CN109489636A - A kind of real-time acquisition system of mapping operation and acquisition method - Google Patents
A kind of real-time acquisition system of mapping operation and acquisition method Download PDFInfo
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- CN109489636A CN109489636A CN201811224859.5A CN201811224859A CN109489636A CN 109489636 A CN109489636 A CN 109489636A CN 201811224859 A CN201811224859 A CN 201811224859A CN 109489636 A CN109489636 A CN 109489636A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
Abstract
The invention belongs to technical field of mapping, disclose a kind of real-time acquisition system of mapping operation, the real-time acquisition system of the mapping operation and acquisition method, comprising: photographing module, measurement module, locating module, main control module, tilt correction module, news file processing module, data memory module, display module.The entire revised accurate position coordinates of surveying instrument tilt quantity are calculated by tilt correction module in the present invention, it can solve the influence of GEOMAGNETIC CHANGE and magnetic interference to surveying instrument slope correction precision in this way, improve slope correction precision, service efficiency and the practical precision of surveying instrument；Meanwhile being associated with file type model with data type model foundation by news file processing module, building forms file data model.During file data model construction, it can promptly construct file type model and data Type model forms archives the library, can also support the customization and extension of the tables of data of file store.
Description
Technical field
The invention belongs to technical field of mapping more particularly to a kind of real-time acquisition system of mapping operation and acquisition methods.
Background technique
Mapping science be study geography information acquisition, processing, description and application a science.Its content includes: research
Measurement, shape, size, gravitational field, surface configuration and their various change for describing the earth, determine nature and artifact
Body, the spatial position of Artificial facilities and attribute are made various maps (containing topographic map) and establish system for information about.Modern Surveying & Mapping
The certain applications of technology are on other planets and the moon.Mapping science is of wide application.In rural and urban construction plans, territory
In the work such as reasonable utilization, the development of agriculture, forestry, animal husbandry and fishery, environmental protection and the cadastral survey manual of resource, it is necessary to carry out land survey
With mapping various types, various scale bars map, for planning and managing use.Geological prospecting, mineral exploration and exploitation, water conservancy,
In the developments of the national economy such as traffic, then control measurement, mining survey and route survey must be carried out, and with surveying and drawing large scale
Figure, so that geologic prospecting and the construction of various Building Designs are used.In national defense construction, in addition to providing military map for military operation
Outside, to be also the accuracy of the arm discharges such as the rapid positioning and the guided missile that guarantee artillery shooting, provide accurate geocentric coordinates and
Accurate terrestrial gravitation field data.In research earth movements state aspect, mapping science provides Geotectonic Movement and geodynamic
Geological information solves the problems, such as earth interior locomotory mechanism in conjunction with geophysical research achievement.However, tradition mapping is made
The surveying instrument that industry uses measures that need to adjust measuring rod vertical every time, measures time-consuming big, and measurement efficiency is low, due to the weight of surveyor
Multiple operation is inaccurate it is easy to appear leveling with fatigue, so that measurement accuracy degradation is made to influence the precision of engineering construction
At the serious waste of manpower and material resources；Meanwhile archive of surveying and mapping data are carried out to build library still according to data content itself, lack mould
The support of type, development amount is very big, and the attribute of archive of surveying and mapping data and spatial information separation storage, data extract and
Effect is bad on integration exhibition.
In conclusion problem of the existing technology is:
The surveying instrument that uses of tradition mapping operation measure that need to adjust measuring rod vertical every time, measures time-consuming big, and measurement is imitated
Rate is low, and it is easy to appear leveling to be not allowed for the repetitive operation and fatigue due to surveyor, so that measurement accuracy degradation, thus shadow
The precision for ringing engineering construction, causes the serious waste of manpower and material resources；Meanwhile to archive of surveying and mapping data still according to data content
It itself carries out building library, lacks the support of model, development amount is very big, and the attribute of archive of surveying and mapping data and spatial information point
From storage, extracted in data bad with effect on integration exhibition.
In the prior art, the poor in image definition of image pick-up device acquisition, surveying instrument measure target position, range data information not
Accurately, the application of mapping operation is affected.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of real-time acquisition system of mapping operation and acquisition sides
Method.
