CN102413321A - Automatic image-recording system and method - Google Patents
Automatic image-recording system and method Download PDFInfo
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- CN102413321A CN102413321A CN2011104423675A CN201110442367A CN102413321A CN 102413321 A CN102413321 A CN 102413321A CN 2011104423675 A CN2011104423675 A CN 2011104423675A CN 201110442367 A CN201110442367 A CN 201110442367A CN 102413321 A CN102413321 A CN 102413321A
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Abstract
The embodiment of the invention provides an automatic image-recording system and method. The system comprises a camera, an image analysis unit and an image-recording device, wherein the camera is used for capturing the image of a region to be monitored in real time; the image analysis unit is used for acquiring the image captured by the camera and analyzing and detecting the image in accordance with a preset alarm event detection model, and the image-recording device is triggered to carry out image recording when the detection result shows that the captured image conforms to the alarm event detection model; and the image-recording device is used for starting to record the image (the region to be monitored) captured by the camera after receiving a triggering signal of the image analysis unit. The automatic image-recording system and method provided by the embodiment of the invention can realize automatic image recording in case of an alarm event, thereby omitting the operation of manually starting image recording, ensuring that the recorded videos are all related to the alarm event and facilitating the quick positioning in the later stage.
Description
Technical field
The invention belongs to technical field of video monitoring, relate in particular to a kind of automatic record system and method.
Background technology
Multimedia service is used; Especially video monitoring system is very extensive in the utilization of each link such as electrical network production, marketing, scheduling, integrated management, and constituent parts is realized the supervision to production such as circuit, equipment and surrounding enviroment in the electric power system and management element through video monitoring system.Video monitoring system is further replenishing " four is distant " (remote measurement, remote signalling, remote control, remote regulating) function.Wherein, the safety of transformer station, power transmission and transformation line or equipment and the ruuning situation of equipment can kept watch on and write down to " remote viewing ", and the relevant image document of ex-post analysis accident is provided.
But the video monitoring system of the prior art manually opened recording functions of behaving, and before the manual closing function of people, video recording system is worked always and is recorded a video more.This just makes that no matter whether critical event takes place video recording system all in work, has taken unnecessary video storage space.And it is very huge when adopting the video data that video recording of the prior art technology obtains; If the analyst wants to locate certain one piece of data; Need played in order and search, workload is very huge, and misses crucial video-frequency band because of people's carelessness easily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of system and method for automatic video recording, can realize opening automatically video recording, save operating personnel's workload and the data volume of the data that reduce to record a video.
For realizing above-mentioned purpose, one embodiment of the present of invention provide a kind of system of automatic video recording, comprising:
Camera is used for the image of captured in real time area to be monitored;
Image analyzing unit; Be used to obtain the image that camera is caught; And said image is carried out analyzing and testing according to predefined alarm event detection model, when detecting the detection model that said image of catching meets alarm event, then trigger video recording equipment and record a video;
Video recording equipment is used for after receiving the triggering signal of image analyzing unit, and the image of the area to be monitored that begins camera is caught is recorded a video.
On the other hand, the embodiment of the invention also provides a kind of method of automatic video recording, comprising:
Image through camera captured in real time area to be monitored;
According to predefined alarm event detection model said image is analyzed; And said image is carried out analyzing and testing according to predefined alarm event detection model; When detecting the detection model that said image of catching meets alarm event, then trigger the image of the area to be monitored that video recording equipment begins camera is caught and record a video.
Automatic record system that the embodiment of the invention provides and method can be recorded a video when alarm event takes place automatically, not only can save artificial action of opening video recording, but also make that the video under the record is all relevant with alarm event, make things convenient for the later stage to locate fast.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sketch map of the system of a kind of automatic video recording provided by the invention;
Fig. 2 is the sketch map of the method for a kind of automatic video recording provided by the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The present invention provides a kind of system of automatic video recording, and is as shown in Figure 1, and this system comprises: camera 101, image analyzing unit 102 and video recording equipment 103.
Wherein, camera 101 is used for the image of captured in real time area to be monitored.
Below specify the various concrete scheme of the alarm event detection model among the present invention.
In a kind of preferred scheme; The alarm event detection model comprises the mobile detection model; This moment, image analyzing unit 102 can comprise the mobile detection detection sub-module, and this mobile detection detection sub-module is used to utilize the mobile detection model, and whether the object in the front and back two field picture that the detection camera is caught has shift action; If have, then trigger video recording equipment 103 and record a video.
After being moved, object in detecting image can also further set different mobile detection decision level according to the size of moving area and the severe of movement of objects; After promptly having only mobile acquiring a certain degree, just can trigger video recording equipment 103 and begin video recording.
In a kind of preferred scheme, the alarm event detection model comprises camera occlusion detection model.This moment, image analyzing unit 102 can comprise camera occlusion detection submodule; Be used to utilize camera occlusion detection model; The pixel number that detects the zone that whether has area to surpass threshold value in the image that camera catches is identical or close, if having, then triggers video recording equipment 103 and records a video.
