WO2017166741A1 - 一种云台摄像机和具有该云台摄像机的联动相机 - Google Patents

一种云台摄像机和具有该云台摄像机的联动相机 Download PDF

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Publication number
WO2017166741A1
WO2017166741A1 PCT/CN2016/100122 CN2016100122W WO2017166741A1 WO 2017166741 A1 WO2017166741 A1 WO 2017166741A1 CN 2016100122 W CN2016100122 W CN 2016100122W WO 2017166741 A1 WO2017166741 A1 WO 2017166741A1
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WO
WIPO (PCT)
Prior art keywords
camera
pan
tilt
mirror
moving target
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PCT/CN2016/100122
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English (en)
French (fr)
Inventor
赵勇
张峰
吕锋
周如辉
周苗
蔡炀
胡彬
Original Assignee
北京格灵深瞳信息技术有限公司
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Priority claimed from CN201620262659.9U external-priority patent/CN205545594U/zh
Priority claimed from CN201610196204.6A external-priority patent/CN105657233B/zh
Application filed by 北京格灵深瞳信息技术有限公司 filed Critical 北京格灵深瞳信息技术有限公司
Priority to US16/069,498 priority Critical patent/US20190014263A1/en
Publication of WO2017166741A1 publication Critical patent/WO2017166741A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147—Details of sensors, e.g. sensor lenses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/255—Detecting or recognising potential candidate objects based on visual cues, e.g. shapes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
    • 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
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6811—Motion detection based on the image signal
    • 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
    • H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects

Definitions

  • the present application relates to the field of video surveillance technologies, and in particular, to a pan-tilt camera and a linkage camera having the same.
  • multiple fast moving targets in the big scene, that is, in the big scene, multiple fast moving targets can be “visible”, “see clearly” and “catch”, so that you can achieve Emergency response is handled quickly and efficiently.
  • the target quickly performs close-up tracking and captures target detail feature information in turn.
  • Video surveillance cameras are generally difficult to "see all” and “see clearly” at the same time, that is, the details of the target cannot be captured in a large scene, and it is difficult to take care of other targets around when focusing on the details of the target.
  • the linkage camera is usually used to solve the above problem, that is, the wide-angle gun camera is used to monitor the coverage of large scenes, and the targets in the scene are detected to achieve "see full”, and cooperate with the target detection algorithm and telephoto sphere.
  • the PTZ camera tracks and captures the detailed feature information of the target of interest, so as to achieve “seeing clearly”, so as to achieve both “seeing all” and “seeing clearly”.
  • the telephoto dome camera of the existing linkage camera fixedly mounts the telephoto camera on the pan-tilt bracket, and the telephoto camera and the pan-tilt bracket together perform horizontal rotation and pitch rotation, and the mass and the moment of inertia of the rotating component are large. Therefore, the response time of the pan/tilt is slow (starting and stopping slowly), it is difficult Quickly perform close-up tracking and capture target detail feature information for fast moving targets. If fast-moving targets are to be quickly tracked and captured, the target details and information are captured.
  • the driving system and transmission system of the PTZ are required to have higher driving force and strength requirements, which greatly increases the cost of the PTZ.
  • the telephoto dome camera of the existing linkage camera has a slow response speed, and it is difficult to perform close-up tracking and detail capture on the fast moving target.
  • the embodiment of the present application proposes a pan-tilt camera and a linked camera having the pan-tilt camera, so as to solve the slow response speed of the telephoto dome-type pan-tilt camera of the linked camera in the prior art, and it is difficult to perform close-up tracking on the fast moving target. And technical issues of detail capture.
  • An embodiment of the present application provides a pan-tilt camera, including: a camera, a pan/tilt head, a pan-tilt bracket, and a mirror disposed on the pan-tilt bracket, the optical axis of the camera being collinear with the center of the mirror .
  • the pan/tilt is configured to receive moving target information, and drive the mirror to rotate according to the moving target information;
  • the camera is configured to photograph a moving target reflected by the mirror.
  • the pan/tilt can drive the mirror to rotate according to the moving target information, and the camera can capture the moving target reflected by the mirror, and the camera itself does not need to rotate, due to the quality of the mirror and the moment of inertia ratio The quality and moment of inertia of the camera are much smaller. Therefore, the mirror can replace the rotation of the existing camera, which can greatly improve the response speed of the rotation, so that it can quickly track the fast moving target and reduce the driving force and strength of the pan/tilt. The requirements further reduce the cost of the gimbal.
