CN104219496A - Monitoring method and monitoring system capable of identifying directions - Google Patents
Monitoring method and monitoring system capable of identifying directions Download PDFInfo
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- CN104219496A CN104219496A CN201410418137.9A CN201410418137A CN104219496A CN 104219496 A CN104219496 A CN 104219496A CN 201410418137 A CN201410418137 A CN 201410418137A CN 104219496 A CN104219496 A CN 104219496A
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Abstract
The invention provides a monitoring method and a monitoring system capable of identifying directions. The method includes that multiple cameras are arranged in a same plane, and an included angle between every two cameras is known; relative direction relation among the cameras is determined, and any one of the camera is selected as a preset benchmark camera; a preset known direction is set; the cameras are utilized to shoot images of a monitored object, and the angle of the preset benchmark camera deviating from the preset known direction is detected; the current direction of each camera is determined according to the preset known direction deviated angle, the preset known direction and the relative direction relation among the cameras. In the whole process, the direction identification process is simple, direction identification is performed through the cameras clear in relative position and the preset known direction, signal transmission instability and direction identification failure caused by environment complexity of application scenarios are avoided, and stability is high; in addition, the entire direction identification process is simple, and implementation cost of direction identification is low.
Description
Technical field
The present invention relates to picture control technical field, particularly relate to the supervision method and system in identifiable design orientation.
Background technology
Along with the development of Video Supervision Technique and improving constantly of safety-security area requirement, there is various watch-dog in the market, the watch-dog of (360 ° without the dead angle) video that particularly pans.This system can arbitrarily movement, can carry out 360 ° of shootings comprehensively to the environment that will take.The ambient conditions of the scene acquisition the inside that so many people inconvenience enters can be applied to.Require that video monitoring equipment has the function of direction indication, the method realizing this function at present mainly uses special electronic module as GPS chip, by the geographical coordinate that satellite fix is current, infers direction coordinate.Namely in video monitoring system, GPS function is added.
360 ° of video monitoring systems, can comprehensive monitoring environment, if but the inconvenient environment entered of the personnel that enter into, such as pothole or anti-probably rescue the scenes such as battalion, just video pictures can be observed, can not determine the orientation that each picture is corresponding, exploration or rescue operation are made troubles, has certain limitation.In addition, although GPS navigation system precision is high, antijamming capability strong, cost is too high, is difficult to extensive use, and when equipment is subject to blocking, cannot receives gps satellite signal.
Visible existing 360 ° of video monitoring systems, complicated operation, implementation cost is high and cannot guarantee signal stabilization, at present in the urgent need to a kind of method and system of supervision of identifiable design orientation, come simple, efficient and stablely realize pothole or anti-ly probably rescue the special screnes such as battalion and carry out the supervision of identifiable design orientation.
Summary of the invention
Based on this, be necessary for existing surveillance cannot simply, efficient and stable problem of carrying out the supervision of identifiable design orientation, provide a kind of can simply, efficient and stablize the supervision method and system carrying out the identifiable design orientation of identifiable design orientation supervision.
The supervision method in identifiable design orientation, comprises step:
Multiple camera is set in same plane, and between two between adjacent described camera angle known;
Determine relative bearing relation between multiple camera, choose arbitrarily a certain camera as preset reference camera;
Known orientation is preset in setting;
Utilize described multiple camera shooting monitored object image, and detect described preset reference camera and depart from default known orientation angle;
Depart from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, determine each camera current direction.
The surveillance in identifiable design orientation, comprising:
Module is set, for arranging multiple camera in same plane, and between two between adjacent described camera angle known;
Relative bearing relationship determination module between camera, for determining relative bearing relation between multiple camera, chooses arbitrarily a certain camera as preset reference camera;
Preset known orientation setting module, for setting default known orientation;
Deviation angle detection module, for utilizing described multiple camera shooting monitored object image, and detects described preset reference camera and departs from default known orientation angle;
True bearing determination module, for departing from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, determines each camera current direction.
