CN105227929A - A kind of safety monitoring device for airport - Google Patents
A kind of safety monitoring device for airport Download PDFInfo
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- CN105227929A CN105227929A CN201510672950.3A CN201510672950A CN105227929A CN 105227929 A CN105227929 A CN 105227929A CN 201510672950 A CN201510672950 A CN 201510672950A CN 105227929 A CN105227929 A CN 105227929A
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Abstract
The invention discloses a kind of safety monitoring device for airport, belong to monitoring technique field, airport, described safety monitoring device comprises imaging device and control system, described imaging device comprises and is fixed on four low resolution camera on spherical structure and a high-resolution camera, described control system comprises a DSP main control unit and a FPGA unit, and described DSP main control unit controls the work of described high-resolution camera and low resolution camera by FPGA unit.Adopt safety monitoring device of the present invention to carry out security monitoring to airport, significantly can reduce the quantity of the camera head that airport necessary for monitoring is wanted, save cost, effectively reduce data volume, improve detection efficiency, solve the contradictory problems of visual field, resolution and real-time.
Description
Technical field
The present invention relates to a kind of new equipment for airport monitoring, a kind of supervising device specifically carry out Large visual angle on airport, monitoring without dead angle.
Background technology
At present, the method monitored is carried out in the employing of major part airport by single camera lens collection image, the method is subject to the constraint of the field of view angle of imaging sensor, general needs settle a large amount of cameras to cover the region of monitoring in different scenes, there is certain drawback in this method, one is need a large amount of devices, and two is there is a large amount of redundant datas.
Summary of the invention
For the problems referred to above, the invention provides a kind of Large visual angle for airport, high efficiency safety monitoring device, described safety monitoring device comprises imaging device and control system, described imaging device comprises four low resolution camera and a high-resolution camera, is all fixedly connected on spherical structure.Described control system comprises a DSP main control unit and a FPGA unit, this FPGA unit provides a five road signals corresponding control high-resolution camera and four low resolution camera respectively, DSP main control unit, by connecting FPGA unit, controls the photography work of imaging device.
Described imaging device is arranged on airport monitoring scene, monitors the moving target in scene and scene, realizes the Large visual angle monitoring of scene and the monitoring of special exercise target.
Described FPGA unit provides five road signals to control respectively the high-resolution camera in described imaging device and low resolution camera, is first monitored the target in scene by low resolution camera; If the contextual data of low resolution camera collection changes, namely have moving target to occur, FPGA unit feeds back to DSP main control unit; DSP main control unit controls high-resolution camera by FPGA unit again and carries out clockwise rotary taking according to the camera site of four low resolution camera, high-resolution camera carries out staring imaging after obtaining moving target position, DSP main control unit gathers the staring imaging data of high-resolution camera, and carry out accurately extracting and Video stabilization process, obtain moving target two dimensional image clearly.
Described high-resolution camera adopts universal flake articulated structure, can realize the comprehensive trace adjustment of low-angle, to be suitable for the demand of Large visual angle monitoring.
The present invention has the following advantages:
1, adopt safety monitoring device of the present invention to carry out security monitoring to airport, significantly can reduce the quantity of the camera head that airport necessary for monitoring is wanted, save cost, the research of this device is expected to the change in modern intelligent monitor system production method and means.
When 2, adopting safety monitoring device of the present invention to identify the target in environment, first the camera of four low resolution is adopted tentatively to monitor the carrying out of moving target, then trigger high-resolution camera when there is moving target in the scene that low resolution camera covers to monitor, data acquisition is carried out by the integrated mode of this variable resolution, effectively can reduce data volume, improve detection efficiency, solve the contradictory problems of visual field, resolution and real-time.
Accompanying drawing explanation
Fig. 1 is imaging device mechanical structure schematic diagram in the present invention.
In figure:
1. spherical structure; 2. high-resolution camera; 3. low resolution camera.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The invention provides a kind of safety monitoring device for airport, as shown in Figure 1, described safety monitoring device comprises imaging device and control system, described imaging device is made up of the camera that five are fixed on spherical structure 1, described spherical structure 1 is 1/2nd spheres, the soffit plane level of sphere is fixed, spherical radius is r, in cambered surface, a high-resolution camera 2 is fixed apart from the position for r in distance soffit plane position farthest namely, evenly arranges four low resolution camera 3 in the surrounding of described high-resolution camera 2.Four described low resolution camera 3 are arranged on a ball cross section of described spherical structure 1, and described ball cross-section parallel is in soffit plane.The shooting angle of each low resolution camera 3 and high-resolution camera 2 is fixed, the shooting direction of high-resolution camera 2 is the sphere perpendicular to this high-resolution camera 2 position, and the angle between each low resolution camera 3 and high-resolution camera 2 is 16 degree (described angle is Liang Ge camera pupil center reverse extending wire clamp angle); Adjacent two low resolution camera 3 each other angle angle are 22.4784 degree.The Preliminary detection of low resolution and high-resolution accurate identification can be carried out respectively to the monitoring Large visual angle splicing of scene and moving target.
