WO2011109978A1 - 镜头控制方法及终端 - Google Patents

镜头控制方法及终端 Download PDF

Info

Publication number
WO2011109978A1
WO2011109978A1 PCT/CN2010/075198 CN2010075198W WO2011109978A1 WO 2011109978 A1 WO2011109978 A1 WO 2011109978A1 CN 2010075198 W CN2010075198 W CN 2010075198W WO 2011109978 A1 WO2011109978 A1 WO 2011109978A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
lens
control
rotation
information
Prior art date
Application number
PCT/CN2010/075198
Other languages
English (en)
French (fr)
Inventor
房稳
郭锋
王德锁
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011109978A1 publication Critical patent/WO2011109978A1/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/69Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Definitions

  • the present invention generally relates to the field of communications, and in particular to a lens control method and terminal.
  • BACKGROUND OF THE INVENTION In the 3G era, mobile video communication functions have been greatly developed. Under the 3G network, mobile phone users can not only make video calls, share videos during voice calls, but also obtain video from the server. Mobile phone users can even communicate with computer users.
  • the most commonly used communication protocol is the H.324 protocol set. It includes H.223 complex tapping protocol, H.245 system control protocol, H.263 video encoding protocol, G723.1 audio encoding protocol.
  • FIG. 1 is a process of establishing a called video call based on the H.324 protocol in the related art. As shown in FIG. 1 , taking the called terminal process as an example, the video call establishment process based on the H.324 protocol set is as follows:
  • S101 The Mobile Switch Center (MSC) receives a video call request from the calling party, and then initiates a paging message to the called party.
  • S102 After receiving the paging message, the called terminal initiates a request for signaling interaction, and establishes a circuit-switched data link with the calling terminal.
  • the called party rings and displays the caller information.
  • the user answers the videophone, starts the H.324 protocol stack, and negotiates according to the H.245 session control process.
  • the called terminal configures a microphone, a camera, a speaker, and the like according to the negotiation result, and opens a codec and an audio and video logical channel to enter a call state.
  • the H.245 protocol mainly performs session control functions such as service capability negotiation and channel control in video communication.
  • the camera is generally connected with the mechanical adjustment and rotation device, and the camera of some high-end mobile phones can also be telescopic or rotated.
  • the inventors have found that in the case of video communication, especially in the use of conference television, remote monitoring, etc., these mechanical adjustment devices can only be manually or remotely adjusted at the local end, and it is impossible to control the mechanical rotation or telescopic device of the counterpart camera from the far end. The user experience is relatively poor.
  • the main object of the present invention is to provide a lens control method and a terminal for solving the problem of video communication, especially for conference television, remote monitoring, etc., the mechanical adjustment device can only perform manual or remote control adjustment at the local end. It is impossible to control the mechanical rotation or telescopic device of the other camera from the far end, and the user experience is relatively poor.
  • a lens control method comprising: a second terminal receiving control information from a first terminal connected thereto in video communication; and a second terminal controlling motion of a lens mechanism of the second terminal according to the control information .
  • the control information includes at least one of the following: information for controlling mechanical rotation of the lens, and information for controlling focal length expansion of the lens.
  • controlling, by the second terminal, the motion of the lens mechanism of the second terminal according to the control information comprises: the second terminal parsing the rotation direction and the rotation angle according to the parameter in the information for controlling the mechanical rotation of the lens, and transmitting the rotation direction and the rotation angle to the mechanical driving device, Controlling the mechanical machine driving device to rotate; and/or the second terminal parses the telescopic direction and the telescopic step according to the parameters in the information of controlling the focal length expansion and contraction of the lens, and transmits the telescopic direction to the mechanical driving device to control the lens expansion and contraction.
  • the method further includes: the first terminal interacts with the second terminal to confirm whether the lens of the counterpart terminal can support the acceptance control. Further, after the second terminal receives the control information from the first terminal connected to the video communication, the method further includes: determining, by the second terminal, whether the local lens driving interface is available, and if the determination result is available, sending the available message to the first terminal And performing lens motion; if the judgment result is not If available, the unavailable message is sent to the first terminal, and the request is released. Further, control information is defined in the H.245 capability set.
  • a terminal including: a receiving module, configured to receive control information from a first terminal connected to a video communication thereof; and a control module, configured to control a lens mechanism of the second terminal according to the control information The movement of the device.
  • the information of the control module for controlling the motion of the lens mechanism of the second terminal comprises at least one of the following: information for controlling mechanical rotation of the lens, and information for controlling focal length expansion of the lens.
  • control module includes: a first control module, configured to parse the rotation direction and the rotation angle according to parameters in the information of the mechanical rotation of the lens, and transmit the rotation direction and the rotation angle to the mechanical driving device to control the rotation of the mechanical driving device; and/or
  • the second control module is configured to parse the telescopic direction and the telescopic step according to the parameters in the information of controlling the focal length expansion and contraction of the lens, and transmit the telescopic direction to the mechanical driving device to control the lens 4 to contract.
  • the terminal further includes: a determining module, configured to interact with the first terminal to confirm whether the lens of the first terminal supports the control.