The invention is realized in this way a kind of mapping operation real-time collecting method, the mapping operation real-time collecting method
It include: to utilize image pick-up device acquisition mapping destination image data information；Using the method for statistics, 8 are extracted from target HRRP
It can reflect the characteristic attribute of target geometry information, comprising: equivalent scattering center dimension, equivalent target size, entropy, standard
The sum of difference, deviation, degree of irregularity, echo power and power of several preceding most strong scattering points account for the ratio of general power；According to
Certain mode gets up multiple single characteristic synthetics, obtains 7 new comprehensive characteristics；Be respectively adopted single feature and comprehensive characteristics into
Row image pick-up device target identification assesses the validity of each feature using the HRRP data of actual measurement；
The definition of 8 characteristic attributes and calculation method specifically include:
1) equivalent scattering center dimension is defined as:
Wherein,xiFor the mean value of target HRRP, U () is unit jump function, it may be assumed that
2) equivalent target size is defined as:
Tsize=Lk (Nscatterer)-Lk(1)；
Wherein, Lk=i | xi >=mk, i=1,2 ..., NscattererIndicate target HRRP in be more than mean value distance unit
Position sequence；
3) entropy feature is defined as:
Wherein, log2 () is natural logrithm；Indicate the result that target HRRP is carried out to amplitude normalization, it may be assumed that
4) standard deviation is defined as:
5) deviation is defined as:
6) degree of irregularity is defined as:
7) echo power is defined as:
8) target HRRP sequence is ranked up from big to small according to amplitude size, the HRRP sequence after sequence are as follows: Yk=
[y1, y2 ..., yN], then preceding m, the sum of the power of (m≤N) a strongest scattering point account for the ratio of general power is defined as:
Target position, range data information are measured using surveying instrument；In measurement target position, range data information, specifically
Have:
Step 1, the super node S of group A is randomly to klog around in the internet that surveying instrument utilizes2N number of mass-sending
Group load requests message is sent, the klog is obtained2N number of group of load information, and by calculating this klog2N number of group of load
Average value loads Load to estimate the group mean of current entire HP2P networkavg, wherein k is one in section [1, N/log2N]
The integer of value, N are the number of group in network；
Step 2, if group A present load Load > γ Loadavg, and two groupuscule interior joint numbers that group splits into are equal
Greater than HP2P network group low-bound of node number, then the group is split into two groups, wherein γ is a real number greater than 1, HP2P
This execution of the method for load balance terminates between network group；Otherwise step 3 is gone to；
Step 3, construct HP2P network in Chord ring, group A to its forerunner group and subsequent pocket transmission load requests message, from
And the current load situation of forerunner group and subsequent group is obtained, wherein forerunner group is before peeling off A in HP2P network C hord ring recently
One group, subsequent group are the A nearest the latter group that peels off in HP2P network C hord ring；
Step 4, if group A present load Load > LoadavgStep 5 is then gone to, if Load < LoadavgThen go to
Step 8；Otherwise the method execution of load balance terminates between HP2P network group；
Step 5, if group A loads Load >=Loadlight/ (1-2 β), then reduce β for own load, wherein β is one
A real number in section (0,0.5) value, and go to step 6；Otherwise step 8 is gone to；Wherein LoadlightFor the forerunner of this group
The load of lesser group is loaded in group and subsequent group；
Step 6, if LoadlightFor the load of the forerunner group of group A, then group A notifies its forerunner that group is suitable along Chord ring
Hour hands are mobile, and mobile address space length is (Load-Loadlight) × Length/ (2 × Load), and will corresponding first number
According to being transferred in forerunner group, this execution of the method for load balance terminates between HP2P network group, and wherein Length is that group A exists
The address space length safeguarded in Chord ring；Otherwise Load is gone tolightFor the load of the subsequent group of group A, then the group along
Chord ring moves counterclockwise, and mobile address space length is (Load-Loadlight) × Length/ (2 × Load), and by phase
The metadata answered is transferred in subsequent group, then this execution end step of the method for load balance between HP2P network group；
It is modified using surveying instrument tilt angle coordinate of the data calculation procedure to measurement；
Surveying and mapping data archives are handled using database management language；
Surveying and mapping data is stored using data storage；Surveying and mapping data information is shown using display.
Further, LoadlightFor the load of the subsequent group of group A, then the group moves counterclockwise along Chord ring, mobile
Address space length is (Load-Loadlight) × Length/ (2 × Load), and corresponding metadata is transferred to subsequent group
In, then also need to carry out after this execution of the method for load balance between HP2P network group:
If Load≤(1-2 β) Loadheavy, and go to step 9；Wherein LoadheavyFor this group forerunner group and
The load of heavier loads group in subsequent group, β are a real numbers in section (0,0.5) value, otherwise HP2P network intergroup traffic
Balance method execution terminates；
If LoadheavyFor the load of the forerunner group of group A, then group A notifies its forerunner that group moves counterclockwise along Chord ring
Dynamic, mobile address space length is (Loadheavy-Load)×Lengthpredecessor/(2×Loadheavy), and from forerunner group
Corresponding metadata is obtained, wherein LengthpredecessorThe address space length safeguarded in Chord ring by forerunner group, and
This execution of balancing method of loads terminates between HP2P network group afterwards；Otherwise it goes in next step；
LoadheavyFor the load of the subsequent group of group A, then group A is moved clockwise along Chord ring, mobile address space
Length is (Loadheavy-Load)×Lengthsuccessor/(2×Loadheavy), and corresponding metadata is obtained from subsequent group,
Wherein LengthsuccessorThe address space length safeguarded in Chord ring by subsequent group, at this time HP2P network intergroup traffic
Balance method execution terminates.
