CN104469305B - The fault detection method and device of power network video monitoring device - Google Patents
The fault detection method and device of power network video monitoring device Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 137
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Abstract
The invention discloses the fault detection methods and device of a kind of power network video monitoring device, wherein, the fault detection method of the power network video monitoring device includes: that detection device obtains the present image as taken by power network video monitoring device, above-mentioned detection device by above-mentioned present image with it is pre-stored, the history image as taken by above-mentioned power network video monitoring device is compared, judge whether above-mentioned present image breaks down according to the comparison result of above-mentioned present image and above-mentioned history image, if above-mentioned present image breaks down, then above-mentioned detection device generates the first warning information and is alerted.The present invention solves the problems, such as to improve the efficiency of fault detection as needing fault detection efficiency brought by artificial browsing video lower in the prior art.
Description
Technical field
The present invention relates to field of video monitoring, in particular to a kind of fault detection side of power network video monitoring device
Method and device.
Background technique
For the unified monitoring, grading control, centralized management for realizing the whole network video resource, meet the video monitoring apparatus overall situation
Change, the demand for development of integration, supporting business device Video Applications demand, unification of the motherland has organized power grid and unified video prison
Control plant construction work.Power grid is completed at present and unifies video monitoring apparatus building-up work, accesses substation, business hall, information
The video monitorings point such as communications equipment room.
The phenomenon to each business support depth deficiency exists in the prior art, according to general arrangement, is needed in conjunction with practical business
It wants, carries out video-unit and improve promotion pilot development and implementation.At present power grid unify video monitoring apparatus realize it is existing to substation
The real time monitoring of field, equipment etc..However mainly found the problem at this stage using artificial monitor mode, it is unknown that there are monitoring objectives
Really, working efficiency is low, workload is huge, response not in time the defects of, cause video surveillance applications that can not play its auxiliary visual
Change the purpose of operation monitoring.Video monitoring can provide effective means for the visualization operation and visual control of power grid, however regard
Be taken in small doses at short intervals business offer rely on equipment of itself it is intact.
Currently to the video monitoring equipment accessed, there are no have to video monitoring equipment fault discovery and management aspect
Effect means, the malfunction elimination of video equipment mainly pass through manually browsing video realization, bring huge workload to operation maintenance personnel,
It wastes a lot of manpower and material resources, and is difficult quick positioning device failure.In other words, it exists in the prior art due to needing people
Work browses the lower problem of fault detection efficiency brought by video.
In response to the above problems, there is presently no effective solution schemes.
Summary of the invention
The main purpose of the present invention is to provide the fault detection methods and device of a kind of power network video monitoring device, solve
Problem as needing fault detection efficiency brought by artificial browsing video lower in the prior art.
According to an aspect of an embodiment of the present invention, a kind of fault detection method of power network video monitoring device is provided,
Comprising: which detection device obtains the present image as taken by power network video monitoring device, the detection device is worked as by described in
Preceding image is compared with the pre-stored, history image as taken by the power network video monitoring device, the detection
Equipment judges whether the present image breaks down according to the comparison result of the present image and the history image, if institute
Present image failure is stated, then the detection device generates the first warning information and alerted.
Further, detection device by the present image and it is pre-stored, by the power network video monitoring device institute
The history image taken be compared include: the detection device obtain in the presumptive area of the present image first draw
The similarity of the second picture in the presumptive area in face and the history image；If the similarity is predetermined less than first
Threshold value, then the detection device, which generates, is used to indicate the comparison result that the present image breaks down.
Further, detection device by the present image and it is pre-stored, by the power network video monitoring device institute
When the history image taken is compared, further includes: the detection device judges whether described present image itself event occurs
Barrier；If described present image itself breaks down, the detection device generates the second warning information and is alerted.
Further, it includes: that the detection device is sentenced that detection device, which judges whether described present image itself breaks down,
Break the present image clarity whether less than the second predetermined threshold；If the clarity is less than second predetermined threshold,
Then the detection device judges that described present image itself breaks down.
Further, it includes: that the detection device is sentenced that detection device, which judges whether described present image itself breaks down,
Whether the region for same color occur in the present image of breaking is greater than third predetermined threshold；If there is phase in the present image
Region with color is greater than the third predetermined threshold, then the detection device judges that event occurs in described present image itself
Barrier.