  • Another embodiment of the present application provides a linkage camera, including: a wide-angle gun camera, a front-end video analysis processor, and the above-described pan/tilt camera.
  • the camera included in the pan/tilt camera is a telephoto camera.
  • Wide-angle gun camera for transmitting the collected surveillance video to the front-end video analysis processing Device
  • the front end video analysis processor is configured to detect a moving target in the monitoring video and send a scheduling instruction to the pan/tilt camera; the scheduling instruction includes the moving target information.
  • the pan/tilt head of the pan/tilt camera drives the mirror to rotate with the pan-tilt bracket, and the telephoto camera only needs to capture the moving target reflected by the mirror, and the telephoto camera itself does not need to rotate. Since the rotating component is rotated from the existing telephoto camera to the mirror rotation, the mass and the moment of inertia of the rotating component are reduced, and the driving force and strength requirements of the driving system and the transmission system of the pan/tilt are also reduced, and the response of the rotation is improved. The speed reduces the cost of the pan/tilt, so that the telephoto camera can be used to quickly perform close-up tracking and capture target detail feature information on the fast moving target.
  • FIG. 1 is a schematic structural diagram of a PTZ camera in the embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a linked camera in the embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a PTZ camera in the embodiment of the present application.
  • the PTZ camera 20 includes a camera 201, a PTZ 202, a PTZ support 203, and a PTZ support 203.
  • the optical axis of the camera 201 is collinear with the center of the mirror 204.
  • the pan/tilt head 202 is configured to receive moving target information, and drive the mirror 204 to rotate according to the moving target information.
  • the camera 201 is configured to capture a moving target reflected by the mirror 204.
  • the camera 201 includes a camera body, a lens, and other accessories such as a cord, a cable, and the like.
  • the pan/tilt head 202 can drive the mirror 204 to rotate according to the moving target information, and the camera 201 can capture the moving target reflected by the mirror 204, and the camera 201 itself does not need to rotate.
  • the mass and moment of inertia of the mirror 204 are much smaller than the mass and moment of inertia of the camera 201 (for example, the quality of the camera is usually 150 g, the quality of the mirror is usually only 10 g). Therefore, instead of the rotation of the existing camera 201 by the mirror 204, the response speed of the rotation can be improved, so that the fast moving target can be quickly tracked, and the driving force and strength requirements of the pan/tilt head 202 are lowered, thereby reducing the pan/tilt head. The cost of 202.
  • the camera 201 is not required to be rotated in the embodiment of the present application, the dragging of the camera cable is avoided, thereby reducing the wear and tear on the camera cable during shooting, and prolonging the service life of the camera 201.
  • the pan/tilt head 202 is fixedly coupled to the pan-tilt bracket 203, and an intersection of a horizontal rotation axis and a pitch rotation axis of the pan-tilt head 202 coincides with a center of the mirror 204.
  • the pan/tilt head 202 and the pan-tilt bracket 203 and the mirror 204 are an integral structure. When the pan-tilt head 202 rotates according to the moving target information, the pan-tilt head 202 and the mirror 204 rotate synchronously.
  • the pan/tilt head 202 is located directly below the mirror 204, and the intersection of the horizontal rotation axis and the pitch rotation axis of the pan/tilt head 202 coincides with the center of the mirror 204.
  • the pan-tilt camera 20 further includes a camera mount 205.
  • the pan/tilt head 202 and the pan/tilt head A bracket 203 and the camera 201 are disposed on the camera bracket 205.
  • One end of the camera bracket 205 is placed on the pan-tilt bracket 203, and the other end is placed on the camera 201.
  • the camera mount 205 has a predetermined length.
  • the two ends of the camera holder 205 may be of different heights such that the optical axis of the camera 201 and the center of the mirror 204 Altogether.
  • the camera bracket 205 includes a first vertical structure, a first horizontal structure, and a second vertical structure, and two ends of the first horizontal structure are fixedly connected to the first vertical structure and the second vertical structure, respectively, so that the The horizontal structure has a predetermined height from the horizontal plane, and the pan/tilt bracket 203, the pan/tilt head 202, the mirror 204, the camera 201, and the like are placed on the horizontal structure.
  • pan/tilt head 202 One end of the first horizontal structure where the pan/tilt head 202, the pan-tilt bracket 203, and the mirror 204 are placed is provided with a hole.