Further, multiple single characteristic synthetics are got up according to certain mode method particularly includes:
Firstly, being integrated according to the cross correlation between feature, the lower feature structure of uncorrelated or correlation is selected
At a comprehensive characteristics；
Secondly, not considering the correlation between feature, intuitively most several features of taste constitute one for selection
Comprehensive characteristics；
The target HRRP that image pick-up device once observes is denoted as a sample sequence spatially: Xk=[x1,
X2 ..., xN], wherein N is sampling number；Using the method for statistics, following 8 characteristic attributes are defined and extract from HRRP,
It include: equivalent scattering center dimension, equivalent target size, entropy, standard deviation, deviation, degree of irregularity, echo power and preceding several
The sum of the power of a most strong scattering point accounts for the ratio of general power.
Further, inclination correction method includes:
Firstly, several times by surveying instrument inclination, recording the surveying instrument inclined position coordinates and relative to level every time
The tilt angle in face；
Then, the course angle increment in the every inclined twice conversion process of surveying instrument is obtained using gyroscope integral；
Finally, by data calculation procedure in conjunction with the course increment, the position coordinates and the tilt angle to institute
Surveying instrument tilt quantity is stated to be modified and obtain revised position coordinates.
Further, archive information processing method includes:
(1) mapping information archives are analyzed, specifies first file type belonging to the archives, specifies the intrinsic of archives
Metadata item；
(2) it is standardized according to the content of the archives and classification, defines file type, be associated with affiliated first file type, it is bright
Extended metadata item, space characteristics and the business rule of archives belonging to really, building form file type model；
(3) according to the solid tissue design feature of the archives, newdata type specifies the entity file of the archives
Composition, file format, file attribute and file designation rule, simulate the electronic entity file organization structure of archives, and building is formed
Data type model；
(4) matched by the file name of the file designation of data type and file type, by file type model with
The association of data type model foundation, building form file data model, are registered on archives catalog, and are stored in the form of figure layer
In database；
Wherein: metadata information of the attribute list of figure layer to store archives；The visuals of the figure layer is to store
The spatial signature information of archives, the corresponding data type model of the entity file of the archives and storage location information are stored in
In database, and it is associated with the foundation of the attribute list of figure layer.
Another object of the present invention is to provide a kind of computer program, the computer program operation mapping is made
Industry real-time collecting method.
Another object of the present invention is to provide a kind of terminal, the terminal, which is at least carried, realizes that the mapping operation is real-time
The controller of acquisition method.
Another object of the present invention is to provide a kind of computer readable storage mediums, including instruction, when it is in computer
When upper operation, so that computer executes the mapping operation real-time collecting method.
Another object of the present invention is to provide a kind of real-time acquisition systems of mapping operation to include:
Photographing module is connect with main control module, for acquiring mapping destination image data information by image pick-up device；
Measurement module is connect with main control module, for measuring the data informations such as target position, distance by surveying instrument；
Locating module is connect with main control module, for being positioned by way of satellite positioning to outdoor mapped point；
Main control module, with photographing module, measurement module, locating module, tilt correction module, news file processing module,
Data memory module, display module connection, work normally for controlling modules by single-chip microcontroller；
Tilt correction module, connect with main control module, for the surveying instrument inclination angle by data calculation procedure to measurement
Degree coordinate is modified；
News file processing module, connect with main control module, for passing through database management language to surveying and mapping data archives
It is handled；
Data memory module is connect with main control module, for being stored by data storage to surveying and mapping data；
Display module is connect with main control module, for showing surveying and mapping data information by display.
Another object of the present invention is to provide a kind of field mapping equipment, described in the field mapping equipment at least carries
The real-time acquisition system of mapping operation.
