CN107135377A - Monitor automatic tracking method and device - Google Patents
Monitor automatic tracking method and device Download PDFInfo
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- CN107135377A CN107135377A CN201710391710.5A CN201710391710A CN107135377A CN 107135377 A CN107135377 A CN 107135377A CN 201710391710 A CN201710391710 A CN 201710391710A CN 107135377 A CN107135377 A CN 107135377A
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- mobile object
- picture
- monitoring
- control instruction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
A kind of monitoring automatic tracking method and device that the present invention is provided, when its method is included in recording monitor, whether monitoring objective region has mobile object；If so, then drawing the motion track of the mobile object, and mobile control instruction is produced according to the motion track, while analyzing the size of the mobile object, and zoom control instruction is produced according to the size；The anglec of rotation of high-speed ball-forming machine is adjusted by the mobile control instruction, is instructed by the zoom control and adjusts the focal length of camera lens to zoom in or out the mobile object.The present invention can be realized to destination object from motion tracking, by the automatic focusing of equipment, be directed at the mobile object being taken, can more clearly be obtained the image information of mobile object.
Description
Technical field
The present invention relates to monitoring field, a kind of monitoring automatic tracking method and device are especially related to.
Background technology
With the development of security and guard technology, monitoring device is more and more intelligent, and integrated camera, which can be caught, grabs wide-angle model
Target in the image enclosed, analysis image, target trajectory can be depicted with the movement of target.Integrated camera is utilized
The zoomable ball machine of high-speed rotation can quickly rotate, camera lens is moved in the target for needing to monitor, and target can be existed
It is amplified in image high-visible；Different monitoring positions can be set, the switching monitoring in turn returned；It can set as needed
The route of motion is put, allows clipping the ball to monitor the region of needs in a desired fashion.
But the action that above-mentioned integrated camera is performed needs to perform under operator's manual operation, it is impossible to realize certainly
Motion tracking.
The content of the invention
The main object of the present invention can independently judge to track target to provide monitoring automatic tracking method and device, real
Now unmanned is intelligent from motion tracking.
The present invention proposes a kind of monitoring automatic tracking method, including：
In recording monitor, whether monitoring objective region has mobile object；
If so, then drawing the motion track of the mobile object, and mobile control instruction is produced according to the motion track,
The size of the mobile object is analyzed simultaneously, and zoom control instruction is produced according to the size；
The anglec of rotation of high-speed ball-forming machine is adjusted by the mobile control instruction, instructs regulation to take the photograph by the zoom control
The focal length of camera lens is to zoom in or out the mobile object.
Preferably, include before the step of whether the monitoring objective region has mobile object：
Setting command is received, the target area is set.
Preferably, the anglec of rotation that high-speed ball-forming machine is adjusted by the mobile control instruction, is controlled by the scaling
Include after the step of focal length of system instruction regulation camera lens is to zoom in or out the mobile object：
When the mobile object removes coverage, the camera lens are made to restPose.
Preferably, the step of whether the monitoring objective region has mobile object, including：
Intercept the target area picture of present frame；
The target area picture is compared with the history target area picture of buffering area, picture difference value is calculated；
The picture difference value is compared with predetermined threshold value, if the picture difference value is more than the predetermined threshold value, sentenced
It is disconnected to have mobile object, and picture difference value in the target area picture is more than the part of the predetermined threshold value labeled as movement
Object.
Preferably, after the step of whether the monitoring objective region has mobile object, in addition to：
If so, then be the recording monitor during obtain video file addition tracking mark.
The invention also provides one kind monitoring autotracker, including：
Monitoring modular, in recording monitor, whether monitoring objective region to have mobile object；
Reaction module, for if so, then draw the motion track of the mobile object, and is produced according to the motion track
Mobile control instruction, while analyzing the size of the mobile object, and produces zoom control instruction according to the size；
Performing module, the anglec of rotation for adjusting high-speed ball-forming machine by the mobile control instruction, passes through the scaling
Control instruction adjusts the focal length of camera lens to zoom in or out the mobile object.
Preferably, in addition to：
Setup module, for receiving setting command, sets the target area.
Preferably, in addition to：
Recovery module, for removing coverage when the mobile object, makes the camera lens restPose.