The supervision method and system in identifiable design orientation of the present invention, multiple camera is set in same plane, and between two between camera angle known, clearly can determine relative bearing relation between multiple camera like this, choose arbitrarily a certain camera as preset reference camera, known orientation is preset in setting, multiple camera is utilized to take monitored object image, and detect preset reference camera and depart from default known orientation angle, default known orientation angle is departed from according to preset reference camera, preset relative bearing relation between known orientation and described multiple camera, determine each camera current direction.In whole process, without the need to by GPS assist location, orientation recognition process is simple, the camera clear and definite by multiple relative position and default known orientation carry out orientation recognition, Signal transmissions can not be caused unstable because of the circumstance complication of application scenarios, orientation recognition failure, its stability is strong, in addition, whole orientation recognition process is simple, and do not need by the equipment costly such as similar GPS, orientation recognition implementation cost is cheap, so the supervision method in identifiable design orientation of the present invention is a kind of simple, efficient and stable method of carrying out identifiable design orientation, its enforcement is with low cost, can use on a large scale.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of supervision method first embodiment in identifiable design orientation of the present invention;
Fig. 2 is the schematic flow sheet of supervision method second embodiment in identifiable design orientation of the present invention;
Fig. 3 is the structural representation of surveillance first embodiment in identifiable design orientation of the present invention;
Fig. 4 is the structural representation of surveillance second embodiment in identifiable design orientation of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below with reference to the accompanying drawings and embodiment, the present invention is further elaborated.Should be appreciated that concrete enforcement described herein is only in order to explain the present invention, does not limit the present invention.
As shown in Figure 1, a kind of supervision method of identifiable design orientation, comprises step:
S100: multiple camera is set in same plane, and between two between adjacent described camera angle known.
Camera preferably can select large wide-angle camera, to photograph wider large monitoring target picture.The number of its camera can be selected according to actual needs, assuming that select the camera that N number of uniform intervals is arranged, when needs 360 degree of picket surveillances, between two between camera angle identical and be (360 degree/N) degree.Should be appreciated that if monitored object only needs the supervision in certain limit, such as, monitor within the scope of 180 degree of scopes or 90 degree, then between camera, angle is respectively (180 degree/N) degree and (90 degree/N) degree between two.Non-essential, in practical operation, we can arrange a spherical protective cover in addition, are arranged at by all cameras in spherical protective cover, dust-proof, protect multiple camera.If N number of camera non-uniform spacing is arranged, we by known angle-data, can determine relative bearing relation between each camera, for the ease of follow-up computing, non-essential, these angle-datas can also be preserved, are recorded.
S200: determine relative bearing relation between multiple camera, chooses arbitrarily a certain camera as preset reference camera.
Due between two between adjacent described camera angle known, so just can specify relative bearing relation between each camera, such as, suppose that clockwise direction successively uniform intervals is provided with A, B, C, D has 4 cameras altogether, and current needs 360 degree of picket surveillances, with A camera for benchmark, so B camera is just in A camera clockwise direction 90 degree of directions, C camera is just in A camera clockwise direction 180 degree of directions, and D camera is in A camera clockwise direction 270 degree of directions.Default known orientation is according to the current orientation needing setting, these orientation can be east, south, west, north, or these conventional orientation such as the southeast, southwest, northwest, northeast, the most frequently used as this orientation, north, we can set this orientation by compass.In multiple camera, selected some cameras are for doing benchmark camera arbitrarily, in multiple camera, choose arbitrarily wherein some as benchmark camera, such as, have 4 cameras altogether at A, B, C, D of arranging clockwise and choose camera A as benchmark camera, when regulating the orientation of camera A, during to make it just to the north (presetting known orientation), now camera B is just to east for this, and camera C is just to south, and camera D is just to west.
S300: known orientation is preset in setting.
Default known orientation can set according to actual needs, such as East, West, South, North four principal directions.
S400: utilize described multiple camera shooting monitored object image, and detect described preset reference camera and depart from default known orientation angle.
Multiple camera panorama resembles shooting monitored object image, each camera obtains the image that different azimuth photographs respectively, when multiple camera be 360 comprehensive arrange time, the image combining that these cameras photograph can obtain 360 global imaging pictures of object to be monitored.When multiple camera takes respective image respectively, detect described preset reference camera (camera A) and depart from described default known orientation (north) angle.
