CN111783192B - Complex terrain field flat earthwork calculation method based on oblique photography live-action model - Google Patents
Complex terrain field flat earthwork calculation method based on oblique photography live-action model Download PDFInfo
- Publication number
- CN111783192B CN111783192B CN202010538162.6A CN202010538162A CN111783192B CN 111783192 B CN111783192 B CN 111783192B CN 202010538162 A CN202010538162 A CN 202010538162A CN 111783192 B CN111783192 B CN 111783192B
- Authority
- CN
- China
- Prior art keywords
- field
- model
- site
- oblique photography
- leveling
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/08—Indexing scheme for image data processing or generation, in general involving all processing steps from image acquisition to 3D model generation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Software Systems (AREA)
- Evolutionary Computation (AREA)
- Computer Graphics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Multimedia (AREA)
- Radar, Positioning & Navigation (AREA)
- Processing Or Creating Images (AREA)
- Image Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a method for calculating the flat earthwork of a complex terrain field based on an oblique photography live-action model, which comprises the steps of carrying out field operation investigation and setting flight data; selecting a coordinate system and a phase control point, and extracting aerial photos and pos data by adopting aerial photography of an unmanned aerial vehicle; importing a processing platform to generate an oblique photography model; checking and verifying the phase control points of the oblique photography model to realize accurate positioning of a coordinate system and elevation; filtering the interference objects in the oblique photography model to obtain a real scene model of a flat field; importing the real scene model into a viewing application tool, and dividing the real scene model into an excavation area and a filling area according to the actual field leveling elevation; and calculating the earthwork engineering quantity of the excavation and filling area by taking the site leveling elevation as a reference, and performing self-balancing utilization of the excavation and filling earthwork. The method utilizes the unmanned aerial vehicle to build a real scene model, extract topographic data, set the level of the ground leveling, and realize automatic and rapid calculation of the excavation and filling amount of the earthwork in the process of the ground leveling.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a method for calculating the flat earthwork of a complex terrain field based on an oblique photography live-action model.
Background
In municipal engineering, an operation field basically has the characteristics of large area and long linearity, and particularly in regions with complex landforms, the calculation of the earthwork amount is complex. Grid networks, triangular networks and the like are commonly used in an earth calculation mode in a complex terrain, but the requirement on original data of original landforms is particularly high, a large amount of manpower and material resources are wasted in the whole earth calculation, the deviation of a calculation result is large, and the calculation operation efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for calculating the flat earthwork of a complex terrain field based on a tilt photography live-action model, which overcomes the defect of field flat earthwork calculation in municipal engineering, rapidly and flexibly collects the current ground information in an area by using an unmanned aerial vehicle tilt photography technology, builds a live-action model, extracts the data of the terrain by using a three-dimensional live-action model building tool, sets the field flat elevation, and realizes automatic and rapid calculation of the excavation and filling amount of the earthwork in the field flat process.
In order to solve the technical problem, the method for calculating the flat earthwork of the complex terrain field based on the oblique photography live-action model comprises the following steps:
step one, performing field operation investigation on a flat site of a field, setting a flight area, a flight height and a flight number, and selecting a starting point and a landing point according to the field operation investigation;
selecting an adopted coordinate system, and formulating on-site phase control points, wherein the number of the on-site phase control points is not less than 10 per square kilometer, the on-site phase control point mark adopts a 40 multiplied by 40cm double-color diagonal pattern, and no shielding object is arranged above the on-site phase control point mark;
thirdly, carrying out field leveling field aerial photography by adopting an unmanned aerial vehicle with a five-eye camera, and extracting photos in front of, behind, on the left, on the right and below the unmanned aerial vehicle and pos data of aerial photography by the unmanned aerial vehicle;
importing the oblique images shot by the unmanned aerial vehicle and the corresponding POS data into a processing platform, and performing uniform light and color, geometric correction, multi-view matching, aerial triangulation control point encryption, DSM generation and real projective image production processing to generate an oblique photography model;
checking and multi-point verifying the coordinates of the oblique photography model and the site phase control point to ensure accurate positioning of the oblique photography model to a coordinate system and an elevation of the whole site leveling site;
filtering trees, structures to be moved and interferents in the oblique photography model, ensuring the terrain accuracy of the oblique photography model, and obtaining a real scene model of a flat site;
step seven, guiding the real scene model into a viewing application tool, viewing the overall terrain condition of the field leveling site, and performing field segmentation on the field leveling site according to the actual field leveling elevation, wherein the segment higher than the field leveling elevation is an excavation region, and the segment lower than the field leveling elevation is a fill region;
and step eight, automatically calculating the earthwork engineering quantities of the excavation area and the filling area by taking the field leveling elevation as a reference, and simultaneously carrying out self-balancing utilization of excavation and filling earthwork.
