CN104869311A - Map-based intelligent holder monitoring method and system - Google Patents
Map-based intelligent holder monitoring method and system Download PDFInfo
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- CN104869311A CN104869311A CN201510254614.7A CN201510254614A CN104869311A CN 104869311 A CN104869311 A CN 104869311A CN 201510254614 A CN201510254614 A CN 201510254614A CN 104869311 A CN104869311 A CN 104869311A
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Abstract
The invention provides a map-based intelligent holder monitoring method. The method comprises following steps: 1. acquiring position coordinates and visual ranges of all holder cameras, calculating actual visual ranges of all the holder cameras with the cooperation of altitude data, and displaying the actual visual ranges on a GIS map; 2. selecting a target zone through the GIS map; 3. calculating three-dimensional coordinates of the target zone with the cooperation of the altitude data; 4. working out all the effective holder cameras capable of monitoring the target zone according to the three-dimensional coordinates of the target zone and the actual visual ranges of all the holder cameras, and acquiring position coordinates of the effective holder cameras; 5. calculating angle transformation values of the effective holder cameras according to the three-dimensional coordinates of the target zone and the position coordinates of the effective holder cameras, generating control commands, and sending the control commands to the effective holder cameras through a network; and 6. the effective holder cameras receiving and executing the control commands and rotating with angles corresponding to the angle transformation values, so that the target zone can be monitored.
Description
Technical field
The present invention relates to monitoring field, particularly a kind of intelligent console method for supervising and system.
Background technology
In traditional video surveillance applications, the mode mainly by intervening manually, controls the camera travel direction of the scope of authority.Under above-mentioned monitoring mode, when needs are retrieved for examination fast to a certain incident area video, just can seem not too convenient, need to search for from multiple monitoring resource, and then broadcasting is opened in click, if target is not in visual line of sight, also needs manually to adjust angle, make camera aim at the mark a little, its major defect when concrete enforcement is embodied in:
First: cannot determine which camera is target be positioned within sweep of the eye, need manually to estimate, search, poor accuracy.
Second: if target is at certain camera within sweep of the eye, but this camera current anon-normal to target time, need the direction of artificial adjustment The Cloud Terrace, complicated operation.
3rd: if need repeatedly to make an inspection tour certain region, need Artificial Control The Cloud Terrace to carry out back rotation, operate loaded down with trivial details equally.
Summary of the invention
For current defect, the invention provides the intelligent console method for supervising based on map and system.
Technical scheme of the present invention is as follows:
Based on the intelligent console method for supervising of map, comprising:
Step 1 obtains position coordinates and the visual range of all cradle head cameras, calculates the actual visual range of all cradle head cameras, and show in GIS map in conjunction with altitude data;
Step 2 is by GIS map selected target region;
Step 3 calculates the three-dimensional coordinate of target area in conjunction with altitude data;
Step 4 calculates all effective cradle head cameras that can monitor target area according to the three-dimensional coordinate of target area in conjunction with the actual visual range of all cradle head cameras, obtains the position coordinates of effective cradle head camera;
Step 5 calculates the angular transformation value of effective cradle head camera according to the position coordinates of the three-dimensional coordinate of target area and effective cradle head camera, generates control command, is sent to effective cradle head camera by network;
Step 6 effectively cradle head camera receives and performs control command, rotates respective angles, make it possible to monitor target area according to angular transformation value.
Preferred further, step 1 specifically comprises:
Obtain the position coordinates of all cradle head cameras, comprise longitude and latitude and the elevation of cradle head camera; Agreement is level 0 ° with direct north, and the horizontal angle span of cradle head camera is 0 ° ~ 360 °, and the angle of pitch span of cradle head camera is-45 ° ~ 45 °, obtains the visual range of cradle head camera;
The visual range of cradle head camera is superposed with altitude data, obtains the actual visual range of cradle head camera.
Preferred further, GIS map divides guarded region by different colours, and red area represents monitoring blind area, and green area represents can guarded region, the actual visual range of multiple cradle head camera can superpose mutually, obtains the guarded region that different colours represents.
Preferred further, in step 2, target area can be fixing point, line class region or Noodles region.
Preferred further, step 3 is specially:
If target area is fixing point, then in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of target area.