It is to achieve the goals above, according to an embodiment of the present invention that another aspect provides a kind of monitoring of power network video to set
Standby fault detection means, the fault detection means of power network video monitoring device include: acquiring unit, are regarded for obtaining by power grid
Present image taken by frequency monitoring device, comparing unit, for by the present image and it is pre-stored, by the electricity
History image taken by net video monitoring equipment is compared, the first judging unit, for according to the present image with
The comparison result of the history image judges whether the present image breaks down, the first Alarm Unit, for described the
When one judging unit judges that the present image breaks down, generates the first warning information and alerted.
Further, the comparing unit includes: acquisition module, in the presumptive area for obtaining the present image
The first picture and the history image in the presumptive area in the second picture similarity, generation module, for
When the similarity is less than the first predetermined threshold, generates and be used to indicate the comparison result that the present image breaks down.
Further, the fault detection means of power network video monitoring device is characterized in that, further includes: second judgment unit,
For the comparing unit by the present image and it is pre-stored, as taken by the power network video monitoring device
When history image is compared, judge whether described present image itself breaks down, the second Alarm Unit, for described the
When two judging units judge that described present image itself breaks down, generates the second warning information and alerted.
Further, the second judgment unit includes: first judgment module, for judging the clear of the present image
Whether degree when the clarity be less than second predetermined threshold, judges the present image less than the second predetermined threshold
Itself breaks down.
Further, the second judgment unit includes: the second judgment module, for judging occur in the present image
Whether the region of same color is greater than third predetermined threshold；Occurs the region of same color in the present image greater than described
When third predetermined threshold, judge that described present image itself breaks down.
In an embodiment of the present invention, it judges automatically whether present image breaks down by detection device, solves existing
Have in technology as the problem for needing fault detection efficiency brought by artificial browsing video lower, improves video monitoring equipment
Fault detection efficiency.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of optional network architecture schematic diagram of the fault detection system of the embodiment of the present invention；
Fig. 2 is a kind of optional flow chart of the fault detection method of the power network video monitoring device of the embodiment of the present invention；
Fig. 3 is the optional process of another kind of the fault detection method of the power network video monitoring device of the embodiment of the present invention
Figure；
Fig. 4 is another optional process of the fault detection method of the power network video monitoring device of the embodiment of the present invention
Figure；
Fig. 5 is a kind of optional structure chart of the fault detection means of the power network video monitoring device of the embodiment of the present invention；
Fig. 6 is the optional structure of the another kind of the fault detection means of the power network video monitoring device of the embodiment of the present invention
Figure；
Fig. 7 is another optional structure of the fault detection means of the power network video monitoring device of the embodiment of the present invention
Figure；
Fig. 8 is the historical picture and current picture of the fault detection means of the power network video monitoring device of the embodiment of the present invention
Schematic diagram；And
Fig. 9 is the historical picture and current picture of the fault detection means of the power network video monitoring device of the embodiment of the present invention
Another schematic diagram.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, device, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
Fig. 1 is a kind of optional network architecture schematic diagram of the fault detection system of the embodiment of the present invention, as shown in Figure 1,
The fault detection system of the embodiment of the present invention includes: detection device 10 and power network video monitoring device 20.In the present embodiment, it examines
Measurement equipment 10 can be, but not limited to: server, computer handheld terminal, embedded scm；Power network video monitoring device 20 can
With but be not limited to: camera；Detection device 10 and power network video monitoring device 20 can be attached in the following manner: office
Domain net, Metropolitan Area Network (MAN), wide area network.Above-mentioned detection device 10 and power network video monitoring device 20 can be, but not limited to through optical fiber, nothing
Gauze network connecting communication.
In an embodiment of the present invention, it judges automatically whether present image breaks down by detection device, solves existing
Have in technology as the problem for needing fault detection efficiency brought by artificial browsing video lower, improves video monitoring equipment
Fault detection efficiency.
Embodiment 1
The event of the power network video monitoring device of the embodiment of the present invention is described below in conjunction with fault detection system shown in Fig. 2
Hinder detection method.