Preferably, the monitoring modular includes：
Picture capturing unit, the target area picture for intercepting present frame；
Picture comparing unit, for the target area picture to be compared with the history target area picture of buffering area, meter
Calculate picture difference value；
Judge mark unit, for the picture difference value to be compared with predetermined threshold value, if the picture difference value is more than
The predetermined threshold value, then judge there is mobile object, and picture difference value in the target area picture is more than into the default threshold
The part of value is labeled as mobile object.
Preferably, in addition to：
Increase mark module, for if so, then be the recording monitor during obtain video file addition tracking mark
Know.
A kind of monitoring automatic tracking method and device that the present invention is provided, when its method is included in recording monitor, monitor mesh
Whether mark region has mobile object；If so, then drawing the motion track of the mobile object, and produced according to the motion track
Mobile control instruction, while analyzing the size of the mobile object, and produces zoom control instruction according to the size；By institute
The anglec of rotation that mobile control instruction adjusts high-speed ball-forming machine is stated, the focal length for adjusting camera lens is instructed by the zoom control
To zoom in or out the mobile object.The present invention can be realized to destination object from motion tracking, by the automatic focusing of equipment,
The mobile object being taken is directed at, the image information of mobile object can be more clearly obtained.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet for monitoring the embodiment of automatic tracking method one of the present invention；
Fig. 2 is a kind of structural representation for monitoring the embodiment of autotracker one of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, the present invention proposes a kind of monitoring automatic tracking method, including：
S10, in recording monitor, whether monitoring objective region has mobile object；
S20, if so, then draw the motion track of the mobile object, and mobile control is produced according to the motion track
Instruction, while analyzing the size of the mobile object, and produces zoom control instruction according to the size；
S30, the anglec of rotation by the mobile control instruction adjustment high-speed ball-forming machine, pass through the zoom control and instruct tune
The focal length of camera lens is saved to zoom in or out the mobile object.
The monitoring automatic tracking method that the present embodiment is provided is primarily adapted for use in the monitoring device with high-speed ball-forming machine, typically adopts
It is integrated camera, it can also be used to varifocal filming apparatus.
In step slo, integrated camera is generally adopted by wide-angle lens, and the scope of shooting is wider.Can be in shooting
Set in the coverage of machine and whether there is mobile object in a target area, real-time monitoring objective region.Step S10 both can be by
The control chip of video camera is performed, also can be by being performed with the computer that integrated camera is networked.And above-mentioned mobile object is true
It is set to destination object.
In step S20, when it is determined that after mobile object, computing chip draws the motion track of the mobile object, and
Mobile control instruction is produced according to the motion track, while the size of the mobile object is analyzed, and according to the big abortion
Raw zoom control instruction.For example, when mobile object is away from video camera, mobile object is smaller in the displaying ratio of monitoring picture, this
When can produce one amplification control instruction.When mobile object is subjected to displacement, the control chip of video camera can produce a movement
Control instruction, the movement control instruction can adjust the rotational angle of high speed machine, track above-mentioned mobile object.It is clear complete in order to ensure
Site preparation obtains the picture of mobile object, and high-speed ball-forming machine can be moved left and right, can also moved up and down within the specific limits.During tracking, protect
Mobile object is demonstrate,proved From Left more than boundary or the picture width of right margin 1/3rd.I.e. the central point of mobile object is From Left
When more than boundary or the picture width of right margin 1/3rd, mobile control instruction is not produced, cam lens are not moved.When mobile pair
When the central point distance of elephant is less than 1/3rd picture width of left margin or right margin, mobile control instruction is produced, makes camera
Camera lens is tracked shooting.
In step s 30, step S20 is produced after corresponding control instruction, and high-speed ball-forming machine is adjusted according to the mobile control instruction
The whole anglec of rotation, camera lens are focused to zoom in or out the mobile object by zoom control instruction.
Optionally, whether the monitoring objective region has and includes before the step S10 of mobile object：
Setting command is received, the target area is set.
Before step S10, the step of further comprises setting target area.Because step S10 is related to the identification of picture,
Need to take more computing resource.Therefore, integrated camera can be according to itself chip or the meter of the computer chip of networking
Performance is calculated, it is determined that the size and number of settable target area.In general, using high-definition shooting, due to its high resolution, institute
Can be relatively smaller with settable target area.Certainly, high performance process chip can be also used, now highest can be set
Target area can be the overall coverage of video camera.
