WO2017147827A1 - 一种图像获取方法 - Google Patents

一种图像获取方法 Download PDF

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Publication number
WO2017147827A1
WO2017147827A1 PCT/CN2016/075388 CN2016075388W WO2017147827A1 WO 2017147827 A1 WO2017147827 A1 WO 2017147827A1 CN 2016075388 W CN2016075388 W CN 2016075388W WO 2017147827 A1 WO2017147827 A1 WO 2017147827A1
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Prior art keywords
image acquisition
acquisition method
camera
audio signal
information
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PCT/CN2016/075388
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English (en)
French (fr)
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武克易
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武克易
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Priority to PCT/CN2016/075388 priority Critical patent/WO2017147827A1/zh
Publication of WO2017147827A1 publication Critical patent/WO2017147827A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to the field of intelligent hardware technologies, and more particularly to an image acquisition method.
  • the smart home system is a combination of modern electronic technology, communication technology and automation technology. It can realize automatic control and management of household electrical appliances and monitor and alarm the safety of the home, so as to provide users with safe, comfortable, efficient and convenient life. surroundings.
  • the IoT device used for surveillance video can realize 24-hour real-time surveillance video, but it is not smart enough for home video recording. For example, when shooting a family life image, once the shooting is started, the middle can not be interrupted. If some pictures do not want to be taken into it, it is necessary to interrupt the shooting, which will result in the video being discontinuous.
  • the technical problem to be solved by the present invention is to provide an image acquisition method for the above-mentioned drawbacks of the prior art.
  • An image acquisition method is constructed, wherein the image acquisition method comprises the following steps:
  • the structure of the pan/tilt is controlled to rotate, so as to turn the camera to a dead angle position for privacy protection.
  • the image acquisition method of the present invention wherein the step of detecting the audio signal acquired by the microphone, performing voice recognition on the detected audio signal, and obtaining the source direction information of the audio signal specifically includes:
  • the source location parameter of the audio information is calculated.
  • the image obtaining method of the present invention wherein the step of controlling the rotation of the pan-tilt structure to facilitate turning the camera to a dead-end position and performing privacy protection when the privacy-protected voice information is acquired includes:
  • the coordinate structure of the cloud platform structure is rotated to the recorded dead angle position for privacy protection.
  • the Internet of Things smart device includes a main body portion, and the main body portion is provided with a host device connectable to the Internet and having a data calculation function;
  • the main body portion includes a base and is installed at a body on the base;
  • the surface of the body is peripherally or embedded for obtaining Taking a video surveillance camera, one or more microphones for acquiring an external audio signal;
  • the body is configured as a pan/tilt structure capable of 360-degree rotation shooting; the microphone and the camera are electrically connected to the host device through a line;
  • the host device is also connected to a wireless signal transceiving module.
  • the body includes a horizontal turntable that can be rotated by 180 degrees in the horizontal direction and a vertical turntable that can be rotated by 180 degrees in the vertical direction.
  • the horizontal turntable is rotatably connected to the base, the vertical turntable is mounted on the horizontal turntable, and the camera is mounted on the vertical turntable.
  • a plurality of microphones are uniformly disposed around the horizontal turntable.
  • the direction identifying unit performs sound source direction setting according to the intensity of the audio information collected by the plurality of microphones.
  • the direction identifying unit comprises an audio comparing subunit for comparing audio data respectively acquired by the plurality of the microphones.
  • the image acquisition method of the present invention wherein a plurality of cameras are mounted on the vertical turntable, and the plurality of cameras simultaneously capture video;
  • the host device further includes a 3D image generating module, configured to acquire video data captured by the plurality of cameras to generate 3D image data.
  • the invention has the beneficial effects that the sound direction identification is performed by using the direction identification unit of the safety monitoring module, and the listening and sounding following shooting is realized by the rotation control of the pan/tilt structure, and the privacy protection instruction recognition by the privacy protection control unit is realized.
  • the device automatically moves to the corner of the shooting to achieve privacy protection.
  • FIG. 1 is a flow chart 1 of an image acquisition method according to a preferred embodiment of the present invention.
  • FIG. 2 is a second flowchart of an image acquisition method according to a preferred embodiment of the present invention.
  • FIG. 3 is a third flowchart of an image acquisition method according to a preferred embodiment of the present invention.
  • FIG. 4 is a general structural diagram of an Internet of Things smart device according to a preferred embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of an Internet of Things smart device according to a preferred embodiment of the present invention.