S500: depart from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, determine each camera current direction.
According to the data obtained before, preset reference camera departs from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera, just accurately can determine each camera current direction through simple reasoning from logic.
The supervision method in identifiable design orientation of the present invention, multiple camera is set in same plane, and between two between camera angle known, clearly can determine relative bearing relation between multiple camera like this, choose arbitrarily a certain camera as preset reference camera, known orientation is preset in setting, multiple camera is utilized to take monitored object image, and detect preset reference camera and depart from default known orientation angle, default known orientation angle is departed from according to preset reference camera, preset relative bearing relation between known orientation and described multiple camera, determine each camera current direction.In whole process, without the need to by GPS assist location, orientation recognition process is simple, the camera clear and definite by multiple relative position and default known orientation carry out orientation recognition, Signal transmissions can not be caused unstable because of the circumstance complication of application scenarios, orientation recognition failure, its stability is strong, in addition, whole orientation recognition process is simple, and do not need by the equipment costly such as similar GPS, orientation recognition implementation cost is cheap, so the supervision method in identifiable design orientation of the present invention is a kind of simple, efficient and stable method of carrying out identifiable design orientation, its enforcement is with low cost, can use on a large scale.
In order to further explain that the technical scheme of the supervision method in identifiable design orientation of the present invention and the beneficial effect that brings thereof are below by employing one specific embodiment, carry out detailed explanation explanation in detail.
Assuming that in this specific embodiment, need to carry out 360 degree of picket surveillances to monitored object, A is disposed with according to clockwise direction, B, C, D has 4 cameras altogether, default known direction is direct north, selected wherein A camera is preset reference direction, when a certain moment A camera skew direct north angle is 45 degree, namely A camera is just to northeastward, B camera skew direct north angle is 135 degree, B camera is just to southeastern direction, C camera skew direct north angle is 225 degree, C camera is just to southwestward, D camera skew direct north is 315 degree, D camera just to northwest to.
As shown in Figure 2, wherein in an embodiment, after described step S500 also in steps
S600: in described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, and the image after process is pushed to user.
Each camera everybody shooting monitored object image in, add the orientation watermark information of self, after the treatment again by these data-pushings to user, such user just intuitively can obtain image and azimuth information in a picture.
Wherein in an embodiment, describedly in described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, and the image after process is pushed to user specifically comprises step:
In described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, generate multiple view data carrying azimuth information respectively;
Described multiple view data carrying azimuth information is pushed to display device by wireless transmission;
By described display device, described multiple view data carrying azimuth information is showed user.
By the mode of watermark, the image photographed and camera current taken image azimuth information are integrated, be convenient to user and intuitively in a picture, obtain above-mentioned information, data pass through wireless transmission in addition, guarantee the agile of transfer of data and freedom, here wireless transmission can be transmitted by modes such as WIFI, bluetooth, 3G communication or 4G communications, finally be integrated with the image data transmission of azimuth information in display device, these clear data are showed user by display device.
Wherein in an embodiment, described step S300 is specially:
By position sensor device, determine described default known orientation, wherein, described position sensor device comprises electronic compass.
Determine to preset orientation, this deterministic process can utilize position sensor device, the equipment such as such as electronic compass, electronic compass has multiple, modal such as compass, this result is simple, and position sensor device with low cost, is convenient to the enforcement of the supervision method in identifiable design orientation of the present invention and applies.After determining default known orientation, preset reference camera can be aimed at the state of pre-configured orientation as whole initial condition by us, or perhaps reset mode, so that convenient identification orientation next time.
Wherein in an embodiment, describedly utilize described multiple camera shooting monitored object image, and detect described preset reference camera and depart from default known orientation angle and specifically comprise step:
Utilize described multiple camera, respectively to exceed the frequency shooting monitored object image of 30 frames per second;
By angle detection device, detect described preset reference camera and depart from described default known orientation angle.
To exceed the frequency shooting monitored object image of 30 frames per second, more abundant monitored object image can be photographed.Angle detection device preferably can select electronics angle detection device, is convenient to quick, Obtaining Accurate data.
