CN106503060A - A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods - Google Patents
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods Download PDFInfo
- Publication number
- CN106503060A CN106503060A CN201610861553.5A CN201610861553A CN106503060A CN 106503060 A CN106503060 A CN 106503060A CN 201610861553 A CN201610861553 A CN 201610861553A CN 106503060 A CN106503060 A CN 106503060A
- Authority
- CN
- China
- Prior art keywords
- dimensional
- point cloud
- information
- transmission line
- dimensional point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2215/00—Indexing scheme for image rendering
- G06T2215/16—Using real world measurements to influence rendering
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- Computer Graphics (AREA)
- Remote Sensing (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Processing Or Creating Images (AREA)
Abstract
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing thing acquisition methods, sets up terrain and its features information database according to actual information of the terrain and its features in the three dimensional point cloud；Initial three-dimensional cloud data is obtained using 3 D laser scanning；Obtain atural object.The present invention is not on original point cloud data original base is changed, do not carry out any modeling and render process, the spatial information of any point is not changed, the cloud data of various atural objects is accurately obtained, according to design discipline specific requirement, the topography for being applied to ultra-high-tension power transmission line three dimensional design is formed, this is to realize first in the world, is the breakthrough of circuit design field.
Description
Technical field
The present invention relates to a kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods, belong to power industry
Technical field.
Background technology
Three-dimensional laser scanning technique is a new and high technology for starting middle nineteen nineties in last century to occur, and is empty after GPS
Between another item surveying and mapping technology new breakthrough after alignment system.It can be truly realized
Dimension data collection and model reconstruction, i.e., from three-dimensional to three-dimensional panorama three-dimensional measured data reconstruct.It is scanned by high-rate laser
The method of measurement, the three-dimensional coordinate data on large area high-resolution ground quick obtaining measurand surface.Can be quick, substantial amounts of
Collection point position in space information, directly can reflect objective things in real time, change, real morphological character.It need not do any
Surface treatment in kind, and the depth of field is very long, it is to avoid the error that optical skew factor is brought, each in its laser point cloud are three-dimensional
Data are all the target truthful datas of direct collection, so that the data of post processing are true and reliable, so using it as quickly obtaining
Take the effective means of spatial data.Three-dimensional laser scanning technique is different from traditional high accuracy surveying and mapping technology, and it is mainly directed towards height
The reverse three-dimensional modeling of precision and reconstruct.Traditional surveying and mapping technology is mainly used in single-point accurate measurement, but for during modeling work just
Power institute difficult and, because the complete attribute of description object construction needs to gather substantial amounts of mapped point, tens of thousands of at least, at most hundreds of
More than ten thousand to, target so could intactly be moved computer, however three-dimensional laser scanning technique just belong to such complete from
Dynamic High Precision Stereo scanning technique.
As line project increasingly longer, coverage is increasing, landform becomes increasingly complex, a lot of designing units all open
Begin to study the three dimensional design mode of circuit design.At present, the planning in line project the stage three dimensional constitution such as can grind, just set
Start gradually maturation, but the three dimensional design mode of construction drawing is also real to be realized.Some are that the very big cost of flower achieves three
Dimension topography, is but only intended to the three dimensional display on surface, it is impossible to reflect technology reality；And other units, they start to think deeply
The three dimensional design of construction drawing how is realized, but technological core design therein in fact or utilizes conventional two-dimensional pattern.
At present, tridimensional model is not also really used for transmission line construction G- Design, and reason is so far also not very
Good method obtains really and accurately three-dimensional panorama topography, even if achieving corresponding topography, can be because whole three-dimensional
Topography is combined, attribute a little be just as, this is so that design software cannot correctly recognize difference
Terrain and its features, also cannot just carry out the different electrical distance calculation and checks that hands over across thing, it is impossible to realize the three-dimensional panorama of construction drawing
Design.Therefore the three-dimensional panorama construction drawing design of transmission line of electricity to be realized, is just had to successfully to cloud data according to friendship across thing
The difference of species is correctly layered, and this is necessary premise.
In sum, there is presently no a kind of three dimensional point cloud suitable for transmission line of electricity to process and hand over across thing acquisition side
Method.
Note：In order to, be easy to the personnel such as design, management, construction to understand when actually used visual in imagely, in this invention
Include all atural objects on ground and ground by handing over across thing.