  • the terminal further includes: a determining module, configured to determine whether the local lens driving interface is available, and if the judgment result is available, sending an available message to the first terminal, and performing lens motion; if the determination result is unavailable, the sending is not possible Send a message to the first terminal and release the request.
  • control information is defined in the H.245 capability set.
  • the second terminal receives the control information from the first terminal connected to the video communication terminal, and the second terminal controls the motion of the lens mechanism of the second terminal according to the control information, thereby solving the problem that the video communication cannot be performed from the remote end. The problem of controlling the mechanical rotation or telescopic device of the other camera is achieved, thereby achieving the effect of improving the user experience.
  • FIG. 1 is a process of establishing a called video call based on the H.324 protocol in the related art
  • 2 is a flow chart of a lens control method according to an embodiment of the present invention
  • FIG. 3 is a message flow chart of remotely controlling a partner lens mechanism according to an embodiment of the present invention
  • FIG. 4 is a received by a controlled party according to an embodiment of the present invention
  • FIG. 5 is a block diagram showing the structure of a terminal in the embodiment of the present invention
  • FIG. 6 is a block diagram showing a preferred configuration of the terminal in the embodiment of the present invention.
  • Step S202 The second terminal receives control information from a first terminal connected to the video communication.
  • Step S204 The second terminal controls the motion of the lens mechanism of the second terminal according to the control information.
  • the mechanical rotation or the telescopic device of the other lens cannot be controlled remotely, and the user experience is relatively poor.
  • step S202 the second terminal receives the control information from the first terminal of the video communication connection thereof, and implements receiving the lens control information of the remote transmission.
  • Step S204 the second terminal controls the lens mechanism of the second terminal according to the control information.
  • the movement realizes the control of the movement of the local lens mechanism according to the remote control information, and solves the problem that the mechanical rotation or the telescopic device of the other lens cannot be controlled remotely in the video communication, so that the user obtains a better shooting angle and quality. Increased user experience.
  • new capabilities are defined in the H.245 capability set: lens mechanism remote control capability (hereinafter referred to as capability A), lens mechanical rotation capability (hereinafter referred to as capability B), lens (focal length) scalability (hereinafter referred to as capability C) .
  • capability A lens mechanism remote control capability
  • capability B lens mechanical rotation capability
  • capability C lens (focal length) scalability
  • the terminal with the corresponding mechanical device can define the capability B and the capability C.
  • Capability A and Capability B are independent capabilities, and C is a simultaneous capability.
  • the control information in step S202 includes at least one of: information for controlling mechanical rotation of the lens, information for controlling focal length expansion of the lens, and a corresponding message may be defined in H.245.
  • the terminal having the capability A can send a message that causes the terminal lens of the capability B to rotate stepwise, up and down, and the message type is a request.
  • the terminal having the capability B After receiving the message, the terminal having the capability B needs to feedback the response message according to the response condition; likewise, the capability A
  • the terminal may send a message for the terminal telescopic lens having the capability C, and the message type is a request, and the terminal having the capability C receives the message and feeds back the response message according to the response condition.
  • the step S204 includes: the second terminal parses the rotation direction and the rotation angle according to the parameters in the information for controlling the mechanical rotation of the lens, and transmits the rotation direction and the rotation angle to the mechanical driving device to control the rotation of the mechanical driving device; and/or the second terminal according to the control
  • the parameters in the focal length of the lens are analyzed, and the telescopic direction and the telescopic step are analyzed and transmitted to the mechanical driving device to control the lens expansion and contraction.
  • This step specifically realizes the rotation and telescopic movement of the lens.
  • the method before the step S202, the method further includes: the first terminal and the second terminal interacting to confirm whether the lens of the counterpart terminal can support the acceptance control.
  • This step confirms whether the other terminal has the ability to receive control and is the basis of remote control.
  • the method further includes: determining, by the second terminal, whether the local lens driving interface is available, and if the determination result is available, sending an available message to the first terminal, and performing lens motion; If the result is unavailable, an unavailable message is sent to the first terminal, and the current request is released.
  • This step implements a determination as to whether the local lens drive is available.
  • the control information is defined in the H.245 protocol, and the H.245 protocol is supplemented to achieve the purpose of remotely controlling the lens.
  • FIG. 3 is a message flow diagram of remotely controlling a partner lens mechanism according to an embodiment of the present invention.
  • Step S301 The calling user initiates a video call to the called user to start a wireless link establishment process. After the establishment is successful, the mobile level layering process begins, and both parties negotiate the same mobile level. Step S302, the wireless link establishing process is successful. Step S303, the Mobile level layering process, after the layering is successful, the two parties start the H.245 call control process, establish a control channel, and perform capability exchange. In this step, both parties exchange capability A and capability B information, confirming that both parties support lens rotation control and corresponding rotation function.
  • Step S304 the calling user sends a camera rotation request message to the called user.
  • the timing retransmission mechanism is started. If the response message of the other party is not received after the timeout, the loopback delay process in the H.245 protocol is started to determine whether the called party is reachable. If it is unreachable, give up this call. If it is reachable, it will continue the call, and here, the 4th image head rotation request is initiated.