  • FIG. 6 is a schematic block diagram of a security monitoring module of an Internet of Things smart device according to a preferred embodiment of the present invention.
  • FIG. 7 is a schematic block diagram of a direction identification unit of an Internet of Things smart device according to a preferred embodiment of the present invention.
  • FIG. 8 is a schematic block diagram of a privacy protection control unit of an Internet of Things smart device according to a preferred embodiment of the present invention.
  • FIG. 1 The image acquisition method of the preferred embodiment of the present invention is shown in FIG. 1 , FIG. 2 and FIG. 3 , wherein the image acquisition method comprises the following steps:
  • Step S1 detecting an audio signal acquired by the microphone, performing voice recognition on the detected audio signal, and obtaining source direction information of the audio signal;
  • the method includes the following steps: Step S11: Comparing the audio information acquired by the microphone with the locally stored audio data sample to distinguish whether it is a human voice; and step S12, when the obtained audio information is a human voice, Calculate the source location parameter of the audio information.
  • Step S2 controlling the pan/tilt structure of the IoT smart device to rotate to a corresponding direction according to the source direction information of the audio signal, so as to facilitate tracking and shooting by the camera installed on the pan-tilt structure;
  • Step S3 detecting whether there is privacy protection voice information input
  • Step S4 when the privacy protection voice information is acquired, controlling the rotation of the gimbal structure, so as to turn the camera to a dead angle position for privacy protection;
  • the method includes: Step S41: acquiring a dead angle position setting instruction input by the user, prompting the user to adjust the camera to a dead angle position; and step S42, recording coordinate parameters of the X-axis and the Y-axis in the pan-tilt structure under the camera dead angle condition manually adjusted by the user; S43.
  • Step S41 acquiring a dead angle position setting instruction input by the user, prompting the user to adjust the camera to a dead angle position
  • step S42 recording coordinate parameters of the X-axis and the Y-axis in the pan-tilt structure under the camera dead angle condition manually adjusted by the user
  • S43 When the privacy protection voice information is obtained, control the pan-tilt structure to rotate to a coordinate parameter corresponding to the recorded dead angle position for privacy protection.
  • the solution of the embodiment realizes the sound direction recognition through the rotation direction control of the pan/tilt structure, and realizes the listening and sound recognition following shooting through the privacy protection instruction recognition.
  • the device automatically transfers to the shooting dead angle position. To achieve the purpose of protecting privacy.
  • the structure of the Internet of Things smart device in the above embodiment is as shown in FIG. 4
  • the principle block diagram is as shown in FIG. 5 and FIG. 6
  • the device 50 includes a base 10 and a body 20 mounted on the base 10; a surface of the body 20 is peripherally embedded or embedded with a camera 40 for acquiring surveillance video, and one or more microphones 30 for acquiring external audio signals.
  • the body 20 is configured as a pan/tilt structure capable of 360-degree rotation; the microphone 30 and the camera 40 are electrically connected to the host device 50 through a line; and the host device 50 is also connected to receive and receive wireless signals.
  • the module 52 is provided with a security monitoring module 51.
  • the security monitoring module 51 includes: a direction identifying unit 511 for detecting an audio signal acquired by the microphone 30, performing voice recognition, and obtaining source direction information of the audio signal; Controlling the pan-tilt structure to rotate to the corresponding direction according to the direction information of the audio signal source, a follow-up camera unit 512 for taking a picture taken by the camera 40 mounted on the pan-tilt structure; a privacy protection control unit 513 for controlling the rotation of the pan-tilt structure when the privacy-protected voice information is acquired, so as to turn the camera 40 to a blind spot position .
  • the solution of the embodiment adopts the direction identification unit of the security monitoring module to perform sound direction identification, and realizes the listening and sound recognition following shooting through the rotation control of the gimbal structure, and simultaneously realizes the privacy protection instruction recognition through the privacy protection control unit.
  • the device automatically moves to the shooting corner position for privacy protection purposes.
  • the direction recognizing unit 511 includes: a sound recognition subunit 5111 connected to the microphone 30, for synchronizing the audio information acquired by the microphone 30 with the locally stored audio data sample. For comparison, the difference is whether the voice is vocal; the coordinate calculation sub-unit 5112 is configured to calculate a source location parameter of the audio information when the acquired audio information is a human voice. Since there are many external sounds, when performing sound tracking shooting, it is necessary to extract the vocal information therein and filter out the interference noise to achieve accurate follow-up shooting.