Content of the invention
For the deficiencies in the prior art, the present invention provides a kind of transmission line of electricity three dimensional point cloud and processes and hand over across thing acquisition
Method.The present invention is applied to the work transmission line cloud data of free voltage grade and hands over the lossless layering across thing.
Technical scheme is as follows：
A kind of transmission line of electricity three dimensional point cloud processes and hands over across thing acquisition methods, as follows including step：
1) according to the difference of terrain and its features information in the three dimensional point cloud, terrain and its features information database is set up,
Wherein described terrain and its features information includes the spatial information of atural object, shape, species, size；
2) initial three-dimensional cloud data is obtained using 3 D laser scanning equipment；
3) atural object is obtained：By the terrestrial object information by automatic identification atural object spatial information, shape, species and size
In adding to three dimensional point cloud with mode；Or by the terrestrial object information by artificial observation, selection, and then give three-dimensional seat
During target form is added to three dimensional point cloud.
According to currently preferred, the terrestrial object information data base includes landform altitude model information, forest model letter
Breath, BUILDINGS MODELS information, three line model information, the model of highway information, railway model information, river model information, pipeline model
Information, booth model information and nursery model information.For example, the generation method of the forest model includes：Construction drawing shaft tower is arranged
During position, can the height and width of the woods have and shaft tower height, span size are had than large effect, set up high accuracy reality
Highly, the forest model of the volume of timber, and can correctly be recognized there is vital effect by Three-dimensional Design Software.In the last few years, state
Inside and outside utilization cloud data is more and more to the modeling and research of forest, and achieved with significant achievement.Wu Chunfeng enters to pinaster
Row three-dimensional data scan process, therefrom extracts the parameters such as the diameter of a cross-section of a tree trunk 1.3 meters above the ground, trunk and trunk mid-diameter, calculates and tries to achieve standing volume, by mistake
Difference is 2.91%.And automation research Suo Zhong methods joint laboratory of the Chinese Academy of Sciences is being considered in the case that leaveves block, and is based on
TLS is attempted to deciduous tree Model Reconstruction, using the surface such as scan data and trunk branch, according to axially estimation in branch
Frame position and diameter is calculated on cross section, and the generalized cylinder model for rebuilding trunk, branch by depth image, reconstructed results are accurate
Really.Under this technical background, correctly recognize that forest model provides good condition for Three-dimensional Design Software.Carrying out construction drawing
Tier pole position when, be not usually required to the detailed information for knowing trees, such as branch shape, thickness, superficial makings, leaveves etc., only
Need to know the information such as the growth scope of trees, species, the height of tree, tree-walk, trees, therefore, model is carried out to forest with TLS methods
Rebuild, our requirements to Tree vigorous degree can be met completely.Based on TLS to cloud data in forest be modeled, can be with
Obtain accurately reflecting the height of tree, number footpath, the tree modelling of branch scope, the particular location, accurate number further according to each tree wood
Mesh is adjusted perfect, just can generate relatively accurately forest model.This kind of model can actually reflect live trees height, number
The information such as amount, can bring many conveniences for designer, it is to avoid the round scene of being repeated several times property.
According to currently preferred, in the step 3) in, first that the terrain and its features information is empty by automatic identification
Between the matching way of information, shape, species or size add to three dimensional point cloud；Then again by the terrain and its features information
Proofreaded in being added to three dimensional point cloud by the form for manually giving three-dimensional coordinate.The advantage of the design is, according to
The three dimensional point cloud obtained by the method for the invention, according further to the distribution of terrain and its features and can combine prior art
Algorithm for design obtain the safe distance of different electric pressures, and then design and draw corresponding construction drawing, it is ensured that the standard of decision-making
True property, promptness and effectiveness.
According to currently preferred, in the step 2) in, initial three-dimensional cloud data is obtained using 3 D laser scanning：
Three-dimensional panorama scanning is carried out to the topography and geomorphology of transmission line construction, the initial three-dimensional point cloud for meeting construction drawing design requirement is obtained
Data.
According to currently preferred, the mode that obtains initial three-dimensional cloud data also includes taking photo by plane, aerial survey and radar mapping
Technology.
According to currently preferred, the step 2) in also include, the initial three-dimensional cloud data for obtaining is carried out various
Map is proofreaded：Checked using satellite maps such as Google Earths.