This Fig. 2 is a kind of optional process of the fault detection method of the power network video monitoring device of the embodiment of the present invention
Figure, as shown in Fig. 2, the fault detection method of the power network video monitoring device of the embodiment of the present invention includes:
S202: detection device obtains the present image as taken by power network video monitoring device；
Optionally, the power network video monitoring device in the present embodiment can be, but not limited to include: camera, be arranged wait supervise
It controls in place, for example, above-mentioned place to be monitored is the room for placing power equipment；Image transmission, for clapping camera
The image transmitting in the above-mentioned place taken the photograph to be located at distal end video monitor；Video monitor, for receiving and showing camera shooting
The above-mentioned image that head takes.Wherein, above-mentioned image transmission and video monitor can be, but not limited in the following manner
It is attached: local area network, Metropolitan Area Network (MAN), wide area network.Above-mentioned detection device and power network video monitoring device can be, but not limited to pass through
Optical fiber, wireless network connection communication.
Optionally, the detection device in the present embodiment can be, but not limited to for server, desktop computer, laptop,
Tablet computer, smart phone, embedded scm etc..Optionally, the detection device in the present embodiment can be set to and power grid
Video monitoring equipment is integrally formed, that is, power network video monitoring device includes above-mentioned detection device, alternatively, detection device can also be with
It is set as the independent equipment with power network video monitoring device, that is, the outer of power network video monitoring device is arranged in above-mentioned detection device
Portion.
Optionally, the detection device in the present embodiment can be, but not limited to obtain current figure from power network video monitoring device
Picture:
1) present image taken by power network video monitoring device is obtained every predetermined period, wherein above-mentioned pre-
Fixed cycle can be pre-arranged, for example, being set in advance as what acquisition one in every 5 minutes was taken by power network video monitoring device
Present image；
2) conduct is randomly choosed from multiple the continuous present images taken by power network video monitoring device to be used for
The present image of subsequent relatively operation.
Optionally, in the present embodiment, every present image that power network video monitoring device takes can store in electricity
Net video monitoring equipment also can store in the equipment independently of power network video monitoring device, and the present embodiment does not limit this
It is fixed.
S204: above-mentioned detection device by above-mentioned present image and it is pre-stored, by above-mentioned power network video monitoring device institute
The history image taken is compared；
It is alternatively possible to store history image taken by power network video monitoring device, the history image can with but not
Be limited to for power network video monitoring device photographs of past period to history image in one or more, example
Such as, above-mentioned history image can be power network video monitoring device taken, place to be monitored image before one month,
In, the image is for indicating that place to be monitored is in normal condition, that is, for indicating that place to be monitored is not swarmed by people.
Optionally, above-mentioned history image is stored in power network video monitoring device, also can store independently of power network video
In the equipment of monitoring device, the present embodiment is not limited this.
Fig. 8 is the signal of the fault detection historical picture and current picture of the power network video monitoring device of the embodiment of the present invention
Figure.A1 is history image in figure, and B1 is present image, and the object for comparing can be the whole region and image B1 of image A1
Whole region, alternatively, can be the partial zones of regional area (for example, region P1 shown in Fig. 8) and image B1 of image A1
Domain (for example, region P2 shown in Fig. 8).In this way by comparing the partial region of present image and history image, use can be saved
Compare the system resource overhead of operation in execution；Furthermore, it is possible to preset it is above-mentioned for executing the partial region for comparing operation,
So as to be monitored to specific region.
S206: above-mentioned detection device judges above-mentioned current according to the comparison result of above-mentioned present image and above-mentioned history image
Whether image breaks down；
Optionally, whether predetermined threshold is less than come on judging according to the similarity of above-mentioned present image and above-mentioned history image
State whether present image breaks down.
S208: if above-mentioned present image breaks down, above-mentioned detection device generates the first warning information and is alerted.
Optionally, the mode of above-mentioned alarm can be, but not limited to buzzing, vibration, display pop-up, pushed information, and notice arrives
The connection equipment of detection system.
In the above-described embodiments, it judges automatically whether present image breaks down by detection device, solves existing skill
As the problem for needing fault detection efficiency brought by artificial browsing video lower in art, the event of video monitoring equipment is improved
Hinder detection efficiency.
