进行拍摄。 Thus, the teacher or student tracking camera main class rear camera tracking receive tracking control command sent by the host, can correspondingly track the movement of the teacher or student shooting.

[0014] 于步骤103,所述主课堂的教学客户端接收所述控制指令后,根据当前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器发送图像处理指令。 After [0014] In step 103, the main classroom teaching client receiving the control command, according to the current teaching mode, the video needs to determine a target output, and sends the image processing instructed by the primary class image stitcher. 具体而言,主课堂的教学客户端接收控制指令后,结合自身当前的实际教学模式,判断输出哪路视频作为目标视频,并向主课堂的图像拼接器发送图像处理指令。 Specifically, after the main classroom teaching client receives a control command, with its own current actual teaching mode, which determines the output target video as the video, the image processing command from the host and sends the image class splicer. 其中,图像处理指令包括携带了目标视频输出信息。 Wherein the image processing comprises carrying instruction information output target video. 于此,教学模式的种类包括正常教学模式、有声资源模式、无声资源模式以及互动讨论模式。 Here, the kind of teaching mode includes normal teaching mode, sound resource mode, silent mode, resources and interactive discussion mode. 然而,本发明对此并不限定。 However, the present invention is not limited to this. 其中,于正常教学模式下,需要输出的目标视频为以主课堂的教师跟踪摄像机、学生跟踪摄像机或辅课堂的学生跟踪摄像机的视频信号为主;于有声资源模式下,需要输出的目标视频以主课堂的教学客户端的VGA (Video Graphics Array)信号为主;于无声资源模式下,需要输出的目标视频以主课堂的教学客户端的VGA信号为主;于互动讨论模式,需要输出的目标视频以主课堂的学生跟踪摄像机或辅课堂的学生跟踪摄像机的视频信号为主。 Which, under normal teaching mode, the target video requires output of teacher master class tracking cameras, student tracking cameras or secondary classroom student tracking camera video signal based; target video to audio resources mode, you need to output to Teaching client's primary classroom VGA (video Graphics Array) signal based; in silent resource mode, the target video requires output based on teaching the customer master class end of the VGA signal based; target video to interactive discussion mode, output in students master class tracking cameras or secondary classroom of students based tracking video camera.

[0015] 于步骤104,所述主课堂的图像拼接器根据从主课堂的跟踪摄像机获取的跟踪视频信息及从主课堂的教学客户端接收的所述图像处理指令,形成组合视频推送至所述主课堂的教学客户端。 [0015] In step 104, the main class of video image mosaic according to the tracking information obtained from the main class and the tracking camera image processing instructions received from the master client classroom teaching, push the forming combined video Teaching customer master class ends. 于此,主课堂的图像拼接器根据图像处理指令以及教师跟踪摄像机或学生跟踪摄像机的跟踪视频信息,形成相应教学模式下的组合视频,并将确定的组合视频推送至主课堂的教学客户端。 Thereto, the main image mosaic according to the class of the image processing instruction information and the tracking video camera teacher or student tracking camera tracking are formed in respective combined video teaching mode, the determined combined video and pushed to the client main classroom teaching. 于此,主课堂的图像拼接器会根据教学模式的不同,按需拼接出一主两辅的复合画面推送给主课堂的教学客户端。 Here, the main class image mosaic will teaching mode depending on demand two main splicing out a secondary screen pushes the main composite classroom teaching client.

[0016] 于步骤105,所述主课堂的教学客户端通过流媒体服务器将当前输出的音视频信息发送至辅课堂的教学客户端。 Audio and video information [0016] In step 105, the main classroom teaching client by streaming media server transmits to the output of the current teaching client auxiliary class. 于此,主课堂的教学客户端将当前输出的音视频信息通过流媒体服务器发送至辅课堂的教学客户端,如此,实现主课堂与辅课堂的信息同步。 Thereto, classroom teaching customer master terminal outputs the current audio and video information is transmitted to the secondary classes by teaching the client streaming media server, thus, achieve the primary synchronization information and secondary class class.

[0017] 于本实施例中,通过主课堂的教学客户端设定教学模式的种类、每种教学模式对应的教学时长、预警时间及切换顺序,主课堂的教学客户端根据相应的教学时长为对应的教学模式提供切换控制。 [0017] In the present embodiment, the setting type teaching mode by teaching the client main class, the length of each teaching mode corresponding to the instruction, warning time and the switching sequence, the main classroom teaching client according to the corresponding instruction length to provide the corresponding teaching mode switching control.