According to currently preferred, the step 3) in, the automatic identification refers to object-based LiDar data atural object
Recognition methodss：Directly classified using the three-dimensional relationship of initial three-dimensional cloud data.Recognition accuracy is high, nicety of grading
Height, fast operation.
According to currently preferred, in the step 3) the form of artificial imparting three-dimensional coordinate add to three-dimensional point cloud number
According to before, following process is carried out to the initial three-dimensional cloud data：
First, denoising optimization is carried out to initial three-dimensional cloud data；
Then, comprehensive filtering is carried out, ground elevation model information (DEM) is obtained；When construction drawing design is carried out, ground
Elevation is prerequisite spatial information, its whether accurate quality and security reliability for directly affecting construction drawing design；
Rebuild based on the three-dimensional ground model of laser scanning data, mainly by entering to the depth data that three-dimensional laser scanner is obtained
, come realized, wherein gridding to be referred to and constitute table by connecting three three-dimensional point of topographical surface for row pretreatment, registration, gridding
Face, this method can make full use of a cloud information and convenient and practical, be especially suitable for the threedimensional model weight based on cloud data
Build；Afterwards, in order that model more becomes more meticulous, it is to avoid situations such as discrete, misconnection, then triangular mesh process is carried out, is formed
Mesh grid models, with higher precision；
Ground elevation model is carried out mesh griddings, cloud data model is obtained, so that the later stage is used and processed.
And the cloud data resolution for directly measuring is 2cm, no matter when mesh is modeled or soft DEM is imported to three dimensional design
During part, can all take a substantial amount of time.And on the other hand, the quality of DEM if carrying out taking out dilute process, can be reduced to a cloud.
After repeated multiple times test and adjustment was carried out, determine by cloud data model take out dilute to resolution be 0.1m, then can be with
On the premise of quality is ensured, time-saving purpose is reached.
It is an advantage of the current invention that：
1st, the present invention carries out three-dimensional measurement using three-dimensional laser scanning technique to landform：Measurement point is more, certainty of measurement is high and
Measuring speed is fast, data acquired information comprehensive and abundant.
2nd, after the present invention is checked to original point cloud data using satellite maps such as Google Earths, earth coordinates are obtained
Cloud data, high precision, accurately, it is clear to show for coordinate, true reflection actual landform landforms.
3rd, the present invention utilizes object-based LiDar data Objects recognition method to each in the cloud data of earth coordinates
Point carries out the process such as denoising optimization, identification are obtained and attribute gives, and obtains real cloud data, the cloud data of different atural objects
Independent analytical calculation can be carried out, the shaft tower ranking design of transmission line of electricity is can be directly used for, with true, reliability and strong operability
The features such as.
4th, the present invention is applied widely, practical, can be used for transmission line of electricity under various complicated geographic and geomorphic conditions
Shaft tower is arranged.
5th, the present invention on the basis of the original attribute of original point cloud data is not changed does not carry out any modeling and renders process, no
Change the spatial information of any point, accurately obtain the cloud data of various atural objects, according to design discipline specific requirement, formed
It is applied to the topography of ultra-high-tension power transmission line three dimensional design, this is to realize first in the world, is circuit design field
Break through.
Specific embodiment
The present invention is described in detail with reference to embodiment, but not limited to this.
Embodiment 1,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods, it is characterised in that the method includes walking
Rapid as follows：
1) information according to atural object in the three dimensional point cloud sets up terrain and its features information database, wherein described
Terrestrial object information includes the locus of atural object, shape, species, size；
2) initial three-dimensional cloud data is obtained using 3 D laser scanning；
3) atural object is obtained：The terrestrial object information is passed through automatic identification terrain and its features locus, shape, species or size
Matching way add to three dimensional point cloud；Or the terrain object attribute is added by the form for manually giving three-dimensional coordinate
Into three dimensional point cloud.
Embodiment 2,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In, the terrain and its features information database include forest model, BUILDINGS MODELS, three line models, the model of highway, railway model,
River model, pipeline model, booth model and nursery model.
Embodiment 3,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In in the step 3) in, first by the terrestrial object information by automatic identification locus, shape, species or size
In adding to three dimensional point cloud with mode；Then again the terrestrial object information is added by the form for manually giving three-dimensional coordinate
Proofreaded into three-dimensional point cloud information figure.