  • the privacy protection control unit 513 includes: a blind spot position setting sub-unit 5131, configured to acquire a dead-end position setting instruction input by the user, and prompt the user to adjust the camera 40 to a dead-end position.
  • the dead angle position recording sub-unit 5132 is configured to record the coordinate parameters of the X-axis and the Y-axis in the pan-tilt structure of the camera 40 manually adjusted by the user;
  • the dead-end position automatic adjustment sub-unit 5133 is configured to obtain the privacy-protected voice information.
  • the control pan/tilt structure is rotated to the coordinate parameter corresponding to the recorded dead angle position for privacy protection.
  • the position of the dead angle can be photographed according to the fixed position adjustment setting of the device installed in the room. Specifically, the position of the dead angle can be set by manually rotating the pan/tilt structure. After the position is confirmed, the position of the dead angle at the next shooting can be automatically adjusted by recording the coordinate parameters corresponding to the position.
  • the privacy protection voice information may also be set, that is, the privacy protection control unit 513 further includes: a privacy voice control information setting subunit, configured to provide a voice setting for the user. Set the entrance and set the personalized control voice.
  • the body 20 includes a horizontal turntable 21 that can rotate 180 degrees in the horizontal direction and a vertical turntable 22 that can rotate 180 degrees in the vertical direction.
  • the multi-angle rotation shooting of the camera 40 is achieved by the coordinated movement of the horizontal turret 21 and the vertical turret 22.
  • the camera 40 can be fixed to the horizontal turntable 21 or the vertical turntable 22.
  • the horizontal turntable 21 and the base 10 are rotatably connected in the horizontal direction
  • the vertical turntable 22 is mounted on the horizontal turntable 21, and is rotatably connected in the vertical direction with respect to the horizontal turntable 21.
  • the camera 40 is mounted on the vertical turntable 22.
  • a plurality of microphones 30 are uniformly disposed around the horizontal turntable 21 or around the base 10.
  • the direction identifying unit 511 performs sound source direction setting according to the intensity of the audio information collected by each microphone 30.