Optionally, include after the step S30：
When the mobile object removes coverage, the camera lens are made to restPose.
In the present embodiment, when mobile object removes coverage, then track up is stopped.Video camera returns to original
Wide-angle supervises bat state.In one case, if it is determined that destination object for a long time be not moved, then stop track up, make
Video camera returns to original wide angle shot state.For example, a settable time threshold, if the time is more than above-mentioned time threshold
Afterwards, the position of mobile object does not change still, then video camera returns to original wide angle shot state.Typically make one
With in example, time threshold may be configured as 5 seconds.
Optionally, whether the monitoring objective region has the step S10 of mobile object, including：
Intercept the target area picture of present frame；
The target area picture is compared with the history target area picture of buffering area, picture difference value is calculated；
The picture difference value is compared with predetermined threshold value, if the picture difference value is more than the predetermined threshold value, sentenced
It is disconnected to have mobile object, and picture difference value in the target area picture is more than the part of the predetermined threshold value labeled as movement
Object.
In the present embodiment, the mainly detail of track up.It is the target area picture for intercepting present frame first.
The frequency of interception can carry out different settings according to different model.For example can be set every 1 second intercept a frame, may also set up every
5s intercepts a frame.
Picture after interception is compared with the picture stored before, can if the difference of conspicuousness occurs in image content
There is mobile object in judgement.Current picture is put into buffering area simultaneously, as new history target area picture, displacement is original
For the history target area picture compared.
Generally, the picture shot every time is because the influence of various factors, such as illuminance, image content occurs one
Fixed difference.Therefore, a threshold value can be set, and when only the difference value of image content exceedes threshold value, video camera is used from motion tracking
Shoot.Simultaneously, it is also contemplated that sunlight is blocked in the influence of natural cause or various scenes, such as cloud, before the picture for causing shooting
After there is larger difference.It can configure some sensing apparatus, such as light sensor, for reducing due to being missed caused by environmental change
Sentence.
Optionally, after whether the monitoring objective region has a mobile object S10, in addition to：
If so, then adding mark in the video recording for recording the picture.
After video camera start-up trace is shot, mark can be added in corresponding video file, in order to which Security Personnel looks into
See tracking information.If enabling track up in a video file, relevant position can increase corresponding mark in video.
Reference picture 2, autotracker is monitored present invention also offers one kind, including：
Monitoring modular 10, in recording monitor, whether monitoring objective region to have mobile object；
Reaction module 20, for if so, then draw the motion track of the mobile object, and is produced according to the motion track
Raw mobile control instruction, while analyzing the size of the mobile object, and produces zoom control instruction according to the size；
Performing module 30, the anglec of rotation for adjusting high-speed ball-forming machine by the mobile control instruction, passes through the contracting
The focal length of control instruction regulation camera lens is put to zoom in or out the mobile object.
The monitoring autotracker that the present embodiment is provided, the monitoring device that can carry high-speed ball-forming machine is presented, such as one
Change video camera or varifocal filming apparatus.
In monitoring modular 10, integrated camera is generally adopted by wide-angle lens, and the scope of shooting is wider.Can be in shooting
Set in the coverage of machine and whether there is mobile object in a target area, real-time monitoring objective region.Monitoring modular 10 was both
It can be performed by the control chip of video camera, also can be by being performed with the computer that integrated camera is networked.And by above-mentioned movement pair
As being defined as destination object.
In reaction module 20, when it is determined that after mobile object, computing chip draws the motion track of the mobile object,
And mobile control instruction is produced according to the motion track, while the size of the mobile object is analyzed, and according to the size
Produce zoom control instruction.For example, when mobile object is away from video camera, mobile object is smaller in the displaying ratio of monitoring picture,
An amplification control instruction can now be produced.When mobile object is subjected to displacement, the control chip of video camera can produce a shifting
Dynamic control instruction, the movement control instruction can adjust the rotational angle of high speed machine, track above-mentioned mobile object.It is clear in order to ensure
The picture of mobile object is intactly obtained, high-speed ball-forming machine can be moved left and right, can also moved up and down within the specific limits.During tracking,
Ensure mobile object From Left more than boundary or the picture width of right margin 1/3rd.I.e. the central point of mobile object is left in distance
When more than border or the picture width of right margin 1/3rd, mobile control instruction is not produced, cam lens are not moved.Work as movement
When the central point distance of object is less than 1/3rd picture width of left margin or right margin, mobile control instruction is produced, makes shooting
Head mirror head is tracked shooting.
