CN101754045B - Method for distinguishing stay-dead picture in monitoring system, monitoring system and device - Google Patents
Method for distinguishing stay-dead picture in monitoring system, monitoring system and device Download PDFInfo
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Abstract
The invention provides a method for distinguishing a stay-dead picture, comprising the following steps: an application server sends information for capturing display image to the client, and the client stores the current image as a first image according to the information for capturing display image; the application server sends the information for changing the captured images to the front-end device, the front-end device changes the captured images according to the information for changing the captured images; the application server sends the information for capturing display image to the client again, the client stores the current image as a second image according to the information for capturing display image, the client compares the first image and the second image, when the first image is identical to the second image, the stay-dead picture is judged to occur. The stay-dead picture in the monitoring system can be effectively distinguished through the invention, thereby increasing the availability and security of the real-time monitoring.
Description
Technical field
The present invention relates to communication technical field, distinguish method, supervisory control system and the device of stay-dead picture in particularly a kind of supervisory control system.
Background technology
Along with the continuous development of electronic information technology and popularizing of network, new and high technologies such as monitoring have been applied to each field of national economy.Particularly along with the popularizing of network, remote control technology has also obtained using widely, as forest fire protection monitoring, traffic administration etc.In video monitoring system is used, need video monitoring system to work incessantly for a long time usually.For example, the most frequently used real-time monitoring business, the user sets up one road monitoring in real time and is played to video wall or client, then monitoring is in real time carried out for a long time in this zone.Yet because a lot of situations are arranged is static relatively zones in the monitoring place, such as parking lot, certain bar road, certain room etc., so camera may play for a long time is a static picture.Like this for the personnel that watch monitored picture, if client terminal playing is a picture that fixes, so the monitor staff just can't to distinguish the image of broadcast be really static, still because the slow-witted dead slow-witted dead image that produces of camera.Yet prior art does not propose a kind of effective picture fool proof mode to address the above problem at present.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, solves the technological deficiency that can't distinguish rest image and slow-witted dead image in the prior art especially.
For achieving the above object, one aspect of the present invention proposes to distinguish in a kind of supervisory control system the method for stay-dead picture, may further comprise the steps: application server sends the message that grasps display image to client and/or decoder, and described client and/or decoder are preserved present image as first image according to the message of described extracting display image; Described application server forward end equipment sends the message that changes photographic images, and described headend equipment is according to the message alteration photographic images of described change photographic images; Described application server sends the message that grasps display image to described client and/or decoder once more, described client and/or decoder are preserved present image as second image according to the message of described extracting display image, described client and/or decoder compare described first image and described second image, judge stay-dead picture to occur when described first image is identical with described second image.
As one embodiment of the present of invention, application server sends before the message that grasps display image to client, also comprises: described client sends to described application server and opens the fool proof function command.
As one embodiment of the present of invention, described client and/or decoder to described application server send open the fool proof function command after, also comprise: described application server starts timer, sends the message that grasps display image to client and/or decoder behind described timer expiry.
As one embodiment of the present of invention, described application server forward end equipment sends the message that changes photographic images, headend equipment comprises according to the message alteration photographic images of described change photographic images: the rotation of the described headend equipment The Cloud Terrace of described application server controls, or the described headend equipment of described application server controls changes shading value, contrast or tone.
As one embodiment of the present of invention, after described application server forward end equipment sent the message that changes photographic images, also comprise: described application server judged whether successfully to change the photographic images of described headend equipment; If successfully do not change the photographic images of described headend equipment, judge that then described headend equipment lost efficacy; If successfully change the photographic images of described headend equipment, then described application server sends the message that grasps display image to described client and/or decoder once more.
As one embodiment of the present of invention, send the message that grasps display image to described client and/or decoder once more at described application server, described client and/or decoder are preserved present image as second image according to the message of described extracting display image, described client and/or decoder compare described first image and described second image, after stay-dead picture appears in judgement when described first image is identical with described second image, also comprise: described application server sends to described headend equipment and recovers message, and described headend equipment arrives reset condition according to described recovery message recovery.
