CN110475099A - Monitoring method, computer storage medium and the electronic equipment of three-dimensional live map - Google Patents
Monitoring method, computer storage medium and the electronic equipment of three-dimensional live map Download PDFInfo
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- CN110475099A CN110475099A CN201910672361.3A CN201910672361A CN110475099A CN 110475099 A CN110475099 A CN 110475099A CN 201910672361 A CN201910672361 A CN 201910672361A CN 110475099 A CN110475099 A CN 110475099A
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- Prior art keywords
- point
- video monitoring
- sentinel
- instruction
- interpolation
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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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The present invention provides a kind of monitoring method for taking the photograph three-dimensional live map, the described method comprises the following steps: S1, acquisition check the observation viewpoint of the video monitoring picture of three-dimensional live map, and record location information and posture information of the observation viewpoint when checking the video monitoring picture and form Sentinel point；S2, the first instruction is received, and checks the video monitoring picture of one of Sentinel point according to the first instruction；S3, the first instruction of response, make observation viewpoint move to one of Sentinel point, and choose and play video monitoring picture based on video monitoring equipment video monitoring equipment optimal at a distance from observation viewpoint.The monitoring method of three-dimensional live map according to an embodiment of the present invention, the real-time code stream broadcasting pictures that the optimal distance based on video monitoring equipment and observation viewpoint selects different video monitoring equipment easily can be chosen automatically with the movement of observation viewpoint by Sentinel point function, user is allowed to understand current video picture spatial information in a manner of more intuitive solid.
Description
Technical field
The present invention relates to the safety-security area of video monitoring, more particularly, to a kind of three-dimensional live map monitoring method,
Computer storage medium and electronic equipment.
Background technique
In field of video monitoring, when thinking to check multiple video camera real time monitoring video pictures simultaneously, it usually needs pass through
Operator carries out the subjective form typesetting according to 2*2,2*4,3*3 on two-dimensional surface to multiple real time monitoring video pictures
It shows simultaneously.In practical applications, when wanting to carry out comprehensive safety monitoring to the atural object situation in certain area coverage, substantially
It is implemented by the following steps:
Firstly the need of based on camera apparatus title (based on the name of the geography information such as equipment region) search corresponding region reason
Think the camera apparatus in orientation；Then the camera apparatus for opening desirable orientation in monitoring area one by one carries out real-time code stream and broadcasts
It puts, while certain typesetting is carried out to video based on equipment geography information orientation or security protection demand, while aobvious in two-dimensional surface
It shows and comes (as shown in Fig. 1).
Existing operation has following defects that the operation is needed to be opened camera apparatus manually based on search form and plays code
Stream, while it being limited to picture typesetting number, extensive area video image information can not be detected simultaneously, need artificially to adjust switching
Video pictures；Multiple video monitoring picture contact details are deficient, can not intuitively embody the space letter of multiple video monitoring pictures
Breath associates the true geographical location of monitor video picture based on the memory of user.
Summary of the invention
In view of this, monitoring method, computer storage medium and electronics that the present invention provides a kind of three-dimensional live map are set
It is standby, suitable video monitoring picture can be played automatically with the movement of observation viewpoint, it is easy to use.
In order to solve the above technical problems, on the one hand, the present invention provides a kind of monitoring method of three-dimensional live map, the side
Method is the following steps are included: S1, acquisition check the observation viewpoint of the video monitoring picture of three-dimensional live map, and record the observation
Location information and posture information of the viewpoint when checking the video monitoring picture form Sentinel point；S2, the first instruction, and root are received
The video monitoring picture of one of Sentinel point is checked according to first instruction；S3, response first instruction, regard the observation
Point moves to one of Sentinel point, and chooses the video monitoring optimal at a distance from the observation viewpoint based on video monitoring equipment
Device plays video monitoring picture.
