CN106595604A - Nuclear power plant perimeter low-altitude parabolic behavior detection method and device - Google Patents
Nuclear power plant perimeter low-altitude parabolic behavior detection method and device Download PDFInfo
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- CN106595604A CN106595604A CN201611111089.4A CN201611111089A CN106595604A CN 106595604 A CN106595604 A CN 106595604A CN 201611111089 A CN201611111089 A CN 201611111089A CN 106595604 A CN106595604 A CN 106595604A
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- Prior art keywords
- circumference
- parabolic
- low latitude
- moving region
- nuclear power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
- G01C11/06—Interpretation of pictures by comparison of two or more pictures of the same area
- G01C11/12—Interpretation of pictures by comparison of two or more pictures of the same area the pictures being supported in the same relative position as when they were taken
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/36—Videogrammetry, i.e. electronic processing of video signals from a single source or from different sources to give parallax or range information
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a nuclear power plant perimeter low-altitude parabolic behavior detection method and device. The method comprises steps as follows: the condition of the upper side of a nuclear power plant perimeter is detected by a camera device in real time, motion areas are extracted from video images shot by the camera device in real time and subjected to image analysis, and whether a perimeter low-altitude parabolic behavior occurs is judged according to analysis results; when the perimeter low-altitude parabolic behavior is judged to occur, an alarm signal is sent. Compared with the prior art, the method and the device have the effects as follows: the nuclear power plant perimeter parabolic condition can be detected and the control capacity for articles can be improved by applying a video analysis technology to the upper side of the perimeter for parabolic detection.
Description
Technical field
The invention belongs to nuclear power station technical field, it is more particularly related to a kind of nuclear power plant's circumference low latitude parabolic
Detection method, device.
Background technology
In order to prevent illegal invasion and various destructive activities, in nuclear power plant, each layer circumference establishes complete closure for nuclear power plant
Physical barrier and carried out real-time management and control.Nuclear power station circumference refer to by nuclear power station circle into closing space structures, such as fence,
Wall etc..Nuclear power plant must also carry except needing to prevent intrusion behavior and being postponed to other various intrusion behaviors of circumference
For effective management and control.
To solve npp safety protection problem, in disclosed npp safety protection scheme, mainly in gateway
X-ray machine, metal detector, explosive detectors etc. are set, by guard's manual examination (check) when article needs to enter or take out of.
But, there is following defect in this npp safety guard method：
The scheme of prior art can only be detected to the article that nuclear power station is passed in and out by gateway, it is impossible to logical to contraband
Cross circumference top to be thrown into or the behavior of nuclear power station of dishing out is detected.
The content of the invention
It is an object of the invention to：There is provided a kind of nuclear power plant's circumference that can be detected to nuclear power plant's circumference low latitude parabolic low
Empty parabolic detection method, device.
In order to realize foregoing invention purpose, the invention provides a kind of nuclear power plant's circumference low latitude parabolic detection method, including：
By the situation above camera head real-time detection nuclear power plant circumference, in the video image shot with video-corder from camera head
Extract real-time moving region, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic according to analysis result
Behavior；
When judging to occur circumference low latitude parabolic behavior, alarm signal is sent.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection method of the present invention, it is described to be examined in real time by camera head
Situation about surveying above nuclear power plant's circumference, specifically includes：
Occur when someone in monitoring range is detected, then extract real-time motion in the video image shot with video-corder from camera head
Region, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic behavior according to analysis result.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection method of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region, across being used to identify the identification line of circumference, judges circumference low latitude during change
Parabolic behavior.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection method of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region cutting out partial moving region during change, and componental movement region would be across for marking
Know the identification line of circumference, then judge circumference low latitude parabolic behavior.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection method of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region by being used to identify circumference, judge circumference low latitude parabolic row
For.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection method of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region in parabolical form by being used to identify circumference, judges week
The parabolic behavior of boundary low latitude.
In order to realize foregoing invention purpose, the invention provides a kind of nuclear power plant's circumference low latitude parabolic detection means, including：
Camera detection module, is used for：By the situation above camera head real-time detection nuclear power plant circumference, from camera head
Extract real-time moving region in the video image shot with video-corder, to moving region graphical analyses are carried out, and are according to analysis result judgement
No generation circumference low latitude parabolic behavior；
Alarm module, is used for：When judging to occur circumference low latitude parabolic behavior, alarm signal is sent.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection means of the present invention, the camera detection module, specifically
For：
Occur when someone in monitoring range is detected, then extract real-time motion in the video image shot with video-corder from camera head
Region, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic behavior according to analysis result.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection means of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region, across being used to identify the identification line of circumference, judges circumference low latitude during change
Parabolic behavior.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection means of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region cutting out partial moving region during change, and componental movement region would be across for marking
Know the identification line of circumference, then judge circumference low latitude parabolic behavior.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection means of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region by being used to identify circumference, judge circumference low latitude parabolic row
For.