Fig. 3 is the optional flow chart of another kind of the fault detection method of power network video monitoring device of the present invention.Detection is set
It is standby to be compared present image with the pre-stored, history image as taken by above-mentioned power network video monitoring device, have
Body process includes:
S302: above-mentioned detection device obtains the first picture and above-mentioned history image in the presumptive area of above-mentioned present image
In above-mentioned presumptive area in the second picture similarity；
Optionally, presumptive area can be some specific region, present image and history in whole image or image
The similarity of image includes but is not limited to: between the image storage size of present image and the image storage size of history image
Similarity, current figure between similarity, the unit area pixel of present image and the unit area pixel of history image
Similarity between the same area color of picture and the same area color of history image.
By taking image shown in Fig. 8 as an example, Fig. 8 is the fault detection history of the power network video monitoring device of the embodiment of the present invention
The schematic diagram of picture and current picture.A1 is history image in figure, and B1 is present image, and the object for comparing can be image
The whole region of A1 and the whole region of image B1, alternatively, can be the regional area of image A1 (for example, region shown in Fig. 8
) and the regional area of image B1 (for example, region P2 shown in Fig. 8) P1.In this way by comparing present image and history image
Partial region can be saved for executing the system resource overhead for comparing operation；Furthermore, it is possible to preset above-mentioned for executing
Compare the partial region of operation, so as to be monitored to specific region.
S304: if above-mentioned similarity, less than the first predetermined threshold, generation is used to indicate above-mentioned present image and breaks down
Comparison result.
Optionally, the first predetermined threshold of different video monitoring equipments can be different or identical, and such as all videos are supervised
The first predetermined threshold for controlling equipment is all 90%, since the region of video monitoring equipment monitoring is different, such as the current figure in parking lot
As often having vehicle or people to occur, mountain area high-voltage wire pole few people occur, and the priority level in region is different, such as cell gate
Difference of the priority level lower than high-voltage electricity well house or monitoring device itself, the image pixel ratio of some monitoring devices shooting
Higher, than more visible, the first predetermined threshold can also be different picture, such as the first predetermined threshold of the video monitoring equipment at cell gate
Value is 50%, and the first predetermined threshold of high-voltage electricity well house is 95%.Simultaneously similarity can for every present image with it is corresponding
The average value of the similarity between similarity or multiple present images and corresponding history image between history image according to
The decision of the factors such as region, the priority level in region, the monitoring device itself of above-mentioned monitoring, the closed height forbidden into such as personnel
Crisis room can determine whether monitoring image breaks down according to the similarity of every present image, and people's vehicle often flows
Parking lot can determine whether monitoring image breaks down according to the average value of the similarity of multiple present images.According to upper
The algorithm for stating different monitoring environment sets different predetermined threshold and similarity, can enable the system to enough be applied to more more
Complex environment, solves in the prior art that fault detection efficiency is lower to ask as needing brought by artificial browsing video
Topic, improves the efficiency of video monitoring equipment O&M.
By the fault detection method of above-mentioned power network video monitoring device, by comparing history image and present image
The image storage size of the average value of the similarity of the similarity or multiple present images of every present image, unit area picture
Vegetarian refreshments, same area color, solve in the prior art as need fault detection efficiency brought by artificial browsing video compared with
Low problem realizes the failure of automatic detection video monitoring equipment, greatly improves the effect of video monitoring equipment O&M
Rate.
Fig. 4 is another optional process of the fault detection method of the power network video monitoring device of the embodiment of the present invention
Figure；
Detection device by above-mentioned present image with it is pre-stored, go through as taken by above-mentioned power network video monitoring device
When history image is compared, detailed process includes:
S402: above-mentioned detection device judges whether above-mentioned present image itself breaks down；
Optionally, it includes: above-mentioned detection device judgement that detection device, which judges whether above-mentioned present image itself breaks down,
Whether the clarity of above-mentioned present image is less than the second predetermined threshold；If above-mentioned clarity is less than above-mentioned second predetermined threshold,
Judge that above-mentioned present image itself breaks down.
Optionally, the clarity of present image includes but is not limited to: image storage size, unit area pixel.
Optionally, the second predetermined threshold of different video monitoring equipments can be different or identical, and such as all videos are supervised
The second predetermined threshold for controlling equipment is all 90%, and clarity can be the clarity or multiple current figures of every present image
The average value of the clarity of picture.