The basic principle of frame-to-frame differences point-score is: if variation has taken place in destination object position in different frame in video sequence, then its gray value also can change thereupon on corresponding different frame relative position; And the position that destination object does not change, its gray value also can change thereupon.The interframe method of checking the mark is done difference processing to adjacent two frames or a few two field picture in the video sequence just, and passing threshold obtains the zone of motion change, detects and extract destination object at last.
The goal discrepancy point-score is to carry out difference with the current frame image that comprises target image in background image that does not comprise destination object and the video sequence, thereby highlights destination object, and finally through post-processing detection and extract destination object.
The alarm event detection model can also comprise the invasion detection model.This moment, image analyzing unit 102 can comprise the invasion detection sub-module; Be used to utilize the intrusion detection module; Behind front and back two two field pictures that the intercepting camera is caught, carry out the gray scale binary conversion treatment, deposit in the array after subtracting each other; And compare with threshold value, then trigger video recording equipment 103 during greater than threshold value and record a video.
In addition, image analyzing unit 102 can comprise disconnecting link opening and closing warning submodule, is used for earlier disconnecting link branch, the video data that closes are sampled and self study; When follow-up real-time detection, data of gathering and a little video data of the study of Confucian classics are compared and carry out difference and calculate, when when wherein some state values are identical or close; Promptly be judged to be the corresponding state of this state value; When this state and normal condition not simultaneously, promptly report to the police, and trigger video recording equipment 103 and begin video recording.
In addition; In order to improve user's participation; Automatic record system in the embodiment of the invention can also comprise the manual triggers module, this manual triggers module be used for receive the user manually input begin the video recording instruction after, send to video recording equipment 103 and to trigger its signals that begin to record a video.
The user can also adopt policy control video recording equipment 103 regularly to record a video in addition, also comprises regularly trigger module this moment in the automatic record system.The user can set regularly the parameter in the trigger module, comprises preset time.After regularly trigger module is started working, detect whether arrive the preset time that the user sets, if then, then send triggering signal, so that video recording equipment 103 begins video recording to video recording equipment 103.
The also corresponding method that a kind of automatic video recording is provided of the embodiment of the invention, as shown in Figure 2, this method comprises:
Step S201: through the image of camera captured in real time area to be monitored;
Step S202: according to predefined alarm event detection model; Image is analyzed; And image is carried out analyzing and testing according to predefined alarm event detection model; When detecting the detection model that the image of catching meets alarm event, then trigger the image in the zone to be detected that video recording equipment begins camera is caught and record a video.
Preferably, the alarm event detection model can comprise the mobile detection model.Carry out analyzing and testing according to predefined alarm event detection model to said image can comprise this moment: whether the object that utilizes the mobile detection model to detect in the front and back two field picture that camera catches has shift action, if having, then triggers and records a video
Preferably, the alarm event detection model can comprise camera occlusion detection model; According to predefined alarm event detection model image being carried out analyzing and testing can comprise: utilize camera occlusion detection model; The pixel number that detects the zone that whether has area to surpass threshold value in the image that camera catches is identical or close; If have, then trigger video recording equipment and record a video.
In addition, the method that the embodiment of the invention provides can also comprise the steps: to send triggering signal when detecting when reaching preset time to video recording equipment, so that this video recording equipment begins video recording.
This shows; Automatic record system that the embodiment of the invention provides and method can be recorded a video when alarm event takes place automatically; Not only can save artificial action of opening video recording, but also make that the video under the record is all relevant with alarm event, make things convenient for the later stage to locate fast.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. the system of an automatic video recording is characterized in that, comprising:
Camera is used for the image of captured in real time area to be monitored;
Image analyzing unit; Be used to obtain the image that camera is caught; And said image is carried out analyzing and testing according to predefined alarm event detection model, when detecting the detection model that said image of catching meets alarm event, then trigger video recording equipment and record a video;
Video recording equipment is used for after receiving the triggering signal of image analyzing unit, and the image of the area to be monitored that begins camera is caught is recorded a video.
2. system according to claim 1 is characterized in that, said alarm event detection model comprises the mobile detection model;
Said image analyzing unit comprises: the mobile detection detection sub-module, whether the object that is used for utilizing the mobile detection model to detect the front and back two field picture that camera catches has shift action, if having, then triggers video recording equipment and records a video.
3. system according to claim 1 is characterized in that, said alarm event detection model comprises camera occlusion detection model;
Said image analyzing unit comprises: camera occlusion detection submodule; Be used to utilize camera occlusion detection model; The pixel number that detects the zone that whether has area to surpass threshold value in the image that camera catches is identical or close, if having, then triggers video recording equipment and records a video.