The present invention also proposes a kind of supervisory control system, comprise application server, client and/or decoder and headend equipment, described application server, be used for the message that forward end equipment send to change photographic images, and send before the message that changes photographic images at forward end equipment and send the message that grasps display image to client and/or decoder respectively afterwards; Described client and/or decoder, be used for respectively preserving present image as first image and second image according to the message of the extracting display image of described application server, and described first image and described second image compared, when described first image is identical with described second image, judge stay-dead picture to occur; Described headend equipment is used for the message alteration photographic images according to the change photographic images of described application server transmission.
As one embodiment of the present of invention, described client also is used for sending unlatching fool proof function command to described application server.
As one embodiment of the present of invention, the message of described change photographic images comprises: the message of the message of rotary platform or change shading value, contrast or tone.
As one embodiment of the present of invention, described application server also is used to judge whether successfully to change the photographic images of described headend equipment, if successfully do not change the photographic images of described headend equipment, judges that then described headend equipment lost efficacy.
As one embodiment of the present of invention, described application server also is used for sending recovery message to described headend equipment, and described headend equipment arrives reset condition according to described recovery message recovery.
The present invention also proposes a kind of application server, comprise and grasp message transmission module and headend equipment control module, described extracting message transmission module, be used for before described headend equipment control module forward end equipment sends the message that changes photographic images and send the message that grasps display image to client and/or decoder respectively afterwards, client and/or decoder are preserved present image as first image and second image according to the message that grasps display image respectively, and described first image and described second image compared, when described first image is identical with described second image, judge stay-dead picture to occur; Described headend equipment control module is used for sending the message that changes photographic images to described headend equipment, and described headend equipment is according to the message alteration photographic images of described change photographic images.
As one embodiment of the present of invention, also comprise receiver module and time block, described receiver module is used to receive the unlatching fool proof function command that described client sends; Described time block, the unlatching fool proof function command that is used for receiving according to described receiver module starts timer, and notifies described extracting message transmission module to send the message that grasps display image for the first time to described headend equipment behind described timer expiry.
As one embodiment of the present of invention, also comprise the recovery module, be used for sending recovery message to described headend equipment, described headend equipment arrives reset condition according to described recovery message recovery.
The present invention also proposes a kind of client, comprise grasp the message sink module, image is preserved module and comparison module, described extracting message sink module is used to receive the message of the extracting display image that application server sends; Described image is preserved module, is used for preserving present image to obtain corresponding first image and second image according to the message of described extracting display image; Described comparison module is used for described first image and described second image are compared, and judges stay-dead picture to occur when described first image is identical with described second image.
As one embodiment of the present of invention, also comprise fool proof function command sending module, be used for sending unlatching fool proof function command to described application server.
The present invention also proposes a kind of decoder, comprise grasp the message sink module, image is preserved module and comparison module, described extracting message sink module is used to receive the message of the extracting display image that application server sends; Described image is preserved module, is used for preserving present image to obtain corresponding first image and second image according to the message of described extracting display image; Described comparison module is used for described first image and described second image are compared, and judges stay-dead picture to occur when described first image is identical with described second image.
Stay-dead picture in the supervisory control system be can effectively distinguish by the present invention, thereby the availability and the fail safe of monitoring in real time improved.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is a kind of schematic diagram of supervisory control system framework;
Fig. 2 is the schematic diagram of another kind of supervisory control system framework;
Fig. 3 is a method flow diagram of distinguishing stay-dead picture in the embodiment of the invention supervisory control system;
Fig. 4 is the schematic diagram of method of the differentiation stay-dead picture of the embodiment of the invention;
Fig. 5 is the supervisory control system structure chart of the embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
The present invention mainly is the control by application server, making client can grasp headend equipment respectively changes before the photographic images and image afterwards, thereby and compare and can effectively distinguish stay-dead picture in the supervisory control system, improved the availability and the fail safe of real-time monitoring.
According to the difference of application scenarios, may have the framework of multiple systems, yet the present invention can use all in these supervisory control system frameworks.For the ease of understanding, below look with regard to simple example before several supervisory control system frameworks commonly used, need to prove that this only is in order clearly to set forth the present invention, be not limitation of the present invention.As shown in Figure 1, be a kind of schematic diagram of supervisory control system framework, as scheme that the monitor staff monitors by client in this supervisory control system.As shown in Figure 2,,, not only comprise client,, perhaps, also can only comprise decoder and monitor in order to monitor convenient decoder and the monitor (as video wall etc.) of also comprising with respect to Fig. 1 for the schematic diagram of another kind of supervisory control system framework.