[0018] 具体而言,主课堂的教学客户端完成设置教学模式种类、每种教学模式对应的教学时长、预警时间及切换顺序后,启动定时触发功能,定时时间达到时,开启第一切换顺序对应的教学模式并通过流媒体服务器发送启动通知消息至辅课堂的教学客户端,其中,所述启动通知消息中携带了主课堂的教学客户端教学模式信息、该模式下对应的辅课堂的声音控制策略信息。 When [0018] Specifically, the main teaching client classroom teaching mode setting completion type, the length corresponding to each teaching teaching mode, and the warning time after switching, and start the timer function is triggered, the timing time is reached, turns on the first switching order corresponding teaching mode and transmits a start instruction to the secondary notification message class customer terminal, wherein the start notification message carries instruction information of the master client classroom teaching mode by the streaming media server, voice auxiliary class corresponding to this mode control policy information. 而且,于主课堂的教学客户端判断相应的教学模式的教学时长到达预警时间时,主课堂的教学客户端显示提示信息。 Further, in teaching the client determines the length of the main class warning arrival time at the respective teaching teaching mode, the teaching of the main class of the client display a message. 其中,所述提示信息包括相应教学模式的剩余教学时长以及提示教师是否愿意延长教学时长。 Wherein said prompt information includes the remaining length of the respective teaching teachers teaching mode and prompting willingness long extension instruction.

[0019] 此外,于本实施例中,不同教学模式对应设置不同的声音控制策略,主课堂的教学客户端于不同教学模式间切换时,根据对应的声音控制策略调整主课堂的声音控制,同时通知辅课堂的教学客户端。 When [0019] Further, in the present embodiment, different instruction modes corresponding to set a different sound control strategy, teaching customer master class ends in different teaching mode switch, according to the corresponding sound control strategy adjustment main class sound control, while customer notification secondary classroom teaching end. 其中,通知消息中携带如下信息:切换后的教学模式信息、切换后的教学模式对应的辅课堂的声音控制策略信息。 Wherein the notification message carries the following information: information teaching mode switching, auxiliary sound classroom teaching mode after switching the corresponding control policy information. 辅课堂的教学客户端根据通知消息完成设置教学模式切换及声音控制策略调整。 Teaching client secondary classroom teaching to complete the setup mode switch and sound control strategy adjusted according to the notification message.

[0020] 于本实施例中,于正常教学模式下,所述声音控制策略为:在主课堂,主课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入主课堂的教学客户端的输入口,在辅课堂,辅课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入辅课堂的教学客户端的输入口。 [0020] In the present embodiment, the teaching mode to the normal, the sound control strategy: the main class, the main class teaching client call microphone sound microphone sound acquisition module, and the audio signal access to the main class microphone Teaching client input port, the auxiliary class, classroom teaching secondary side calls the customer microphone sound microphone sound acquisition module, and the audio signal access to the secondary client teaching class microphone input terminal. 于有声资源模式下,所述声音控制策略为:在主课堂,主课堂的教学客户端调用声卡声音采集模块、麦克风声音采集模块,且对主课堂的教学客户端声卡输出信号和麦克风的输入信号进行混音,将混音后的音频信号作为声卡输入端口的输入信号,在辅课堂,辅课堂的教学客户端调用麦克风静音模块,进行静音处理,此时,辅课堂中的学生无法发言。 To sound resource mode, the sound control strategy: the main classroom teaching client main class calling card sound collection module, the microphone sound collection module, and the main classroom teaching client sound output signal and microphone input signal mix, the mix after the audio signal as an input signal input port of the sound card, in the secondary classroom, classroom teaching secondary end customer call mute the microphone module, mutes, this time, the auxiliary classroom of students can not speak. 于无声资源模式下,所述声音控制策略为:在主课堂,主课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入主课堂的教学客户端的输入口,在辅课堂,辅课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入辅课堂的教学客户端的输入口。 Resources in silent mode, the sound control strategy: the main class, the main class teaching client call microphone sound microphone sound acquisition module, and a microphone input audio signal teaching client access to the main class, the secondary class, classroom teaching secondary client calls microphone sound microphone sound acquisition module, and the audio signal access to the secondary client teaching class microphone input terminal. 于互动讨论模式下,所述声音控制策略为:在主课堂,主课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入主课堂的教学客户端的输入口,在辅课堂,辅课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入辅课堂的教学客户端的输入口。 Interactive mode under discussion, the sound control strategy: the main class, the main class teaching client call microphone sound microphone sound acquisition module, and a microphone input audio signal teaching client access to the main class, the secondary class, classroom teaching secondary client calls microphone sound microphone sound acquisition module, and the audio signal access to the secondary client teaching class microphone input terminal.

[0021] 于此,若教师于主课堂的教学客户端的设置如表1所示,则以下根据表1详细说明本实施例提供的网络同步课堂的实现过程。 [0021] In contrast, when the client is provided teachers teaching the main class as shown in Table 1, the following procedure to achieve network synchronization classes provided in Table 1 described in detail in accordance with the present embodiment.