  • Step S305 After receiving the message requesting the camera rotation, the receiver checks whether the device is available to the mechanical drive interface. If the feedback is available, the sender is given a response, and the hardware driver module is controlled to perform the lens rotation according to the request sent by the sender.
  • FIG. 4 is a flowchart of a process after the controlled party receives the control information according to the embodiment of the present invention.
  • Step S401 H.245
  • the processing related module parses out the camera rotation request of the other party, it initiates a query to the underlying hardware driver to query whether the current rotation operation is possible.
  • Step S402 in the first case, if the rotation cannot be performed currently, the H.245 processing module is reported; In the second case, if the current rotation is possible, the H.245 processing module is applied.
  • Step S403 in the first case, the user interface (User Interface, referred to as UI) is given a related prompt that is not rotated; in the second case, the notification UI interface gives a related prompt for performing the rotation.
  • UI User Interface
  • Step S404 proposing a rotation request to the hardware driving module according to the analyzed rotation direction and rotation angle.
  • Step S405 the hardware driving module controls the camera lens to perform corresponding rotation.
  • Step S406 during the rotation, the user can directly send a message to the driver from the UI interface to interrupt the rotation process.
  • Step S407 the hardware driving module controls the camera to stop rotating.
  • both the requesting sender and the requesting receiver can suspend the rotation process of the rotating device by a corresponding operation during the rotation of the rotating device.
  • the mobile phone videophone call is taken as the first example, and the working process is briefly described from the user usage mode.
  • handsets A and B are two terminals for videophone calls
  • handsets A and B as described in the above embodiments, define a set of capabilities for controlling and controlling camera motion in the H.245 protocol, and handset A
  • the camera supports lens telescoping
  • the camera of mobile phone B supports front and rear rotation (partial flip phone camera is set on the shaft of the flip cover and can rotate back and forth).
  • the mobile phone A user may be requested to adjust the lens expansion and contraction.
  • the mobile phone A user After the mobile phone A user receives the request, if the user agrees, the mobile phone B user Enter the lens telescopic adjustment interface.
  • the mobile phone B user can use the common mode such as the arrow keys and the touch screen to send the lens telescopic adjustment information to the mobile phone A, and the information is transmitted through the channel opened by the H.245 protocol.
  • the mobile phone A After receiving the lens telescopic adjustment signal, the mobile phone A drives according to the adjustment direction and the adjustment amount in the signal.
  • the own hardware mechanism automatically performs lens expansion, so that user B obtains the desired user A picture.
  • the mobile phone A user wants to control the 3 ⁇ 4 head of the mobile phone B to rotate up and down, it can also be adjusted according to the method.
  • the preferred embodiment 2 briefly describes the user usage process by using the fixed terminal video conference following H.245 as a second example.
  • the user of the video conference terminal C feels that the user of the video conference terminal D is not in the center of the screen, and wants to adjust the camera rotation of the other party's video conference terminal D from the local to obtain a better picture effect.
  • the user of the terminal C can initiate a camera rotation request to the terminal D through the remote controller, and the transmitted signal includes the direction of rotation and the rotation angle.
  • the terminal D parses the request, and then automatically controls the hardware drive device to perform camera rotation. Enable the terminal C user to obtain the desired video conference screen.
  • FIG. 5 is a structural block diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 5, the receiving module 52 and the control module 54 are included. The foregoing structure is described in detail.
  • the receiving module 52 is configured to receive a video communication connection thereto.
  • the control information of the first terminal is connected to the receiving module 52 for controlling the motion of the local lens mechanism according to the control information received by the receiving module 52.
  • FIG. 6 is a block diagram showing a preferred structure of a terminal according to an embodiment of the present invention. As shown in FIG. 6, the terminal further includes a determining module 62 and a determining module 64.
  • the control module 54 further includes a first control module 541 and a first control.
  • the module 542 is described in detail below.
  • the determining module 62 is configured to interact with the first terminal to confirm whether the lens of the first terminal supports the control.
  • the determining module 64 is configured to determine whether the local lens driving interface is Available, if the judgment result is available, sending an available message to the first terminal, and performing lens motion; if the judgment result is unavailable, sending an unavailable message to the first terminal, and releasing the current request; the first control module 541 , for parsing the rotation direction and the rotation angle according to the parameters in the information of the mechanical rotation of the lens, and transmitting to the mechanical driving device to control the rotation of the mechanical driving device;
  • the second control module 542 is configured to expand and contract according to the focal length of the control lens Parameters in the information, parsing the telescopic direction and the telescopic step size, and transmitting it to the mechanical drive, the control mirror Telescopic.
  • the invention can be applied to scenes such as video surveillance, video conferencing, and some videophones.
  • the terminal described in the device embodiment is in the foregoing method embodiment, and the specific implementation process thereof has been described in detail in the method embodiment, and is not described herein. From the above description, it can be seen that the present invention achieves the following technical effects:
  • the user of the video communication can conveniently control the camera rotation and the telescopic mechanism of the opposite end to realize the active adjustment of the camera angle or focal length of the video sender.
  • the angle of the other party's picture, the degree of clarity, etc. can be adjusted according to their own needs and feelings, thereby improving the user experience.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