In performing module 30, reaction module 20 is produced after corresponding control instruction, and high-speed ball-forming machine refers to according to the mobile control
The order adjustment anglec of rotation, camera lens are focused to zoom in or out the movement pair by zoom control instruction
As.
Optionally, in addition to：
Setup module, for receiving setting command, sets the target area.
Because monitoring modular 10 is related to the identification of picture, it is necessary to take more computing resource.Therefore, in this module
In, integrated camera can be according to the calculating performance of itself chip or the computer chip of networking, it is determined that settable target area
Size and number.In general, using high-definition shooting, due to its high resolution, so settable target area can be relative
It is smaller.Certainly, high performance process chip can be also used, now the settable target area of highest can be the whole of video camera
Body coverage.
Optionally, in addition to：
Recovery module, for removing coverage when the mobile object, makes the camera lens restPose.
In the present embodiment, when mobile object removes coverage, then track up is stopped.Video camera returns to original
Wide-angle supervises bat state.In one case, if it is determined that destination object for a long time be not moved, then stop track up, make
Video camera returns to original wide angle shot state.For example, a settable time threshold, if the time is more than above-mentioned time threshold
Afterwards, the position of mobile object does not change still, then video camera returns to original wide angle shot state.Typically make one
With in example, time threshold may be configured as 5 seconds.
Optionally, the monitoring modular 10 includes：
Picture capturing unit, the target area picture for intercepting present frame；
Picture comparing unit, for the target area picture to be compared with the history target area picture of buffering area, meter
Calculate picture difference value；
Judge mark unit, for the picture difference value to be compared with predetermined threshold value, if the picture difference value is more than
The predetermined threshold value, then judge there is mobile object, and picture difference value in the target area picture is more than into the default threshold
The part of value is labeled as mobile object.
In the present embodiment, the mainly detail of track up.It is the target area picture for intercepting present frame first.
The frequency of interception can carry out different settings according to different model.For example can be set every 1 second intercept a frame, may also set up every
5s intercepts a frame.
Picture after interception is compared with the picture stored before, can if the difference of conspicuousness occurs in image content
There is mobile object in judgement.Current picture is put into buffering area simultaneously, as new history target area picture, displacement is original
For the history target area picture compared.
Generally, the picture shot every time is because the influence of various factors, such as illuminance, image content occurs one
Fixed difference.Therefore, a threshold value can be set, and when only the difference value of image content exceedes threshold value, video camera is used from motion tracking
Shoot.Simultaneously, it is also contemplated that sunlight is blocked in the influence of natural cause or various scenes, such as cloud, before the picture for causing shooting
After there is larger difference.It can configure some sensing apparatus, such as light sensor, for reducing due to being missed caused by environmental change
Sentence.
Optionally, in addition to：
Increase mark module, for if so, then be the recording monitor during obtain video file addition tracking mark
Know.
In this module, after video camera start-up trace is shot, mark can be added in corresponding video file, in order to
Security Personnel checks tracking information.If enabling track up in a video file, relevant position can increase in video
Corresponding mark.
A kind of monitoring automatic tracking method and device that the present invention is provided, when its method is included in recording monitor, monitor mesh
Whether mark region has mobile object；If so, then drawing the motion track of the mobile object, and produced according to the motion track
Mobile control instruction, while analyzing the size of the mobile object, and produces zoom control instruction according to the size；By institute
The anglec of rotation that mobile control instruction adjusts high-speed ball-forming machine is stated, the focal length for adjusting camera lens is instructed by the zoom control
To zoom in or out the mobile object.The present invention can be realized to destination object from motion tracking, by the automatic focusing of equipment,
The mobile object being taken is directed at, the image information of mobile object can be more clearly obtained.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
Equivalent structure or equivalent flow conversion that description of the invention is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. one kind monitoring automatic tracking method, it is characterised in that including：
In recording monitor, whether monitoring objective region has mobile object；
If so, then drawing the motion track of the mobile object, and mobile control instruction is produced according to the motion track, simultaneously
The size of the mobile object is analyzed, and zoom control instruction is produced according to the size；
The anglec of rotation of high-speed ball-forming machine is adjusted by the mobile control instruction, passes through zoom control instruction regulation video camera
The focal length of camera lens is to zoom in or out the mobile object.