Advantages of the present invention and good effect are as follows:
The present invention is first tilted surveying instrument itself several times by tilt correction module, passes through its internal inclination measurement mould
Block obtains the position coordinates after surveying instrument tilts every time, the course for then obtaining tilt angle when tilting every time, gyroscope
Increment and correction position coordinate combine, and internal calculation obtains the entire revised accurate position coordinates of surveying instrument tilt quantity,
It can solve the influence of GEOMAGNETIC CHANGE and magnetic interference to surveying instrument slope correction precision in this way, the inclination for improving surveying instrument changes
Positive precision, service efficiency and practical precision；Meanwhile by news file processing module first according to affiliated first file type, shelves
Extended metadata item, space characteristics and the business rule of case construct to form file type model；The file type model by pair
The definition and classification of file data, rapidly and accurately give expression to the feature of file data, meet file data graphic attribute one
Change the demand of storage；Simultaneously according to the institutional framework feature of the entity file of the archives, the entity file of the archives is specified
Composition, file format, file attribute and file designation rule, simulate the institutional framework of the entity file of archives, and building forms number
According to Type model；Matched by the file designation of data type and the file name of file type, by file type model with
The association of data type model foundation, building form file data model.When being stored in new file data model every time, it is only necessary to
File data model name is set；Then the corresponding archives class that completion is pre-created is found according to file data model name
File type model is saved in database with being associated with for data type model, and registers by pattern type and data Type model
It is articulated on archive data directory, completes the building of new file data model.In this way in the process of file data model construction
In, it can promptly construct file type model and data Type model forms archives the library, can also support the number of file store
According to the customization and extension of table.
In present invention measurement target position, range data information, specifically have:
The super node S of group A is randomly to klog around in the internet that surveying instrument utilizes2N number of pocket transmission group is negative
Request message is carried, the klog is obtained2N number of group of load information, and by calculating this klog2N number of group of load mean value
Load is loaded to estimate the group mean of current entire HP2P networkavg, wherein k is one in section [1, N/log2N] value
Integer, N are the number of group in network；
If group A present load Load > γ Loadavg, and two groupuscule interior joint numbers that group splits into are all larger than
The group is then split into two groups by HP2P network group low-bound of node number, and wherein γ is a real number greater than 1, HP2P network
This execution of the method for intergroup traffic balance terminates；Otherwise step 3 is gone to；
Chord ring in HP2P network is constructed, group A is to its forerunner group and subsequent pocket transmission load requests message, to obtain
The current load situation of forerunner group and subsequent group, wherein forerunner group is nearest previous of A that peel off in HP2P network C hord ring
Group, subsequent group are the A nearest the latter group that peels off in HP2P network C hord ring；
It can get accurate target position, range data information.Accuracy improves nearly 6 percentage points.
Mapping destination image data information is acquired using image pick-up device；Using the method for statistics, 8 are extracted from target HRRP
A characteristic attribute that can reflect target geometry information, comprising: equivalent scattering center dimension, equivalent target size, entropy, standard
The sum of difference, deviation, degree of irregularity, echo power and power of several preceding most strong scattering points account for the ratio of general power；According to
Certain mode gets up multiple single characteristic synthetics, obtains 7 new comprehensive characteristics；Be respectively adopted single feature and comprehensive characteristics into
Row image pick-up device target identification assesses the validity of each feature using the HRRP data of actual measurement；Compared with the prior art
The image definition that obtains of image acquiring method improve it is very much.Application for mapping operation provides guarantee.
Detailed description of the invention
Fig. 1 is the real-time acquisition system structural block diagram of mapping operation provided in an embodiment of the present invention.
In figure: 1, photographing module；2, measurement module；3, locating module；4, main control module；5, tilt correction module；6, believe
Cease records handling module；7, data memory module；8, display module.
If Fig. 2 is news file processing module processing method flow chart provided in an embodiment of the present invention.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows.
Structure of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1, the real-time acquisition system of mapping operation provided by the invention includes: photographing module 1, measurement module 2, determines
Position module 3, main control module 4, tilt correction module 5, news file processing module 6, data memory module 7, display module 8.
Photographing module 1 is connect with main control module 4, for acquiring mapping destination image data information by image pick-up device；
Measurement module 2 is connect with main control module 4, for measuring the data informations such as target position, distance by surveying instrument；
Locating module 3 is connect with main control module 4, for being positioned by way of satellite positioning to outdoor mapped point；
Main control module 4, with photographing module 1, measurement module 2, locating module 3, tilt correction module 5, news file processing
Module 6, data memory module 7, display module 8 connect, and work normally for controlling modules by single-chip microcontroller；
Tilt correction module 5 is connect with main control module 4, for being tilted by surveying instrument of the data calculation procedure to measurement
Angle coordinate is modified；
News file processing module 6 is connect with main control module 4, for passing through database management language to surveying and mapping data shelves
Case is handled；
Data memory module 7 is connect with main control module 4, for being stored by data storage to surveying and mapping data；
Display module 8 is connect with main control module 4, for showing surveying and mapping data information by display.
5 modification method of tilt correction module provided by the invention is as follows:
Firstly, several times by surveying instrument inclination, recording the surveying instrument inclined position coordinates and relative to level every time
The tilt angle in face；
Then, the course angle increment in the every inclined twice conversion process of surveying instrument is obtained using gyroscope integral；
Finally, by data calculation procedure in conjunction with the course increment, the position coordinates and the tilt angle to institute
Surveying instrument tilt quantity is stated to be modified and obtain revised position coordinates.