Optionally, the clarity of present image includes but is not limited to: image storage size, unit area pixel.Such as sentence
Disconnected image storage size 1M is the second predetermined threshold, when the size of the present image of acquisition is less than 1M, determines that present image is
Fault picture, unit area pixel, if the pixel 100 of present image per inch is the second predetermined threshold, when working as acquisition
When the pixel of preceding image per inch is less than 100, determine that present image is fault picture.The second of different video monitoring equipments
Predetermined threshold can be different or identical, and the second predetermined threshold of such as all video monitoring equipments is all 90%, and clarity can be with
For the average value of the clarity of the clarity or multiple present images of every present image.
Optionally, detection device judges whether above-mentioned present image itself breaks down further include: above-mentioned detection device is sentenced
Whether the region for same color occur in above-mentioned present image of breaking is greater than third predetermined threshold；If there is phase in above-mentioned present image
Region with color is greater than above-mentioned third predetermined threshold, then judges that above-mentioned present image itself breaks down.
Optionally, the region for occurring same color in present image can be the specific region of whole image or image,
Color can be all colours that detection device can identify or specific color.
Optionally, the third predetermined threshold of different video monitoring equipments can be different or identical, and such as all videos are supervised
The third predetermined threshold for controlling equipment is all 90%.
Fig. 9 be the power network video monitoring device of the embodiment of the present invention fault detection historical picture and current picture it is another
Kind schematic diagram.A2 is history image in figure, and B2 is present image, judges that the third predetermined threshold that present image is fault picture is
50%, color is black, when the region of black in present image be greater than 50%, judge that present image itself breaks down, obtain
Present image B2 in, since the striped of black is excessive, the region for leading to occur black is greater than 50%, judges that present image is former
Hinder image.
S404: if above-mentioned present image itself breaks down, above-mentioned detection device generates the second warning information and is accused
It is alert.
Optionally, the mode of above-mentioned alarm can be, but not limited to buzzing, vibration, display pop-up, pushed information, and notice arrives
The connection equipment of detection system.
By the fault detection method of above-mentioned power network video monitoring device, pass through every that compares present image current figure
The image storage size of the average value of the clarity of picture or the clarity of multiple present images, unit area pixel, to sentence
Whether disconnected present image itself breaks down, and solves in the prior art as needing failure inspection brought by artificial browsing video
The lower problem of efficiency is surveyed, the failure of automatic detection video monitoring equipment is realized, greatly improves video monitoring equipment
The efficiency of O&M.
Embodiment 2
Fig. 5 is a kind of optional structure chart of the fault detection means of the power network video monitoring device of the embodiment of the present invention.
As shown in figure 5, a kind of fault detection means of power network video monitoring device of the embodiment of the present invention, comprising: obtain
Unit 501, comparing unit 502, the first judging unit 503, the first Alarm Unit 504.
1) acquiring unit 501, for obtaining the present image as taken by power network video monitoring device.
Optionally, the power network video monitoring device in the present embodiment can be, but not limited to include: camera, be arranged wait supervise
It controls in place, for example, above-mentioned place to be monitored is the room for placing power equipment；Image transmission, for clapping camera
The image transmitting in the above-mentioned place taken the photograph to be located at distal end video monitor；Video monitor, for receiving and showing camera shooting
The above-mentioned image that head takes.Wherein, above-mentioned image transmission and video monitor can be, but not limited in the following manner
It is attached: local area network, Metropolitan Area Network (MAN), wide area network.Above-mentioned detection device and power network video monitoring device can be, but not limited to pass through
Optical fiber, wireless network connection communication.
Optionally, the detection device in the present embodiment can be, but not limited to for server, desktop computer, laptop,
Tablet computer, smart phone, embedded scm etc..Optionally, the detection device in the present embodiment can be set to and power grid
Video monitoring equipment is integrally formed, that is, power network video monitoring device includes above-mentioned detection device, alternatively, detection device can also be with
It is set as the independent equipment with power network video monitoring device, that is, the outer of power network video monitoring device is arranged in above-mentioned detection device
Portion.