In order to further explain the technical scheme of the supervision method in identifiable design orientation of the present invention and the beneficial effect that brings thereof in detail, below employing one instantiation is explained.
In this instantiation, 4 cameras are evenly arranged at equal intervals, need monitoring 360 degree of panoramas, and presetting known orientation is the positive north, and position sensor device selects compass, utilizes angle measurement unit to detect deflection angle.
First numbering is specified to camera, a camera is specified to be 1, the be separated by adjacent camera of 360 degree/4 angles of clockwise direction is 2, is 3 with the be separated by camera of 90 ° (clockwise) of camera 2, is 4 with the be separated by camera of 90 ° (clockwise) of camera 3.The pointer of compass points to the north always.First the pointer arranging compass directs at camera 1, is the initial condition of system when namely camera 1 is 0 ° with the pointer angle of compass.When pointer deflects, angle measurement unit measures the deflection angle of pointer in real time, deflection angle is input to computer disposal, what pointer indicated is the positive north, the angle that angle measurement unit is measured is camera 1 and the angle of positive northern pointer, by calculating the orientation can determining camera 1, due to other cameras between two between angle be 90 °, by the orientation of camera 1, computer can determine the orientation of other camera.
Each camera all gathers respective view data to computer, computer is by above-mentioned process, determine the orientation of camera 1, and in the data-signal of transmission camera, add the watermark of corresponding orientation, according to the angle of the orientation of camera 1 and camera between two, then calculate the concrete orientation of other cameras, add corresponding watermark, through wireless mode, data are spread out of, display terminal can show the video pictures with orientation watermark.
As shown in Figure 3, a kind of surveillance of identifiable design orientation, comprising:
Module 100 is set, for arranging multiple camera in same plane, and between two between adjacent described camera angle known;
Relative bearing relationship determination module 200 between camera, for determining relative bearing relation between multiple camera, chooses arbitrarily a certain camera as preset reference camera;
Preset known orientation setting module 300, for setting default known orientation;
Deviation angle detection module 400, for utilizing described multiple camera shooting monitored object image, and detects described preset reference camera and departs from default known orientation angle;
True bearing determination module 500, for departing from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, determines each camera current direction.
The surveillance in identifiable design orientation of the present invention, module 100 is set multiple camera is set in same plane, and between two between camera angle known, between camera, relative bearing relationship determination module 200 clearly determines relative bearing relation between multiple camera, choose arbitrarily a certain camera as preset reference camera, presetting the default known orientation deviation angle detection module 400 of known orientation setting module 300 setting utilizes multiple camera to take monitored object image, and detect preset reference camera and depart from default known orientation angle, true bearing determination module 500 departs from default known orientation angle according to preset reference camera, preset relative bearing relation between known orientation and described multiple camera, determine each camera current direction.In whole process, without the need to by GPS assist location, orientation recognition process is simple, the camera clear and definite by multiple relative position and default known orientation carry out orientation recognition, Signal transmissions can not be caused unstable because of the circumstance complication of application scenarios, orientation recognition failure, its stability is strong, in addition, whole orientation recognition process is simple, and do not need by the equipment costly such as similar GPS, orientation recognition implementation cost is cheap, so the supervision method in identifiable design orientation of the present invention is a kind of simple, efficient and stable method of carrying out identifiable design orientation, its enforcement is with low cost, can use on a large scale.
As shown in Figure 4, wherein in an embodiment, the surveillance in described identifiable design orientation, also comprises:
Push display module 600, in described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, and the image after process is pushed to user.
Wherein in an embodiment, described propelling movement display module 600 specifically comprises:
Watermark adding device, in described multiple camera shooting monitored object image, adds the watermark information in the corresponding orientation of each camera respectively, generates multiple view data carrying azimuth information respectively;
Push unit, for pushing to display device by described multiple view data carrying azimuth information by wireless transmission;
Display unit, for by described display device, shows user by described multiple view data carrying azimuth information.
Wherein in an embodiment, preset known orientation setting module 300 specifically for::
By position sensor device, determine described default known orientation, wherein, described position sensor device comprises electronic compass.