Further, the flying area is not more than 0.5 square kilometer per flying frame, and the flying height is at least 30 meters higher than the highest height of buildings in the site leveling site.
Further, unmanned aerial vehicle five-mesh camera includes the camera on a perpendicular to ground and four slope cameras that are certain contained angle with ground.
The invention adopts the technical scheme that the method for calculating the flat earthwork of the complex terrain field based on the oblique photography live-action model is used for carrying out field exploration on the field and setting flight data, a flying start point and a landing point; selecting a coordinate system and a phase control point, and taking aerial photos by adopting an unmanned aerial vehicle and extracting pos data; importing a processing platform and processing to generate an oblique photography model; checking and verifying the phase control points of the oblique photography model to realize accurate positioning of a coordinate system and elevation; filtering the interference objects in the oblique photography model to obtain a real scene model of a flat field; importing the real scene model into a viewing application tool, and dividing the real scene model into an excavation area and a filling area according to the actual field leveling elevation; and calculating the earthwork engineering quantity of the excavation and filling area by taking the field leveling elevation as a reference, and performing self-balancing utilization of the excavation and filling earthwork. The method utilizes the unmanned aerial vehicle to quickly and flexibly collect the current ground information in the area, builds a real scene model, extracts topographic data, sets the field leveling elevation, and realizes automatic and quick calculation of the excavation and filling amount of the earthwork in the field leveling process.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic block diagram of a method for computing the earth flatness of a complex terrain field based on an oblique photography live-action model according to the present invention;
FIG. 2 is a schematic diagram of the cut and fill areas of the method.
Detailed Description
For example, as shown in fig. 1 and fig. 2, the method for calculating the flat earthwork of the complex terrain field based on the oblique photography live-action model of the present invention includes the following steps:
step one, performing field operation investigation on a flat site of a field, setting a flight area, a flight height and a flight number, and selecting a starting point and a landing point according to the field operation investigation;
selecting an adopted coordinate system, and formulating on-site phase control points, wherein the number of the on-site phase control points is not less than 10 per square kilometer, the on-site phase control point mark adopts a 40 multiplied by 40cm double-color diagonal pattern, and no shielding object is arranged above the on-site phase control point mark;
thirdly, carrying out field leveling field aerial photography by adopting an unmanned aerial vehicle with a five-eye camera, and extracting photos in front of, behind, on the left, on the right and below the unmanned aerial vehicle and pos data of aerial photography by the unmanned aerial vehicle;
importing the oblique images shot by the unmanned aerial vehicle and the corresponding POS data into a processing platform, and performing uniform light and color, geometric correction, multi-view matching, aerial triangulation control point encryption, DSM generation and real projective image production processing to generate an oblique photography model; the aerial triangulation is a measuring method for encrypting control points indoors according to a small number of field control points in stereo photogrammetry to obtain the elevation and the plane position of the encrypted points; the DSM is a Digital Surface model (Digital Surface Map), which is a ground elevation model containing height information of ground buildings, bridges, trees and the like and covers the elevation of ground Surface information except the ground; the True projective Map (TDOM) is based on the Digital Surface Model (DSM), and corrects the geometric deformation of the original image by using the Digital differential correction technology, the TDOM performs image resampling on the whole subarea, and the quality of the sampled image mainly depends on the quality of the DSM. Only high quality DSM can generate high quality true shadowgraphs;
checking and multi-point verifying the coordinates of the oblique photography model and the site phase control point to ensure accurate positioning of the oblique photography model to a coordinate system and an elevation of the whole site leveling site;
filtering trees, structures to be moved and interferents in the oblique photography model, ensuring the terrain accuracy of the oblique photography model, and obtaining a real scene model of a flat site;
step seven, guiding the real scene model into a viewing application tool, viewing the overall terrain condition of the field leveling site, and performing field segmentation on the field leveling site according to the actual field leveling elevation, wherein the segment higher than the field leveling elevation is an excavation region, and the segment lower than the field leveling elevation is a fill region;
and step eight, automatically calculating the earthwork engineering quantities of the excavation area and the filling area by taking the field leveling elevation as a reference, and simultaneously carrying out self-balancing utilization of excavation and filling earthwork.
Preferably, the flying area is not more than 0.5 square kilometer per flying frame, and the flying height is at least 30 meters higher than the highest height of the building in the site leveling site.
Preferably, unmanned aerial vehicle five-eye camera includes the camera on a perpendicular to ground and four slope cameras that are certain contained angle with ground.