[0022] [0022]

Figure CN103413472BD00061

Figure CN103413472BD00071

[0023] 表1 [0023] TABLE 1

[0024] 具体而言,教师可通过主课堂的教学客户端的教学设置界面设置教学模式、教学时长、预警时间以及切换顺序。 [0024] Specifically, the interface may be provided teachers teaching mode provided by the main class of client teaching teaching, teaching length, warning time and a switching sequence. 主课堂的教学客户端根据教师的设置获得如表1所示的综合信息。 The main classroom teaching clients access to comprehensive information as shown in Table 1 according to the teachers settings. 另外,教师选定定时时间(例如,10分钟),主课堂的教学客户端启动定时触发功能,于定时时间到达时,主课堂的教学客户端开启第一切换顺序对应的教学模式(如表1所示为正常教学模式)。 Further, the timing of the selected teacher time (e.g., 10 minutes), the main client classroom teaching start timing trigger function, the arrival time of the timing, the main teaching client classroom teaching mode corresponding to a first open switching order (as shown in Table 1 It shows the normal teaching mode). 此时,教师正式开始上课。 At this point, the teacher started the class. 同时,主课堂的教学客户端通过流媒体服务器向辅课堂的教学客户端发送启动通知消息,其中,启动通知消息携带正常教学模式信息(即当前主课堂的教学客户端的教学模式信息)及该模式下对应的辅课堂的声音控制策略信息。 Meanwhile, teaching the client main class transmission start notification message via the streaming media server to the teaching client auxiliary class, wherein the start notification message normal teaching mode information (i.e., current teaching pattern client's primary class information), and the pattern sound corresponding lower secondary classroom control policy information. 辅课堂的教学客户端接收所述启动通知消息后,设置当前模式为正常教学模式, 并确定当前声音控制策略为:辅课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入辅课堂的教学客户端的输入口。 After secondary classroom teaching client receives the start notification message, sets the current mode to the normal mode instruction, and determines the current sound control strategy: the client auxiliary class teaching call microphone sound microphone sound acquisition module, an audio signal and a microphone input client access secondary education classroom. 如此,辅课堂可与主课堂进行互动。 Thus, the secondary classroom can interact with the main classroom.

[0025] 具体而言,于正常教学模式下,若教师板书或在讲课过程中走动,则主课堂的教师跟踪摄像机跟踪教师的运动,主课堂的教学客户端发送图像处理指令至主课堂的图像拼接器,主课堂的图像拼接器根据从主课堂的教师跟踪摄像机获取的图像,拼接出以教师跟踪摄像机的输出为主的复合画面,并推送至主课堂的教学客户端。 Image [0025] Specifically, in the normal mode of teaching, if the teacher blackboard or walking during the lecture, the teacher teacher tracking camera tracking movement of the main class, the main class teaching client transmits an image processing instruction to the main class splice, splice the main image according to the class tracking camera acquired from the main classroom teacher image, a mosaic output tracking camera main teacher composite picture, and pushed to the client main classroom teaching. 主课堂的教学客户端通过流媒体服务器向辅课堂的教学客户端传递当前的音视频信息。 The main classroom teaching the client-side delivery of current audio and video information to the secondary classroom teaching customers by streaming server. 若主课堂的学生起立发言时,主课堂的学生定位摄像机会将学生动态图像信息发送至主课堂的跟踪主机,主课堂的跟踪主机根据接收的信息发送控制指令至学生跟踪摄像机及主课堂的教学客户端。 If the student stood up and spoke the main classroom, students locate the primary classroom motion picture camera will send information to track student host master class, master class tracking host send control commands to the student tracking camera and the main classroom teaching based on information received clients. 主课堂的教学客户端确定需要输出的目标视频以学生跟踪摄像机的信息为主,并向主课堂的图像拼接器发送图像处理指令。 The main classroom teaching clients need to determine the output target video camera tracking information to students mainly, and sends the image processing main classroom instruction image stitcher. 此时,主课堂的学生跟踪摄像机对学生进行特写跟踪,主课堂的图像拼接器接收图像处理指令后,拼接出以学生跟踪摄像机的输出为主的复合画面,并推送至主课堂的教学客户端。 At this time, the main classroom students student tracking cameras for close-up track, after the main class receives image mosaic image processing instruction, to output a spliced ​​out of the student based composite tracking camera screen, and pushed to the client main classroom teaching . 主课堂的教学客户端通过流媒体服务器向辅课堂的教学客户端传递当前的音视频信息。 The main classroom teaching the client-side delivery of current audio and video information to the secondary classroom teaching customers by streaming server. 若在主课堂发言的学生坐下,主课堂的学生定位摄像机将学生动态图像信息发送至主课堂的跟踪主机,跟踪主机解析上述信息,向主课堂的学生跟踪摄像机及主课堂的教学客户端发送控制指令,则主课堂的学生跟踪摄像机取消对发言学生的特写跟踪,同时,主课堂的教学客户端接收控制指令后,识别出此时没有学生发言,则确定以教师跟踪摄像机的信号为主要输出(若教师板书或在讲课过程中走动),并向主课堂的图像拼接器发送图像处理指令。 When students sit down in the main classroom speaking, the main classroom of students position the camera will transmit the moving picture information to track student host master class, the host track to resolve the above information is sent to the tracking camera and the main classroom teaching students the main client class control instructions, the main classroom student-tracking cameras to cancel speaking students a close-up track, while the main classroom teaching the client after receiving the control command, recognizes that no students speak at this time, it is determined that the teacher tracking signal from the camera as the main output (If the teacher lectures blackboard or walk process), and sends the image processing instructed by the primary class image stitcher. 主课堂的图像拼接器接收图像处理指令后,拼接出以教师跟踪摄像机的输出为主的复合画面,并推送至主课堂的教学客户端。 Class after the main image receiving image mosaic processing instruction, the teacher splicing tracking camera-based composite output picture, and pushed to the client main classroom teaching. 主课堂的教学客户端通过流媒体服务器向辅课堂的教学客户端传递当前的音视频信息。 The main classroom teaching the client-side delivery of current audio and video information to the secondary classroom teaching customers by streaming server. 此外,于此模式下,辅课堂的学生也可发言,此时,辅课堂的教学客户端采集辅课堂的音视频数据,通过流媒体服务器将其发送至主课堂的教学客户端。 Further, in this mode, the secondary classroom students can speak this case, the client auxiliary class teaching collection class auxiliary audio and video data by streaming server sends to the main classroom teaching client. 关于辅课堂获取辅课堂学生的发言的音视频数据的方式同主课堂的上述过程,故于此不再赘述。 Way to speak about the secondary classroom secondary classroom students get the audio and video data with the main classroom of the above process, and therefore omitted herein.