Abstract

本发明公开了一种镜头控制方法及终端,该方法包括:第二终端接收来自与其视频通信连接的第一终端的控制信息;第二终端根据控制信息控制第二终端的镜头机械装置的运动。通过本发明,解决了视频通信中无法从远端进行控制对方摄像头机械转动或伸缩装置的问题,进而达到了提高用户体验度效果。

Description

镜头控制方法及终端 技术领域 本发明主要涉及通信领域, 具体来说, 涉及一种镜头控制方法及终端。 背景技术 进入 3G时代, 手机视频通信功能得到极大发展。 在 3G网络下, 手机用 户之间不仅可以进行视频电话, 在语音通话中共享视频, 从服务器获取视频 等, 手机用户甚至还可以与电脑用户进行视频交流。 在移动视频通信领域,最常用的通信协议为 H.324协议集。它包括 H.223 复分接协议, H.245 系统控制协议, H.263视频编码协议, G723.1音频编码 协议等。 图 1是相关技术中基于 H.324协议的被叫视频通话建立过程, 如附图 1 所示, 以被叫终端流程为例, 基于 H.324协议集的视频通话建立过程如下:
S 101 , 移动交换中心 (Mobile Switch Center, 简称为 MSC )收到主叫方 的可视电话请求后, 向被叫发起寻呼消息。 S 102, 被叫终端收到寻呼消息后, 发起请求进行信令交互, 建立与主叫 终端之间的电路交换数据链路。
5103 , 链路建立成功, 被叫终端启动可视电话。
5104, 被叫振铃, 并显示来电信息。
5105 , 用户接听可视电话, 启动 H.324协议栈, 并根据 H.245会话控制 过程进行协商。
5106, 被叫终端根据协商结果来配置麦克风, 摄像头, 扬声器等设备, 开启编解码和音视频逻辑信道, 进入通话状态。
5107, 挂机, 拆除协议栈, 结束视频通话应用。 由以上流程可知, H.245 协议在视频通信中主要进行业务能力协商与信 道控制等会话控制功能。 相关技术中, 在常用的视频监控与会议电视等领域, 摄像头一般都和机 械调节与转动装置相连接, 某些高端手机的摄像头也可以进行伸缩或转动。 发明人发现, 视频通信的场合, 特别是会议电视, 远程监控等使用场合, 这些机械调节装置目前只能在本端进行手动或遥控器调节, 无法从远端进行 控制对方摄像头机械转动或伸缩装置, 用户体验度比较差。 发明内容 本发明的主要目的在于提供一种镜头控制方法及终端, 以解决视频通信 的场合, 特别是会议电视, 远程监控等使用场合, 机械调节装置只能在本端 进行手动或遥控器调节, 无法从远端进行控制对方摄像头机械转动或伸缩装 置, 用户体验度比较差的问题。 根据本发明的一个方面, 提供了一种镜头控制方法, 包括: 第二终端接收来自与其视频通信连接的第一终端的控制信息; 第二终端 根据控制信息控制第二终端的镜头机械装置的运动。 进一步地, 控制信息包括以下至少之一: 控制镜头机械旋转的信息、 控 制镜头的焦距伸缩的信息。 进一步地, 第二终端根据控制信息控制第二终端的镜头机械装置的运动 包括: 第二终端根据控制镜头机械旋转的信息中的参数, 解析出转动方向和 转动角度, 并传递给机械驱动装置, 控制机械机驱动装置转动; 和 /或第二终 端根据控制镜头的焦距伸缩的信息中的参数, 解析出伸缩方向和伸缩步长, 并传递给机械驱动装置, 控制镜头伸缩。 进一步地, 在第二终端接收来自与其视频通信连接的第一终端的控制信 息之前, 上述方法还包括: 第一终端和第二终端进行交互, 以确认对方终端 的镜头是否能够支持接受控制。 进一步地, 在第二终端接收来自与其视频通信连接的第一终端的控制信 息之后, 还包括: 第二终端判断本地镜头驱动接口是否可用, 如果判断结果 为可用, 则发送可用消息给第一终端, 并进行镜头运动; 如果判断结果为不 可用, 则发送不可用消息给第一终端, 并释放本次请求。 进一步地, 在 H.245能力集中定义控制信息。 根据本发明的另一方面, 提供了一种终端, 包括: 接收模块, 用于接收来自与其视频通信连接的第一终端的控制信息; 控 制模块, 用于根据控制信息控制第二终端的镜头机械装置的运动。 进一步地, 控制模块用于控制第二终端的镜头机械装置的运动的信息包 括以下至少之一: 控制镜头机械旋转的信息、 控制镜头的焦距伸缩的信息。 进一步地, 控制模块包括: 第一控制模块, 用于根据镜头机械旋转的信 息中的参数, 解析出转动方向和转动角度, 并传递给机械驱动装置, 控制机 械机驱动装置转动; 和 /或第二控制模块, 用于根据控制镜头的焦距伸缩的信 息中的参数, 解析出伸缩方向和伸缩步长, 并传递给机械驱动装置, 控制镜 头 4申缩。 进一步地, 终端还包括: 确定模块, 用于与第一终端进行交互, 以确认 第一终端的镜头是否支持能够接受控制。 进一步地, 终端还包括: 判断模块, 用于判断本地镜头驱动接口是否可 用, 如果判断结果为可用, 则发送可用消息给第一终端, 并进行镜头运动; 如果判断结果为不可用, 则发送不可用消息给第一终端, 并释放本次请求。 进一步地, 在 H.245能力集中定义控制信息。 通过本发明, 釆用第二终端接收来自与其视频通信连接的第一终端的控 制信息, 第二终端根据控制信息控制第二终端的镜头机械装置的运动, 解决 了视频通信中无法从远端进行控制对方摄像头机械转动或伸缩装置的问题, 进而达到了提高用户体验度效果。 附图说明 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。 