Improve as one kind of nuclear power plant's circumference low latitude parabolic detection means of the present invention, it is described that image is carried out to moving region
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region in parabolical form by being used to identify circumference, judges week
The parabolic behavior of boundary low latitude.
Compared with prior art, nuclear power plant's circumference low latitude parabolic detection method of the invention, device have the effect that：
Parabolic detection is carried out in circumference overhead by the way that Video Analysis Technology is applied, nuclear power station circumference parabolic feelings can be detected
Condition, improves the management and control ability to article.
Description of the drawings
With reference to the accompanying drawings and detailed description, to nuclear power plant's circumference low latitude parabolic detection method of the present invention, device and
Its advantage is described in detail.
Fig. 1 is a kind of workflow of nuclear power plant's circumference low latitude parabolic detection method of the invention.
Fig. 2 is a kind of moving region of nuclear power plant's circumference low latitude parabolic detection method one embodiment of the invention across identification
Line detects schematic diagram.
Fig. 3 is that a kind of moving region of nuclear power plant's circumference low latitude parabolic detection method one embodiment of the invention separates leap
Identification line detects schematic diagram.
Fig. 4 is a kind of moving region of nuclear power plant's circumference low latitude parabolic detection method one embodiment of the invention from identification line
Top passes through detects schematic diagram.
Fig. 5 is a kind of module map of nuclear power plant's circumference low latitude parabolic detection means of the invention
Specific embodiment
In order that the goal of the invention of the present invention, technical scheme and its Advantageous Effects become apparent from, below in conjunction with accompanying drawing
And specific embodiment, the present invention will be described in further detail.It should be appreciated that the concrete reality described in this specification
Mode is applied just for the sake of explaining the present invention, is not intended to limit the present invention.
Refer to Fig. 1, a kind of workflow diagram of nuclear power plant's circumference low latitude parabolic detection method of the invention, including：
Step S101, by the situation above camera head real-time detection nuclear power plant circumference, is shot with video-corder from camera head
Extract real-time moving region in video image, to moving region graphical analyses are carried out, and judge whether week according to analysis result
The parabolic behavior of boundary low latitude；
Step S102, when judging to occur circumference low latitude parabolic behavior, sends alarm signal.
Step S101, by the situation above camera head real-time detection nuclear power plant circumference, builds a three-dimensional, is suitable for
Property strong, stable performance round-the-clock circumference low latitude parabolic detection intelligent video system, realize low latitude parabolic detection, have article across
When more above circumference, alarm signal is sent by step S102 and reminds guard.
Specifically, step S101 is analyzed using background subtraction to video image, by setting up context parameter model
Carry out the pixel value of approximate background image, realized to motion target area by the way that present frame and background model are carried out into differential comparison
Detection, wherein it is considered as moving region to distinguish larger pixel region, and it is considered as then the back of the body to distinguish less pixel region
Scene area.
The present invention carries out parabolic detection by the way that Video Analysis Technology is applied in circumference overhead, can detect that nuclear power station circumference is thrown
Principle condition, improves the management and control ability to article.Meanwhile, by extract real-time moving region in video image, so as to accurate
Monitoring parabolic behavior, improves monitoring accuracy.
It is described to be examined in real time by camera head in one embodiment of nuclear power plant's circumference low latitude parabolic detection method of the present invention
Situation about surveying above nuclear power plant's circumference, specifically includes：
Extract real-time moving region in the video image shot with video-corder from camera head, to moving region graphical analyses are carried out,
Judge whether circumference low latitude parabolic behavior according to analysis result.
It is described to be examined in real time by camera head in one embodiment of nuclear power plant's circumference low latitude parabolic detection method of the present invention
Situation about surveying above nuclear power plant's circumference, specifically includes：
Occur when someone in monitoring range is detected, then extract real-time motion in the video image shot with video-corder from camera head
Region, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic behavior according to analysis result.
Specifically, detect that whether someone occurs in monitoring range, can adopt existing character image recognition methodss.
The present embodiment when detecting that someone occurs in monitoring range, to video image extract real-time moving region, so as to
Unnecessary extract real-time moving region is reduced, the wasting of resources is reduced.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection method of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region, across being used to identify the identification line of circumference, judges circumference low latitude during change
Parabolic behavior.