[0026] 此外,当主课堂的教学客户端处于正常教学模式的教学时长达到预警时间(例如表1所示教学时长达到18分钟时),主课堂的教学客户端显示提示信息,提示教师正常教学模式的剩余教学时长(例如,剩余2分钟)并提示教师是否愿意延长正常教学模式的教学时长。 [0026] Further, when teaching the teaching client master class in the normal teaching mode length to reach warning time (e.g., shown in Table 1 length to reach teaching 18 minutes), teaching the client main class display normal teaching mode prompt message indicating that teachers long (for example, the remaining two minutes) and prompts the teacher is willing to extend the normal teaching teaching mode when the remaining duration of teaching. 若教师选择延长正常教学模式的教学时长,则主课堂的教学客户端根据教师的选择设置延长时间,同时重新设置内部定时器对整个课程中的每个教学模式对应的教学时长的定时。 If the selected extension length of the normal teacher teaching teaching mode, the teaching of the main class of the client extension time setting according to the selection of the teacher, while the length of the internal reset timer for each teaching mode throughout the course of a timing corresponding to the instruction.

[0027] 当正常教学模式的教学时长达到设置时间(如表1所示20分钟)后或延长的教学时长也达到(例如,若延长时间为5分钟,则达到25分钟)后,主课堂的教学客户端将教学模式切换至有声资源状态,同时,通过流媒体服务器发送通知消息至辅课堂的教学客户端。 After [0027] When teaching the normal teaching mode length to reach the set time (shown in Table 1. 20 minutes) or prolonged teaching length reached (e.g., if the extension time of 5 minutes, 25 minutes), the main class client teaching the teaching mode is switched to sound resource state, while sending a notification message to the streaming server via the client auxiliary class teaching. 其中,通知消息中携带有声资源模式信息以及有声资源模式对应的辅课堂的声音控制策略信息。 Wherein the notification message carries the sound of the acoustic secondary classroom resource model information and resources with sound mode corresponding control policy information. 辅课堂的教学客户端接收通知消息后,切换当前模式为有声资源模式,并调整声音控制策略为:辅课堂的教学客户端调用麦克风静音模块,进行静音处理,此时,辅课堂中的学生无法发言。 After teaching the client auxiliary class to receive notification messages, switch the current mode with sound resource mode, and adjust the sound control strategy: teaching the client auxiliary class call mute the microphone module, mutes, this time, the auxiliary classroom of students can not speak.

[0028] 于有声资源模式下,主课堂的教学客户端根据有声资源存储的地址,调用有声资源进行播放。 [0028] to sound resource mode, the main classroom teaching the client according to the address stored audio resources, calls sound resource play. 其中,有声资源包括MP4、有声电子课件等。 Among them, there are sound resources, including MP4, audio and other electronic courseware. 在主课堂,声音控制策略为:主课堂的教学客户端调用声卡声音采集模块、麦克风声音采集模块,且对主课堂的教学客户端声卡输出信号和麦克风的输入信号进行混音,将混音后的音频信号作为声卡输入端口的输入信号。 In the main classroom, voice control strategy is: the main classroom teaching clients calling card sound collection module, microphone sound collection module, and the input signal to the main classroom teaching clients sound card and microphone output signals of the mix, the mix after the audio signal as an input port of the sound card input signal. 于此模式下,主课堂的教学客户端确定以VGA信号作为主要输出信号,并发送图像处理指令至主课堂的图像拼接器。 Under this mode, the primary client classroom teaching determined as the main signal in the VGA output signal, and transmits the command to the main image processing class image stitcher. 主课堂的图像拼接器拼接出组合视频,并推送至主课堂的教学客户端。 Class is the main image mosaic pieced combined video and pushed to the customer master classroom teaching end. 主课堂的教学客户端通过流媒体服务器发送当前的音视频信息至辅课堂的教学客户端。 Teaching the client to send the current main class of audio and video information to the client secondary classroom teaching through streaming media server.

