CN111899340A - Engineering surveying method based on point cloud data real-time transmission - Google Patents
Engineering surveying method based on point cloud data real-time transmission Download PDFInfo
- Publication number
- CN111899340A CN111899340A CN202010777915.9A CN202010777915A CN111899340A CN 111899340 A CN111899340 A CN 111899340A CN 202010777915 A CN202010777915 A CN 202010777915A CN 111899340 A CN111899340 A CN 111899340A
- Authority
- CN
- China
- Prior art keywords
- communication module
- point cloud
- controller
- method comprises
- terminal controller
- 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
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000012876 topography Methods 0.000 claims abstract description 15
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
Abstract
The invention provides an engineering surveying method based on point cloud data real-time transmission, which comprises the following steps: providing an unmanned aerial vehicle and a terminal controller, wherein the unmanned aerial vehicle is provided with a front-end controller, a power module, an oblique photography camera, a graphic processor and a resolver, the front-end controller is internally provided with a communication module A, the terminal controller is internally provided with a communication module B, and the communication module A is in wireless communication connection with the communication module B; the method comprises the steps of acquiring and acquiring ground topography data of a target area by transferring an oblique photography camera from a starting point to an ending point, converting the ground topography data into a topographic map by using a graphic processor, converting the topographic map into a point cloud map by using a resolver, transmitting the point cloud map to a terminal controller, and finally generating a three-dimensional model of the earth surface and displaying the three-dimensional model to a user. By adopting the technical scheme of the invention, engineering technicians can acquire related data in time, carry out three-dimensional modeling design work in time and improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of engineering surveying, in particular to an engineering surveying method based on point cloud data real-time transmission.
Background
The oblique photography technology is a new technology developed in the field of international engineering survey in recent ten years, images are collected for a target area through the oblique photography technology, abundant top surfaces and side-looking high-resolution textures of buildings are obtained, the ground object conditions can be truly reflected, and a corresponding three-dimensional model can be established according to the obtained corresponding information protective equipment, so that engineering technicians can analyze and process the ground object conditions conveniently, the labor cost is reduced, and the modeling speed is increased. However, the existing oblique photography modeling method is not accurate enough for controlling modeling details, rendering errors are large, and in addition, in the process of surveying the engineering, collected data cannot be timely transmitted to a ground base station, so that engineering technicians cannot obtain related data, and three-dimensional modeling design work cannot be carried out.
Disclosure of Invention
In order to solve the technical problem, the invention provides an engineering surveying method based on point cloud data real-time transmission.
The invention is realized by the following technical scheme.
The invention provides an engineering surveying method based on point cloud data real-time transmission, which comprises the following steps:
the method comprises the following steps: providing an unmanned aerial vehicle and a terminal controller, wherein the unmanned aerial vehicle is provided with a front-end controller, a power module, an oblique photography camera, a graphic processor and a resolver, the front-end controller is internally provided with a communication module A, the oblique photography camera, the graphic processor and the resolver are sequentially connected in series and then connected with the communication module A, the front-end controller is connected with the power module, the terminal controller is internally provided with a communication module B and a display module, and a wireless communication connection is established between the communication module A and the communication module B;
step two: selecting two different position points on a boundary line of a target area as a starting point and an end point respectively, sending a navigation instruction and a preset route connecting the starting point and the end point to the front end controller through the end controller, enabling an oblique photography camera to transfer from the starting point to the end point along at least two different routes, acquiring ground topography data of the target area through the oblique photography camera, converting the ground topography data into a topographic map through a graphic processor, converting the topographic map into a point cloud map through a resolver, and transmitting the point cloud map to the end controller through wireless communication connection between the communication module A and the communication module B;
step three: and generating a ground surface three-dimensional model on the terminal controller by using the point cloud picture obtained in the step two through feature software A, and displaying the ground surface three-dimensional model to a user through a display module built in the terminal controller.
In the third step, the feature software A is Context Capture Center software.
The engineering surveying method based on the point cloud data real-time transmission further comprises the following steps:
and after the third step is completed, refining the acquired three-dimensional model of the earth surface through feature software B.
The feature software B is SuperMap iDesktop 9D.
The routes include a primary route located vertically directly above the target area and a secondary route located to the left or right of the primary route.
The engineering surveying method based on the point cloud data real-time transmission further comprises the following steps:
before the third step, the second step is repeated for a plurality of times, and the routes formed in the process of acquiring and acquiring the ground topography data of the target area for any two times are staggered with each other.
The oblique photography camera has at least 5 imaging lenses.