  • the audio information collected by the microphone 30 close to the sound source is generally strong, away from the sound.
  • the audio information collected by the source microphone 30 is generally weak, and the audio information collected from the microphone 30 between the closest to the sound source and the farthest from the sound source is gradually weakened, according to the information. The exact direction of the sound source can be calculated.
  • each of the microphones 30 is separately connected to the direction recognizing unit 511, so that accurate analysis and calculation of the sound direction source can be realized.
  • the direction identifying unit 511 includes an audio comparing subunit for comparing the audio data respectively acquired by the eight microphones 30.
  • a plurality of cameras 40 are mounted on the vertical turntable 22, and the plurality of cameras 40 simultaneously capture video; the host device further includes a 3D image generating module for acquiring video data captured by the plurality of cameras 40. , generate 3D image data.

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Abstract

本申请涉及一种图像获取方法，图像获取方法包括以下步骤：检测麦克风获取到的音频信号，对检测到的音频信号进行声音识别，并获知音频信号的来源方向信息；根据音频信号来源方向信息控制物联网智能设备的云台结构转动至相应方向，以便于安装于云台结构上的摄像头进行跟踪拍摄；检测是否有隐私保护语音信息输入；在获取到隐私保护语音信息时，控制云台结构转动，以便于将摄像头转到死角位置。本申请通过进行声音方向识别，并通过对云台结构的转动控制实现听音辨位跟随拍摄，同时通过隐私保护指令识别实现在涉及到隐私信息不便拍摄时，设备自动转移至拍摄死角位置，以达到保护隐私的目的。

Description

一种图像获取方法 技术领域
本发明涉及智能硬件技术领域，更具体地说，涉及一种图像获取方法。
背景技术
随着科技的发展和人们生活水平的提高，人们对居住环境方便快捷的要求也越来越高，智能家居系统应运而生。智能家居系统是现代电子技术、通讯技术及自动化技术相结合的产物，其能够实现对家电设备的自动控制和管理以及对家庭的安全进行监测报警，从而能够为用户提供安全舒适、高效便利的生活环境。
目前的智能家居系统中，用于进行监控录像的物联网设备虽然能实现24小时实时监控录像，但在进行家庭录像时还不够智能。例如，在进行家庭生活影像拍摄时，一旦启动拍摄，则中间无法中断，如有些画面不想被摄入其中，一定需要中断拍摄才行，这样会导致拍摄的视频不连续。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述缺陷，提供一种图像获取方法。
本发明解决其技术问题所采用的技术方案是：
构造一种图像获取方法，其中，所述图像获取方法包括以下步骤：
检测所述麦克风获取到的音频信号，对检测到的音频信号进行声音识别， 并获知所述音频信号的来源方向信息；
根据音频信号来源方向信息控制所述物联网智能设备的云台结构转动至相应方向，以便于安装于所述云台结构上的摄像头进行跟踪拍摄；
检测是否有隐私保护语音信息输入；
在获取到隐私保护语音信息时，控制所述云台结构转动，以便于将所述摄像头转到死角位置，进行隐私保护。
本发明所述的图像获取方法，其中，所述检测所述麦克风获取到的音频信号，对检测到的音频信号进行声音识别，并获知所述音频信号的来源方向信息的步骤具体包括：
将所述麦克风获取的音频信息与本地存储的音频数据样本相比较，区别出是否为人声；
在所获取的音频信息为人声时，计算该音频信息的来源位置参数。
本发明所述的图像获取方法，其中，所述在获取到隐私保护语音信息时，控制所述云台结构转动，以便于将所述摄像头转到死角位置，进行隐私保护的步骤具体包括：
获取用户输入的死角位置设置指令，提示用户将摄像头调整至死角位置；
记录用户手动调整的摄像头死角状况下云台结构中X轴和Y轴的坐标参数；
在获取到隐私保护语音信息时，控制所述云台结构转动至记录的死角位置对应的坐标参数，以进行隐私保护。