[0029] 此外,当有声资源模式的教学时长达到预警时间(如表1所示教学时长达到8分钟时),主课堂的教学客户端显示提示信息。 [0029] Further, when the audio resource teaching mode to achieve the long warning time (shown in Table 1. When the instruction length to reach 8 minutes), the main classroom teaching the client display a message. 于此,提示信息的显示及操作如正常教学模式所述,故于此不再赘述。 Thereto, and prompt display of information such as normal operation of the teaching mode, it is omitted herein.

[0030] 当有声资源模式的教学时长达到设置时间(如表1所示10分钟)后或延长的教学时长也达到(例如,若延长时间为5分钟,则达到15分钟)后,主课堂的教学客户端将教学模式切换至无声资源模式。 After [0030] When teaching sound resource modes length to reach the set time (shown in Table 1. 10 minutes) or prolonged teaching length reached (e.g., if the extension time of 5 minutes, up to 15 minutes), the main class Teaching client teaching mode is switched to silent mode resources. 同时,主课堂的教学客户端发送通知消息至辅课堂的教学客户端。 Meanwhile, the main classroom teaching client sends a notification message to the client auxiliary class teaching. 通知消息携带无声资源模式的信息以及无声资源模式对应的辅课堂的声音控制策略信息。 Notification message silent mode resource information and resources silent mode corresponding secondary classroom sound control policy information. 辅课堂的教学客户端接收通知消息后,切换当前模式至无声资源模式,并调整声音控制策略为:辅课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入辅课堂的教学客户端的输入口。 Classroom teaching after the client receives the secondary notification message, the current mode is switched to the silent mode resources, and adjust the sound control strategy: the client auxiliary class teaching call microphone sound microphone sound acquisition module, and the secondary microphone audio signal access class the input port teaching clients.

[0031] 于无声资源模式下,主课堂的教学客户端根据无声资源存储的地址调用无声资源进行播放。 [0031] resources in silent mode, the main classroom teaching the client calls the silent resource play based on the address stored in a silent resource. 在主课堂,声音控制策略为:主课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入主课堂的教学客户端的输入口。 In the main classroom, voice control strategy is: the main classroom teaching clients call microphone microphone sound sound collection module, an audio signal and teaching customers access to the main classroom microphone input terminal. 于此模式下,主课堂的教学客户端确定以VGA信号作为主要输出信号,并发送图像处理指令至主课堂的图像拼接器。 Under this mode, the primary client classroom teaching determined as the main signal in the VGA output signal, and transmits the command to the main image processing class image stitcher. 主课堂的图像拼接器拼接出组合视频,并推送至主课堂的教学客户端。 Class is the main image mosaic pieced combined video and pushed to the customer master classroom teaching end. 主课堂的教学客户端通过流媒体服务器发送当前的音视频信息至辅课堂的教学客户端。 Teaching the client to send the current main class of audio and video information to the client secondary classroom teaching through streaming media server.

[0032] 此外,当无声资源模式的教学时长达到预警时间(如表1所示教学时长达到8分钟时),主课堂的教学客户端显示提示信息。 [0032] Further, when the teaching mode is silent resource reaches long warning time (shown in Table 1. When the instruction length to reach 8 minutes), the main classroom teaching the client display a message. 于此,提示信息的显示及操作如正常教学模式所述,故于此不再赘述。 Thereto, and prompt display of information such as normal operation of the teaching mode, it is omitted herein.

[0033] 当无声资源模式的教学时长达到设置时间(如表1所示10分钟)后或延长的教学时长也达到(例如,若延长时间为5分钟,则达到15分钟)后,主课堂的教学客户端将教学模式切换至互动讨论模式。 After [0033] When teaching the silent resource modes length to reach the set time (shown in Table 1. 10 minutes) or prolonged teaching length reached (e.g., if the extension time of 5 minutes, up to 15 minutes), the main class Teaching client teaching mode to interactive discussion mode. 同时,主课堂的教学客户端发送通知消息至辅课堂的教学客户端。 Meanwhile, the main classroom teaching client sends a notification message to the client auxiliary class teaching. 通知消息携带互动讨论模式的信息以及互动讨论模式对应的辅课堂的声音控制策略信息。 Notification message carries information and interactive discussion mode of interactive classroom discussions mode corresponding auxiliary sound control policy information. 辅课堂的教学客户端接收通知消息后,切换当前模式至互动讨论模式,并调整声音控制策略为:辅课堂的教学客户端调用麦克风声音采集模块采集麦克风声音,且麦克风的音频信号接入辅课堂的教学客户端的输入口。 Classroom teaching after the client receives the secondary notification message, the current mode is switched to discuss interactive mode, and adjust the sound control strategy: the client auxiliary class teaching call microphone sound microphone sound acquisition module, and the audio signal access to the secondary microphone classroom the input port teaching clients.