If target area is line class region, then line class region line is sampled, obtain multiple sampled point, respectively in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
If target area is Noodles region, then sampled in Noodles region, obtain multiple line class region, then by sampling to line class region, obtain multiple sampled point, respectively in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
Preferred further, in step 5, angular transformation value comprises level angle transformed value and the luffing angle transformed value of effective cradle head camera.
Preferred further, network comprises the one in cable network and wireless network.
The present invention also provides the intelligent console supervisory control system based on map, comprises server end, The Cloud Terrace photographing module and communication module;
Server end comprises:
Acquisition module, for obtaining position coordinates and the visual range of The Cloud Terrace photographing module;
Computing module, for calculating the actual visual range of The Cloud Terrace photographing module in conjunction with altitude data;
Chosen module, for passing through GIS map selected target region;
Computing module also for calculating all position coordinateses that can monitor effective The Cloud Terrace photographing module of target area according to the three-dimensional coordinate of target area in conjunction with the actual visual range of all The Cloud Terrace photographing modules, and calculates the angular transformation value of effective The Cloud Terrace photographing module according to the three-dimensional coordinate of target area and the position coordinates of effective The Cloud Terrace photographing module;
Control module, for generating control command according to angular transformation value;
Communication module is used for sending controling instruction to The Cloud Terrace photographing module;
The Cloud Terrace photographing module is used for receiving and performing control command, according to angular transformation value adjustment angle, makes it possible to monitor target area.
Preferred further, The Cloud Terrace photographing module is at least one.
Preferred further, communication module adopts cable network or wireless network.
Compared with prior art, invention has been following improvement:
(1) to target area accurate Calculation, obtain which The Cloud Terrace and can observe target area.
(2) automatically calculate the angle that The Cloud Terrace needs to rotate, directly control The Cloud Terrace and rotate, make the direct object observing region of The Cloud Terrace.
(3) target setting region, automatically controls The Cloud Terrace and rotates, reach and automatically make an inspection tour target area.
Advantage of the present invention is: according to GIS map target setting region, and automatically control cradle head camera adjustment, rapid lock onto target region, all cradle head cameras are monitored target area, have speed fast, advantage simple to operate.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the step schematic diagram of the intelligent console method for supervising that the present invention is based on map;
Fig. 2 is the cradle head camera visual range schematic diagram of the intelligent console method for supervising that the present invention is based on map;
The sample graph in Fig. 3 to be the intelligent console method for supervising target area that the present invention is based on map be Noodles region;
Fig. 4 is the intelligent console method for supervising cradle head camera horizontal angle schematic diagram that the present invention is based on map;
Fig. 5 is the intelligent console method for supervising cradle head camera angle of pitch schematic diagram that the present invention is based on map;
Fig. 6 is a specific embodiment of the intelligent console method for supervising that the present invention is based on map;
Fig. 7 is the intelligent console supervisory control system composition frame chart that the present invention is based on map;
Fig. 8 is that the intelligent console supervisory control system that the present invention is based on map comprises multiple The Cloud Terrace photographing module schematic diagram.
Drawing reference numeral:
100. server ends, 101. acquisition modules, 102. computing modules, 103. chosen module, 104. control modules, 200. communication modules, 300. The Cloud Terrace photographing modules.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, to those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the step schematic diagram of the intelligent console method for supervising that the present invention is based on map, and as a specific embodiment, as shown in Figure 1, the intelligent console method for supervising based on map comprises:
Step 1 obtains position coordinates and the visual range of all cradle head cameras, calculates the actual visual range of all cradle head cameras, and show in GIS map in conjunction with altitude data;
Step 2 is by GIS map selected target region;
Step 3 calculates the three-dimensional coordinate of target area in conjunction with altitude data;
Step 4 calculates all effective cradle head cameras that can monitor target area according to the three-dimensional coordinate of target area in conjunction with the actual visual range of all cradle head cameras, obtains the position coordinates of effective cradle head camera;
Step 5 calculates the angular transformation value of effective cradle head camera according to the position coordinates of the three-dimensional coordinate of target area and effective cradle head camera, generates control command, is sent to effective cradle head camera by network;
Step 6 effectively cradle head camera receives and performs control command, rotates respective angles, make it possible to monitor target area according to angular transformation value.
