CN104539897A - Monitoring camera - Google Patents
Monitoring camera Download PDFInfo
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- CN104539897A CN104539897A CN201410825338.0A CN201410825338A CN104539897A CN 104539897 A CN104539897 A CN 104539897A CN 201410825338 A CN201410825338 A CN 201410825338A CN 104539897 A CN104539897 A CN 104539897A
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Abstract
The invention discloses a monitoring camera which comprises an imaging unit, a first buffering unit, an event detecting unit, a marking and compressing unit, a second buffering unit, a video abstraction generation unit and an interface unit. The monitoring camera can fast provide video data and video abstraction data.
Description
Technical field
The present invention relates to video monitoring equipment, particularly a kind of CCTV camera.
Background technology
Existing CCTV camera is usually such as, with the shooting of fixing speed and output video data, the image of output 25 frame per second or 30 frames.These video datas are usually sent in the mode of wired or wireless transmission and show in the TV monitor of rear end equipment, or are sent on the medium such as disk as rear end equipment and preserve.
But under many circumstances, the video data that such as during night, the CCTV camera of building security system photographs is that the most of the time is that not event occurs or do not occur moving target.The major part of these video datas therefore preserved on the media such as disk does not have recording events or moving target.
Utilize video carry out scouting solve a case time, usual needs are checked preserved all videos data and no matter whether record event or moving target, so inherently waste a large amount of time, therefore in video data, fast finding event or moving target are necessary.For this reason, the all videos data that the media such as the disk of rear end equipment preserve are carried out preliminary treatment by prior art usually, such as all videos the data longer time of checking are converted to the time of checking shorter video frequency abstract data, to improve speed or the efficiency of searched events or moving target.
The preliminary treatment of video data is carried out in Surveillance center or Control Room, corresponding equipment and software is needed with generating video Summary file or data, when the quantity of CCTV camera is more, the disposal ability of Surveillance center or the equipment needed for Control Room and software just needs very strong, and it is very difficult in fact will focusing on from tens video datas that even up to a hundred CCTV cameras gather fast.
Summary of the invention
The object of the invention is to provide-kind of new CCTV camera.This kind of CCTV camera, is characterized in that, it comprises: image-generating unit, for the video data of acquisition monitoring object; First buffer cell, this unit is connected with image-generating unit, carries out buffer memory for the video data gathered image-generating unit; Event detection unit, this unit is connected with the first buffer cell, for carrying out event detection to the video data from the first buffer cell; Mark and compression unit, this unit is connected with event detection unit, for carrying out the video data exported from event detection unit compressing process and adding mark to the event occurred in video data; Second buffer cell, this unit is connected with mark and compression unit, to mark and compression unit handled by after video data carry out buffer memory; Video frequency abstract generation unit, this unit is connected with the second buffer cell, for generating video summary data; Interface unit, this unit is connected with video frequency abstract generation unit and mark and compression unit respectively, for outside output video summary data and the video data after mark and compression unit process, and the control signal received from outside or data.
The video data that the monitoring camera function fast processing image-generating unit of this kind of structure gathers, energy is generating video summary data fast, output video summary data and the video data after mark and compression process can be selected like this, namely can select as required only video frequency abstract data to be exported, also can select as required only the video data after mark and compression process to be exported, also video frequency abstract data and the video data after mark and compression process can be selected as required all to export, be conducive to flexible choice and operation video, be particularly conducive to and utilize video frequency abstract fast data search event or moving target.In addition, because this kind of CCTV camera itself can generating video summary data, can effectively alleviate Surveillance center or Control Room faces the pressure focusing on multitude of video data.
Described mark and compression unit can adopt various structures.The structure of mark and compression unit can be the built-in structure that compressed video data and flag event be carried out simultaneously, also can be the rear-mounted structure of first compressed video data, rear flag event, can also be the rear-mounted structure of first flag event, rear compressed video data.Preferably, the structure of mark and compression unit is the built-in structure that compressed video data and flag event are carried out simultaneously.
For the ease of identifying the target or event type that occur in video data, CCTV camera preferably includes anomalous identification unit.Described anomalous identification unit is preferably connected with event detection unit, is conducive to like this improving recognition speed.
In order to identify specific objective fast, CCTV camera can also comprise specific objective library unit.This specific objective library unit is preferably connected with anomalous identification unit and interface unit respectively.The specific objective information in long-range specific objective storehouse can be obtained like this by interface unit, and these specific objective information are stored in specific objective library unit, so that anomalous identification unit energy quick calling.