Fig. 2 is referred to, moving region 21 crosses over identification line 22, refers to that moving region 21 comes in contact with identification line 22, this
When to have object to dish out from nuclear power plant or have object to be thrown into from outside nuclear power plant, therefore judge circumference low latitude parabolic row
For.Wherein, identification line 22 can be arranged on nuclear power plant's fence top.
Whether the present embodiment passes through to judge moving region across identification line, so as to accurately judge whether that circumference low latitude occurs throws
Thing behavior.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection method of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region cutting out partial moving region during change, and componental movement region would be across for marking
Know the identification line of circumference, then judge circumference low latitude parabolic behavior.
Fig. 3 is referred to, when the cutting out partial moving region 312 of moving region 31, when componental movement region 312 is across identification
Line 32, then may determine that for the region 311 in moving region 31 be people, and the componental movement region 312 isolated is the people institute
The article held, therefore may determine that generation circumference low latitude parabolic behavior.Identification line 32 can be arranged on nuclear power plant's fence top.
Whether the present embodiment cutting out partial moving region and crosses over identification line by judging moving region, so as to accurately sentence
It is disconnected that whether the parabolic behavior of circumference low latitude occurs.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection method of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region by being used to identify circumference, judge circumference low latitude parabolic row
For.
Refer to Fig. 4, because video image is two dimensional image, if therefore when moving region 41 not with identification line 42
Contact, then cannot judge circumference low latitude parabolic behavior.Therefore, whether the present embodiment increase judges moving region 41 by knowing
The top of other line 42, by referring to that the another of identification line 42 occurs and move to from the side 421 of identification line 42 in moving region 41
Side 422.
Whether the present embodiment passes through to judge moving region by the top of identification line, so as to accurately judge whether circumference
Low latitude parabolic behavior.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection method of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region in parabolical form by being used to identify circumference, judges week
The parabolic behavior of boundary low latitude.
The present embodiment further by the detection moving region whether top for passing through identification line in parabolical form, so as to
Further accurately judge whether circumference low latitude parabolic behavior, reduce erroneous judgement.
Refer to Fig. 5, a kind of apparatus module figure of nuclear power plant's circumference low latitude parabolic detection means of the invention, including：
Camera detection module 501, is used for：By the situation above camera head real-time detection nuclear power plant circumference, from shooting
Extract real-time moving region in the video image that device is shot with video-corder, to moving region graphical analyses are carried out, and are sentenced according to analysis result
It is disconnected that whether the parabolic behavior of circumference low latitude occurs；
Alarm module 502, is used for：When judging to occur circumference low latitude parabolic behavior, alarm signal is sent.
The present invention carries out parabolic detection by the way that Video Analysis Technology is applied in circumference overhead, can detect that nuclear power station circumference is thrown
Principle condition, improves the management and control ability to article.Meanwhile, the present embodiment by extract real-time moving region in video image, from
And parabolic behavior can be accurately monitored, improve monitoring accuracy.
In one embodiment of nuclear power plant's circumference low latitude parabolic detection means of the present invention, the camera detection module, specifically
For：
Occur when someone in monitoring range is detected, then extract real-time motion in the video image shot with video-corder from camera head
Region, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic behavior according to analysis result.
The present embodiment when detecting that someone occurs in monitoring range, to video image extract real-time moving region, so as to
Unnecessary extract real-time moving region is reduced, the wasting of resources is reduced.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection means of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region, across being used to identify the identification line of circumference, judges circumference low latitude during change
Parabolic behavior.
Whether the present embodiment passes through to judge moving region across identification line, so as to accurately judge whether that circumference low latitude occurs throws
Thing behavior.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection means of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region cutting out partial moving region during change, and componental movement region would be across for marking
Know the identification line of circumference, then judge circumference low latitude parabolic behavior.
Whether the present embodiment cutting out partial moving region and crosses over identification line by judging moving region, so as to accurately sentence
It is disconnected that whether the parabolic behavior of circumference low latitude occurs.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection means of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region by being used to identify circumference, judge circumference low latitude parabolic row
For.
Whether the present embodiment passes through to judge moving region by the top of identification line, so as to accurately judge whether circumference
Low latitude parabolic behavior.
It is described that image is carried out to moving region in one embodiment of nuclear power plant's circumference low latitude parabolic detection means of the present invention
Analysis, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region in parabolical form by being used to identify circumference, judges week
The parabolic behavior of boundary low latitude.