Optionally, the detection device in the present embodiment can be, but not limited to obtain current figure from power network video monitoring device
Picture:
A present image taken by power network video monitoring device 1-1) is obtained every predetermined period, wherein above-mentioned
Predetermined period can be pre-arranged, and be taken for example, being set in advance as acquisition one in every 5 minutes by power network video monitoring device
Present image；
One 1-2) is randomly choosed from multiple the continuous present images taken by power network video monitoring device as use
In the present image of subsequent relatively operation.
2) comparing unit 502, for by the present image and it is pre-stored, by the power network video monitoring device institute
The history image taken is compared.
It is alternatively possible to store history image taken by power network video monitoring device, the history image can with but not
Be limited to for power network video monitoring device photographs of past period to history image in one or more, example
Such as, above-mentioned history image can be power network video monitoring device taken, place to be monitored image before one month,
In, the image is for indicating that place to be monitored is in normal condition, that is, for indicating that place to be monitored is not swarmed by people.
Optionally, above-mentioned history image is stored in power network video monitoring device, also can store independently of power network video
In the equipment of monitoring device, the present embodiment is not limited this.
3) the first judging unit 503, for judging institute according to the comparison result of the present image and the history image
It states whether present image breaks down, judges whether above-mentioned present image breaks down according to setting condition.
Optionally, whether predetermined threshold is less than come on judging according to the similarity of above-mentioned present image and above-mentioned history image
State whether present image breaks down.
4) the first Alarm Unit 504, for first judging unit judge the present image break down when,
The first warning information is generated to be alerted.
Optionally, the mode of above-mentioned alarm can be, but not limited to buzzing, vibration, display pop-up, pushed information, and notice arrives
The connection equipment of detection system.
In the above-described embodiments, it judges automatically whether present image breaks down by detection device, solves existing skill
As the problem for needing fault detection efficiency brought by artificial browsing video lower in art, the event of video monitoring equipment is improved
Hinder detection efficiency.
Fig. 6 is the optional structure of the another kind of the fault detection means of the power network video monitoring device of the embodiment of the present invention
Figure.As an alternative embodiment of the present invention, comparing unit 502 further include: obtain module 5021, generation module 5022.
1) module 5021, the first picture and the history figure in presumptive area for obtaining the present image are obtained
The similarity of the second picture in the presumptive area as in.Presumptive area can be special for some in whole image or image
The similarity of fixed region, present image and history image includes but is not limited to: image storage size, unit area pixel,
Same area color.
Fig. 8 is the signal of the fault detection historical picture and current picture of the power network video monitoring device of the embodiment of the present invention
Figure.A1 is history image in figure, and B1 is present image, and obtaining the portrait that module obtains can be the similarity of B1 whole image,
Then compare with history image A1 whole image, be also possible to the specific region P2 of B1 image, then with the correspondence of history image
Region P1 compares.In this way by comparing certain part specific region of present image, that is, the data spending of system is saved, it can also be with
Important equipment in key monitoring video monitoring regional.
2) generation module 5022, for when the similarity is less than the first predetermined threshold, generation to be used to indicate described work as
The comparison result that preceding image breaks down.
Optionally, the first predetermined threshold of different video monitoring equipments can be different or identical, and such as all videos are supervised
The first predetermined threshold for controlling equipment is all 90%, since the region of video monitoring equipment monitoring is different, such as the current figure in parking lot
As often having vehicle or people to occur, mountain area high-voltage wire pole few people occur, and the priority level in region is different, such as cell gate
Difference of the priority level lower than high-voltage electricity well house or monitoring device itself, the image pixel ratio of some monitoring devices shooting
Higher, than more visible, the first predetermined threshold can also be different picture, such as the first predetermined threshold of the video monitoring equipment at cell gate
Value is 50%, and the first predetermined threshold of high-voltage electricity well house is 95%.Simultaneously similarity can for every present image with it is corresponding
The average value of the similarity between similarity or multiple present images and corresponding history image between history image according to
The decision of the factors such as region, the priority level in region, the monitoring device itself of above-mentioned monitoring, the closed height forbidden into such as personnel
Crisis room can determine whether monitoring image breaks down according to the similarity of every present image, and people's vehicle often flows
Parking lot can determine whether monitoring image breaks down according to the average value of the similarity of multiple present images.According to upper
The algorithm for stating different monitoring environment sets different predetermined threshold and similarity, can enable the system to enough be applied to more more
Complex environment, solves in the prior art that fault detection efficiency is lower to ask as needing brought by artificial browsing video
Topic, improves the efficiency of video monitoring equipment O&M.