The terminal controller is a computer.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the unmanned aerial vehicle collects the ground topography data of the target area along a plurality of routes, the shooting blind area of the oblique photography camera can be reduced, a data base is established for establishing a truer and clearer three-dimensional model, the established three-dimensional model is more refined, truer and clearer through the processing of special processing software, a base is established for the technical analysis work of engineering technicians, in addition, the obtained topography data is converted into a point cloud picture and is directly and timely transmitted to the ground terminal controller, the engineering technicians can timely obtain related data, the three-dimensional modeling design work is timely carried out, and the work efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the connection of the present invention.
Detailed Description
The technical solutions of the present invention are further described below, but the scope of the claims is not limited thereto.
As shown in FIG. 1, the invention provides an engineering surveying method based on point cloud data real-time transmission, which comprises the following steps:
the method comprises the following steps: providing an unmanned aerial vehicle and a terminal controller, wherein the unmanned aerial vehicle is provided with a front-end controller, a power module, an oblique photography camera, a graphic processor and a resolver, the front-end controller is internally provided with a communication module A, the oblique photography camera, the graphic processor and the resolver are sequentially connected in series and then connected with the communication module A, the front-end controller is connected with the power module, the terminal controller is internally provided with a communication module B and a display module, and a wireless communication connection is established between the communication module A and the communication module B; the oblique photography camera has at least 5 imaging lenses. The terminal controller is a computer.
Step two: selecting two different position points on a boundary line of a target area as a starting point and an end point respectively, sending a navigation instruction and a preset route between the starting point and the end point to a front-end controller through a terminal controller, enabling an oblique photography camera to transfer from the starting point to the end point along at least two different routes, acquiring ground topography data of the target area through the oblique photography camera, converting the ground topography data into a topographic map through a graphic processor, converting the topographic map into a point cloud map through a resolver, and transmitting the point cloud map to the terminal controller through wireless communication connection between a communication module A and a communication module B; the routes include a primary route located vertically directly above the target area and a secondary route located to the left or right of the primary route.
Step three: and (4) generating a surface three-dimensional model on the terminal controller by using the point cloud picture obtained in the step two through the feature software A, and displaying the surface three-dimensional model to a user through a display module built in the terminal controller. Further, it is preferable that the feature software a in step three is Context Capture Center software.
In addition, the engineering surveying method based on the point cloud data real-time transmission further comprises the following steps:
and after the third step is completed, refining the acquired three-dimensional model of the earth surface through feature software B. The preferred feature software B is SuperMap iDesktop 9D.
Further, the engineering surveying method based on the point cloud data real-time transmission further comprises the following steps: before the third step, the second step is repeated for a plurality of times, and the routes formed in the process of acquiring and acquiring the ground topography data of the target area for any two times are staggered with each other.
By adopting the technical scheme of the invention, the unmanned aerial vehicle collects the ground topography data of the target area along a plurality of routes, the shooting blind area of the oblique photography camera can be reduced, a data base is established for establishing a truer and clearer three-dimensional model, the established three-dimensional model is more refined, truer and clearer through the processing of special processing software, a base is established for the technical analysis work of engineering technicians, in addition, the obtained topography data is converted into a point cloud picture and is directly and timely transmitted to the ground terminal controller, the engineering technicians can timely obtain related data, the three-dimensional modeling design work is timely carried out, and the work efficiency is improved.
Claims (8)
1. An engineering surveying method based on point cloud data real-time transmission is characterized in that: the method comprises the following steps:
the method comprises the following steps: providing an unmanned aerial vehicle and a terminal controller, wherein the unmanned aerial vehicle is provided with a front-end controller, a power module, an oblique photography camera, a graphic processor and a resolver, the front-end controller is internally provided with a communication module A, the oblique photography camera, the graphic processor and the resolver are sequentially connected in series and then connected with the communication module A, the front-end controller is connected with the power module, the terminal controller is internally provided with a communication module B and a display module, and a wireless communication connection is established between the communication module A and the communication module B;
step two: selecting two different position points on a boundary line of a target area as a starting point and an end point respectively, sending a navigation instruction and a preset route connecting the starting point and the end point to the front end controller through the end controller, enabling an oblique photography camera to transfer from the starting point to the end point along at least two different routes, acquiring ground topography data of the target area through the oblique photography camera, converting the ground topography data into a topographic map through a graphic processor, converting the topographic map into a point cloud map through a resolver, and transmitting the point cloud map to the end controller through wireless communication connection between the communication module A and the communication module B;
step three: and generating a ground surface three-dimensional model on the terminal controller by using the point cloud picture obtained in the step two through feature software A, and displaying the ground surface three-dimensional model to a user through a display module built in the terminal controller.
2. The method of claim 1, wherein the method comprises: in the third step, the feature software A is Context Capture Center software.
3. The method of claim 1, wherein the method comprises: the engineering surveying method based on the point cloud data real-time transmission further comprises the following steps:
and after the third step is completed, refining the acquired three-dimensional model of the earth surface through feature software B.