[0034] 于互动讨论模式下,主课堂的教学客户端确定需要输出的目标视频以主课堂的学生跟踪摄像机为主,并发送图像处理指令至主课堂的图像拼接器。 [0034] at an interactive discussion mode, the main classroom teaching the client needs to determine the target video output in the main classroom-based student tracking cameras, image processing and sends commands to the main classroom image stitcher. 主课堂的图像拼接器根据从主课堂的学生跟踪摄像机获取的图像,拼接出以学生跟踪摄像机的输出为主的复合画面,并推送至主课堂的教学客户端。 The main classroom according to tracking camera image mosaic taken from the main classroom student images to piece together the output of the student tracking camera-based composite picture, and pushed to clients of the main classroom teaching. 主课堂的教学客户端通过流媒体服务器向辅课堂的教学客户端传递当前的音视频信息。 The main classroom teaching the client-side delivery of current audio and video information to the secondary classroom teaching customers by streaming server.

[0035] 此外,当互动讨论模式的教学时长达到预警时间(如表1所示教学时长达到5分钟时),主课堂的教学客户端显示提示信息。 [0035] Further, when the teaching mode interactive discussion reaches long warning time (shown in Table 1. When the instruction length to reach 5 minutes), the main classroom teaching the client display a message. 于此,提示信息的显示及操作如正常教学模式所述,故于此不再赘述。 Thereto, and prompt display of information such as normal operation of the teaching mode, it is omitted herein. 需要注意的是,互动讨论模式的教学时长达到设置时间(如表1所示5分钟)后或延长的教学时长也达到(例如,若延长时间为5分钟,则达到10分钟)后, 整个教学课程结束。 Note that the long reaches the set time teaching interactive discussion mode (as shown in Table 1. 5 minutes) or after a prolonged duration teaching reached (e.g., if the extension time of 5 minutes, up to 10 minutes), the entire teaching end of the course.

[0036] 图2所示为根据本发明的较佳实施例提供的网络同步课堂实现系统的示意图。 Is a schematic view [0036] FIG. 2 in accordance with the preferred embodiment of the present invention provides a network synchronization system for implementing the classroom. 如图2所示,本发明的较佳实施例提供的网络同步课堂实现系统包括主课堂系统10、辅课堂系统12以及流媒体服务器11。 As shown, network synchronization classes provided by the preferred embodiment of the present invention enables classroom system 2 includes a main system 10, a secondary class and streaming media server system 12, 11. 主课堂系统10包括定位摄像机100、101、跟踪主机102、跟踪摄像机103、104、主课堂的教学客户端105以及主课堂的图像拼接器106。 Classroom positioning system 10 includes a main camera 100, 101, tracking host 102, 103 and 104 the tracking camera, customer master classroom teaching terminal 105 and the main image mosaic class 106. 辅课堂系统12 包括辅课堂的教学客户端125。 12 includes a secondary classroom teaching secondary class customer system end 125. 主课堂的跟踪主机102分别连接定位摄像机100、101、跟踪摄像机103、104以及主课堂的教学客户端105,主课堂的图像拼接器106分别连接主课堂的教学客户端105及跟踪摄像机103、104,主课堂的教学客户端105通过流媒体服务器11连接辅课堂的教学客户端125。 Classroom teaching customer master tracking host 102 are connected to position the camera 100, 101, 103, 104 and the main class tracking camera terminal 105, the main image mosaic class 106 are connected to the main classroom teaching client 105 and tracking camera 103 , classroom teaching customer master terminal 105 by the streaming server 11 is connected to the secondary client 125 classroom teaching.

[0037] 于本实施例中,主课堂的定位摄像机100、101,用于监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机102。 [0037] In the present embodiment, the positioning cameras 100, 101 of the main class, the main class is used to monitor the movement of teachers and students, teachers and students and motion information to the main class tracking host 102. 主课堂的跟踪主机102, 用于发送控制指令至主课堂的跟踪摄像机103、104及主课堂的教学客户端105。 Main class tracking host 102, for transmitting control commands to the main classroom teaching customer tracking cameras 103, 104 and end 105 of the main class. 主课堂的教学客户端105接收控制指令后,用于根据当前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器106发送图像处理指令。 After classroom teaching customer master terminal 105 receives a control command, according to the current teaching mode, the video needs to determine a target output, and the image processing command from the host 106 transmits image class splicer. 主课堂的图像拼接器106根据从主课堂的跟踪摄像机103、104获取的跟踪视频信息及从主课堂的教学客户端105接收的图像处理指令,用于形成组合视频推送至主课堂的教学客户端105。 Class splicer main image information 106 based on the tracking video 103 acquired from the cameras and tracking the main class from classroom teaching customer master side image processing instructions received 105, for forming a combined video classroom teaching main push client 105. 主课堂的教学客户端105,用于通过流媒体服务器11将当前输出的音视频信息发送至辅课堂的教学客户端125。 Classroom teaching customer master terminal 105 for 11 transmits audio and video information output through the current streaming media server to the secondary client 125 classroom teaching. 其中,通过主课堂的教学客户端105设定教学模式的种类、每种教学模式对应的教学时长、预警时间及切换顺序,主课堂的教学客户端105,用于根据相应的教学时长为对应的教学模式提供切换控制。 Wherein the instruction by the customer master class type teaching mode setting terminal 105, when the length corresponding to each teaching mode instruction, warning time and the switching order, the customer master classroom teaching terminal 105, according to the corresponding length of the corresponding teaching Teaching mode provides switching control.