As shown in Fig. 2, news file processing module processing method provided in an embodiment of the present invention includes:
S101: analyzing mapping information archives, specifies first file type belonging to the archives, specifies consolidating for archives
There is metadata item；
S102: standardizing according to the content of the archives and classification, defines file type, is associated with affiliated first file type,
Extended metadata item, space characteristics and the business rule of archives belonging to clear, building form file type model；
S103: according to the solid tissue design feature of the archives, newdata type specifies the entity text of the archives
Part composition, file format, file attribute and file designation rule, simulate the electronic entity file organization structure of archives, construct shape
At data type model；
S104: being matched by the file designation of data type and the file name of file type, by file type model
It is associated with data type model foundation, building forms file data model, is registered on archives catalog, and deposited in the form of figure layer
It is stored in database.
Wherein: metadata information of the attribute list of figure layer to store archives；The visuals of the figure layer is to store
The spatial signature information of archives, the corresponding data type model of the entity file of the archives and storage location information are stored in
In database, and it is associated with the foundation of the attribute list of figure layer.
When the present invention is surveyed and drawn, firstly, utilizing image pick-up device acquisition mapping destination image data information by photographing module 1；It is logical
Measurement module 2 is crossed using data informations such as surveying instrument measurement target position, distances；Locating module 3 is dispatched by single-chip microcontroller and is tilted
Correction module 5 is modified using surveying instrument tilt angle coordinate of the data calculation procedure to measurement；Then, pass through news file
Processing module 6 is handled surveying and mapping data archives using database management language；Then, data memory module 7 utilizes data
Memory stores surveying and mapping data；Finally, showing surveying and mapping data information using display by display module 8.
Below with reference to concrete analysis, the invention will be further described.
Mapping operation real-time collecting method provided in an embodiment of the present invention, comprising: utilize image pick-up device acquisition mapping target figure
As data information；Using the method for statistics, 8 feature categories that can reflect target geometry information are extracted from target HRRP
Property, comprising: equivalent scattering center dimension, equivalent target size, entropy, standard deviation, deviation, degree of irregularity, echo power and preceding
The sum of the power of several most strong scattering points accounts for the ratio of general power；Multiple single characteristic synthetics are got up according to certain mode,
Obtain 7 new comprehensive characteristics；Single feature is respectively adopted and comprehensive characteristics carry out image pick-up device target identification, utilizes the HRRP of actual measurement
Data assess the validity of each feature；
The definition of 8 characteristic attributes and calculation method specifically include:
1) equivalent scattering center dimension is defined as:
Wherein,xiFor the mean value of target HRRP, U () is unit jump function, it may be assumed that
2) equivalent target size is defined as:
Tsize=Lk (Nscatterer)-Lk(1)；
Wherein, Lk=i | xi >=mk, i=1,2 ..., NscattererIndicate target HRRP in be more than mean value distance unit
Position sequence；
3) entropy feature is defined as:
Wherein, log2 () is natural logrithm；Indicate the result that target HRRP is carried out to amplitude normalization, it may be assumed that
4) standard deviation is defined as:
5) deviation is defined as:
6) degree of irregularity is defined as:
7) echo power is defined as:
8) target HRRP sequence is ranked up from big to small according to amplitude size, the HRRP sequence after sequence are as follows: Yk=
[y1, y2 ..., yN], then preceding m, the sum of the power of (m≤N) a strongest scattering point account for the ratio of general power is defined as:
Target position, range data information are measured using surveying instrument；In measurement target position, range data information, specifically
Have:
Step 1, the super node S of group A is randomly to klog around in the internet that surveying instrument utilizes2N number of mass-sending
Group load requests message is sent, the klog is obtained2N number of group of load information, and by calculating this klog2N number of group of load
Average value loads Load to estimate the group mean of current entire HP2P networkavg, wherein k is one in section [1, N/log2N]
The integer of value, N are the number of group in network；
Step 2, if group A present load Load > γ Loadavg, and two groupuscule interior joint numbers that group splits into are equal
Greater than HP2P network group low-bound of node number, then the group is split into two groups, whereinγIt is a real number greater than 1, HP2P net
This execution of the method for network intergroup traffic balance terminates；Otherwise step 3 is gone to；
Step 3, construct HP2P network in Chord ring, group A to its forerunner group and subsequent pocket transmission load requests message, from