Embodiment 4,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In in the step 2) in, initial three-dimensional cloud data is obtained using 3 D laser scanning：Landform ground to transmission line construction
Looks carry out three-dimensional panorama scanning, obtain the initial three-dimensional cloud data for meeting construction drawing design requirement.
Embodiment 5,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In the mode for obtaining initial three-dimensional cloud data also includes taking photo by plane, aerial survey and radar mapping technology.
Embodiment 6,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In the step 2) in also include, map check and correction is carried out to the initial three-dimensional cloud data for obtaining：School is carried out using Google Earth
Core.
Embodiment 7,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In the step 3) in, the automatic identification refers to object-based LiDar data Objects recognition method：Directly using original
The three-dimensional relationship of three dimensional point cloud is classified.
Embodiment 8,
A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods as described in Example 1, and which is distinguished
In in the step 3) artificial imparting three-dimensional coordinate form add to three dimensional point cloud before, to the initial three-dimensional
Point data cloud atlas carries out following process：
First, denoising optimization is carried out to initial three-dimensional cloud data；
Then, it is filtered, obtains ground elevation model；
Ground elevation model is carried out mesh griddings, cloud data model is obtained, cloud data model is taken out dilute by determination
It is 0.1m to resolution.
In the ranking of Overhead Transmission Line Construction G- Design shaft tower, generally can not be carried out according to the height that trees reality is present
The check of electrical distance, but according to different tree families have different final growing heights come.Mould according to the Chinese Academy of Sciences
The height of tree is set as that the final growing height of trees, its position coordinates, geometric model are modeled by scanning element cloud by type method for reconstructing
Arrive, the forest model that circuit needs to cross over may finally be obtained.This kind of model is design software to be imported to, eventually for shaft tower
Ranking, checks electrical distance, exhales high and span size according to shaft tower, determines to be crossed over or cut down, reached economy
The optimal requirement of property.The generation of ground circuit model, upper circuit generally have electric lines of force, connection etc., and these circuits are not only highly
Tier pole position is had a major impact, they are also had an impact with the intersecting angle of circuit.Due to electric lines of force geometric shape simply, as long as root
Strong point cloud data message, draws out specific sag catenary.The generation of building model, scans the cloud data for obtaining
For the point data in the 3D shape of building surface, these discrete points do not have any topological relation, are not effectively may be used
For representing the data of object physical model.The point discrete to building surface is recreated and can be used to indicate that entity
Threedimensional model, can be divided into the foundation and the interpolation with superficial makings information of triangle grid model.On here basis, just can be with
Accurate Model is carried out to building using a cloud the poster processing soft, is used for tier pole position.The modeling of various above-ground lines, in outer
Industry scans cloud data, and pipeline of the radius more than 50cm needs to be fitted modeling, and moves towards clear, can search original position with
Final position.Hand over the attribute across thing model, design discipline to specify, overhead transmission line for different hand over across thing have different friendship spans from
Require, in order to accelerate Three-dimensional Design Software operating rate, reduce operation times and error probability, select herein based on hand over span from
To be layered.Through overtesting and adjustment, 110kV threedimensional models are layered in table 1.
1 110kV threedimensional models of table are layered
Claims (8)
1. a kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods, it is characterised in that the method comprising the steps of
As follows：
1) information according to terrain and its features in the three dimensional point cloud sets up terrain and its features information database, wherein described
Terrestrial object information includes atural object, shape, species, size；
2) initial three-dimensional cloud data is obtained using 3 D laser scanning；
3) atural object is obtained：By the terrain and its features information by automatic identification atural object locus, shape, species or size
In adding to three dimensional point cloud with mode；Or the terrain object attribute is added to three by the form for manually giving three-dimensional coordinate
In dimension cloud data.
2. a kind of transmission line of electricity three dimensional point cloud according to claim 1 is processed and hands over across thing acquisition methods, its feature
It is, the terrestrial object information data base includes ground elevation model information, forest model information, BUILDINGS MODELS information, three lines
Model information, the model of highway information, railway model information, river model information, pipeline model information, booth model information and Seedling
Garden model information.
3. a kind of transmission line of electricity three dimensional point cloud according to claim 1 is processed and hands over across thing acquisition methods, its feature
It is, in the step 3) in, the terrain and its features information is passed through automatic identification locus, shape, species or chi first
During very little matching way adds to three dimensional point cloud；Then the terrestrial object information is passed through the shape of manually imparting three-dimensional coordinate again
Formula is proofreaded in adding to three dimensional point cloud.