在附图中: 图 1是相关技术中基于 H.324协议的被叫视频通话建立过程; 图 2是根据本发明实施例的镜头控制方法的流程图; 图 3是根据本发明实施例的远程控制对方镜头机械装置的消息流程图; 图 4是 居本发明实施例的被控制方收到控制信息后的处理流程; 图 5是 居本发明实施例的终端的结构框图; 以及 图 6是 居本发明实施例的终端的优选的结构框图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 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。 在下述实施例中, 视频通话双方的终端类型与网络类型无限制, 只需遵 循 H.245控制协议, 无论移动终端, 固定终端, 或处于无线网络, 有线网络 可实施。 在本实施例中, 第二终端 (被控制方)应具有相应的硬件能力。 如拥有 能力 B的终端应具有 ^目应的机戈转动机构,拥有能力 C的终端应具有 ^目应的 镜头伸缩机构。 图 2是根据本发明实施例的镜头控制方法的流程图,如图 2所示, 包括: 步骤 S202 , 第二终端接收来自与其视频通信连接的第一终端的控制信 息。 步骤 S204 , 第二终端根据控制信息控制第二终端的镜头机械装置的运 动。 在相关技术的视频通信过程中, 不能通过远程的方式来控制对方镜头的 机械转动或者伸缩装置, 用户体验度比较差。 通过步骤 S202, 第二终端接收 来自于其视频通信连接的第一终端的控制信息, 实现了接收远程发送的镜头 控制信息; 步骤 S204, 第二终端根据控制信息控制第二终端的镜头机械装置 的运动, 实现了根据远程控制信息对本地镜头机械装置运动的控制, 解决了 视频通信中不能通过远程的方式来控制对方镜头的机械转动或者伸缩装置, 使用户获得了更好的拍摄角度和质量, 提高了用户体验度。 优选地, 在 H.245能力集中定义新的能力: 镜头机械装置远程控制能力 (后简称能力 A ), 镜头机械旋转能力 (后简称能力 B ), 镜头 (焦距) 伸缩 能力 (后简称能力 C )。 其中能力 B和能力 C与对应终端的硬件结构有关, 原则上, 具有相应机械装置的终端才能够定义能力 B和能力 C。 能力 A和能 力 B为独立能力, C为同时能力。 优选地, 在步骤 S202 中的控制信息包括以下至少之一: 控制所述镜头 机械旋转的信息、 控制所述镜头的焦距伸缩的信息, 且可以在 H.245中定义 对应消息。拥有能力 A的终端可以发送使拥有能力 B的终端镜头上下左右步 进旋转的消息, 且消息类型为请求, 拥有能力 B的终端收到消息后需根据响 应情况反馈响应消息; 同样, 拥有能力 A的终端可以发送使拥有能力 C的终 端伸缩镜头的消息, 消息类型为请求, 拥有能力 C的终端收到消息后根据响 应情况反馈响应消息。 优选地, 步骤 S204 包括: 第二终端根据控制镜头机械旋转的信息中的 参数, 解析出转动方向和转动角度, 并传递给机械驱动装置, 控制机械驱动 装置转动; 和 /或第二终端根据控制镜头的焦距伸缩的信息中的参数, 解析出 伸缩方向和伸缩步长, 并传递给机械驱动装置, 控制镜头伸缩。 该步骤具体 实现了镜头的旋转和伸缩运动。 优选地, 在步骤 S202 之前, 上述方法还包括: 所述第一终端和第二终 端进行交互, 以确认对方终端的镜头是否能够支持接受控制。 该步骤确认对 方终端是否具有接收控制的能力, 是远程控制的基础。 优选地, 在步骤 S202 之后, 上述方法还包括: 所述第二终端判断本地 镜头驱动接口是否可用, 如果判断结果为可用, 则发送可用消息给所述第一 终端, 并进行镜头运动; 如果判断结果为不可用, 则发送不可用消息给所述 第一终端, 并释放本次请求。该步骤实现了对本地镜头驱动是否可用的判断。 优选地, 在 H.245协议中定义控制信息, 对 H.245协议进行补充, 实现 了远程控制镜头的目的。 优选地, 如果机械装置无法按照要求进行运动, 则反馈相应消息给请求 发送终端, 请求发送终端可根据消息给予用户一定提示。 本实施例基于 H.324视频通信协议,或基于其它使用 H.245以及由 H.245 发展而来的控制协议等。 本实施例中, 通过对 H.245控制协议进行一定的补充, 并在对应终端上 增加相应的处理流程,实现了远程控制视频通话中对方镜头机械装置的运动。 图 3是根据本发明实施例的远程控制对方镜头机械装置的消息流程图, 在本实施例中, 进行控制镜头左右旋转的操作, 主叫用户为控制方, 被叫用 户为被控制方, 具体实施过程如下: 步骤 S301 ,主叫用户向被叫用户发起视频呼叫,开始无线链路建立过程。 建立成功后, 开始移动级别定层过程, 双方协商一个相同的移动级别。 步骤 S302, 无线链路建链过程, 建链成功。 步骤 S303 , Mobile level定层过程, 定层成功后, 双方启动 H.245通话 控制过程, 建立控制信道并进行能力交换。 在该步骤中, 双方交换能力 A和 能力 B信息, 确认双方支持镜头旋转控制与对应的旋转功能。 步骤 S304, 主叫用户向被叫用户发送摄像头旋转请求消息。 同时启动定 时重传机制, 如果超时仍没有收到对方的应答消息, 则启动 H.245协议中的 确定回环时延过程, 以确定被叫是否可达。 如不可达, 则放弃本次通话。 如 可达则继续通话, 并在此发起 4聂像头旋转请求。 步骤 S305 , 接收方收到请求摄像头旋转的消息后, 向机械驱动接口检查 设备是否可用, 如反馈可用, 则给予发送方应答, 同时按照发送方发送的请 求控制硬件驱动模块进行镜头旋转。 如硬件设备不可用, 则反馈给请求发送 方不可用消息。 本次旋转请求响应过程结束, 释放逻辑信道。 步骤 S306, 旋转的过程中, 如主叫方需要停止旋转, 则向请求接收方发 送摄像头停止旋转请求消息。 