And the current load situation of forerunner group and subsequent group is obtained, wherein forerunner group is before peeling off A in HP2P network C hord ring recently
One group, subsequent group are the A nearest the latter group that peels off in HP2P network C hord ring；
Step 4, if group A present load Load > LoadavgStep 5 is then gone to, if Load < LoadavgThen go to
Step 8；Otherwise the method execution of load balance terminates between HP2P network group；
Step 5, if group A loads Load >=Loadlight/ (1-2 β), then reduce β for own load, wherein β is one
A real number in section (0,0.5) value, and go to step 6；Otherwise step 8 is gone to；Wherein LoadlightFor the forerunner of this group
The load of lesser group is loaded in group and subsequent group；
Step 6, if LoadlightFor the load of the forerunner group of group A, then group A notifies its forerunner that group is suitable along Chord ring
Hour hands are mobile, and mobile address space length is (Load-Loadlight)×LengTh/ (2 × Load), and will corresponding first number
According to being transferred in forerunner group, this execution of the method for load balance terminates between HP2P network group, and wherein Length is that group A exists
The address space length safeguarded in Chord ring；Otherwise Load is gone tolightFor the load of the subsequent group of group A, then the group along
Chord ring moves counterclockwise, and mobile address space length is (Load-Loadlight)×LengTh/ (2 × Load), and by phase
The metadata answered is transferred in subsequent group, then this execution end step of the method for load balance between HP2P network group；
It is modified using surveying instrument tilt angle coordinate of the data calculation procedure to measurement；
Surveying and mapping data archives are handled using database management language；
Surveying and mapping data is stored using data storage；Surveying and mapping data information is shown using display.
LoadlightFor the load of the subsequent group of group A, then the group moves counterclockwise along Chord ring, mobile address space
Length is (Load-Loadlight)×LengTh/ (2 × Load), and corresponding metadata is transferred in subsequent group, then
Between HP2P network group after this execution of the method for load balance, also need to carry out:
If Load≤(1-2 β) Loadheavy, and go to step 9；Wherein LoadheavyFor this group forerunner group and
The load of heavier loads group in subsequent group, β are a real numbers in section (0,0.5) value, otherwise HP2P network intergroup traffic
Balance method execution terminates；
If LoadheavyFor the load of the forerunner group of group A, then group A notifies its forerunner that group moves counterclockwise along Chord ring
Dynamic, mobile address space length is (Loadheavy-Load)×Lengthpredecessor/(2×Loadheavy), and from forerunner group
Corresponding metadata is obtained, wherein LengthpredecessorThe address space length safeguarded in Chord ring by forerunner group, and
This execution of balancing method of loads terminates between HP2P network group afterwards；Otherwise it goes in next step；
LoadheavyFor the load of the subsequent group of group A, then group A is moved clockwise along Chord ring, mobile address space
Length is (Loadheavy-Load)×Lengthsuccessor/(2×Loadheavy), and corresponding metadata is obtained from subsequent group,
Middle LengthsuccessorThe address space length safeguarded in Chord ring by subsequent group, at this time load balance between HP2P network group
Method execution terminates.
Multiple single characteristic synthetics are got up according to certain mode method particularly includes:
Firstly, being integrated according to the cross correlation between feature, the lower feature structure of uncorrelated or correlation is selected
At a comprehensive characteristics；
Secondly, not considering the correlation between feature, intuitively most several features of taste constitute one for selection
Comprehensive characteristics；
The target HRRP that image pick-up device once observes is denoted as a sample sequence spatially: Xk=[x1,
X2 ..., xN], wherein N is sampling number；Using the method for statistics, following 8 characteristic attributes are defined and extract from HRRP,
It include: equivalent scattering center dimension, equivalent target size, entropy, standard deviation, deviation, degree of irregularity, echo power and preceding several
The sum of the power of a most strong scattering point accounts for the ratio of general power.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When using entirely or partly realizing in the form of a computer program product, the computer program product include one or
Multiple computer instructions.When loading on computers or executing the computer program instructions, entirely or partly generate according to
Process described in the embodiment of the present invention or function.The computer can be general purpose computer, special purpose computer, computer network
Network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or from one
Computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be from one
A web-site, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)
Or wireless (such as infrared, wireless, microwave etc.) mode is carried out to another web-site, computer, server or data center
Transmission).The computer-readable storage medium can be any usable medium or include one that computer can access
The data storage devices such as a or multiple usable mediums integrated server, data center.The usable medium can be magnetic Jie
Matter, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk Solid
State Disk (SSD)) etc..