The monitoring method of three-dimensional live map according to an embodiment of the present invention, can be easily with sight by Sentinel point function
Automatic choose of movement for examining viewpoint selects different video monitoring equipment based on video monitoring equipment and the optimal distance of observation viewpoint
Real-time code stream broadcasting pictures, and based on multiple Sentinel point setting patrol path have higher operability and on a large scale
Deployment is monitored to multiple camera apparatus in three-dimensional live map, while multiple camera apparatus can be reinforced and regarded in real time
The spatial perception ability of frequency content allows user to understand current video picture spatial information in a manner of more intuitive solid.
According to some embodiments of the present invention, in step sl, the Sentinel point includes one or more.
According to some embodiments of the present invention, in step sl, the Sentinel point includes multiple, the step S1 further include:
Multiple Sentinel point are sorted clockwise or counterclockwise, and the two neighboring Sentinel point successively joins end to end, to multiple institutes
It states Sentinel point and carries out path point interpolation calculation, obtain interpolation path.
According to some embodiments of the present invention, carry out path point interpolation calculation method be point-to-point transmission linear interpolation algorithm,
Second order Bezier algorithm, three rank Bezier algorithms or Splines Interpolation Curve algorithm.
According to some embodiments of the present invention, in step s3, the observation viewpoint is made to move to it by interpolation algorithm
In a Sentinel point.
According to some embodiments of the present invention, the interpolation algorithm is point-to-point transmission linear interpolation algorithm, second order Bezier song
Line algorithm, three rank Bezier algorithms or Splines Interpolation Curve algorithm.
Second aspect, the embodiment of the present invention provide a kind of computer storage medium, including one or more computer instruction,
One or more computer instruction realizes the method as described in above-described embodiment when being executed.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, including memory and processor, and the memory is used
In storing one or more computer instruction；The processor is used to calling and executing one or more computer instruction,
To realize the method as described in above-described embodiment.
Detailed description of the invention
Fig. 1 is the schematic diagram for carrying out typesetting to video in the prior art and showing in two-dimensional surface；
Fig. 2 is the flow chart of the monitoring method of the three-dimensional live map of the embodiment of the present invention；
Fig. 3 is the schematic diagram of Sentinel point acquisition in the monitoring method of the three-dimensional live map of the embodiment of the present invention；
Fig. 4 is the schematic diagram of difference arithmetic in the monitoring method of the three-dimensional live map of the embodiment of the present invention；
Fig. 5 is the schematic diagram of fitting algorithm in the monitoring method of the three-dimensional live map of the embodiment of the present invention；
Fig. 6 is the Sentinel point application schematic diagram in the monitoring method of the three-dimensional live map of the embodiment of the present invention；
Fig. 7 is the schematic diagram of the electronic equipment of the embodiment of the present invention.
Appended drawing reference:
Electronic equipment 300；
Memory 310；Operating system 311；Application program 312；
Processor 320；Network interface 330；Input equipment 340；Hard disk 350；Show equipment 360.
Specific embodiment
Below in conjunction with drawings and examples, specific embodiments of the present invention will be described in further detail.Following reality
Example is applied for illustrating the present invention, but is not intended to limit the scope of the invention.
The monitoring method of three-dimensional live map according to an embodiment of the present invention is specifically described in conjunction with attached drawing first below.
As shown in Figure 1, the monitoring method of three-dimensional live map according to an embodiment of the present invention the following steps are included:
S1, acquisition check the observation viewpoint of the video monitoring picture of three-dimensional live map, and record the observation viewpoint and exist
Check that location information and posture information when the video monitoring picture form Sentinel point.
S2, the first instruction is received, and checks the video monitoring picture of one of Sentinel point according to first instruction.
S3, response first instruction, make the observation viewpoint move to one of Sentinel point, and choose and supervise based on video
It controls equipment video monitoring equipment optimal at a distance from the observation viewpoint and plays video monitoring picture.