被叫方收到请求后, 停止摄像头旋转。 步骤 S307, 用户挂断电话, 拆除协议栈和无线链路, 通话结束。 图 4是 居本发明实施例的被控制方收到控制信息后的处理流程图, 本 实施例进行摄像头旋转操作 ,被控方收到摄像头旋转请求后的处理流程如下: 步骤 S401 , H.245处理相关模块解析出对方的摄像头旋转请求后, 向底 层硬件驱动发起查询, 查询当前是否可进行旋转动作。 步骤 S402, 第一种情况,如果当前无法进行旋转,上报 H.245处理模块; 第二种情况, 如果当前可以进行旋转, 上 ^艮 H.245处理模块。 步骤 S403 , 第一种情况, 通知用户接口界面 (User Interface, 简称为 UI ) 给出未进行旋转的相关提示; 第二种情况, 通知 UI界面给出进行正在 旋转中的相关提示。 步骤 S404 , 根据解析出的旋转方向和旋转角度, 向硬件驱动模块提出旋 转要求。 步骤 S405 , 硬件驱动模块控制摄像机镜头进行相应的转动。 步骤 S406, 转动过程中, 用户可以从 UI界面直接向驱动发送消息打断 旋转过程。 步骤 S407, 硬件驱动模块控制 4聂像机镜头停止转动。 步骤 S408, 停止转动后, 硬件驱动模块向 UI界面发送消息, 通知 UI 界面给出相应提示。 需要说明的是, 在图 3和图 4所示的实施例中, 在旋转转动装置的过程 中, 请求发送方和请求接收方都可以通过相应的操作来中止转动装置的旋转 过程。 优选实施例一 下面以手机可视电话通话为第一实例, 从用户使用方式上简要说明其工 作过程。 假设手机 A和 B为可视电话通话的两个终端, 手机 A和 B如同上 述实施例中所描述的, 在 H.245协议中都定义了控制与被控制摄像头运动的 能力集, 并且手机 A的摄像头支持镜头伸缩, 手机 B的摄像头支持前后旋转 (部分翻盖手机摄像头设置在翻盖的轴上, 能够前后旋转)。 手机 A和手机 B通话中, 如手机 B用户想将镜头拉近看手机 A用户, 则可向手机 A用户发出调节镜头伸缩的请求, 手机 A用户收到请求后, 如同 意, 则手机 B用户进入镜头伸缩调节界面。 手机 B用户可以使用方向键, 触 摸屏等常用方式来前向手机 A发送镜头伸缩调节信息, 该信息通过 H.245协 议开辟的信道进行传输。 手机 A收到镜头伸缩调节信号后, 根据信号中的调节方向和调节量, 驱 动自己的硬件机构自动进行镜头伸缩,从而使用户 B获得了需要的用户 A画 面。 同理, 手机 A用户如果想控制手机 B的¾像头进行上下转动, 也可以才艮 据该方式进行调节。 优选实施例二 以遵循 H.245 的固定终端电视会议为第二实例来简要说明用户使用过 程。 假设两位用户正在通过电视会议终端 C和 D进行交流。 电视会议终端 C 一方的用户觉得电视会议终端 D的用户没有处于画面中央, 想从本地自行调 节对方的电视会议终端 D的摄像头转动, 以获得更好的画面效果。 则终端 C 的用户可通过遥控器向终端 D发起摄像头旋转要求, 发送的信号中包括旋转 的方向和旋转角度。 终端 D接收到摄像头旋转要求后, 解析出该请求, 之后 自动的控制硬件驱动装置进行摄像头旋转。 使终端 C用户获得需要的视频会 议画面。 图 5是根据本发明实施例的终端的结构框图, 如图 5所示, 包括接收模 块 52和控制模块 54 , 下面对上述结构进行详细描述: 接收模块 52 , 用于接收来自与其视频通信连接的第一终端的控制信息; 控制模块 54 , 连接至接收模块 52 , 用于根据接收模块 52接收到的控制信息 控制本地的镜头机械装置的运动。 图 6是才艮据本发明实施例的终端的优选的结构框图, 如图 6所示, 上述 终端还包括确定模块 62和判断模块 64 , 控制模块 54还包括第一控制模块 541和第一控制模块 542 , 下面对上述结构进行详细描述: 确定模块 62 , 用于与第一终端进行交互, 以确认第一终端的镜头是否支 持能够接受控制; 判断模块 64 , 用于判断本地镜头驱动接口是否可用, 如果 判断结果为可用, 则发送可用消息给第一终端, 并进行镜头运动; 如果判断 结果为不可用, 则发送不可用消息给第一终端, 并释放本次请求; 第一控制 模块 541 , 用于根据镜头机械旋转的信息中的参数, 解析出转动方向和转动 角度,并传递给机械驱动装置,控制机械机驱动装置转动;第二控制模块 542 , 用于根据控制镜头的焦距伸缩的信息中的参数,解析出伸缩方向和伸缩步长, 并传递给机械驱动装置, 控制镜头伸缩。 本发明能够应用在视频监控, 视频会议, 以及部分可视电话等场景中。 需要说明的是, 装置实施例中描述的终端于上述的方法实施例, 其具体 的实现过程在方法实施例中已经进行过详细说明, 在此不再赞述。 从以上的描述中, 可以看出, 本发明实现了如下技术效果: 视频通信的 使用者可以方便的向对端的摄像头旋转以及伸缩机构进行控制, 实现主动调 整视频发送方的摄像头角度或焦距。 在各种视频通信场景中, 可以根据自己 的需要和感受来调节对方画面的角度, 清晰程度等, 提高了用户体验度。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 并 且在某些情况下, 可以以不同于此处的顺序执行所示出或描述的步骤, 或者 将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软件 结合。 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。 凡在本发明的 ^"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。