本发明所述的图像获取方法，其中，所述物联网智能设备包括主体部，所述主体部内设置有可与互联网连接、且具有数据计算功能的主机装置；所述主体部包括底座和安装在所述底座上的机身；所述机身表面外设或内嵌有用于获 取监控录像的摄像头、一个或多个用于获取外部音频信号的麦克风；所述机身设置为可360度转动拍摄的云台结构；所述麦克风和摄像头通过线路与所述主机装置电连接；所述主机装置还连接有无线信号收发模块。
本发明所述的图像获取方法，其中，所述机身包括可在水平方向进行180度转动的水平转台和可在竖直方向进行180度转动的竖直转台。
本发明所述的图像获取方法，其中，所述水平转台与所述底座可转动连接，所述竖直转台安装于所述水平转台上，所述摄像头安装于所述竖直转台上。
本发明所述的图像获取方法，其中，所述水平转台四周均匀设置有多个麦克风。
本发明所述的图像获取方法，其中，所述方向辨识单元根据多个所述麦克风搜集到的音频信息强弱进行声音来源方向设别。
本发明所述的图像获取方法，其中，所述方向辨识单元包含音频比较子单元，用于比较多个所述麦克风分别获取的音频数据。
本发明所述的图像获取方法，其中，所述竖直转台上安装有多个摄像头，多个所述摄像头同时拍摄视频；
所述主机装置还包括3D影像生成模块，用于获取多个所述摄像头拍摄的视频数据，生成3D影像数据。
本发明的有益效果在于：通过采用安全监控模块的方向辨识单元进行声音方向识别，并通过对云台结构的转动控制实现听音辨位跟随拍摄，同时通过隐私保护控制单元的隐私保护指令识别实现在涉及到隐私信息不便拍摄时，设备自动转移至拍摄死角位置，以达到保护隐私的目的。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明较佳实施例的图像获取方法流程图一；
图2是本发明较佳实施例的图像获取方法流程图二；
图3是本发明较佳实施例的图像获取方法流程图三；
图4是本发明较佳实施例的物联网智能设备大体结构图；
图5是本发明较佳实施例的物联网智能设备原理框图；
图6是本发明较佳实施例的物联网智能设备的安全监控模块原理框图；
图7是本发明较佳实施例的物联网智能设备的方向辨识单元原理框图；
图8是本发明较佳实施例的物联网智能设备的隐私保护控制单元原理框图。
具体实施方式
为了使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的技术方案进行清楚、完整的描述，显然，所描述的实施例是本发明的部分实施例，而不是全部实施例。基于本发明的实施例，本领域普通技术人员在没有付出创造性劳动的前提下所获得的所有其他实施例，都属于本发明的保护范围。
本发明较佳实施例的图像获取方法流程如图1、图2和图3所示，其中，图像获取方法包括以下步骤：
步骤S1、检测麦克风获取到的音频信号，对检测到的音频信号进行声音识别，并获知音频信号的来源方向信息；
具体包括：步骤S11、将麦克风获取的音频信息与本地存储的音频数据样本相比较，区别出是否为人声；步骤S12、在所获取的音频信息为人声时，计 算该音频信息的来源位置参数。
步骤S2、根据音频信号来源方向信息控制物联网智能设备的云台结构转动至相应方向，以便于安装于云台结构上的摄像头进行跟踪拍摄；
步骤S3、检测是否有隐私保护语音信息输入；
步骤S4、在获取到隐私保护语音信息时，控制云台结构转动，以便于将摄像头转到死角位置，进行隐私保护；
具体包括，步骤S41、获取用户输入的死角位置设置指令，提示用户将摄像头调整至死角位置；步骤S42、记录用户手动调整的摄像头死角状况下云台结构中X轴和Y轴的坐标参数；步骤S43、在获取到隐私保护语音信息时，控制云台结构转动至记录的死角位置对应的坐标参数，以进行隐私保护。
本实施例方案通过进行声音方向识别，并通过对云台结构的转动控制实现听音辨位跟随拍摄，同时通过隐私保护指令识别实现在涉及到隐私信息不便拍摄时，设备自动转移至拍摄死角位置，以达到保护隐私的目的。
进一步地，上述实施例中的物联网智能设备结构如图4所示，原理框图如图5和图6所示，包括主体部，主体部内设置有可与互联网连接、且具有数据计算功能的主机装置50；主体部包括底座10和安装在底座10上的机身20；机身20表面外设或内嵌有用于获取监控录像的摄像头40、一个或多个用于获取外部音频信号的麦克风30、用于播放本地存储的音频数据的扬声器；机身20设置为可360度转动拍摄的云台结构；麦克风30和摄像头40通过线路与主机装置50电连接；主机装置50还连接有无线信号收发模块52；主机装置50设置有安全监控模块51，安全监控模块51包括：用于通过检测麦克风30获取到的音频信号、进行声音识别、并获知音频信号的来源方向信息的方向辨识单元511；用于根据音频信号来源方向信息控制云台结构转动至相应方向、 以便于安装于云台结构上的摄像头40进行拍摄的跟随摄像单元512；用于在获取到隐私保护语音信息时控制云台结构转动、以便于将摄像头40转到死角位置的隐私保护控制单元513。本实施例方案通过采用安全监控模块的方向辨识单元进行声音方向识别，并通过对云台结构的转动控制实现听音辨位跟随拍摄，同时通过隐私保护控制单元的隐私保护指令识别实现在涉及到隐私信息不便拍摄时，设备自动转移至拍摄死角位置，以达到保护隐私的目的。
进一步地，上述物联网智能设备中，如图7所示，方向辨识单元511包括：与麦克风30连接的声音识别子单元5111，用于将麦克风30获取的音频信息与本地存储的音频数据样本相比较，区别出是否为人声；坐标计算子单元5112，用于在所获取的音频信息为人声时，计算该音频信息的来源位置参数。由于外界声音有很多中，在进行声音跟踪拍摄时，需提取其中的人声信息，滤除干扰噪声，以实现精确跟随拍摄。