  • the pan/tilt head 202 is placed at a hole, and the outer circumference of the pan/tilt head 202 is fitted to the hole or left at a predetermined distance.
  • the pan/tilt head 202 is cylindrical, and the hole is a circular hole. It is known to those skilled in the art that the gimbal 202 can also be formed into other shapes, such as a square, a rectangular parallelepiped, etc., and the holes may have a square shape, a rectangular shape, or the like, which is not limited in the present application, as long as the shape of the hole is It may be the same as the cross-sectional shape of the pan/tilt head 202, or the shape of the hole may be larger than the cross-sectional shape of the pan/tilt head 202.
  • the camera mount 205 further includes a second horizontal structure that is below and parallel to the first horizontal structure and that is separated by a predetermined distance. Both ends of the second horizontal structure are fixedly connected to the first vertical structure and the second vertical structure, respectively. In actual use, the second horizontal structure is placed on the ground or other plane to further enhance the stability of the camera mount 205.
  • the mirror 204 is a plane mirror, a concave mirror or a convex mirror, and the plane mirror is a direct reflection of a real moving target, and the concave mirror or the convex mirror may perform a certain motion on a real moving target. Distortion, change, in the specific use, the person skilled in the art can enter A certain design and calculation can be used to restore the real moving target. The specific design and calculation method can be used in the prior art, and the present application will not be repeated here.
  • the mirror 204 has a circular shape, a rectangular shape, or the like, which is not limited in this application.
  • the embodiment of the present application further provides a linkage camera, which will be described below.
  • the linked camera includes a wide-angle gun camera 10, a front-end video analysis processor 30, and a pan-tilt camera 20 as described above.
  • the camera 201 included in the pan-tilt camera 20 is a telephoto camera, a wide-angle gun camera 10 for transmitting the collected monitoring video to the front-end video analysis processor 30, and the front-end video analysis processor 30 is configured to detect
  • the moving target within the surveillance video is sent to the pan/tilt camera 20 for scheduling instructions.
  • the scheduling instruction includes the moving target information.
  • the wide-angle gun camera can transmit video information to the front-end video analysis processor, and the front-end video analysis processor can detect multiple fast moving targets in the monitoring range by using a preset target detection algorithm, and command the dispatch cloud.
  • the camera automatically performs close-up tracking and capturing target detail feature information in sequence for a plurality of fast moving targets in the range of the wide-angle gun camera monitoring range.
  • the wide-angle gun camera adopts the existing wide-angle gun camera, and as long as the monitoring video and transmission function are acquired, the moving target detection and the transmission scheduling instruction performed by the front-end video analysis processor can adopt the prior art. Implementation, this application does not repeat here.
  • the pan/tilt head of the pan/tilt camera drives the mirror to rotate with the pan-tilt bracket, and the telephoto camera only needs to capture the moving target reflected by the mirror, and the telephoto camera itself does not need to rotate. Since the rotating component is rotated from the existing telephoto camera to the mirror rotation, the mass and the moment of inertia of the rotating component are reduced, and the driving force and strength requirements of the driving system and the transmission system of the pan/tilt are also reduced, and the response of the rotation is improved.
  • the speed reduces the cost of the pan/tilt, so that the telephoto camera can be used to quickly perform close-up tracking and capture target detail feature information for fast moving targets, that is, to view multiple fast moving targets in a large scene. You can "see” and “see clearly” and you can "catch”, so that you can quickly and effectively deal with emergencies.