The present invention controls the orientation of cradle head camera by GIS map, the target area of cradle head camera is chosen by GIS map, in conjunction with the elevation of cradle head camera, the angle that cradle head camera should rotate is calculated by server, by network again to cradle head camera sending controling instruction, thus driving cradle head camera, turn to can monitoring objective region.
GIS map is a kind of computer based electronic chart software, and it can carry out treatment and analysis (being in brief, become figure and analysis to the phenomenon that the earth exists with event) to spatial information.GIS technology integrates the visualization effect of this for map uniqueness and geography-analysis function and general database manipulation (such as inquire about and statistical analysis etc.).
Concrete, step 1 specifically comprises:
Obtain the position coordinates of all cradle head cameras, comprise longitude and latitude and the elevation of cradle head camera; Agreement is level 0 ° with direct north, and the horizontal angle span of cradle head camera is 0 ° ~ 360 °, and the angle of pitch span of cradle head camera is-45 ° ~ 45 °, obtains the visual range of cradle head camera;
The visual range of cradle head camera is superposed with altitude data, obtains the actual visual range of cradle head camera.
GIS map divides guarded region by different colours, and red area represents monitoring blind area, and green area represents can guarded region, and bottle green region representation is that the actual visual range of at least two cradle head cameras is superimposed.
Concrete, in step 2, target area can be fixing point, line class region or Noodles region.
Concrete, step 3 is specially:
If target area is fixing point, then in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of target area.
If target area is line class region, then line class region line is sampled, obtain multiple sampled point, respectively in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
If target area is Noodles region, then sampled in Noodles region, obtain multiple line class region, then by sampling to line class region, obtain multiple sampled point, respectively in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
In step 5, angular transformation value comprises level angle transformed value and the luffing angle transformed value of effective cradle head camera.
Network comprises the one in cable network and wireless network.
The flow process of the intelligent console method for supervising based on map provided by the invention is set forth below with instantiation:
1. first Initialize installation is carried out to system, specifically comprises:
1.1 obtain the position coordinates of all cradle head cameras, i.e. the longitude and latitude xy of cradle head camera and elevation z, in typing server.
Concrete, the visual range of each cradle head camera is determined by horizontal angle (α) and the angle of pitch (β).In the present invention, about the agreement of the horizontal angle of cradle head camera: be 0 ° with direct north, span is 0 ° ~ 360 °; Agreement about the angle of pitch: be 0 ° with horizontal plane, span is-45 ° ~ 45 °.Figure 2 shows that the visual range schematic diagram of cradle head camera, as shown in Figure 2, wherein light grey dash area is the visual range of cradle head camera.
The visual range of each cradle head camera superposes with the altitude data in GIS map by 1.2 respectively, obtains the visual range of each cradle head camera reality.Concrete grammar: take cradle head camera as round dot, send ray, superpose with altitude data in all visual ranges, when ray and altitude data have common factor, then think that first intersection point is visible, and the ray extended line after first intersection point is invisible.
The actual visual range of cradle head camera is placed in GIS map by 1.3, GIS map divides guarded region by different colours, red area represents monitoring blind area, green area represents can guarded region, the actual visual range of multiple described cradle head camera can superpose mutually, obtains the guarded region that different colours represents.
2. the selected target area needing monitoring in GIS map, target area can be a fixing point, a line class region, or a Noodles region.
3. server obtains the three-dimensional coordinate of target area:
If target area is a fixing point, then in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of target location.
If target area is a line class region, then in some way this line being sampled, as obtained a sampled point every 100 meters, obtaining multiple sampled point, respectively in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
If target area is a Noodles region, then in some way this Noodles domain mode is sampled, being illustrated in figure 3 target area in the present invention is the sample graph in Noodles region, as shown in Figure 3, be that concentric circles is drawn in the center of circle with cradle head camera, concentrically ringed radius increases in units of 100 meters, then the concentric circles curve in target Noodles region is obtained, again by sampling to concentric circles curve, obtain multiple sampled point, respectively in conjunction with the altitude data of GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
4. server can calculate according to the three-dimensional coordinate of target location and demonstrate all cradle head cameras that can monitor target location.
5. according to the three-dimensional coordinate of target location and current all can the position coordinates of effective cradle head camera in monitoring objective region, calculate the required angular transformation value of rotating of each effective cradle head camera respectively, comprise horizontal angle and the angle of pitch.Circular is as follows:
If the position coordinates of cradle head camera is A (x1, y1, z1), target area is fixing point B (x2, y2, z2), make cradle head camera monitoring objective region B by the angle of pitch (β) and horizontal angle (α) adjusting cradle head camera.