进一步地，上述物联网智能设备中，如图8所示，隐私保护控制单元513包括：死角位置设置子单元5131，用于获取用户输入的死角位置设置指令，提示用户将摄像头40调整至死角位置；死角位置记录子单元5132，用于记录用户手动调整的摄像头40死角状况下云台结构中X轴和Y轴的坐标参数；死角位置自动调节子单元5133，用于在获取到隐私保护语音信息时控制云台结构转动至记录的死角位置对应的坐标参数，以进行隐私保护。在用户使用设备前，可根据设备在室内安装的固定位置调整设置拍摄死角位置，具体地，可通过手动转动云台结构来设置拍摄死角位置。当位置确认好后，通过记录该位置对应的坐标参数可实现下次拍摄时的死角位置自动调节。
上述实施例中，隐私保护语音信息也可以进行设置，即上述隐私保护控制单元513进一步包括：隐私语音控制信息设置子单元，用于给用户提供语音设 置的入口，设置个性化的控制语音。
进一步地，上述物联网智能设备中，机身20包括可在水平方向进行180度转动的水平转台21和可在竖直方向进行180度转动的竖直转台22。通过水平转台21和竖直转台22的协同运动，实现摄像头40的多角度转动拍摄。摄像头40可固定于水平转台21或竖直转台22上。
更进一步地，上述物联网智能设备中，水平转台21与底座10在水平方向上可转动连接，竖直转台22安装于水平转台21上，并相对于水平转台21在竖直方向上可转动连接，摄像头40安装于竖直转台22上。
优选地，上述物联网智能设备中，水平转台21四周或底座10的四周均匀设置有多个麦克风30。上述物联网智能设备中，方向辨识单元511根据每个麦克风30搜集到的音频信息强弱进行声音来源方向设别，例如，靠近声源的麦克风30收集到的音频信息一般会较强，远离声源的麦克风30收集到的音频信息一般会较弱，而位于从距离声源最近处和距离声源最远处之间的麦克风30收集到的音频信息会逐渐减弱，根据该信息强弱梯度分布即可计算出声源的准确方向。
进一步地，上述物联网智能设备中，水平转台21四周均匀设置有至少8个麦克风30，每个麦克风30单独连接至方向辨识单元511，可实现声音方向来源的准确分析计算。方向辨识单元511内设有8个单独的存储单元。
进一步地，上述物联网智能设备中，方向辨识单元511包含音频比较子单元，用于比较8个麦克风30分别获取的音频数据。
进一步地，上述物联网智能设备中，竖直转台22上安装有多个摄像头40，多个摄像头40同时拍摄视频；主机装置还包括3D影像生成模块，用于获取多个摄像头40拍摄的视频数据，生成3D影像数据。
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

  1. 一种图像获取方法，其特征在于，所述图像获取方法包括以下步骤：
    检测所述麦克风获取到的音频信号，对检测到的音频信号进行声音识别，并获知所述音频信号的来源方向信息；
    根据音频信号来源方向信息控制所述物联网智能设备的云台结构转动至相应方向，以便于安装于所述云台结构上的摄像头进行跟踪拍摄；
    检测是否有隐私保护语音信息输入；
    在获取到隐私保护语音信息时，控制所述云台结构转动，以便于将所述摄像头转到死角位置，进行隐私保护；
    所述检测所述麦克风获取到的音频信号，对检测到的音频信号进行声音识别，并获知所述音频信号的来源方向信息的步骤具体包括：
    将所述麦克风获取的音频信息与本地存储的音频数据样本相比较，区别出是否为人声；
    在所获取的音频信息为人声时，计算该音频信息的来源位置参数。
  2. 根据权利要求1所述的图像获取方法，其特征在于，所述在获取到隐私保护语音信息时，控制所述云台结构转动，以便于将所述摄像头转到死角位置，进行隐私保护的步骤具体包括：
    获取用户输入的死角位置设置指令，提示用户将摄像头调整至死角位置；记录用户手动调整的摄像头死角状况下云台结构中X轴和Y轴的坐标参数；
    在获取到隐私保护语音信息时，控制所述云台结构转动至记录的死角位置对应的坐标参数，以进行隐私保护。
  3. 根据权利要求1-2中任一项所述的图像获取方法，其特征在于，所述 物联网智能设备包括主体部，所述主体部内设置有可与互联网连接、且具有数据计算功能的主机装置；所述主体部包括底座和安装在所述底座上的机身；所述机身表面外设或内嵌有用于获取监控录像的摄像头、一个或多个用于获取外部音频信号的麦克风；所述机身设置为可360度转动拍摄的云台结构；所述麦克风和摄像头通过线路与所述主机装置电连接；所述主机装置还连接有无线信号收发模块。
  4. 根据权利要求3所述的图像获取方法，其特征在于，所述机身包括可在水平方向进行180度转动的水平转台和可在竖直方向进行180度转动的竖直转台。
  5. 根据权利要求4所述的图像获取方法，其特征在于，所述水平转台与所述底座可转动连接，所述竖直转台安装于所述水平转台上，所述摄像头安装于所述竖直转台上。
  6. 根据权利要求5所述的图像获取方法，其特征在于，所述水平转台四周均匀设置有多个麦克风。
  7. 根据权利要求6所述的图像获取方法，其特征在于，所述方向辨识单元根据多个所述麦克风搜集到的音频信息强弱进行声音来源方向设别。
  8. 根据权利要求7所述的图像获取方法，其特征在于，所述方向辨识单元包含音频比较子单元，用于比较多个所述麦克风分别获取的音频数据。
  9. 根据权利要求4所述的图像获取方法，其特征在于，所述竖直转台上安装有多个摄像头，多个所述摄像头同时拍摄视频。
  10. 根据权利要求9所述的图像获取方法，其特征在于，所述主机装置还包括3D影像生成模块，用于获取多个所述摄像头拍摄的视频数据，生成3D影像数据。
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