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Abstract

本申请提供了一种云台摄像机和具有该云台摄像机的联动相机。云台摄像机包括摄像机、云台、云台支架以及设置在云台支架上的反射镜，所述摄像机的光轴线与反射镜的中心共线，云台用于接收运动目标信息，并根据运动目标信息驱动反射镜转动；所述摄像机用于对反射镜反射的运动目标进行拍摄。联动相机包括广角枪式摄像机、前端视频分析处理器以及上述云台摄像机，所述摄像机为长焦摄像机，广角枪式摄像机用于将采集到的监控视频传输至前端视频分析处理器；前端视频分析处理器用于检测监控视频内的运动目标并向云台摄像机发送调度指令；所述调度指令包括运动目标信息。采用本申请所提供的方案可以提高转动的响应速度，从而对快速移动目标进行快速跟踪拍摄。

Description

一种云台摄像机和具有该云台摄像机的联动相机
本申请要求于2016年3月31日提交中国专利局、申请号为201620262659.9、发明名称为“一种云台摄像机和联动相机”的中国专利申请以及于2016年3月31日提交中国专利局、申请号为201610196204.6、发明名称为“一种云台摄像机和联动相机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及视频监控技术领域，尤其涉及一种云台摄像机和具有该云台摄像机的联动相机。
背景技术
通常大场景下有多个感兴趣快速运动目标，即大场景下对多个感兴趣快速运动目标既可以“看得见”、“看得清”又可以“抓得住”，从而可以达到对突发应急事件快速有效的处理。这就要求广角枪式摄像机能够对监控范围内的多个快速运动目标进行检测，并且长焦球型云台摄像机能够配合移动目标检测算法对广角枪式摄像机监控范围内的多个感兴趣快速移动目标依次快速进行特写跟踪和捕捉目标细节特征信息。
视频监控摄像头一般难以同时“看得全”和“看得清”，即大场景下无法捕捉目标的细节特征信息，在专注目标细节特征时难以顾及到周围的其他目标。目前，通常采用联动相机解决上述问题，即采用广角枪式摄像机实现对大场景的覆盖监控，并对场景中的目标进行检测，达到“看得全”，并配合目标检测算法和长焦球型云台摄像机跟踪捕捉感兴趣目标的细节特征信息，达到“看得清”，从而实现同时兼顾“看得全”和“看得清”。
现有联动相机的长焦球型云台摄像机将长焦摄像机固定安装在云台支架上，长焦摄像机与云台支架整体一起进行水平转动及俯仰转动，转动部件的质量和转动惯量都很大，因此云台转动时响应速度缓慢(启动和停止缓慢)，难 以对快速移动目标快速进行特写跟踪和捕捉目标细节特征信息。如果要对快速移动目标快速进行特写跟踪和捕捉目标细节特征信息，对云台的驱动系统和传动系统提出了较高的驱动力和强度要求，大幅增加了云台的成本。
现有联动相机的长焦球型云台摄像机响应速度较慢，难以对快速移动目标进行特写跟踪和细节捕捉。
发明内容
本申请实施例提出了一种云台摄像机和具有该云台摄像机的联动相机，以解决现有技术中联动相机的长焦球型云台摄像机响应速度较慢，难以对快速移动目标进行特写跟踪和细节捕捉的技术问题。
本申请实施例提供了一种云台摄像机，包括：摄像机、云台、云台支架以及设置在所述云台支架上的反射镜，所述摄像机的光轴线与所述反射镜的中心共线。
所述云台用于接收运动目标信息，并根据所述运动目标信息驱动所述反射镜转动；
所述摄像机用于对所述反射镜反射的运动目标进行拍摄。
所述云台可以根据运动目标信息驱动所述反射镜转动，所述摄像机对所述反射镜反射的运动目标进行拍摄即可，所述摄像机本身无需进行转动，由于反射镜的质量和转动惯量比摄像机的质量和转动惯量小很多，因此，由反射镜来代替现有摄像机转动，可以大大提高转动的响应速度，从而可以对快速移动目标进行快速跟踪拍摄，并且降低了云台的驱动力和强度要求，进而降低了云台的成本。
本申请另一个实施例提供了一种联动相机，包括：广角枪式摄像机、前端视频分析处理器，以及上述云台摄像机。
其中，所述云台摄像机所包括的摄像机为长焦摄像机，
广角枪式摄像机用于将采集到的监控视频传输至所述前端视频分析处理 器；
前端视频分析处理器用于检测所述监控视频内的运动目标，并向所述云台摄像机发送调度指令；所述调度指令包括所述运动目标信息。