As shown in Figure 4, horizontal angle α obtains in horizontal plane (plane that xy axle and initial point form):
As shown in Figure 5, obtain in the plane that angle of pitch β forms at AB and initial point:
Wherein, the z1 coordinate of A point and B point z2 coordinate calculate by the longitude and latitude of AB 2 is crossing with digital elevation data (DEM).
If look from the position coordinates A (x1, y1, z1) of cradle head camera to target area B (x2, y2, z2), sight line is blocked by barrier (such as massif), and now target area is invisible.Concrete determination methods is: as shown in Figure 6, and AB 2 is linked to be a line segment, if this line segment has intersection point C after superposing with altitude data, can think that B point is invisible.
6. control cradle head camera by network (wired or wireless network is fitted and needed and determine) sending controling instruction, make all cradle head cameras all can monitor target area.
Fig. 7 is the composition frame chart of the intelligent console supervisory control system that the present invention is based on map, as a specific embodiment, as shown in Figure 7, the present invention also provides the intelligent console supervisory control system based on map, comprise server end 100, The Cloud Terrace photographing module 300 and communication module 200;
Server end 100 comprises:
Acquisition module 101, for obtaining position coordinates and the visual range of The Cloud Terrace photographing module 300;
Computing module 102, for calculating the actual visual range of The Cloud Terrace photographing module 300 in conjunction with altitude data;
Chosen module 103, for passing through GIS map selected target region;
Computing module 102 also for calculating all position coordinateses that can monitor effective The Cloud Terrace photographing module 300 of target area according to the three-dimensional coordinate of target area in conjunction with the actual visual range of all The Cloud Terrace photographing modules 300, and calculates the angular transformation value of effective The Cloud Terrace photographing module 300 according to the three-dimensional coordinate of target area and the position coordinates of effective The Cloud Terrace photographing module 300;
Control module 104, for generating control command according to angular transformation value;
Communicator is used for sending controling instruction to The Cloud Terrace photographing module 300;
The Cloud Terrace photographing module 300, for receiving and performing control command, according to angular transformation value adjustment angle, makes it possible to monitor target area.
Concrete, Figure 8 shows that the intelligent console supervisory control system that the present invention is based on map comprises multiple The Cloud Terrace photographing module schematic diagram, wherein The Cloud Terrace photographing module 300 is at least one, is arranged in monitoring area respectively.The Cloud Terrace photographing module 300 is connected by network with server, and communication mode can comprise wired, wireless etc.
Server end 100 is configured with corresponding software, for recording the longitude and latitude of each The Cloud Terrace photographing module 300, then calculating the longitude and latitude of target area, calculating the angular transformation value of The Cloud Terrace photographing module 300 needs rotation.
Introduce the course of work of lower intelligent console photographing module 300 supervisory control system based on map provided by the invention below in detail:
First, obtained position coordinates and the visual range of The Cloud Terrace photographing module 300 by acquisition module 101, computing module 102 calculates the actual visual range of The Cloud Terrace photographing module 300 in conjunction with altitude data.
Then, chosen module 103 is by GIS map selected target region, computing module 102 calculates all position coordinateses that can monitor effective The Cloud Terrace photographing module 300 of target area according to the three-dimensional coordinate of target area in conjunction with the actual visual range of all The Cloud Terrace photographing modules 300, and calculates effective The Cloud Terrace photographing module 300 according to the three-dimensional coordinate of target area and the position coordinates of effective The Cloud Terrace photographing module 300 and the position in monitoring objective region can need the angular transformation value of adjustment.
Control module 104 generates the control command controlling The Cloud Terrace photographing module 300 and rotate according to angular transformation value, be sent to The Cloud Terrace photographing module 300 by communicator.
The Cloud Terrace photographing module 300 receives and performs control command, according to angular transformation value adjustment angle, makes it to monitor target area.
Obviously, those skilled in the art can carry out various change and distortion to the present invention, and does not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention belong within the scope of the claims in the present invention and equivalent technology thereof, then the present invention is also intended to comprise these changes and distortion.