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (10)
1. a kind of mapping operation real-time collecting method, which is characterized in that the mapping operation real-time collecting method includes: to utilize to take the photograph
As device acquisition mapping destination image data information；Using the method for statistics, 8 are extracted from target HRRP can reflect that target is several
The characteristic attribute of what structural information, comprising: equivalent scattering center dimension, equivalent target size, entropy, standard deviation, deviation, irregular
The sum of degree, echo power and power of several preceding most strong scattering points account for the ratio of general power；It will be more according to certain mode
A list characteristic synthetic gets up, and obtains 7 new comprehensive characteristics；Single feature is respectively adopted and comprehensive characteristics carry out the knowledge of image pick-up device target
Not, the validity of each feature is assessed using the HRRP data of actual measurement；
The definition of 8 characteristic attributes and calculation method specifically include:
1) equivalent scattering center dimension is defined as:
Wherein,xiFor the mean value of target HRRP, U () is unit jump function, it may be assumed that
2) equivalent target size is defined as:
Tsize=Lk (Nscatterer)-Lk(1)；
Wherein, Lk=i | xi >=mk, i=1,2 ..., NscattererIndicate in target HRRP more than the position of the distance unit of mean value
Set sequence；
3) entropy feature is defined as:
Wherein, log2 () is natural logrithm；Indicate the result that target HRRP is carried out to amplitude normalization, it may be assumed that
4) standard deviation is defined as:
5) deviation is defined as:
6) degree of irregularity is defined as:
7) echo power is defined as:
A8) target HRRP sequence is ranked up from big to small according to amplitude size, the HRRP sequence after sequence are as follows: Yk=[y1,
Y2 ..., yN], then preceding m, the sum of the power of (m≤N) a strongest scattering point account for the ratio of general power is defined as:
Target position, range data information are measured using surveying instrument；In measurement target position, range data information, specifically have:
Step 1, the super node S of group A is randomly to klog around in the internet that surveying instrument utilizes2N number of pocket transmission group
Load requests message obtains the klog2N number of group of load information, and by calculating this klog2N number of group of load average
Value loads Load to estimate the group mean of current entire HP2P networkavg, wherein k is one in section [1, N/log2N] value
Integer, N be network in group number；
Step 2, if group A present load Load > γ Loadavg, and two groupuscule interior joint numbers that group splits into are all larger than
The group is then split into two groups by HP2P network group low-bound of node number, and wherein γ is a real number greater than 1, HP2P network
This execution of the method for intergroup traffic balance terminates；Otherwise step 3 is gone to；
Step 3 constructs Chord ring in HP2P network, and group A is to its forerunner group and subsequent pocket transmission load requests message, to obtain
The current load situation of forerunner group and subsequent group is taken, wherein forerunner group is nearest previous of A that peel off in HP2P network C hord ring
Group, subsequent group are the A nearest the latter group that peels off in HP2P network C hord ring；
Step 4, if group A present load Load > LoadavgStep 5 is then gone to, if Load < LoadavgThen go to step
Eight；Otherwise the method execution of load balance terminates between HP2P network group；
Step 5, if group A loads Load >=Loadlight/ (1-2 β), then reduce β for own load, wherein β be one
The real number of section (0,0.5) value, and go to step 6；Otherwise step 8 is gone to；Wherein LoadlightFor this group forerunner group and
The load of lesser group is loaded in subsequent group；
Step 6, if LoadlightFor the load of the forerunner group of group A, then group A notifies its forerunner that group is clockwise along Chord ring
Mobile, mobile address space length is (Load-Loadlight) × Length/ (2 × Load), and corresponding metadata is turned
It moves on in forerunner group, this execution of the method for load balance terminates between HP2P network group, and wherein Length is group A in Chord ring
Middle safeguarded address space length；Otherwise Load is gone tolightFor the load of the subsequent group of group A, then the group is inverse along Chord ring
Hour hands are mobile, and mobile address space length is (Load-Loadlight) × Length/ (2 × Load), and will corresponding first number
According to being transferred in subsequent group, then between HP2P network group load balance method this execute end step；
It is modified using surveying instrument tilt angle coordinate of the data calculation procedure to measurement；
Surveying and mapping data archives are handled using database management language；
Surveying and mapping data is stored using data storage；Surveying and mapping data information is shown using display.
2. mapping operation real-time collecting method as described in claim 1, which is characterized in that LoadlightFor group A subsequent group it is negative
It carries, then the group moves counterclockwise along Chord ring, and mobile address space length is (Load-Loadlight)×Length/(2
× Load), and corresponding metadata is transferred in subsequent group, then this execution of the method for load balance between HP2P network group
After, it also needs to carry out:
If Load≤(1-2 β) Loadheavy, and go to step 9；Wherein LoadheavyFor this group forerunner group and it is subsequent
The load of heavier loads group in group, β is a real number in section (0,0.5) value, otherwise load balance between HP2P network group
Method execution terminates；
If LoadheavyFor the load of the forerunner group of group A, then group A notifies its forerunner that group moves counterclockwise along Chord ring, moves
Dynamic address space length is (Loadheavy-Load)×Lengthpredecessor/(2×Loadheavy), and obtained from forerunner group
Corresponding metadata, wherein LengthpredecessorThe address space length safeguarded in Chord ring by forerunner group, then
This execution of balancing method of loads terminates between HP2P network group；Otherwise it goes in next step；
LoadheavyFor the load of the subsequent group of group A, then group A is moved clockwise along Chord ring, mobile address space length
For (Loadheavy-Load)×Lengthsuccessor/(2×Loadheavy), and corresponding metadata is obtained from subsequent group, wherein
LengthsuccessorThe address space length safeguarded in Chord ring by subsequent group, at this time load balance between HP2P network group
Method execution terminates.