Claims

权 利 要 求 书
1. 一种镜头控制方法, 其特征在于, 包括以下步骤:
第二终端接收来自与其视频通信连接的第一终端的控制信息; 所述第二终端根据所述控制信息控制所述第二终端的镜头机械装置 的运动。
2. 根据权利要求 1所述的方法, 其特征在于, 所述控制信息包括以下至少 之一:
控制所述镜头机械旋转的信息、 控制所述镜头的焦距伸缩的信息。
3. 根据权利要求 2所述的方法, 其特征在于, 所述第二终端根据所述控制 信息控制所述第二终端的镜头机械装置的运动包括:
所述第二终端根据控制所述镜头机械旋转的信息中的参数, 解析出 转动方向和转动角度, 并传递给机械驱动装置, 控制所述机械驱动装置 转动; 和 /或
所述第二终端根据所述控制所述镜头的焦距伸缩的信息中的参数, 解析出伸缩方向和伸缩步长, 并传递给机械驱动装置, 控制镜头伸缩。
4. 根据权利要求 1所述的方法, 其特征在于, 在第二终端接收来自与其视 频通信连接的第一终端的控制信息之前, 所述方法还包括:
所述第一终端和第二终端进行交互, 以确认对方终端的镜头是否能 够支持接受控制。
5. 根据权利要求 1所述的方法, 其特征在于, 在第二终端接收来自与其视 频通信连接的第一终端的控制信息之后, 还包括:
所述第二终端判断本地镜头驱动接口是否可用, 如果判断结果为可 用, 则发送可用消息给所述第一终端, 并进行镜头运动; 如果判断结果 为不可用, 则发送不可用消息给所述第一终端, 并释放本次请求。
6. 根据权利要求 1至 5任一项所述的方法, 其特征在于, 在 H.245能力集 中定义所述控制信息。
7. —种终端, 其特征在于, 包括:
接收模块,用于接收来自与其视频通信连接的第一终端的控制信息; 控制模块, 用于根据所述控制信息控制所述第二终端的镜头机械装 置的运动。
8. 根据权利要求 7所述的终端, 其特征在于, 所述控制模块用于控制所述 第二终端的镜头机械装置的运动的信息包括以下至少之一:
控制所述镜头机械旋转的信息、 控制所述镜头的焦距伸缩的信息。
9. 根据权利要求 8所述的终端, 其特征在于, 所述控制模块包括:
第一控制模块, 用于根据控制所述镜头机械旋转的信息中的参数, 解析出转动方向和转动角度, 并传递给机械驱动装置, 控制机械机驱动 装置转动; 和 /或
第二控制模块,用于根据控制所述镜头的焦距伸缩的信息中的参数, 解析出伸缩方向和伸缩步长, 并传递给机械驱动装置, 控制镜头伸缩。
10. 根据权利要求 7所述的终端, 其特征在于, 所述终端还包括:
确定模块, 用于与所述第一终端进行交互, 以确认所述第一终端的 镜头是否支持能够接受控制。
11. 根据权利要求 7所述的终端, 其特征在于, 还包括:
判断模块, 用于判断本地镜头驱动接口是否可用, 如果判断结果为 可用, 则发送可用消息给所述第一终端, 并进行镜头运动; 如果判断结 果为不可用, 则发送不可用消息给所述第一终端, 并释放本次请求。
12. 根据权利要求 7至 11任一项所述的终端, 其特征在于, 在 H.245能力集 中定义所述控制信息。
PCT/CN2010/075198 2010-03-12 2010-07-15 镜头控制方法及终端 WO2011109978A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010101441535A CN102196087A (zh) 2010-03-12 2010-03-12 镜头控制方法及终端
CN201010144153.5 2010-03-12

Publications (1)

Publication Number Publication Date
WO2011109978A1 true WO2011109978A1 (zh) 2011-09-15

Family

ID=44562813

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/075198 WO2011109978A1 (zh) 2010-03-12 2010-07-15 镜头控制方法及终端

Country Status (2)

Country Link
CN (1) CN102196087A (zh)
WO (1) WO2011109978A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104581033A (zh) * 2013-10-18 2015-04-29 爱玛丽欧有限公司 监视摄影装置的控制方法及控制系统