[0038] 于本实施例中,辅课堂系统12还包括学生定位摄像机121、学生跟踪主机122、学生跟踪摄像机124以及辅课堂的图像拼接器126。 [0038] In the present embodiment, the secondary classroom students positioning system 12 also includes a camera 121, host 122 student tracking, student tracking camera 124 and auxiliary classes 126 image mosaic. 学生跟踪主机122分别连接学生定位摄像机121、学生跟踪摄像机124以及辅课堂的教学客户端125,辅课堂的图像拼接器126连接辅课堂的教学客户端125及学生跟踪摄像机124。 Student tracking host 122 are connected to position the camera 121 students, student tracking camera 124 and the secondary classroom teaching client 125, auxiliary class image stitcher 126 is connected secondary classroom teaching students the client 125 and the camera 124 to track. 关于所述系统的具体操作过程同上述方法所述,故于此不再赘述。 The specific process with respect to the operation of the system with the above-described method, therefore omitted herein.

[0039] 综上所述,根据本发明较佳实施例提供的网络同步课堂实现方法及系统,通过主课堂及辅课堂的协助通信实现网络课堂同步。 [0039] In summary, embodiments provide a network synchronization method and system class, network communication classroom to assist the main and auxiliary class by class in accordance with the preferred embodiment of the present invention the synchronization. 此外,通过主课堂的教学客户端设定教学模式的种类、每种教学模式对应的教学时长、预警时间及切换顺序,主课堂的教学客户端根据相应的教学时长为对应的教学模式提供切换控制。 In addition, setting the kind of teaching mode by teaching the client main class, the length of each teaching mode corresponding to the instruction, warning time and the switching sequence, teaching the client main class longer provides switching control teaching model corresponding to the corresponding instruction in accordance with . 如此,提高了网络同步课堂的自动化及智能化,从而提高教师的教学质量,提升学生的课堂体验。 Thus, improved automation and intelligent network synchronization classroom to improve teaching quality, enhance students' classroom experience.

[0040] 以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0040] The above description is only preferred embodiments of the present invention, it is not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (8)