Preferably, CCTV camera can also comprise repository unit.This repository unit is preferably connected with anomalous identification unit and interface unit respectively.The expertise in remote repository can be obtained like this by interface unit, and these expertises are stored in repository unit, so that anomalous identification unit energy quick calling.
In a preferred embodiment, CCTV camera can also comprise alarm unit.This alarm unit is preferably connected with anomalous identification unit.This alarm unit can send the alarm signals such as acousto-optic in this locality, also can provide alarm signal by interface unit to being positioned at alarm platform at a distance.
Accompanying drawing explanation
Figure l is the block diagram of CCTV camera of the present invention.
Fig. 2 is the block diagram of second embodiment of the present invention.
Embodiment
Figure l is the block diagram of CCTV camera of the present invention.As can see from Figure 1, CCTV camera 10 comprise image-generating unit 11, the first buffer cell 12 be connected with image-generating unit, the event detection unit 13 be connected with the first buffer cell 12, the mark be connected with event detection unit 13 and compression unit 14, with mark and compression unit 14 the second buffer cell 15, the video frequency abstract generation unit 16 be connected with the second buffer cell 15 and the interface unit 17 that are connected.
Image-generating unit 11 takes the reference object as monitored object, and generates the video data corresponding with captured reference object image with the anchor-frame cycle.Image-generating unit 11 is such as have CCD(Charge Coupled Device, charge coupled device) etc. the shooting movement of capturing element.The picture signal corresponding with captured image, such as, with 30 fps(frame per second, frame/second) as the fixing frame period, and export from capturing element.And image-generating unit 11 has the A/D converter etc. for analog signal being converted to digital signal.Picture signal from capturing element converts video data as digital signal to by described A/D converter.Described video data, such as, export from image-generating unit 11 with the frame period of 30 fps.
First buffer cell 12 receives the video data from image-generating unit 11, carries out buffer memory for the video data exported image-generating unit 11, for event detection unit 13 below provides process or condition of work.
Event detection unit 13 detects the event in the video data from the first buffer cell 12.The initial time that the event that such as detects occurs, termination time or duration.
Mark and compression unit 14 carry out compressing process to the video data from event detection unit 13 and add mark to the event occurred in video data.In the present embodiment, the structure of mark and compression unit 14 is the built-in structure that video compression and flag event are carried out simultaneously.
Second buffer cell 15 is that the video data after handled by mark and compression unit 14 carries out buffer memory, for video frequency abstract generation unit 16 below provides process or condition of work.
Video frequency abstract generation unit 16 for generating video summary data, for the event in fast finding video provides important video resource.
Interface unit 17 is connected with mark and compression unit 14 and video frequency abstract generation unit 16 respectively, for outside output video summary data and the video data after mark and compression unit process, and the control signal received from outside or data.
In the present embodiment, the control signal that interface unit 17 can receive from outside is selected to export relevant video data.Such as, can an output video summary data; Again such as, the video data after mark and compression unit process can be exported, again can output video summary data.Obviously this is conducive to flexible choice and operation video, because this kind of CCTV camera has the ability of generating video summary data, can be Surveillance center or Control Room alleviate face the pressure of process multitude of video data and provide conveniently for the subsequent applications of video.
Fig. 2 is the block diagram of second embodiment of the present invention.As can be seen from Figure 2, the CCTV camera shown in Fig. 2 is on the basis of the embodiment of first shown in Fig. 1, add anomalous identification unit 18, alarm unit 19, specific objective library unit 21 and repository unit 20.
In the present embodiment, anomalous identification unit 18 is connected with event detection unit 13, for identifying the target or event type that occur in video data.Such as, the targets such as the number-plate number occurred in identification video data.
Alarm unit 19 is connected with anomalous identification unit 18, for output alarm signal.Such as, after anomalous identification unit 18 identifies the specific number-plate number, alarm unit 19 just sends the alarm signal of certain forms.
Specific objective library unit 21 is connected with anomalous identification unit 18 and interface unit 17 respectively, can the specific objective information in long-range specific objective storehouse be obtained by interface unit 17 and be stored in specific objective library unit 21 like this, so that anomalous identification unit 18 quick calling, to identify specific target fast.
Repository unit 20 is also connected with anomalous identification unit 18 and interface unit 17 respectively, can the expertise in remote repository be obtained by interface unit 17 and be stored in repository unit 20 like this, so that anomalous identification unit 18 utilizes expertise fast, improves identification level.