Fig. 7 is another optional structure of the fault detection means of the power network video monitoring device of the embodiment of the present invention
Figure.As another optional embodiment of the invention, as shown in fig. 7, the fault detection means of power network video monitoring device is also wrapped
It includes: second judgment unit 505, the second Alarm Unit 506.Second judgment unit 505 further include: first judgment module 5051,
One judgment module 5052.
1) second judgment unit 505, for the comparing unit by the present image with it is pre-stored, by described
When history image taken by power network video monitoring device is compared, judge whether described present image itself event occurs
Barrier.
1-1) first judgment module 5051, for judging the clarity of the present image whether less than the second predetermined threshold
Value judges that described present image itself breaks down when the clarity is less than second predetermined threshold.
Optionally, the clarity of present image includes but is not limited to: image storage size, unit area pixel.Such as sentence
Disconnected image storage size 1M is the second predetermined threshold, when the size of the present image of acquisition is less than 1M, determines that present image is
Fault picture, unit area pixel, if the pixel 100 of present image per inch is the second predetermined threshold, when working as acquisition
When the pixel of preceding image per inch is less than 100, determine that present image is fault picture.The second of different video monitoring equipments
Predetermined threshold can be different or identical, and the second predetermined threshold of such as all video monitoring equipments is all 90%, and clarity can be with
For the average value of the clarity of the clarity or multiple present images of every present image.
1-2) the second judgment module 5052, for judging whether the region for occurring same color in the present image is greater than
Third predetermined threshold；When the region for occurring same color in the present image is greater than the third predetermined threshold, judge
Described present image itself breaks down.
Optionally, the region for occurring same color in present image can be the specific region of whole image or image,
Color can be all colours that detection device can identify or specific color, such as red, black, white.Different views
The third predetermined threshold of frequency monitoring device can be different or identical, and the third predetermined threshold of such as all video monitoring equipments is all
90%, clarity can be the average value of the clarity of every present image or the clarity of multiple present images.
Fig. 9 be the power network video monitoring device of the embodiment of the present invention fault detection historical picture and current picture it is another
Kind schematic diagram.A2 is history image in figure, and B2 is present image, judges that the third predetermined threshold that present image is fault picture is
50%, color is black, when the region of black in present image be greater than 50%, judge that present image itself breaks down, obtain
Present image B2 in, since the striped of black is excessive, the region for leading to occur black is greater than 50%, judges that present image is former
Hinder image.
2) the second Alarm Unit 506, for judging that event occurs in described present image itself in the second judgment unit
When barrier, generates the second warning information and alerted.
Optionally, detection device generates warning information, and above-mentioned alarm mode can be, but not limited to are as follows: buzzing, vibration, display
Device pop-up, pushed information.When monitoring device monitor video monitoring equipment break down when, at the first time generate warning information with
It notifies field operation or operation maintenance personnel, is used as counter-measure in time, be reduced to loss minimum, warning information can be by outer
Audio frequency apparatus being connect by buzzing, the mode of vibration broadcasts notice to all those present persons, at night or noise monitoring region,
It can notify to obtain to operator on duty and be sent to responsible person concerned by PUSH message, so as to make as early as possible by display pop-up
For counter-measure, working efficiency is improved.