Described high-resolution camera 2 adopts universal flake articulated structure.
Described control system includes a DSP main control unit and a FPGA unit, this FPGA unit provides five road signals to be connected respectively control camera, described FPGA unit is connected to DSP main control unit, DSP main control unit controls each camera shooting moving target by FPGA unit, completes the collection of data, transmission and stores.
In above-described embodiment, the concrete structure of imaging device and the number of camera can be arranged according to the needs of actual acquisition.
Detailed process is:
The camera that DSP main control unit controls four low resolution is simultaneously monitored in real time and detects moving target, and the image that extract real-time four low resolution camera gather, contextual data according to low resolution camera collection changes, namely moving target is had to occur, now DSP main control unit is by the feedback of FPGA unit, send the instruction that high-resolution camera carries out taking, high-resolution camera is enabled, and rotate to according to clockwise direction the camera site that low resolution camera photographs moving target successively and carry out high-resolution shooting, staring imaging is carried out in the camera site with moving target, the staring imaging data of the moving target that DSP main control unit is taken according to high-resolution camera, moving target position is accurately extracted and carries out Video stabilization process, obtain moving target clearly.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and implementation method etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (3)
1. the safety monitoring device for airport, it is characterized in that: comprise imaging device and control system, described imaging device comprises and is fixed on four low resolution camera on spherical structure and a high-resolution camera, described control system comprises a DSP main control unit and a FPGA unit, and described DSP main control unit controls the work of described high-resolution camera and low resolution camera by FPGA unit.
2. a kind of safety monitoring device for airport according to claim 1, it is characterized in that: described spherical structure is 1/2nd spheres, soffit plane level is fixed, spherical radius is r, in cambered surface, a high-resolution camera is fixed apart from the position for r in distance soffit plane position farthest namely, evenly arranges four low resolution camera in the surrounding of described high-resolution camera; Four described low resolution camera are positioned on a ball cross section, and described ball cross-section parallel is in soffit plane.
3. a kind of safety monitoring device for airport according to claim 1, it is characterized in that: the shooting direction of described high-resolution camera is the sphere perpendicular to this high-resolution camera position, the angle between each low resolution camera and high-resolution camera is 16 degree; Between adjacent two low resolution camera, angle is 22.4784 degree; Described angle refers to the angle of Liang Ge camera pupil center reverse extending line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510672950.3A CN105227929A (en) | 2015-10-16 | 2015-10-16 | A kind of safety monitoring device for airport |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672950.3A CN105227929A (en) | 2015-10-16 | 2015-10-16 | A kind of safety monitoring device for airport |
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| CN105227929A true CN105227929A (en) | 2016-01-06 |
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| CN201510672950.3A Pending CN105227929A (en) | 2015-10-16 | 2015-10-16 | A kind of safety monitoring device for airport |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108111753A (en) * | 2017-12-14 | 2018-06-01 | 中国电子科技集团公司电子科学研究院 | A kind of high-resolution real time panoramic monitoring device and monitoring method |
| CN108289201A (en) * | 2018-01-24 | 2018-07-17 | 北京地平线机器人技术研发有限公司 | Video data handling procedure, device and electronic equipment |
| CN110546949A (en) * | 2017-07-05 | 2019-12-06 | 达美尔电子有限及两合公司 | Multi-sensor camera |
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| US20070115358A1 (en) * | 2005-11-18 | 2007-05-24 | Mccormack Kenneth | Methods and systems for operating a video surveillance system |
| CN101511005A (en) * | 2009-02-23 | 2009-08-19 | 浙江大学 | Multi-item panorama infrared locking and tracking camera shot system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110546949A (en) * | 2017-07-05 | 2019-12-06 | 达美尔电子有限及两合公司 | Multi-sensor camera |
| CN110546949B (en) * | 2017-07-05 | 2022-03-01 | 达美尔电子有限及两合公司 | Multi-sensor camera |
| CN108111753A (en) * | 2017-12-14 | 2018-06-01 | 中国电子科技集团公司电子科学研究院 | A kind of high-resolution real time panoramic monitoring device and monitoring method |
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Application publication date: 20160106 |