The CCTV camera of the present embodiment, except video frequency abstract data and the video data after mark and compression unit process can be provided, can also specific target be identified fast and send alarm signal, can to refresh one's knowledge the expertise in library unit and the specific objective information in specific objective library unit simultaneously, to make it have the ability identifying target fast.
Although shown and described and thought preferred embodiments of the invention at present, obviously, those skilled in the art can carry out various changes and improvements, and does not deviate from scope of the present invention as defined in appended claims.
Claims (10)
1. a CCTV camera, is characterized in that, described CCTV camera comprises: image-generating unit, for the video data of acquisition monitoring object; First buffer cell, this unit is connected with image-generating unit, carries out buffer memory for the video data gathered image-generating unit; Event detection unit, this unit is connected with the first buffer cell, for carrying out event detection to the video data from the first buffer cell; Mark and compression unit, this unit is connected with event detection unit, for carrying out the video data exported from event detection unit compressing process and adding mark to the event occurred in video data; Second buffer cell, this unit is connected with mark and compression unit, to mark and compression unit handled by after video data carry out buffer memory; Video frequency abstract generation unit, this unit is connected with the second buffer cell, for generating video summary data; Interface unit, this unit is connected with video frequency abstract generation unit and mark and compression unit respectively, for outside output video summary data and the video data after mark and compression unit process, and the control signal received from outside or data.
2. CCTV camera as claimed in claim 1, it is characterized in that, the structure of described mark and compression unit is the built-in structure that compressed video data and flag event are carried out simultaneously.
3. CCTV camera as claimed in claim 1, it is characterized in that, the structure of described mark and compression unit is the rear-mounted structure of first compressed video data, rear flag event.
4. CCTV camera as claimed in claim 1, it is characterized in that, the structure of described mark and compression unit is the rear-mounted structure of first flag event, rear compressed video data.
5. the CCTV camera as described in one of Claims 1-4, is characterized in that, described CCTV camera also comprises anomalous identification unit, and this unit is connected with event detection unit, for identifying the target or event type that occur in video data.
6. CCTV camera as claimed in claim 5, it is characterized in that, described CCTV camera also comprises specific objective library unit, and this unit is connected with anomalous identification unit and interface unit respectively, for providing specific objective information.
7. CCTV camera as claimed in claim 5, it is characterized in that, described CCTV camera also comprises repository unit, and this unit is connected with anomalous identification unit and interface unit respectively, for providing the expertise needed for identification.
8. CCTV camera as claimed in claim 5, it is characterized in that, described CCTV camera also comprises alarm unit, and this unit is connected with anomalous identification unit, for output alarm signal.
9. CCTV camera as claimed in claim 6, it is characterized in that, described CCTV camera also comprises repository unit, and this unit is connected with anomalous identification unit and interface unit respectively, for providing the expertise needed for identification.
10. CCTV camera as claimed in claim 6, it is characterized in that, described CCTV camera also comprises alarm unit, and this unit is connected with anomalous identification unit, for output alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410825338.0A CN104539897A (en) | 2014-12-27 | 2014-12-27 | Monitoring camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410825338.0A CN104539897A (en) | 2014-12-27 | 2014-12-27 | Monitoring camera |
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| CN104539897A true CN104539897A (en) | 2015-04-22 |
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| CN201410825338.0A Pending CN104539897A (en) | 2014-12-27 | 2014-12-27 | Monitoring camera |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725804A (en) * | 2004-07-21 | 2006-01-25 | 上海高德威智能交通系统有限公司 | Intelligent camera with traffic monitoring special function and intelligent shooting method thereof |
| US20100141763A1 (en) * | 2008-12-04 | 2010-06-10 | Masaya Itoh | Video monitoring system |
| CN103106250A (en) * | 2013-01-14 | 2013-05-15 | 浙江元亨通信技术股份有限公司 | Intelligent analysis and retrieval method for video surveillance and system thereof |
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2014
- 2014-12-27 CN CN201410825338.0A patent/CN104539897A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725804A (en) * | 2004-07-21 | 2006-01-25 | 上海高德威智能交通系统有限公司 | Intelligent camera with traffic monitoring special function and intelligent shooting method thereof |
| US20100141763A1 (en) * | 2008-12-04 | 2010-06-10 | Masaya Itoh | Video monitoring system |
| CN103106250A (en) * | 2013-01-14 | 2013-05-15 | 浙江元亨通信技术股份有限公司 | Intelligent analysis and retrieval method for video surveillance and system thereof |
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Application publication date: 20150422 |