In other words, it in three-dimensional live map, in order to check multiple monitoring real time monitoring video pictures in region, needs
The information for acquiring the monitor video viewing angle checked as fixed point forms Sentinel point, and carries out three for different and discrete Sentinel point
When tieing up the observation viewpoint switch of scene, need to define continuous and smooth interpolation curve Sentinel point discrete as two
The path of gliding smoothing transition.In order to fit a smooth interpolation curve between two Sentinel point as Sentinel point mobile handoff
Path can use the monitoring method of three-dimensional live map proposed by the invention.
The monitoring method of three-dimensional live map according to an embodiment of the present invention is specifically as follows: firstly, being based on three-dimensional live
Map scene observes viewpoint, records location information and posture information of the observation viewpoint when checking video camera real-time video picture
Formed Sentinel point, then, receive first instruction, the instruction for checking the real-time video monitoring picture of one of Sentinel point, finally,
In response to first instruction, use interpolation algorithm that point of observation is made to move to the Sentinel point, and choose and be based on camera apparatus
Real-time video code stream broadcasting is carried out with the camera apparatus of the optimal distance of observation viewpoint, realizes the real-time prison of three-dimensional live map
Control.
Wherein it should be noted that in the present invention, choosing based on video monitoring equipment at a distance from the observation viewpoint
Optimal video monitoring equipment refers to that selection observation viewpoint regards at a distance from video monitoring equipment with the observation of video monitoring equipment
Take into account optimal video monitoring equipment in both angles, that is to say, that full apart from the optimal observation visual angle referred in video monitoring equipment
On the basis of the observation of foot observation viewpoint requires, the nearest video monitoring equipment at a distance from observation viewpoint.Because running
Cheng Zhong, it is possible to observe viewpoint move to some Sentinel point position when, the observation visual angle of the video camera nearest apart from the Sentinel point with
The observation visual angle of Sentinel point needs to search again at this time nearby that another observation visual angle is more on the contrary, cause view result bad
Good camera apparatus is checked.
The monitoring method of three-dimensional live map according to an embodiment of the present invention as a result, can be convenient and fast by Sentinel point function
The optimal distance selection different video prison based on video monitoring equipment and observation viewpoint is chosen as the movement of observation viewpoint is automatic
The real-time code stream broadcasting pictures of equipment are controlled, and the patrol path based on the setting of multiple Sentinel point is with higher operability and greatly
Range is monitored deployment to multiple camera apparatus in three-dimensional live map, while can reinforce multiple camera apparatus
The spatial perception ability of Real-time video content allows user to understand that current video picture space is believed in a manner of more intuitive solid
Breath.
According to one embodiment of present invention, in step sl, the Sentinel point includes one or more.When the Sentinel point is
When multiple, the step S1 further include: multiple Sentinel point are sorted clockwise or counterclockwise, and the two neighboring whistle
Point successively joins end to end, and carries out path point interpolation calculation to multiple Sentinel point, obtains interpolation path (as shown in Figure 3).Wherein,
The method for carrying out path point interpolation calculation can be point-to-point transmission linear interpolation algorithm, second order Bezier algorithm, three rank Bei Sai
That curved line arithmetic or Splines Interpolation Curve algorithm.
That is, in the present invention, the Sentinel point can be one or more, when the Sentinel point is multiple, to the whistle
Point data is sorted clockwise or counter-clockwise, carries out head and the tail connection, between Sentinel point then with point-to-point transmission linear interpolation algorithm
Or second order Bezier algorithm, three rank Bezier algorithms, Splines Interpolation Curve scheduling algorithm carry out path point interpolation meter
It calculates, it is hereby achieved that a smooth interpolation path based on position between Sentinel point and posture, because of the interpolation generated by curve
The curvature of the adjustable curved path in path, so having smoother, patrol path using the interpolation path generated based on curve
The strong advantage of editability.