3. mapping operation real-time collecting method as described in claim 1, which is characterized in that
Multiple single characteristic synthetics are got up according to certain mode method particularly includes:
Firstly, being integrated according to the cross correlation between feature, the lower feature of uncorrelated or correlation is selected to constitute one
A comprehensive characteristics；
Secondly, not considering the correlation between feature, intuitively most several features of taste constitute a synthesis for selection
Feature；
The target HRRP that image pick-up device once observes is denoted as a sample sequence spatially: Xk=[x1, x2 ...,
XN], wherein N is sampling number；Using the method for statistics, defines and extract following 8 characteristic attributes from HRRP, comprising: etc.
It imitates scattering center dimension, equivalent target size, entropy, standard deviation, deviation, degree of irregularity, echo power and preceding several is most strong
The sum of power of scattering point accounts for the ratio of general power.
4. mapping operation real-time collecting method as described in claim 1, which is characterized in that inclination correction method includes:
Firstly, several times by surveying instrument inclination, the surveying instrument inclined position coordinates and with respect to the horizontal plane every time are recorded
Tilt angle；
Then, the course angle increment in the every inclined twice conversion process of surveying instrument is obtained using gyroscope integral；
Finally, by data calculation procedure in conjunction with the course increment, the position coordinates and the tilt angle to the survey
Instrument tilt quantity is drawn to be modified and obtain revised position coordinates.
5. mapping operation real-time collecting method as described in claim 1, which is characterized in that archive information processing method includes:
(1) mapping information archives are analyzed, specifies first file type belonging to the archives, specify intrinsic first number of archives
According to item；
(2) it is standardized according to the content of the archives and classification, defines file type, be associated with affiliated first file type, specify institute
Belong to extended metadata item, space characteristics and the business rule of archives, building forms file type model；
(3) according to the solid tissue design feature of the archives, newdata type specifies the entity file group of the archives
At, file format, file attribute and file designation rule, simulate the electronic entity file organization structure of archives, building forms number
According to Type model；
(4) matched by the file name of the file designation of data type and file type, by file type model and data
Type model establishes association, and building is formed file data model, is registered on archives catalog, and be stored in number in the form of figure layer
According in library；
Wherein: metadata information of the attribute list of figure layer to store archives；The visuals of the figure layer is to store archives
Spatial signature information, the corresponding data type model of the entity file of the archives and storage location information are stored in data
In library, and it is associated with the foundation of the attribute list of figure layer.
6. a kind of computer program, which is characterized in that described in the computer program operation Claims 1 to 5 any one
Survey and draw operation real-time collecting method.
7. a kind of terminal, which is characterized in that the terminal, which is at least carried, realizes that mapping described in Claims 1 to 5 any one is made
The controller of industry real-time collecting method.
8. a kind of computer readable storage medium, including instruction, when run on a computer, so that computer is executed as weighed
Benefit requires mapping operation real-time collecting method described in 1-5 any one.
9. a kind of realize the real-time acquisition system of mapping operation for surveying and drawing operation real-time collecting method described in claim 1, feature
It is, the real-time acquisition system of the mapping operation includes:
Photographing module is connect with main control module, for acquiring mapping destination image data information by image pick-up device；
Measurement module is connect with main control module, for measuring the data informations such as target position, distance by surveying instrument；
Locating module is connect with main control module, for being positioned by way of satellite positioning to outdoor mapped point；
Main control module, with photographing module, measurement module, locating module, tilt correction module, news file processing module, data
Memory module, display module connection, work normally for controlling modules by single-chip microcontroller；
Tilt correction module, connect with main control module, for being sat by surveying instrument tilt angle of the data calculation procedure to measurement
Mark is modified；
News file processing module, connect with main control module, for being carried out by database management language to surveying and mapping data archives
Processing；
Data memory module is connect with main control module, for being stored by data storage to surveying and mapping data；
Display module is connect with main control module, for showing surveying and mapping data information by display.
10. a kind of field mapping equipment, which is characterized in that the field mapping equipment at least carries survey as claimed in claim 9
Draw the real-time acquisition system of operation.
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