By the fault detection method of above-mentioned power network video monitoring device, pass through every that compares present image current figure
The image storage size of the average value of the clarity of picture or the clarity of multiple present images, unit area pixel, to sentence
Whether disconnected present image itself breaks down, and solves in the prior art as needing failure inspection brought by artificial browsing video
The lower problem of efficiency is surveyed, the efficiency of video monitoring equipment O&M is improved.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, mobile terminal, server or network equipment etc.) executes side described in each embodiment of the present invention
The all or part of the steps of method.And storage medium above-mentioned include: USB flash disk, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. are various to be can store
The medium of program code.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of fault detection method of power network video monitoring device characterized by comprising
Detection device obtains the present image as taken by power network video monitoring device, wherein the detection device is every pre-
Fixed cycle obtains a present image taken by power network video monitoring device, shoots from by power network video monitoring device
To multiple continuous present images in random selection one be used as present image；
The detection device by the present image with it is pre-stored, go through as taken by the power network video monitoring device
History image is compared；
Whether the detection device judges the present image according to the comparison result of the present image and the history image
It breaks down；
If the present image breaks down, the detection device generates the first warning information and is alerted,
Wherein, the detection device by the present image and it is pre-stored, as captured by the power network video monitoring device
To history image be compared include: the first picture in presumptive area that the detection device obtains the present image and
The similarity of the second picture in the presumptive area in the history image；If the similarity is less than the first predetermined threshold
Value, then the detection device, which generates, is used to indicate the comparison result that the present image breaks down,
Wherein, first predetermined threshold is determined according at least one following: the region of monitoring, the priority level in region, prison
Equipment itself is controlled,
Wherein, the similarity includes at least: the image storage size of present image and the image storage size of history image it
Between similarity, the similarity between the unit area pixel of present image and the unit area pixel of history image, when
Similarity between the same area color of preceding image and the same area color of history image.
2. the method according to claim 1, wherein the detection device by the present image be stored in advance
, the history image as taken by the power network video monitoring device is when being compared, further includes:
The detection device judges whether described present image itself breaks down；
If described present image itself breaks down, the detection device generates the second warning information and is alerted.
3. according to the method described in claim 2, it is characterized in that, whether the detection device judges described present image itself
Failure includes:
Whether the detection device judges the clarity of the present image less than the second predetermined threshold；
If the clarity is less than second predetermined threshold, the detection device judges that described present image itself occurs
Failure.
4. according to the method described in claim 2, it is characterized in that, whether the detection device judges described present image itself
Failure includes:
The detection device judges whether the region for occurring same color in the present image is greater than third predetermined threshold；
If the region for occurring same color in the present image is greater than the third predetermined threshold, the detection device judgement
Described present image itself breaks down out.
5. a kind of fault detection means of power network video monitoring device characterized by comprising
Acquiring unit, for obtaining the present image as taken by power network video monitoring device by detection device, wherein institute
It states detection device and obtains a present image taken by power network video monitoring device every predetermined period, from by power grid
One is randomly choosed in multiple continuous present images that video monitoring equipment takes is used as present image；
Comparing unit, for by the present image and it is pre-stored, as taken by the power network video monitoring device
History image is compared；
First judging unit, for judging the present image according to the comparison result of the present image and the history image
Whether break down；
First Alarm Unit, for generating first when first judging unit judges that the present image breaks down
Warning information is alerted,
Wherein, the comparing unit includes: acquisition module, the first picture in presumptive area for obtaining the present image
With the similarity of the second picture in the presumptive area in the history image；Generation module, in the similarity
When less than the first predetermined threshold, generates and is used to indicate the comparison result that the present image breaks down,
Wherein, first predetermined threshold is determined according at least one following: the region of monitoring, the priority level in region, prison
Equipment itself is controlled,
Wherein, the similarity includes at least: the image storage size of present image and the image storage size of history image it
Between similarity, the similarity between the unit area pixel of present image and the unit area pixel of history image, when
Similarity between the same area color of preceding image and the same area color of history image.
6. device according to claim 5, which is characterized in that further include:
Second judgment unit, for the comparing unit by the present image and it is pre-stored, by the power network video
When history image taken by monitoring device is compared, judge whether described present image itself breaks down；
Second Alarm Unit, for generating when the second judgment unit judges that described present image itself breaks down
Second warning information is alerted.
7. device according to claim 6, which is characterized in that the second judgment unit includes:
First judgment module, for judging the clarity of the present image whether less than the second predetermined threshold；Described clear
When degree is less than second predetermined threshold, judge that described present image itself breaks down.
8. device according to claim 6, which is characterized in that the second judgment unit includes:
Second judgment module, for judging whether the region for occurring same color in the present image is greater than the predetermined threshold of third
Value；When the region for occurring same color in the present image is greater than the third predetermined threshold, the current figure is judged
As itself breaks down.
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