4. a kind of transmission line of electricity three dimensional point cloud according to claim 1 is processed and hands over across thing acquisition methods, its feature
It is, in the step 2) in, initial three-dimensional cloud data is obtained using 3 D laser scanning：Treat the ground of transmission line construction
Shape landforms carry out three-dimensional panorama scanning, obtain the initial three-dimensional cloud data for meeting construction drawing design requirement.
5. a kind of transmission line of electricity three dimensional point cloud according to claim 1 is processed and hands over across thing acquisition methods, its feature
It is, the mode for obtaining initial three-dimensional cloud data also includes taking photo by plane, aerial survey and radar mapping technology.
6., without processing and handing over across thing acquisition methods, which is special for a kind of transmission line of electricity three dimensional point cloud according to claim 1
Levy and be, the step 2) in also include, map check and correction is carried out to the initial three-dimensional cloud data for obtaining：Entered using Google Earth
Row is checked.
7., without processing and handing over across thing acquisition methods, which is special for a kind of transmission line of electricity three dimensional point cloud according to claim 1
Levy and be, the step 3) in, the automatic identification refers to object-based LiDar data Objects recognition method：Directly utilize
The three-dimensional relationship of initial three-dimensional cloud data is classified.
8. a kind of transmission line of electricity three dimensional point cloud according to claim 1 is processed and hands over across thing acquisition methods, its feature
Be, in the step 3) artificial imparting three-dimensional coordinate form add to three dimensional point cloud before, to described original three
Dimension cloud data carries out following process：
First, denoising optimization is carried out to initial three-dimensional cloud data；
Then, it is filtered, obtains ground elevation model；
Ground elevation model is carried out mesh griddings, cloud data model is obtained, determine by cloud data model take out dilute to point
Resolution is 0.1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861553.5A CN106503060A (en) | 2016-09-28 | 2016-09-28 | A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861553.5A CN106503060A (en) | 2016-09-28 | 2016-09-28 | A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106503060A true CN106503060A (en) | 2017-03-15 |
Family
ID=58291198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610861553.5A Pending CN106503060A (en) | 2016-09-28 | 2016-09-28 | A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106503060A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238845A (en) * | 2017-05-19 | 2017-10-10 | 云南电网有限责任公司电力科学研究院 | A kind of power transmission line unmanned machine flight path detection method based on 3 D laser scanning |
| CN107796304A (en) * | 2017-09-07 | 2018-03-13 | 中铁二院工程集团有限责任公司 | A kind of rail track of three-dimensional laser panorama is adjusted and paints method |
| CN107944129A (en) * | 2017-11-21 | 2018-04-20 | 北京恒华伟业科技股份有限公司 | A kind of method and device for creating cable model |
| CN108389255A (en) * | 2018-02-12 | 2018-08-10 | 西安电子科技大学 | Landform geometric parameter extracting method based on layering elevation cloud atlas |
| CN108647607A (en) * | 2018-04-28 | 2018-10-12 | 国网湖南省电力有限公司 | Objects recognition method for project of transmitting and converting electricity |
| CN108845663A (en) * | 2018-04-08 | 2018-11-20 | 中国航空规划设计研究总院有限公司 | Design and construction system |
| CN108876885A (en) * | 2018-06-29 | 2018-11-23 | 山东鲁能智能技术有限公司 | The Processing Method of Point-clouds and device of power equipment |
| CN109242966A (en) * | 2018-08-07 | 2019-01-18 | 北京道亨时代科技有限公司 | A kind of 3D panorama model modeling method based on laser point cloud data |
| CN109470945A (en) * | 2018-04-19 | 2019-03-15 | 国网浙江省电力有限公司金华供电公司 | A kind of transmission line of electricity is handed over across point apart from automatic checkout system and method |