4. system according to claim 1 is characterized in that, said alarm event detection model comprises the invasion detection model;
Said image analyzing unit comprises: the intrusion detection detection sub-module; Be used to utilize said intrusion detection model; Carry out the gray scale binary conversion treatment behind front and back two two field pictures that the intercepting camera is caught; Deposit in the array after subtracting each other, and compare, then trigger video recording equipment during greater than threshold value and record a video with threshold value.
5. system according to claim 1 is characterized in that, said system also comprises regularly trigger module, sends triggering signal to video recording equipment when being used to arrive preset time, so that video recording equipment begins video recording.
6. system according to claim 1 is characterized in that said system also comprises the manual triggers module, be used for receive the user manually input begin the video recording instruction after, send triggering signal to video recording equipment, so that video recording equipment begins video recording.
7. the method for an automatic video recording is characterized in that, comprising:
Image through camera captured in real time area to be monitored;
According to predefined alarm event detection model said image is analyzed; And said image is carried out analyzing and testing according to predefined alarm event detection model; When detecting the detection model that said image of catching meets alarm event, then trigger the image of the area to be monitored that video recording equipment begins camera is caught and record a video.
8. method according to claim 7 is characterized in that, said alarm event detection model comprises the mobile detection model;
Saidly according to predefined alarm event detection model said image is carried out analyzing and testing and comprise: whether the object that utilizes the mobile detection model to detect in the front and back two field picture that camera catches has shift action, if having, then triggers and records a video.
9. method according to claim 7 is characterized in that, said alarm event detection model comprises camera occlusion detection model;
Saidly according to predefined alarm event detection model said image is carried out analyzing and testing and comprise: utilize camera occlusion detection model; The pixel number that detects the zone that whether has area to surpass threshold value in the image that camera catches is identical or close; If have, then trigger video recording equipment and record a video.
10. method according to claim 7 is characterized in that, this method also comprises: when detecting when reaching preset time, send triggering signal to video recording equipment, so that this video recording equipment begins video recording.
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| CN2011104423675A CN102413321A (en) | 2011-12-26 | 2011-12-26 | Automatic image-recording system and method |
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| CN2011104423675A CN102413321A (en) | 2011-12-26 | 2011-12-26 | Automatic image-recording system and method |
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| CN103945098A (en) * | 2014-03-20 | 2014-07-23 | 上海华章信息科技有限公司 | Ultrahigh-definition photographing camera with double camera lenses |
| CN105025240A (en) * | 2015-07-15 | 2015-11-04 | 深圳警翼数码科技有限公司 | Law enforcement recorder and control method thereof |
| CN105812734A (en) * | 2016-03-17 | 2016-07-27 | 深圳市哈工大交通电子技术有限公司 | Low power consumption video sensor and control method of the low power consumption video sensor |
| CN107454359A (en) * | 2017-07-28 | 2017-12-08 | 北京小米移动软件有限公司 | Play the method and device of video |
| CN108520611A (en) * | 2018-04-12 | 2018-09-11 | 上海小蚁科技有限公司 | Video data monitoring method and device, storage medium, terminal |
| CN109409315A (en) * | 2018-11-07 | 2019-03-01 | 浩云科技股份有限公司 | A kind of ATM machine panel zone remnant object detection method and system |
| CN112255536A (en) * | 2020-09-21 | 2021-01-22 | 山东产研鲲云人工智能研究院有限公司 | Switch fault detection method and device, electronic equipment and storage medium |
| US11100234B2 (en) * | 2014-06-13 | 2021-08-24 | Hitachi Systems, Ltd. | Work recording apparatus, system, program, and method preventing confidential information leaks |
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| CN103945098A (en) * | 2014-03-20 | 2014-07-23 | 上海华章信息科技有限公司 | Ultrahigh-definition photographing camera with double camera lenses |
| US11100234B2 (en) * | 2014-06-13 | 2021-08-24 | Hitachi Systems, Ltd. | Work recording apparatus, system, program, and method preventing confidential information leaks |
| CN105025240A (en) * | 2015-07-15 | 2015-11-04 | 深圳警翼数码科技有限公司 | Law enforcement recorder and control method thereof |
| CN105812734A (en) * | 2016-03-17 | 2016-07-27 | 深圳市哈工大交通电子技术有限公司 | Low power consumption video sensor and control method of the low power consumption video sensor |
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| CN112255536A (en) * | 2020-09-21 | 2021-01-22 | 山东产研鲲云人工智能研究院有限公司 | Switch fault detection method and device, electronic equipment and storage medium |
| CN112255536B (en) * | 2020-09-21 | 2023-05-26 | 山东产研鲲云人工智能研究院有限公司 | Switch fault detection method and device, electronic equipment and storage medium |
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Effective date of registration: 20121016 Address after: 310007 Huanglong Road, Zhejiang, Hangzhou, No. 8 Applicant after: Zhejiang Electric Power Company Applicant after: State Grid Corporation of China Address before: 310007 Huanglong Road, Zhejiang, Hangzhou, No. 8 Applicant before: Zhejiang Electric Power Company |
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