As shown in Figure 3, for distinguishing the method flow diagram of stay-dead picture in the embodiment of the invention supervisory control system, this embodiment is that example is described with supervisory control system framework shown in Figure 2, and the framework of other supervisory control systems can not repeat them here with reference to present embodiment.This embodiment may further comprise the steps:
Step S301, client sends to application server and opens the fool proof function command.
Step S302, application server starts timer according to this fool proof function command, sends the message that grasps display image to client and decoder behind timer expiry.
Step S303, client and decoder are preserved the image of current demonstration as first image (contrast baseline image) according to the message that grasps display image.
Step S304, application server forward end equipment (as video camera etc.) sends the message that changes photographic images.As one embodiment of the present of invention, the rotation of application server may command headend equipment The Cloud Terrace is perhaps controlled headend equipment and is changed shading value, contrast or tone etc.
Step S305, application server judge whether successfully to change the photographic images of headend equipment, if successfully do not change the photographic images of described headend equipment, judge that then headend equipment lost efficacy, and to the client alarm, this headend equipment of notice client lost efficacy.
Step S306, if successfully change the photographic images of headend equipment, then application server sends the message that grasps display image to client and decoder once more.
Step S307, client and decoder are preserved the image of current demonstration as second image according to the message of the extracting display image that sends once more.As shown in Figure 4, be the schematic diagram of the method for the differentiation stay-dead picture of the embodiment of the invention.
Step S308, client and decoder compare first image and second image of preserving, and judge stay-dead picture to occur when first image is identical with second image.As one embodiment of the present of invention, client and decoder be two width of cloth pictures relatively, after dry some photographic fixing of shielding rings factor, if two width of cloth pictures are inconsistent, then judge normal; If two width of cloth picture unanimities, it is slow-witted dead to illustrate that then picture has fixed, so client and decoder reporting message give application server, if slow-witted dead, in the client end interface display alarm information, is notified to the user.Can in time understand the video camera situation by user of the present invention, stay and after death in time take measures areput picture occurring.
Step S309, application server forward end equipment send and recover message, and headend equipment is according to recovering message recovery to reset condition.For example application server controls headend equipment The Cloud Terrace rotates in step S304, then The Cloud Terrace is transferred back to original position in this step.
What need explanation once more is, image is to play simultaneously in client and monitor (video wall) in the foregoing description, but this a kind of mode that only to be the present invention realize.If image is not to play on client, but play on monitor, then this message that grasps display image is to be sent to the decoder that links to each other with monitor, and described decoder also grasps first image and second image according to the message of described extracting display image and compares.If same image is to play on client, then message also only sends to client and gets final product.As shown in Figure 5, be the supervisory control system structure chart of the embodiment of the invention, this supervisory control system comprises application server 100, client 200 and at least one headend equipment 300.Application server 100 is used for forward end equipment 300 and sends the message that changes photographic images, and sends the message that grasps display image to client 200 respectively before forward end equipment 300 sends the message that changes photographic images and afterwards.Client 200 is used for respectively preserving present image as first image and second image according to the message of the extracting display image of application server 100, and first image and described second image compared, when first image is identical with described second image, judge stay-dead picture to occur.Headend equipment 300 is used for the message alteration photographic images according to the change photographic images of application server 100 transmissions.Need to prove that the function of above-mentioned client 200 also can realize in decoder 400, so decoder 400 also can play the effect identical with above-mentioned client 200, also should be included within protection scope of the present invention.Different is that as one embodiment of the present of invention, client 200 also is used for sending unlatching fool proof function command to application server 100.
As one embodiment of the present of invention, also can comprise monitor 500, and the decoder 400 that links to each other with application server 100 with monitor 500.Application server 100 also is used for also sending the message that grasps display image to decoder 400 when client 200 sends the message that grasps display image; The message that decoder 400 is used for the extracting display image that sends according to application server 100 grasps first image and second image and compares.
As one embodiment of the present of invention, the message of above-mentioned change photographic images can be the message of rotary platform or the message of change shading value, contrast or tone etc.