In certain specific embodiments of the invention, in step s3, transport the observation viewpoint by interpolation algorithm
It moves to Sentinel point described in one of them, realizes that the process of Sentinel point application is as shown in Figure 6 by interpolation algorithm.Wherein, the interpolation is calculated
Method is that point-to-point transmission linear interpolation algorithm, second order Bezier algorithm, three rank Bezier algorithms or Splines Interpolation Curve are calculated
Method.The effect of point-to-point transmission linear interpolation algorithm is as shown in figure 4, second order Bezier algorithm, three rank Bezier algorithms, sample
The effect of the fitting algorithms such as interpolation curve is as shown in Figure 5.
Three rank Bezier algorithms are as follows:
B (t)=P0(1-t)3+3P1t(1-t)2+3P2t2(1-t)+P3t3, t ∈ [0,1]
Wherein, tetra- points of P0, P1, P2, P3 define cube Bezier curve in plane or in three dimensions.Curve rises
It starts from P0 and moves towards P1, and come P3 from the direction of P2.Generally without going past P1 or P2；The two points only provide direction there
Information.Spacing between P0 and P1 determines that curve is transferring to become into before P3, moves towards " length how long have " in the direction P2；By
The continuous and smooth intensive interpolation path point that curved line arithmetic fitting generates makes to observe in viewpoint motion process more towards smooth
It is transitioned into Sentinel point orientation.
To sum up, the monitoring method of three-dimensional live map according to an embodiment of the present invention, in three-dimensional live map, base
Melt in the true geographical location mapping techniques and live video stream of three-dimensional map in three-dimensional live map is seamless in camera apparatus
Conjunction technology, the real-time video code stream that correct corresponding region can be automatically selected by observing the switching of viewpoint play；Lead to simultaneously
The customization Sentinel point information in three-dimensional live map is crossed, realizes and different balls is checked to switching different monitoring region in three-dimensional live region
The real time monitoring picture of machine equipment；It is combined into patrol path by multiple Sentinel point information that link, it can be in three-dimensional live map
The monitoring of this multiple camera apparatus real-time pictures of extensive area, accomplishes the security protection control to monitoring informations all in region.
In addition, the computer storage medium includes one or more the present invention also provides a kind of computer storage medium
Computer instruction, one or more computer instruction realize the prison of any of the above-described three-dimensional live map when being executed
Prosecutor method.
That is, the computer storage medium is stored with computer program, the computer program is transported by processor
When row, so that the processor executes the monitoring method of any of the above-described three-dimensional live map.
As shown in fig. 7, the embodiment of the invention provides a kind of electronic equipment 300, including memory 310 and processor 320,
The memory 310 is for storing one or more computer instruction, and the processor 320 is for calling and executing described one
Or a plurality of computer instruction, to realize any of the above-described method.
That is, electronic equipment 300 includes: processor 320 and memory 310, it is stored in the memory 310
Computer program instructions, wherein when the computer program instructions are run by the processor, so that the processor 320
Execute any of the above-described method.
Further, as shown in fig. 7, electronic equipment 300 further include network interface 330, input equipment 340, hard disk 350,
With display equipment 360.
It can be interconnected by bus architecture between above-mentioned each interface and equipment.It may include any that bus architecture, which can be,
The bus and bridge of the interconnection of quantity.One or more central processing unit (CPU) specifically represented by processor 320, Yi Jiyou
The various circuit connections for one or more memory that memory 310 represents are together.Bus architecture can also will be such as outer
Peripheral equipment, voltage-stablizer are together with the various other circuit connections of management circuit or the like.It is appreciated that bus architecture is used
Connection communication between these components of realization.Bus architecture further includes power bus, controls always in addition to including data/address bus
Line and status signal bus in addition, these are all it is known in the art, therefore is no longer described in greater detail herein.
The network interface 330 can connect to network (such as internet, local area network), dependency number obtained from network
According to, and can be stored in hard disk 350.