4. The method of claim 3, wherein the method comprises: the feature software B is SuperMap iDesktop 9D.
5. The method of claim 1, wherein the method comprises: the routes include a primary route located vertically directly above the target area and a secondary route located to the left or right of the primary route.
6. The method of claim 1, wherein the method comprises: the engineering surveying method based on the point cloud data real-time transmission further comprises the following steps:
before the third step, the second step is repeated for a plurality of times, and the routes formed in the process of acquiring and acquiring the ground topography data of the target area for any two times are staggered with each other.
7. The method of claim 1, wherein the method comprises: the oblique photography camera has at least 5 imaging lenses.
8. The method of claim 1, wherein the method comprises: the terminal controller is a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777915.9A CN111899340A (en) | 2020-08-05 | 2020-08-05 | Engineering surveying method based on point cloud data real-time transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777915.9A CN111899340A (en) | 2020-08-05 | 2020-08-05 | Engineering surveying method based on point cloud data real-time transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111899340A true CN111899340A (en) | 2020-11-06 |
Family
ID=73246995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010777915.9A Pending CN111899340A (en) | 2020-08-05 | 2020-08-05 | Engineering surveying method based on point cloud data real-time transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111899340A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064954A (en) * | 2017-05-24 | 2017-08-18 | 云南省交通规划设计研究院 | A kind of highway topography mapping method and system based on vehicle-mounted and airborne cloud |
| CN109087393A (en) * | 2018-07-23 | 2018-12-25 | 汕头大学 | A method of building three-dimensional map |
| CN211180212U (en) * | 2019-11-29 | 2020-08-04 | 北京四维图新科技股份有限公司 | Mobile terminal for collecting map data and map collecting system |
-
2020
- 2020-08-05 CN CN202010777915.9A patent/CN111899340A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064954A (en) * | 2017-05-24 | 2017-08-18 | 云南省交通规划设计研究院 | A kind of highway topography mapping method and system based on vehicle-mounted and airborne cloud |
| CN109087393A (en) * | 2018-07-23 | 2018-12-25 | 汕头大学 | A method of building three-dimensional map |
| CN211180212U (en) * | 2019-11-29 | 2020-08-04 | 北京四维图新科技股份有限公司 | Mobile terminal for collecting map data and map collecting system |
Non-Patent Citations (1)
| Title |
|---|
| 张会霞等: "基于三维GIS的虚拟校园环境研究", 《测绘通报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112767391B (en) | Power grid line part defect positioning method integrating three-dimensional point cloud and two-dimensional image | |
| CN110992487B (en) | Rapid three-dimensional map reconstruction device and reconstruction method for hand-held airplane fuel tank | |
| CN113192206B (en) | Three-dimensional model real-time reconstruction method and device based on target detection and background removal | |
| CN104809754A (en) | Space synchronous positioning and information recording system based on three-dimensional real scene model | |
| CN109920009B (en) | Control point detection and management method and device based on two-dimensional code identification | |
| CN113706594B (en) | Three-dimensional scene information generation system, method and electronic equipment | |
| CN109800316B (en) | City planning auxiliary management system based on three-dimensional modeling | |
| KR100911931B1 (en) | Method and apparatus for generating 3d building model | |
| CN112836260A (en) | Three-dimensional mapping and collecting method and system for building foundation structure data | |
| CN115512042A (en) | Network training and scene reconstruction method, device, machine, system and equipment | |
| CN110286384B (en) | High-precision map generation system and method based on multi-line laser point cloud polarization representation | |
| CN106875330B (en) | Method for rotating plane model into spherical model | |
| CN111678503A (en) | Unmanned aerial vehicle aerial survey control point arrangement and identification method and system | |
| CN115017454A (en) | Unmanned aerial vehicle and mobile measuring vehicle air-ground cooperative networking remote sensing data acquisition system | |
| CN111899340A (en) | Engineering surveying method based on point cloud data real-time transmission | |
| CN111912391A (en) | Large-scene engineering geological remote sensing interpretation method based on frame type digital image | |
| CN112651991A (en) | Visual positioning method, device and computer system | |
| CN113377894B (en) | Power transmission line net rack ledger management method for rapidly marking and extracting point cloud data | |
| CN112304250B (en) | Three-dimensional matching equipment and method between moving objects | |
| CN111899339A (en) | Three-dimensional modeling method based on multi-channel oblique photography | |
| CN112257535B (en) | Three-dimensional matching equipment and method for avoiding object | |
| CN115049794A (en) | Method and system for generating dense global point cloud picture through deep completion | |
| CN203772276U (en) | Independent mapping equipment | |
| CN111191513A (en) | Method for estimating position of mobile robot based on scene size analysis | |
| CN111141270A (en) | Mobile robot position estimation method based on sky line analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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: 20201106 |
|
| RJ01 | Rejection of invention patent application after publication |