The present embodiment further by the detection moving region whether top for passing through identification line in parabolical form, so as to
Further accurately judge whether circumference low latitude parabolic behavior, reduce erroneous judgement.
After using technical scheme, nuclear power station circumference parabolic situation can be detected, improve the management and control ability to article.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, specific embodiment disclosed and described above is the invention is not limited in, to this
Some modifications and changes of invention should also be as falling in the scope of the claims of the present invention.Although additionally, this specification
Used in some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (12)
1. a kind of nuclear power plant's circumference low latitude parabolic detection method, it is characterised in that include：
By the situation above camera head real-time detection nuclear power plant circumference, in the video image shot with video-corder from camera head in real time
Moving region is extracted, graphical analyses are carried out to moving region, judge whether circumference low latitude parabolic behavior according to analysis result；
When judging to occur circumference low latitude parabolic behavior, alarm signal is sent.
2. nuclear power plant's circumference low latitude parabolic detection method according to claim 1, it is characterised in that described by imaging dress
The situation above real-time detection nuclear power plant circumference is put, is specifically included：
Occur when someone in monitoring range is detected, then extract real-time motor region in the video image shot with video-corder from camera head
Domain, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic behavior according to analysis result.
3. nuclear power plant's circumference low latitude parabolic detection method according to claim 1, it is characterised in that described to moving region
Graphical analyses are carried out, judges whether circumference low latitude parabolic behavior according to analysis result, specifically included：
If moving region, across being used to identify the identification line of circumference, judges circumference low latitude parabolic during change
Behavior.
4. nuclear power plant's circumference low latitude parabolic detection method according to claim 1, it is characterised in that described to moving region
Graphical analyses are carried out, judges whether circumference low latitude parabolic behavior according to analysis result, specifically included：
If moving region cutting out partial moving region during change, and componental movement region would be across for identifying week
The identification line on boundary, then judge circumference low latitude parabolic behavior.
5. nuclear power plant's circumference low latitude parabolic detection method according to claim 1, it is characterised in that described to moving region
Graphical analyses are carried out, judges whether circumference low latitude parabolic behavior according to analysis result, specifically included：
If the top of identification line of the moving region by being used to identify circumference, judges circumference low latitude parabolic behavior.
6. nuclear power plant's circumference low latitude parabolic detection method according to claim 5, it is characterised in that described to moving region
Graphical analyses are carried out, judges whether circumference low latitude parabolic behavior according to analysis result, specifically included：
If the top of identification line of the moving region in parabolical form by being used to identify circumference, judge that generation circumference is low
Empty parabolic behavior.
7. a kind of nuclear power plant's circumference low latitude parabolic detection means, it is characterised in that include：
Camera detection module, is used for：By the situation above camera head real-time detection nuclear power plant circumference, taken the photograph from camera head
Extract real-time moving region in the video image of record, to moving region graphical analyses are carried out, and are judged whether to send out according to analysis result
Raw circumference low latitude parabolic behavior；
Alarm module, is used for：When judging to occur circumference low latitude parabolic behavior, alarm signal is sent.
8. nuclear power plant's circumference low latitude parabolic detection means according to claim 7, it is characterised in that the camera detection mould
Block, specifically for：
Occur when someone in monitoring range is detected, then extract real-time motor region in the video image shot with video-corder from camera head
Domain, to moving region graphical analyses are carried out, and judge whether circumference low latitude parabolic behavior according to analysis result.
9. nuclear power plant's circumference low latitude parabolic detection means according to claim 7, it is characterised in that described to moving region
Graphical analyses are carried out, judges whether circumference low latitude parabolic behavior according to analysis result, specifically included：
If moving region, across being used to identify the identification line of circumference, judges circumference low latitude parabolic during change
Behavior.
10. nuclear power plant's circumference low latitude parabolic detection means according to claim 7, it is characterised in that described to motor region
Domain carries out graphical analyses, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If moving region cutting out partial moving region during change, and componental movement region would be across for identifying week
The identification line on boundary, then judge circumference low latitude parabolic behavior.
11. nuclear power plant's circumference low latitude parabolic detection means according to claim 7, it is characterised in that described to motor region
Domain carries out graphical analyses, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region by being used to identify circumference, judges circumference low latitude parabolic behavior.
12. nuclear power plant's circumference low latitude parabolic detection means according to claim 11, it is characterised in that described to motor region
Domain carries out graphical analyses, judges whether circumference low latitude parabolic behavior according to analysis result, specifically includes：
If the top of identification line of the moving region in parabolical form by being used to identify circumference, judge that generation circumference is low
Empty parabolic behavior.
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| CN106595604B (en) | 2019-10-22 |
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