As one embodiment of the present of invention, application server 100 also is used to judge whether successfully to change the photographic images of headend equipment 300, if successfully do not change the photographic images of headend equipment 300, judges that then headend equipment 300 lost efficacy.
As one embodiment of the present of invention, application server 100 also is used for sending recovery message to 300 headend equipments, and headend equipment 300 recovers message recovery to reset condition according to this.
Wherein, application server 100 comprises extracting message transmission module 110 and headend equipment control module 120.Extracting message transmission module 110 is used for before headend equipment control module 120 forward end equipment 300 send the message that changes photographic images and sends the message that grasps display images to client 200 and/or decoder 400 respectively afterwards, client 300 and/or decoder 400 are preserved present image as first image and second image according to the message that grasps display image respectively, and first image and second image compared, when first image is identical with second image, judge stay-dead picture to occur.Headend equipment control module 120 is used for forward end equipment 300 and sends the message that changes photographic images, and headend equipment 300 is according to the message alteration photographic images that changes photographic images.
As one embodiment of the present of invention, application server 100 also comprises receiver module 130 and time block 140.Receiver module 130 is used to receive the unlatching fool proof function command that client sends.Time block 140 is used for starting timer according to the unlatching fool proof function command that receiver module 130 receives, and notice extracting message transmission module 110 forward end equipment 300 send the message that grasps display image for the first time behind timer expiry.
As one embodiment of the present of invention, application server 100 also comprises recovery module 150, is used for forward end equipment 300 and sends the recovery message, and headend equipment 300 is according to recovering message recovery to reset condition.
Wherein, client 200 comprises extracting message sink module 210, image preservation module 220 and comparison module 230.Grasp the message that message sink module 210 is used to receive the extracting display image that application server 100 sends.Image is preserved module 220 and is used for preserving present image to obtain corresponding first image and second image according to the message that grasps display image.Comparison module 230 is used for first image and second image are compared, and judges stay-dead picture to occur when first image is identical with second image.
As one embodiment of the present of invention, client 200 also comprises fool proof function command sending module 240, is used for sending unlatching fool proof function command to application server 100.
Wherein decoder 400 basic with above-mentioned client 200 similar, but do not have fool proof function command sending module, do not repeat them here.
Stay-dead picture in the supervisory control system be can effectively distinguish by the present invention, thereby the availability and the fail safe of monitoring in real time improved.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (11)
1. distinguish the method for stay-dead picture in the supervisory control system, it is characterized in that, may further comprise the steps:
Application server sends the message that grasps display image to client and/or decoder, and described client and/or decoder are preserved present image as first image according to the message of described extracting display image;
Described application server forward end equipment sends the message that changes photographic images, and described headend equipment is according to the message alteration photographic images of described change photographic images;
Described application server sends the message that grasps display image to described client and/or decoder once more, described client and/or decoder are preserved present image as second image according to the message of described extracting display image, described client and/or decoder compare described first image and described second image, judge stay-dead picture to occur when described first image is identical with described second image.
2. distinguish the method for stay-dead picture in the supervisory control system as claimed in claim 1, it is characterized in that, application server sends before the message that grasps display image to client, also comprises:
Described client sends to described application server and opens the fool proof function command.
3. distinguish the method for stay-dead picture in the supervisory control system as claimed in claim 2, it is characterized in that, after described application server sends unlatching fool proof function command, also comprise in described client:
Described application server starts timer, sends the message that grasps display image to client and/or decoder behind described timer expiry.
4. distinguish the method for stay-dead picture in the supervisory control system as claimed in claim 1, it is characterized in that, described application server forward end equipment sends the message that changes photographic images, and headend equipment comprises according to the message alteration photographic images of described change photographic images:
The rotation of the described headend equipment The Cloud Terrace of described application server controls,
Or the described headend equipment of described application server controls changes shading value, contrast or tone.
5. distinguish the method for stay-dead picture in the supervisory control system as claimed in claim 4, it is characterized in that, after described application server forward end equipment sends the message that changes photographic images, also comprise:
Described application server judges whether successfully to change the photographic images of described headend equipment;
If successfully do not change the photographic images of described headend equipment, judge that then described headend equipment lost efficacy;
If successfully change the photographic images of described headend equipment, then described application server sends the message that grasps display image to described client and/or decoder once more.