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102612205B (zh) 2011-12-31 2014-12-31 华为技术有限公司 一种控制可视光源的方法、终端及视频会议系统
CN103391423A (zh) * 2012-05-09 2013-11-13 北京千橡网景科技发展有限公司 用于视频实时传输的方法和装置
US9002339B2 (en) * 2012-08-15 2015-04-07 Intel Corporation Consumption and capture of media content sensed from remote perspectives
CN104038720A (zh) * 2013-03-05 2014-09-10 北京千橡网景科技发展有限公司 扩展智能终端应用功能的方法及系统
CN104469249B (zh) * 2013-09-16 2017-11-03 联想(北京)有限公司 一种信息处理方法及第一电子设备
CN104683699B (zh) * 2015-03-20 2018-04-10 崔时泓 基于移动终端的无线网络摄像机控制方法
CN106341588A (zh) * 2015-07-06 2017-01-18 北京视联动力国际信息技术有限公司 一种摄像头的电子聚焦方法和装置
WO2017015959A1 (zh) 2015-07-30 2017-02-02 深圳市大疆创新科技有限公司 一种控制移动设备拍摄的方法、控制装置及控制系统
CN105049813A (zh) * 2015-08-11 2015-11-11 小米科技有限责任公司 控制视频画面的方法、装置及终端
CN105357582A (zh) * 2015-12-11 2016-02-24 四川长虹网络科技有限责任公司 智能机顶盒控制电视机显示监控视频的方法
CN105915983A (zh) * 2015-12-14 2016-08-31 乐视网信息技术(北京)股份有限公司 调整焦距的方法、装置及智能终端
CN105791675A (zh) * 2016-02-26 2016-07-20 广东欧珀移动通信有限公司 终端、成像及交互控制方法及装置、其终端及系统
CN105611173A (zh) * 2016-02-26 2016-05-25 广东欧珀移动通信有限公司 终端、成像装置、交互系统、其控制方法及控制装置
CN105791677A (zh) * 2016-02-26 2016-07-20 广东欧珀移动通信有限公司 终端、成像装置、交互系统、其控制方法及控制装置
CN105791676A (zh) * 2016-02-26 2016-07-20 广东欧珀移动通信有限公司 终端、成像装置、交互系统、其控制方法及控制装置
CN105791678A (zh) * 2016-02-26 2016-07-20 广东欧珀移动通信有限公司 终端、成像装置、交互系统、其控制方法及控制装置
CN107547790A (zh) * 2016-06-27 2018-01-05 中兴通讯股份有限公司 图像采集的处理方法、装置及系统
US10868955B2 (en) 2017-09-05 2020-12-15 Facebook, Inc. Modifying capture of video data by an image capture device based on video data previously captured by the image capture device
KR20200039814A (ko) * 2017-09-05 2020-04-16 페이스북, 인크. 영상 캡쳐 장치에 의해 이전에 캡쳐된 비디오 데이터에 기초하여 영상 캡쳐 장치에 의한 비디오 데이터의 캡쳐를 수정
CN112399220B (zh) * 2019-08-18 2022-10-28 海信视像科技股份有限公司 一种摄像头物理开关锁定状态显示方法及显示设备
CN111601065A (zh) * 2020-05-25 2020-08-28 维沃移动通信有限公司 视频通话控制方法、装置及电子设备
CN114040106A (zh) * 2021-11-17 2022-02-11 维沃移动通信有限公司 视频通话的控制方法、装置、电子设备及可读存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1874495A (zh) * 2006-01-24 2006-12-06 华为技术有限公司 一种基于第三代移动通讯平台上的无线视频监控方法及系统
CN101102453A (zh) * 2007-06-28 2008-01-09 中兴通讯股份有限公司 一种使用两部移动可视电话实现无线远程监控的方法
CN201060411Y (zh) * 2007-03-21 2008-05-14 山东省计算中心 多协议视频终端解码器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1874495A (zh) * 2006-01-24 2006-12-06 华为技术有限公司 一种基于第三代移动通讯平台上的无线视频监控方法及系统
CN201060411Y (zh) * 2007-03-21 2008-05-14 山东省计算中心 多协议视频终端解码器
CN101102453A (zh) * 2007-06-28 2008-01-09 中兴通讯股份有限公司 一种使用两部移动可视电话实现无线远程监控的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104581033A (zh) * 2013-10-18 2015-04-29 爱玛丽欧有限公司 监视摄影装置的控制方法及控制系统

Also Published As

Publication number Publication date
CN102196087A (zh) 2011-09-21

Similar Documents

Publication Publication Date Title
WO2011109978A1 (zh) 镜头控制方法及终端
US7715872B2 (en) Video calling method capable of providing video through third display
US9544718B2 (en) Method and apparatus for transmitting and receiving audio stream in wireless communication system
KR101307077B1 (ko) Rfid를 통하여 수신된 구성 데이터를 이용한 단거리 무선 통신 파라미터의 교섭
JP2006501744A (ja) メディア通信方法及び装置
JP2005513869A (ja) テレビ会議帯域選定メカニズム
US7729298B2 (en) Method and system for manipulating a shared object
WO2011088656A1 (zh) 一种移动终端实现可视电话三方通话的方法及系统
WO2011088803A1 (zh) 实现手机共享数据的方法、装置和通信系统
US10129919B2 (en) Video headset
TW201434320A (zh) 視訊會議建立方法
WO2009152699A1 (zh) Sip终端及其上报状态的方法、系统以及sip服务器
GB2405768A (en) Image transmission via a mobile telecommunications network
US9083847B2 (en) Video communication method and terminal
JP2005117141A (ja) 半二重無線通信装置、システムおよび方法
JP5243336B2 (ja) 通信システム、通信端末、通信方法、および通信プログラム
JP5579660B2 (ja) 多地点接続テレビ会議装置
US7864671B2 (en) Connection control apparatus, connection control method, and program
WO2012113303A1 (zh) 视频交互方法及系统
JP2008042767A (ja) テレビ電話システム、これに用いられるゲートウエイ及びipテレビ電話端末
JP5282389B2 (ja) 電話装置および電子会議装置
KR101988899B1 (ko) 3―box 아키텍쳐를 고려한 페러럴 콜 세션 설정 장치 및 방법
JP3882801B2 (ja) Ip電話システム、サーバ装置およびルータ制御方法
CN1984308A (zh) 视频会议系统、代理主机及其方法
JP5430915B2 (ja) 呼制御方法及びインターホンシステム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10847236

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10847236

Country of ref document: EP

Kind code of ref document: A1