1. 一种网络同步课堂实现方法,其特征在于,包括以下步骤: 主课堂的定位摄像机监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机; 所述主课堂的跟踪主机发送控制指令至主课堂的跟踪摄像机及主课堂的教学客户端; 所述主课堂的教学客户端接收所述控制指令后,根据当前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器发送图像处理指令; 所述主课堂的图像拼接器根据从主课堂的跟踪摄像机获取的跟踪视频信息及从主课堂的教学客户端接收的所述图像处理指令,形成组合视频推送至所述主课堂的教学客户端; 所述主课堂的教学客户端通过流媒体服务器将当前输出的音视频信息发送至辅课堂的教学客户端。 A network synchronization class implemented method characterized by comprising the steps of: positioning the camera to monitor the main class into the main motion class teachers and students, teachers and students and motion information to the main class tracking host; the main class tracking host transmits a control command to the class-tracking camera and the main teaching of the main client class; the teaching of the main class of the client receiving the control command, according to the current teaching mode, determines that the target output video, image and sends the image processing instructed by the primary class splicer; said splicer main class image received video based on the tracking information obtained from cameras and tracking the main class from the main classroom teaching the client image processing instruction forming combined video pushed to the client main classroom teaching; audio and video information of the main classroom teaching client by streaming server transmits to the output of the current teaching client auxiliary class.
2. 根据权利要求1所述的方法,其特征在于,通过所述主课堂的教学客户端设定教学模式的种类、每种教学模式对应的教学时长、预警时间及切换顺序,所述主课堂的教学客户端根据相应的教学时长为对应的教学模式提供切换控制。 2. The method according to claim 1, characterized in that the teaching mode is set by the type of client that the main teaching classroom teaching mode duration corresponding to each instruction, warning time and the switching sequence, the main class Teaching client according to the corresponding instruction length to provide switching control for the corresponding teaching mode.
3. 根据权利要求2所述的方法,其特征在于,主课堂的教学客户端完成设置教学模式种类、每种教学模式对应的教学时长、预警时间及切换顺序后,启动定时触发功能,定时时间达到时,开启第一切换顺序对应的教学模式并通过流媒体服务器发送启动通知消息至辅课堂的教学客户端,其中,所述启动通知消息中携带了主课堂的教学客户端教学模式信息、 该模式下对应的辅课堂的声音控制策略信息; 于所述主课堂的教学客户端判断相应的教学模式的教学时长到达预警时间时,所述主课堂的教学客户端显示提示信息。 3. The method according to claim 2, wherein the primary teaching client classroom teaching mode setting completion type, the length corresponding to each teaching teaching mode, and the warning time after switching, and start the timer function is triggered, the timing time when reached, the switching order corresponding to the first opening teaching mode and transmits a start notification message to the secondary classroom teaching client by streaming media server, wherein, the start notification message carries instruction information of the master client classroom teaching mode, the auxiliary class corresponding to the sound mode control policy information; long warning time arrival at the client end of the main teaching classroom teaching mode is determined corresponding to teaching, the main classroom teaching client display a message.
4. 根据权利要求2所述的方法,其特征在于,所述教学模式的种类包括正常教学模式、 有声资源模式、无声资源模式以及互动讨论模式。 4. The method according to claim 2, wherein the type of the teaching mode includes a normal teaching mode, sound mode resources, resource mode and the silent mode interactive discussion.
5. 根据权利要求1所述的方法,其特征在于,所述主课堂的定位摄像机包括教师定位摄像机以及学生定位摄像机,所述主课堂的跟踪摄像机包括教师跟踪摄像机及学生跟踪摄像机。 5. The method according to claim 1, wherein the primary camera comprises a positioning class teachers and students position the camera positioning a camera, the main camera tracking class including teachers and students tracking camera tracking camera.
6. 根据权利要求1所述的方法,其特征在于,所述控制指令携带运动方向信息、运动幅度信息以及信号来源信息;所述图像处理指令携带了目标视频输出信息。 6. The method according to claim 1, wherein said control command carries the motion direction information, motion information and amplitude information of signal sources; image processing instruction carrying the target video output.
7. -种网络同步课堂实现系统,其特征在于,包括主课堂系统、辅课堂系统以及流媒体服务器,所述主课堂系统包括定位摄像机、跟踪主机、跟踪摄像机、主课堂的教学客户端以及主课堂的图像拼接器,所述辅课堂系统包括辅课堂的教学客户端,所述主课堂的跟踪主机分别连接所述定位摄像机、跟踪摄像机以及主课堂的教学客户端,主课堂的图像拼接器分别连接主课堂的教学客户端及所述跟踪摄像机,所述主课堂的教学客户端通过所述流媒体服务器连接所述辅课堂的教学客户端, 所述主课堂的定位摄像机,用于监控到主课堂内教师及学生的运动,并将教师及学生的运动信息发送至主课堂的跟踪主机, 所述主课堂的跟踪主机,用于发送控制指令至主课堂的跟踪摄像机及主课堂的教学客户端, 所述主课堂的教学客户端接收所述控制指令后,用于根据当 7. - synchronous classroom system for implementing such networks, wherein the system includes a main class and auxiliary class and streaming media server system, said system comprising positioning a camera main class, tracking host, tracking cameras, classroom teaching master client and master class image mosaic, said secondary classroom teaching system comprising a client auxiliary class, the main class tracking host is connected to the position the camera, the camera tracking teaching client and the main class, the main class of the image mosaic, respectively classroom teaching connecting the main client and the tracking camera, the main teaching of the class the client through the flow media server connected to the secondary client classroom teaching, positioning of the camera main class, the main monitor for movement within the classroom teachers and students, and teachers and students to track the movement of information to host master class, the main classroom tracking host, used to send control commands to the tracking camera and the main classroom teaching end customer master class after the end of the main classroom teaching client receives the control command, when used in accordance with 前的教学模式,确定需要输出的目标视频,并向主课堂的图像拼接器发送图像处理指令, 所述主课堂的图像拼接器根据从主课堂的跟踪摄像机获取的跟踪视频信息及从主课堂的教学客户端接收的所述图像处理指令,用于形成组合视频推送至所述主课堂的教学客户端, 所述主课堂的教学客户端,用于通过流媒体服务器将当前输出的音视频信息发送至辅课堂的教学客户端。 Before the teaching mode, the video needs to determine a target output, and sends the image processing instructed by the primary class image mosaic, a class of the main image mosaic according to the tracking information obtained from the main video class tracking cameras and from the main classroom the teaching image processing instructions received by the client, the composition for forming the primary video push client classroom teaching, teaching the client end of the main class, for transmitting audio and video via streaming media server information output current secondary classroom teaching customers to end.
8.根据权利要求7所述的系统,其特征在于,所述辅课堂系统还包括学生定位摄像机、 学生跟踪主机、学生跟踪摄像机以及辅课堂的图像拼接器,所述学生跟踪主机分别连接所述学生定位摄像机、所述学生跟踪摄像机以及辅课堂的教学客户端,辅课堂的图像拼接器连接辅课堂的教学客户端及所述学生跟踪摄像机。 8. The system according to claim 7, wherein said system further comprises a secondary classroom students position the camera, student tracking host, a secondary class and student tracking camera image mosaic, a tracking of the students are connected to the host Teaching students the customer position the camera, the student tracking camera and a secondary classroom teaching clients, auxiliary classroom image stitching connecting the secondary classroom and end the student tracking camera.
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