Claims (10)
1., based on the intelligent console method for supervising of map, it is characterized in that, comprising:
Step 1 obtains position coordinates and the visual range of all cradle head cameras, calculates the actual visual range of described all cradle head cameras, and show in GIS map in conjunction with altitude data;
Step 2 is by GIS map selected target region;
Step 3 calculates the three-dimensional coordinate of described target area in conjunction with described altitude data;
Step 4 calculates all effective cradle head cameras that can monitor described target area according to the three-dimensional coordinate of described target area in conjunction with the actual visual range of described all cradle head cameras, obtains the position coordinates of effective cradle head camera;
Step 5 calculates the angular transformation value of described effective cradle head camera according to the position coordinates of the three-dimensional coordinate of described target area and described effective cradle head camera, generates control command, is sent to described effective cradle head camera by network;
Described in step 6, effective cradle head camera receives and performs described control command, rotates respective angles, make it possible to monitor described target area according to described angular transformation value.
2., as claimed in claim 1 based on the intelligent console method for supervising of map, it is characterized in that:
Described step 1 specifically comprises:
Obtain the position coordinates of all described cradle head cameras, comprise longitude and latitude and the elevation of described cradle head camera; Agreement is level 0 ° with direct north, and the horizontal angle span of described cradle head camera is 0 ° ~ 360 °, and the angle of pitch span of described cradle head camera is-45 ° ~ 45 °, obtains the visual range of cradle head camera;
The visual range of described cradle head camera is superposed with described altitude data, obtains the actual visual range of described cradle head camera.
3., as claimed in claim 2 based on the intelligent console method for supervising of map, it is characterized in that:
GIS map divides guarded region by different colours, and red area represents monitoring blind area, and green area represents can guarded region, and the actual visual range of multiple described cradle head camera can superpose mutually, obtains the guarded region that different colours represents.
4., as claimed in claim 1 based on the intelligent console method for supervising of map, it is characterized in that:
Target area described in described step 2 can be fixing point, line class region or Noodles region.
5., as claimed in claim 4 based on the intelligent console method for supervising of map, it is characterized in that:
Described step 3 is specially:
If target area is fixing point, then in conjunction with the altitude data of described GIS map, obtain the three-dimensional coordinate of target area.
If target area is line class region, then described line class region line is sampled, obtain multiple sampled point, respectively in conjunction with the altitude data of described GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
If target area is Noodles region, then sampled in described Noodles region, obtain multiple line class region, again by sampling to described line class region, obtain multiple sampled point, respectively in conjunction with the altitude data of described GIS map, obtain the three-dimensional coordinate of all sampled points in target area.
6., as claimed in claim 2 based on the intelligent console method for supervising of map, it is characterized in that:
Angular transformation value described in described step 5 comprises level angle transformed value and the luffing angle transformed value of described effective cradle head camera.
7., as claimed in claim 6 based on the intelligent console method for supervising of map, it is characterized in that:
Described network comprises the one in cable network and wireless network.
8. based on the intelligent console supervisory control system of map, comprise server end, The Cloud Terrace photographing module and communication module, is characterized in that:
Described server end comprises:
Acquisition module, for obtaining position coordinates and the visual range of described The Cloud Terrace photographing module;
Computing module, for calculating the actual visual range of described The Cloud Terrace photographing module in conjunction with altitude data;
Chosen module, for passing through GIS map selected target region;
Described computing module also for calculating all position coordinateses that can monitor effective The Cloud Terrace photographing module of described target area according to the three-dimensional coordinate of described target area in conjunction with the actual visual range of described all The Cloud Terrace photographing modules, and calculates the angular transformation value of described effective The Cloud Terrace photographing module according to the three-dimensional coordinate of described target area and the position coordinates of described effective The Cloud Terrace photographing module;
Control module, for generating control command according to described angular transformation value;
Described communication module is for sending described control command to described The Cloud Terrace photographing module;
Described The Cloud Terrace photographing module is used for receiving and performing described control command, according to described angular transformation value adjustment angle, makes it possible to monitor described target area.
9. the described intelligent console supervisory control system based on map as claimed in claim 8, is characterized in that: described The Cloud Terrace photographing module is at least one.
10. the described intelligent console supervisory control system based on map as claimed in claim 9, is characterized in that: described communication module adopts cable network or wireless network.
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