Wherein in an embodiment, described deviation angle detection module 400 specifically comprises:
Shooting unit, for utilizing described multiple camera, respectively to exceed the frequency shooting monitored object image of 30 frames per second;
Deviation angle detecting unit, for by angle detection device, detects described preset reference camera and departs from described default known orientation angle.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the supervision method in identifiable design orientation, is characterized in that, comprise step:
Multiple camera is set in same plane, and between two between adjacent described camera angle known;
Determine relative bearing relation between multiple camera, choose arbitrarily a certain camera as preset reference camera;
Known orientation is preset in setting;
Utilize described multiple camera shooting monitored object image, and detect described preset reference camera and depart from default known orientation angle;
Depart from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, determine each camera current direction.
2. the supervision method in identifiable design orientation according to claim 1, it is characterized in that, describedly depart from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, after determining each camera current direction also in steps:
In described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, and the image after process is pushed to user.
3. the supervision method in identifiable design orientation according to claim 2, it is characterized in that, describedly in described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, and the image after process is pushed to user specifically comprises step:
In described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, generate multiple view data carrying azimuth information respectively;
Described multiple view data carrying azimuth information is pushed to display device by wireless transmission;
By described display device, described multiple view data carrying azimuth information is showed user.
4. the supervision method in identifiable design orientation according to claim 1 and 2, is characterized in that, described setting is preset known orientation and is specially:
By position sensor device, determine described default known orientation, wherein, described position sensor device comprises electronic compass.
5. the supervision method in identifiable design orientation according to claim 1 and 2, is characterized in that, describedly utilizes described multiple camera shooting monitored object image, and detects described preset reference camera and depart from default known orientation angle and specifically comprise step:
Utilize described multiple camera, respectively to exceed the frequency shooting monitored object image of 30 frames per second;
By angle detection device, detect described preset reference camera and depart from described default known orientation angle.
6. the surveillance in identifiable design orientation, is characterized in that, comprising:
Module is set, for arranging multiple camera in same plane, and between two between adjacent described camera angle known;
Relative bearing relationship determination module between camera, for determining relative bearing relation between multiple camera, chooses arbitrarily a certain camera as preset reference camera;
Preset known orientation setting module, for setting default known orientation;
Deviation angle detection module, for utilizing described multiple camera shooting monitored object image, and detects described preset reference camera and departs from default known orientation angle;
True bearing determination module, for departing from relative bearing relation between described default known orientation angle, described default known orientation and described multiple camera according to described preset reference camera, determines each camera current direction.
7. the surveillance in identifiable design orientation according to claim 6, is characterized in that, also comprise:
Push display module, in described multiple camera shooting monitored object image, add the watermark information in the corresponding orientation of each camera respectively, and the image after process is pushed to user.
8. the supervision method in identifiable design orientation according to claim 7, is characterized in that, described propelling movement display module specifically comprises:
Watermark adding device, in described multiple camera shooting monitored object image, adds the watermark information in the corresponding orientation of each camera respectively, generates multiple view data carrying azimuth information respectively;
Push unit, for pushing to display device by described multiple view data carrying azimuth information by wireless transmission;
Display unit, for by described display device, shows user by described multiple view data carrying azimuth information.
9. the surveillance in the identifiable design orientation according to claim 6 or 7, it is characterized in that, described default known orientation setting module specifically for: by position sensor device, determine described default known orientation, wherein, described position sensor device comprises electronic compass.
10. the surveillance in the identifiable design orientation according to claim 6 or 7, is characterized in that, described deviation angle detection module specifically comprises:
Shooting unit, for utilizing described multiple camera, respectively to exceed the frequency shooting monitored object image of 30 frames per second;
Deviation angle detecting unit, for by angle detection device, detects described preset reference camera and departs from described default known orientation angle.
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| CN201410418137.9A CN104219496B (en) | 2014-08-22 | 2014-08-22 | The monitoring method and system in recognizable orientation |
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| CN201410418137.9A CN104219496B (en) | 2014-08-22 | 2014-08-22 | The monitoring method and system in recognizable orientation |
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