2. monitoring automatic tracking method according to claim 1, it is characterised in that whether the monitoring objective region has shifting
Include before the step of dynamic object：
Setting command is received, the target area is set.
3. monitoring automatic tracking method according to claim 1, it is characterised in that described to pass through the mobile control instruction
The anglec of rotation of high-speed ball-forming machine is adjusted, the focal length for adjusting camera lens is instructed to zoom in or out by the zoom control
Include after the step of stating mobile object：
When the mobile object removes coverage, the camera lens are made to restPose.
4. monitoring automatic tracking method according to claim 1, it is characterised in that whether the monitoring objective region has shifting
The step of dynamic object, including：
Intercept the target area picture of present frame；
The target area picture is compared with the history target area picture of buffering area, picture difference value is calculated；
The picture difference value is compared with predetermined threshold value, if the picture difference value is more than the predetermined threshold value, judgement has
Mobile object, and picture difference value in the target area picture is more than the part of the predetermined threshold value labeled as mobile pair
As.
5. monitoring automatic tracking method according to claim 1, it is characterised in that whether the monitoring objective region has shifting
After the step of dynamic object, in addition to：
If so, then be the recording monitor during obtain video file addition tracking mark.
6. one kind monitoring autotracker, it is characterised in that including：
Monitoring modular, in recording monitor, whether monitoring objective region to have mobile object；
Reaction module, for if so, then draw the motion track of the mobile object, and produces movement according to the motion track
Control instruction, while analyzing the size of the mobile object, and produces zoom control instruction according to the size；
Performing module, the anglec of rotation for adjusting high-speed ball-forming machine by the mobile control instruction, passes through the zoom control
Instruction adjusts the focal length of camera lens to zoom in or out the mobile object.
7. monitoring autotracker according to claim 6, it is characterised in that also include：
Setup module, for receiving setting command, sets the target area.
8. monitoring autotracker according to claim 6, it is characterised in that also include：
Recovery module, for removing coverage when the mobile object, makes the camera lens restPose.
9. monitoring autotracker according to claim 6, it is characterised in that the monitoring modular includes：
Picture capturing unit, the target area picture for intercepting present frame；
Picture comparing unit, for the target area picture to be compared with the history target area picture of buffering area, calculates picture
Face difference value；
Judge mark unit, for the picture difference value to be compared with predetermined threshold value, if the picture difference value is more than described
Predetermined threshold value, then judge there is mobile object, and picture difference value in the target area picture is more than into the predetermined threshold value
Part is labeled as mobile object.
10. monitoring autotracker according to claim 6, it is characterised in that also include：
Increase mark module, for if so, then be the recording monitor during obtain video file addition tracking mark.
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| CN109739155A (en) * | 2019-02-20 | 2019-05-10 | 中国人民解放军91245部队 | A kind of human-machine interaction monitoring system and monitoring method |
| CN109756682A (en) * | 2019-02-01 | 2019-05-14 | 孙斌 | Dynamic image capture, tracking, focusing mechanism and method |
| CN109882761A (en) * | 2017-12-06 | 2019-06-14 | 爱玛丽欧股份有限公司 | The headlamp and its control method with tracking are automatically controlled using image identification |
| CN110225251A (en) * | 2019-05-31 | 2019-09-10 | 维沃移动通信（杭州）有限公司 | A kind of video recording method and terminal |
| CN110248163A (en) * | 2019-06-27 | 2019-09-17 | 湖州米欧康电子科技有限公司 | A kind of image output method and system of monitoring camera |
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| CN111429489A (en) * | 2019-07-30 | 2020-07-17 | 杭州海康威视数字技术股份有限公司 | Target tracking monitoring display method and device |
| CN111526280A (en) * | 2020-03-23 | 2020-08-11 | 深圳市大拿科技有限公司 | Control method and device of camera device, electronic equipment and storage medium |
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| CN112104841A (en) * | 2020-11-05 | 2020-12-18 | 深圳市万佳安人工智能数据技术有限公司 | Multi-camera intelligent monitoring method and device for monitoring moving target |
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| CN109882761A (en) * | 2017-12-06 | 2019-06-14 | 爱玛丽欧股份有限公司 | The headlamp and its control method with tracking are automatically controlled using image identification |
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