| CN110413664A (en) * | 2019-09-26 | 2019-11-05 | 广东电网有限责任公司佛山供电局 | A kind of important scissors crossing Intelligent statistical method of transmission line of electricity based on hypergraph platform |
| CN111507423A (en) * | 2020-04-24 | 2020-08-07 | 国网湖南省电力有限公司 | Engineering quantity calculation method for cleaning transmission line channel |
| CN112288591A (en) * | 2020-09-28 | 2021-01-29 | 国网辽宁省电力有限公司检修分公司 | Three-dimensional management and control platform system based on laser point cloud map |
| CN112580428A (en) * | 2020-11-09 | 2021-03-30 | 义乌市输变电工程有限公司设计分公司 | Power distribution network design method and device |
| CN113052105A (en) * | 2021-03-31 | 2021-06-29 | 广东电网有限责任公司 | Intelligent identification method, device and medium for cross spanning of power transmission circuit |
| CN114518768A (en) * | 2022-01-25 | 2022-05-20 | 武汉飞流智能技术有限公司 | Power transmission line inspection method, device, equipment and storage medium |
| CN115546406A (en) * | 2022-10-13 | 2022-12-30 | 太原明远工程监理有限公司 | Reverse modeling method and system based on point cloud data |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020475A (en) * | 2014-06-20 | 2014-09-03 | 西安煤航信息产业有限公司 | Power line extracting and modeling method based on airborne LiDAR data |
| CN104050715A (en) * | 2014-06-23 | 2014-09-17 | 华北电力大学 | High-precision three-dimensional reconstruction method for power transmission line and corridor |
| CN104866840A (en) * | 2015-06-04 | 2015-08-26 | 广东中城规划设计有限公司 | Method for recognizing overhead power transmission line from airborne laser point cloud data |
-
2016
- 2016-09-28 CN CN201610861553.5A patent/CN106503060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020475A (en) * | 2014-06-20 | 2014-09-03 | 西安煤航信息产业有限公司 | Power line extracting and modeling method based on airborne LiDAR data |
| CN104050715A (en) * | 2014-06-23 | 2014-09-17 | 华北电力大学 | High-precision three-dimensional reconstruction method for power transmission line and corridor |
| CN104866840A (en) * | 2015-06-04 | 2015-08-26 | 广东中城规划设计有限公司 | Method for recognizing overhead power transmission line from airborne laser point cloud data |
Non-Patent Citations (5)
| Title |
|---|
| 张小红: "《机载激光雷达测量技术理论与方法》", 30 September 2007, 武汉大学出版社 * |
| 徐祖舰 等: "《机载激光雷达测量技术及工程应用实践》", 31 May 2009, 武汉大学出版社 * |
| 文华: "基于机载激光雷达技术的电力线路测量研究", 《科技资讯》 * |
| 江贤星: "基于机载激光雷达的某电力线路工程测量实施思路研究", 《科技创新导报》 * |
| 王俊刚 等: "机载激光雷达技术在电网工程建设中的应用", 《广东电力》 * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238845A (en) * | 2017-05-19 | 2017-10-10 | 云南电网有限责任公司电力科学研究院 | A kind of power transmission line unmanned machine flight path detection method based on 3 D laser scanning |
| CN107796304B (en) * | 2017-09-07 | 2019-12-03 | 中铁二院工程集团有限责任公司 | A kind of rail track tune of three-dimensional laser panorama draws method |
| CN107796304A (en) * | 2017-09-07 | 2018-03-13 | 中铁二院工程集团有限责任公司 | A kind of rail track of three-dimensional laser panorama is adjusted and paints method |
| CN107944129A (en) * | 2017-11-21 | 2018-04-20 | 北京恒华伟业科技股份有限公司 | A kind of method and device for creating cable model |
| CN108389255A (en) * | 2018-02-12 | 2018-08-10 | 西安电子科技大学 | Landform geometric parameter extracting method based on layering elevation cloud atlas |
| CN108389255B (en) * | 2018-02-12 | 2021-05-11 | 西安电子科技大学 | Terrain geometric parameter extraction method based on layered elevation cloud chart |
| CN108845663A (en) * | 2018-04-08 | 2018-11-20 | 中国航空规划设计研究总院有限公司 | Design and construction system |
| CN109470945A (en) * | 2018-04-19 | 2019-03-15 | 国网浙江省电力有限公司金华供电公司 | A kind of transmission line of electricity is handed over across point apart from automatic checkout system and method |
| CN108647607A (en) * | 2018-04-28 | 2018-10-12 | 国网湖南省电力有限公司 | Objects recognition method for project of transmitting and converting electricity |
| CN108876885A (en) * | 2018-06-29 | 2018-11-23 | 山东鲁能智能技术有限公司 | The Processing Method of Point-clouds and device of power equipment |
| CN108876885B (en) * | 2018-06-29 | 2022-10-14 | 国网智能科技股份有限公司 | Point cloud data processing method and device for power equipment |
| CN109242966B (en) * | 2018-08-07 | 2022-07-05 | 北京道亨软件股份有限公司 | 3D panoramic model modeling method based on laser point cloud data |
| CN109242966A (en) * | 2018-08-07 | 2019-01-18 | 北京道亨时代科技有限公司 | A kind of 3D panorama model modeling method based on laser point cloud data |