6. distinguish the method for stay-dead picture in the supervisory control system as claimed in claim 1, it is characterized in that, send the message that grasps display image to described client and/or decoder once more at described application server, described client and/or decoder are preserved present image as second image according to the message of described extracting display image, described client and/or decoder compare described first image and described second image, after stay-dead picture appears in judgement when described first image is identical with described second image, also comprise:
Described application server sends to described headend equipment and recovers message, and described headend equipment arrives reset condition according to described recovery message recovery.
7. a supervisory control system is characterized in that, comprises application server, client and/or decoder and headend equipment,
Described application server is used for the message that forward end equipment send to change photographic images, and sends before the message that changes photographic images at forward end equipment and send the message that grasps display image to client and/or decoder respectively afterwards;
Described client and/or decoder, be used for respectively preserving present image as first image and second image according to the message of the extracting display image of described application server, and described first image and described second image compared, when described first image is identical with described second image, judge stay-dead picture to occur;
Described headend equipment is used for the message alteration photographic images according to the change photographic images of described application server transmission.
8. supervisory control system as claimed in claim 7 is characterized in that, described client also is used for sending unlatching fool proof function command to described application server.
9. supervisory control system as claimed in claim 7 is characterized in that, the message of described change photographic images comprises: the message of the message of rotary platform or change shading value, contrast or tone.
10. supervisory control system as claimed in claim 7, it is characterized in that described application server also is used to judge whether successfully to change the photographic images of described headend equipment, if successfully do not change the photographic images of described headend equipment, judge that then described headend equipment lost efficacy.
11. supervisory control system as claimed in claim 7 is characterized in that, described application server also is used for sending recovery message to described headend equipment, and described headend equipment arrives reset condition according to described recovery message recovery.
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| CN 200810239269 CN101754045B (en) | 2008-12-08 | 2008-12-08 | Method for distinguishing stay-dead picture in monitoring system, monitoring system and device |
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| CN103581630A (en) * | 2013-11-15 | 2014-02-12 | 东华大学 | Remote video monitoring device and method based on DSP and FPGA |
| DE102017207792A1 (en) * | 2017-05-09 | 2018-11-15 | Continental Automotive Gmbh | Apparatus and method for checking a reproduction of a video sequence of a mirror-replacement camera |
| CN110135445A (en) * | 2018-02-02 | 2019-08-16 | 兴业数字金融服务（上海）股份有限公司 | Method and apparatus for monitoring the state of application |
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| JP2003015844A (en) * | 2001-07-04 | 2003-01-17 | Canon Inc | Information processor, its control method, program and storage medium |
| JP4578249B2 (en) * | 2005-01-13 | 2010-11-10 | 三菱電機株式会社 | Video surveillance system |
| JP2006221355A (en) * | 2005-02-09 | 2006-08-24 | Hitachi Ltd | Monitoring device and monitoring system |
| CN101022541A (en) * | 2006-02-13 | 2007-08-22 | 中兴通讯股份有限公司 | Image monitoring system and method under server/customer end constitution |
| JP2008085832A (en) * | 2006-09-28 | 2008-04-10 | Sony Corp | Monitoring camera, control method of monitoring camera, and monitoring camera system |
| CN101119481B (en) * | 2007-08-27 | 2010-04-21 | 刘文萍 | Remote alarm video monitoring method |
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Effective date of registration: 20180115 Address after: 100083, Haidian District, Xueyuan Road, Beijing No. 35, Nanjing Ning building, 15 Floor Co-patentee after: Vimicro Electronics Co., Ltd. Patentee after: Zhongxing Technology Co., Ltd. Address before: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Co-patentee before: Vimicro Electronics Co., Ltd. Patentee before: Beijing Vimicro Corporation |
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Address after: 100083, Haidian District, Xueyuan Road, Beijing No. 35, Nanjing Ning building, 15 Floor Co-patentee after: Vimicro Electronics Co., Ltd. Patentee after: Mid Star Technology Limited by Share Ltd Address before: 100083, Haidian District, Xueyuan Road, Beijing No. 35, Nanjing Ning building, 15 Floor Co-patentee before: Vimicro Electronics Co., Ltd. Patentee before: Zhongxing Technology Co., Ltd. |