所述云台摄像机的云台驱动所述反射镜与所述云台支架转动，所述长焦摄像机只需拍摄所述反射镜反射的运动目标即可，无需所述长焦摄像机自身进行转动，由于转动部件由现有的长焦摄像机转动变为反射镜转动，转动部件的质量和转动惯量降低，对云台的驱动系统和传动系统的驱动力和强度要求也随之降低，提高转动的响应速度的同时降低了云台的成本，从而可以利用所述长焦摄像机对快速移动目标快速进行特写跟踪和捕捉目标细节特征信息。
附图说明
下面将参照附图描述本申请的具体实施例，其中：
图1示出了本申请实施例中云台摄像机的结构示意图；
图2示出了本申请实施例中联动相机的结构示意图；
10、广角枪式摄像机；
20、云台摄像机；
30、前端视频分析处理器；
40、联动相机
201、摄像机；
202、云台；
203、云台支架；
204、反射镜；
205、摄像机支架。
具体实施方式
为了使本申请的技术方案及优点更加清楚明白，以下结合附图对本申请的示例性实施例进行进一步详细的说明，显然，所描述的实施例仅是本申请的一 部分实施例，而不是所有实施例的穷举，并且在不冲突的情况下，本说明中的实施例及实施例中的特征可以互相结合。
图1示出了本申请实施例中云台摄像机的结构示意图，如图所示，所述云台摄像机20包括：摄像机201、云台202、云台支架203以及设置在所述云台支架203上的反射镜204，所述摄像机201的光轴线与所述反射镜204的中心共线。
所述云台202，用于接收运动目标信息，并根据所述运动目标信息驱动所述反射镜204转动。所述摄像机201用于对所述反射镜204反射的运动目标进行拍摄。所述摄像机201包括摄像机本体、镜头以及其他附件如绳索、线缆等。所述云台202可以根据运动目标信息驱动所述反射镜204转动，所述摄像机201对所述反射镜204反射的运动目标进行拍摄即可，所述摄像机201本身无需进行转动。由于反射镜204的质量和转动惯量比摄像机201的质量和转动惯量小很多(例如：摄像机的质量通常为150g，反射镜的质量通常仅为10g)。因此，由反射镜204来代替现有摄像机201转动，可以提高转动的响应速度，从而可以对快速移动目标进行快速跟踪拍摄，并且降低了云台202的驱动力和强度要求，进而降低了云台202的成本。
除此之外，由于本申请实施例中无需摄像机201转动，避免了摄像机线缆的拖动，从而可以减少拍摄过程中对摄像机线缆的耗损，延长所述摄像机201的使用寿命。
所述云台202与所述云台支架203固定连接，所述云台202的水平转动轴线和俯仰转动轴线的交点与所述反射镜204的中心重合。
所述云台202与所述云台支架203、所述反射镜204为一整体结构，在根据所述运动目标信息进行转动时，所述云台202和所述反射镜204同步转动。
所述云台202位于反射镜204正下方，所述云台202的水平转动轴线和俯仰转动轴线的交点与所述反射镜204的中心重合。
所述云台摄像机20进一步包括摄像机支架205。所述云台202、所述云台 支架203、所述摄像机201设置在所述摄像机支架205上。所述摄像机支架205的一端放置所述云台支架203、另一端放置所述摄像机201。所述摄像机支架205具有一预定长度。
由于所述反射镜204的尺寸以及所述摄像机201的尺寸可能有所不同，所述摄像机支架205的两端可以为不同高度，以使得所述摄像机201的光轴线和所述反射镜204的中心共线。
所述摄像机支架205包括第一垂直结构、第一水平结构和第二垂直结构，所述第一水平结构的两端分别与所述第一垂直结构、第二垂直结构固定连接，从而使得所述水平结构距离水平面有一预设高度，所述云台支架203、所述云台202、所述反射镜204、所述摄像机201等均放置在所述水平结构上。
所述第一水平结构放置所述云台202、所述云台支架203和所述反射镜204的一端设有孔洞。将所述云台202置于孔洞处，所述云台202的外周与所述孔洞贴合或留有一预定距离。
所述云台202为圆柱形，所述孔洞为圆孔。本领域技术人员可以知晓，所述云台202还可以做成其他形状，例如：正方体、长方体等，所述孔洞可以为正方形、长方形等形状，本申请对此不作限制，只要所述孔洞的形状与所述云台202的横截面形状相同，或者所述孔洞的形状大于所述云台202横截面形状即可。
所述摄像机支架205进一步包括第二水平结构，所述第二水平结构位于所述第一水平结构的下方且与之平行，且相隔预设距离。所述第二水平结构的两端分别与所述第一垂直结构、第二垂直结构固定连接。在实际使用时，所述第二水平结构置于地面或者其他平面上，以进一步提升所述摄像机支架205的稳固性。