The input equipment 340, can receive operator input various instructions, and be sent to processor 320 for
It executes.The input equipment 340 may include keyboard or pointing device (for example, mouse, trace ball (trackball), sense of touch
Plate or touch screen etc..
The display equipment 360, the result that processor 320 executes instruction acquisition can be shown.
The memory 310, program necessary to running for storage program area and data and processor 320 are counted
The data such as the intermediate result during calculation.
It is appreciated that the memory 310 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (ROM),
Programmable read only memory (PROM), Erasable Programmable Read Only Memory EPROM (EPROM), electrically erasable programmable read-only memory
(EEPROM) or flash memory.Volatile memory can be random access memory (RAM), be used as External Cache.Herein
The memory 310 of the device and method of description is intended to include but is not limited to the memory of these and any other suitable type.
In some embodiments, memory 310 stores following element, executable modules or data structures, or
Their subset of person or their superset: operating system 311 and application program 312.
Wherein, operating system 311 include various system programs, such as ccf layer, core library layer, driving layer etc., for real
Existing various basic businesses and the hardware based task of processing.Application program 312 includes various application programs, such as browser
(Browser) etc., for realizing various applied business.Realize that the program of present invention method may be embodied in application program
In 312.
The method that the above embodiment of the present invention discloses can be applied in processor 320, or be realized by processor 320.
Processor 320 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 320 or the instruction of software form.Above-mentioned processing
Device 320 can be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array
(FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components, may be implemented or
Person executes disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or
Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be straight
Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed
At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can
In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 310, and processor 320 is read
Information in access to memory 310, in conjunction with the step of its hardware completion above method.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuits (ASIC), number letter
Number processor DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), general processor, controller, microcontroller, microprocessor, other electronics lists for executing herein described function
In member or combinations thereof.
For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein
The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or
It is realized outside processor.
Specifically, processor 320 is also used to read the computer program, executes any of the above-described method.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be through some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes receiving/transmission method described in each embodiment of the present invention
Part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. are various can store
The medium of program code.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of monitoring method of three-dimensional live map, which comprises the following steps:
S1, acquisition check the observation viewpoint of the video monitoring picture of three-dimensional live map, and record the observation viewpoint and check
Location information and posture information when the video monitoring picture form Sentinel point；
S2, the first instruction is received, and checks the video monitoring picture of one of Sentinel point according to first instruction；
S3, response first instruction, make the observation viewpoint move to one of Sentinel point, and choose and set based on video monitoring
Standby optimal video monitoring equipment at a distance from the observation viewpoint plays video monitoring picture.
2. the method according to claim 1, wherein in step sl, the Sentinel point includes one or more.
3. the method according to claim 1, wherein in step sl, the Sentinel point includes multiple, the step
S1 further include: multiple Sentinel point are sorted clockwise or counterclockwise, and the two neighboring Sentinel point successively joins end to end,
Path point interpolation calculation is carried out to multiple Sentinel point, obtains interpolation path.
4. according to the method described in claim 3, it is characterized in that, the method for carrying out path point interpolation calculation is point-to-point transmission straight line
Interpolation algorithm, second order Bezier algorithm, three rank Bezier algorithms or Splines Interpolation Curve algorithm.
5. the method according to claim 1, wherein in step s3, regarding the observation by interpolation algorithm
Point moves to one of them described Sentinel point.
6. according to the method described in claim 5, it is characterized in that, the interpolation algorithm is point-to-point transmission linear interpolation algorithm, two
Rank Bezier algorithm, three rank Bezier algorithms or Splines Interpolation Curve algorithm.
7. a kind of computer storage medium, which is characterized in that including one or more computer instruction, one or more meter
The method as described in any one of claim 1-6 is realized in the instruction of calculation machine when being executed.
8. a kind of electronic equipment, including memory and processor, which is characterized in that
The memory is for storing one or more computer instruction；
The processor is for calling and executing one or more computer instruction, to realize as in claim 1-6
Described in any item methods.
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Application publication date: 20191119 |
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