| CN110413664A (en) * | 2019-09-26 | 2019-11-05 | 广东电网有限责任公司佛山供电局 | A kind of important scissors crossing Intelligent statistical method of transmission line of electricity based on hypergraph platform |
| CN111507423A (en) * | 2020-04-24 | 2020-08-07 | 国网湖南省电力有限公司 | Engineering quantity calculation method for cleaning transmission line channel |
| CN111507423B (en) * | 2020-04-24 | 2023-06-09 | 国网湖南省电力有限公司 | Engineering quantity measuring method for cleaning transmission line channel |
| CN112288591A (en) * | 2020-09-28 | 2021-01-29 | 国网辽宁省电力有限公司检修分公司 | Three-dimensional management and control platform system based on laser point cloud map |
| CN112580428A (en) * | 2020-11-09 | 2021-03-30 | 义乌市输变电工程有限公司设计分公司 | Power distribution network design method and device |
| CN113052105A (en) * | 2021-03-31 | 2021-06-29 | 广东电网有限责任公司 | Intelligent identification method, device and medium for cross spanning of power transmission circuit |
| CN114518768A (en) * | 2022-01-25 | 2022-05-20 | 武汉飞流智能技术有限公司 | Power transmission line inspection method, device, equipment and storage medium |
| CN115546406A (en) * | 2022-10-13 | 2022-12-30 | 太原明远工程监理有限公司 | Reverse modeling method and system based on point cloud data |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106503060A (en) | A kind of transmission line of electricity three dimensional point cloud is processed and hands over across thing acquisition methods | |
| CN113034689B (en) | Laser point cloud-based terrain three-dimensional model, terrain map construction method and system, and storage medium | |
| KR101165534B1 (en) | Geospatial modeling system providing simulated tree trunks and branches for groups of tree crown vegetation points and related methods | |
| CN103258345B (en) | A kind of tree limb parameter extracting method based on ground laser radar 3-D scanning | |
| CN102645203B (en) | Power line crossover measurement method based on airborne laser radar data | |
| CN107093206A (en) | The method modeled using 3D laser scanner technique fast Bs IM | |
| CN102662179A (en) | Three-dimensional optimizing route selection method based on airborne laser radar | |
| CN109685886A (en) | A kind of distribution three-dimensional scenic modeling method based on mixed reality technology | |
| CN112729130A (en) | Method for measuring height of tree canopy by satellite remote sensing | |
| Xu et al. | Comparison of conventional measurement and LiDAR-based measurement for crown structures | |
| CN104835202A (en) | Quick three-dimensional virtual scene constructing method | |
| CN107832849B (en) | Knowledge base-based power line corridor three-dimensional information extraction method and device | |
| CN105354882A (en) | Method for constructing big data architecture based three-dimensional panoramic display platform for large-spatial-range electricity transmission | |
| CN112906719A (en) | Standing tree factor measuring method based on consumption-level depth camera | |
| CN114241155A (en) | Urban tree three-dimensional visualization method based on vehicle-mounted laser point cloud data | |
| CN115187648A (en) | Reverse modeling method and device for power transmission line body, electronic equipment and storage medium | |
| CN105627915A (en) | Three-dimensional green quantity method for arbors | |
| CN113670258B (en) | Hydraulic engineering section manufacturing method | |
| Huang et al. | A 3D individual tree modeling technique based on terrestrial LiDAR point cloud data | |
| CN107705360B (en) | Method for quickly generating section of mountain landscape | |
| CN112686988B (en) | Three-dimensional modeling method, three-dimensional modeling device, electronic equipment and storage medium | |
| CN106846486A (en) | Ancient and well-known trees mapping method and device based on a cloud | |
| CN103218853A (en) | Crop single-root deformable modeling method | |
| CN108061520A (en) | A kind of method that Forestry Investigation is carried out using three-dimensional laser scanner | |
| CN114186314A (en) | Method for acquiring power line section diagram |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |
|
| RJ01 | Rejection of invention patent application after publication |