所述反射镜204为平面反射镜、凹面反射镜或凸面反射镜等，所述平面反射镜为真实运动目标的直接反射，所述凹面反射镜或凸面反射镜可能会对真实运动目标进行一定的扭曲、变化，在具体使用时，本领域技术人员可以进 行一定的设计、计算即可还原得到真实运动目标，具体设计、计算方法可以采用现有技术，本申请在此不再赘述。
所述反射镜204为圆形、长方形等形状，本申请对此不作限制。
基于同一发明构思，本申请实施例还提供了一种联动相机，下面进行说明。
图2示出了本申请实施例中联动相机的结构示意图，如图所示，所述联动相机包括：广角枪式摄像机10、前端视频分析处理器30，以及如上所述的云台摄像机20。
所述云台摄像机20所包括的摄像机201为长焦摄像机，广角枪式摄像机10，用于将采集到的监控视频传输至所述前端视频分析处理器30，前端视频分析处理器30用于检测所述监控视频内的运动目标，并向所述云台摄像机20发送调度指令。所述调度指令包括所述运动目标信息。
广角枪式摄像机可以将视频信息传输至所述前端视频分析处理器，所述前端视频分析处理器可以采用预设的目标检测算法对监控范围内的多个快速运动目标进行检测，并指挥调度云台摄像机对所述广角枪式摄像机监控范围内的多个感兴趣快速移动目标依次快速进行特写跟踪和捕捉目标细节特征信息。
所述广角枪式摄像机采用现有的广角枪式摄像机，只要具备采集监控视频和传输功能即可，所述前端视频分析处理器所进行的运动目标检测、发送调度指令等均可以采用现有技术实现，本申请在此不做赘述。
所述云台摄像机的云台驱动所述反射镜与所述云台支架转动，所述长焦摄像机只需拍摄所述反射镜反射的运动目标即可，无需所述长焦摄像机自身进行转动，由于转动部件由现有的长焦摄像机转动变为反射镜转动，转动部件的质量和转动惯量降低，对云台的驱动系统和传动系统的驱动力和强度要求也随之降低，提高转动的响应速度的同时降低了云台的成本，从而可以利用所述长焦摄像机对快速移动目标快速进行特写跟踪和捕捉目标细节特征信息，即在大场景下对多个感兴趣快速运动目标既可以“看得见”、“看得清”又可以“抓得住”，从而可以达到对突发应急事件快速有效的处理。
本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法。本发明的保护范围应以权利要求所限定的为准。

Claims (10)

  1. 一种云台摄像机，包括：
    摄像机、云台、云台支架以及设置在所述云台支架上的反射镜；
    所述摄像机的光轴线与所述反射镜的中心共线；
    所述云台，用于接收运动目标信息，并根据所述运动目标信息驱动所述反射镜转动；
    所述摄像机，用于对所述反射镜反射的运动目标进行拍摄。
  2. 如权利要求1所述的云台摄像机，其特征在于，所述云台与所述云台支架固定连接，所述云台的水平转动轴线和俯仰转动轴线的交点与所述反射镜的中心重合。
  3. 如权利要求1所述的云台摄像机，其特征在于，所述云台摄像机进一步包括摄像机支架；
    所述云台支架位于所述摄像机支架的一端，所述摄像机位于所述摄像机支架的另一端。
  4. 如权利要求3所述的云台摄像机，其特征在于，所述摄像机支架包括第一垂直结构、第一水平结构和第二垂直结构，所述第一水平结构的两端分别与所述第一垂直结构、第二垂直结构固定连接。
  5. 如权利要求4所述的云台摄像机，其特征在于，所述第一水平结构的一端设置有孔洞，所述云台位于所述孔洞处与所述第一水平结构活动连接。
  6. 如权利要求5所述的云台摄像机，其特征在于，所述云台为圆柱形，所述孔洞为圆孔。
  7. 如权利要求4所述的云台摄像机，其特征在于，所述摄像机支架进一步包括第二水平结构；
    所述第二水平结构与所述第一水平结构平行且相隔预设距离，所述第二水平结构的两端分别与所述第一垂直结构、第二垂直结构固定连接。
  8. 如权利要求1所述的云台摄像机，其特征在于，所述反射镜为平面反射镜、凹面反射镜或凸面反射镜。
  9. 如权利要求1所述的云台摄像机，其特征在于，所述反射镜为圆形。
  10. 一种联动相机，包括广角枪式摄像机、前端视频分析处理器，以及如权利要求1至9任一所述的云台摄像机；
    其中，所述云台摄像机所包括的摄像机为长焦摄像机；
    广角枪式摄像机用于将采集到的监控视频传输至所述前端视频分析处理器；
    前端视频分析处理器用于检测所述监控视频内的运动目标，并向所述云台摄像机发送调度指令；以及所述调度指令包括所述运动目标信息。
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