The method can quickly and flexibly collect the current ground information in the field area through the unmanned aerial vehicle oblique photography technology, and build the live-action modeling. And extracting topographic data through a three-dimensional live-action modeling software tool (context capture viewer), setting a field leveling elevation, and automatically and quickly calculating the earth excavation and filling amount in the field leveling process.
And selecting a field phase control point, setting flight routes, air routes and flight times parameters, and collecting a live-action model of the existing field. The accuracy of coordinates and elevation is checked on the basis of the live-action model, a field leveling reference elevation is selected by using relevant software, the excavation amount higher than the elevation is automatically calculated, the filling amount lower than the elevation is automatically calculated, and the whole earthwork calculation process is high in efficiency and accuracy.
The invention well solves the problems of earthwork calculation of complex terrains and self-balancing utilization of internal earthwork, can efficiently and accurately calculate the amount of flat earthwork in a field, and provides a basis for engineering settlement.
Claims (3)
1. A method for calculating the flat earthwork of a complex terrain field based on an oblique photography live-action model is characterized by comprising the following steps:
step one, performing field operation investigation on a flat site of a field, setting a flight area, a flight height and a flight number, and selecting a starting point and a landing point according to the field operation investigation;
selecting an adopted coordinate system, and formulating on-site phase control points, wherein the number of the on-site phase control points is not less than 10 per square kilometer, the on-site phase control point mark adopts a 40 multiplied by 40cm double-color diagonal pattern, and no shielding object is arranged above the on-site phase control point mark;
thirdly, carrying out field leveling field aerial photography by adopting an unmanned aerial vehicle with a five-eye camera, and extracting photos in front of, behind, on the left, on the right and below the unmanned aerial vehicle and pos data of the aerial photography by the unmanned aerial vehicle;
importing the oblique images shot by the unmanned aerial vehicle and the corresponding POS data into a processing platform, and performing uniform light and color, geometric correction, multi-view matching, aerial triangulation control point encryption, DSM generation and real projective image production processing to generate an oblique photography model;
checking and multi-point verifying the coordinates of the oblique photography model and the site phase control point to ensure accurate positioning of the oblique photography model to a coordinate system and an elevation of the whole site leveling site;
filtering trees, structures to be moved and interferents in the oblique photography model, ensuring the terrain accuracy of the oblique photography model, and obtaining a real scene model of a flat site;
step seven, guiding the real scene model into a viewing application tool, viewing the overall terrain condition of the field leveling site, and performing field segmentation on the field leveling site according to the actual field leveling elevation, wherein the segment higher than the field leveling elevation is an excavation region, and the segment lower than the field leveling elevation is a fill region;
and step eight, automatically calculating the earthwork engineering quantities of the excavation area and the filling area by taking the field leveling elevation as a reference, and simultaneously carrying out self-balancing utilization of excavation and filling earthwork.
2. The oblique photography real estate model-based complex terrain earth leveling calculation method of claim 1, characterized by: the flying area is not more than 0.5 square kilometer per flying number, and the flying height is at least 30 meters higher than the highest height of buildings in a flat site.
3. The method for computing the level earth of a complex terrain field based on an oblique photography live-action model according to claim 1 or 2, characterized in that: five mesh cameras of unmanned aerial vehicle include the camera on a perpendicular to ground and four slope cameras that are certain contained angle with ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538162.6A CN111783192B (en) | 2020-06-12 | 2020-06-12 | Complex terrain field flat earthwork calculation method based on oblique photography live-action model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538162.6A CN111783192B (en) | 2020-06-12 | 2020-06-12 | Complex terrain field flat earthwork calculation method based on oblique photography live-action model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111783192A CN111783192A (en) | 2020-10-16 |
| CN111783192B true CN111783192B (en) | 2022-08-12 |
Family
ID=72756230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010538162.6A Active CN111783192B (en) | 2020-06-12 | 2020-06-12 | Complex terrain field flat earthwork calculation method based on oblique photography live-action model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111783192B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485839B (en) * | 2022-02-18 | 2024-05-17 | 中建八局第二建设有限公司 | Soil and stone balance blending device based on oblique photography and operation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8159524B2 (en) * | 2009-11-09 | 2012-04-17 | Google Inc. | Orthorectifying stitched oblique imagery to a nadir view, and applications thereof |
| CN107356230B (en) * | 2017-07-12 | 2020-10-27 | 深圳市武测空间信息有限公司 | Digital mapping method and system based on live-action three-dimensional model |
| CN109063638A (en) * | 2018-07-30 | 2018-12-21 | 深圳大学 | Method, system and medium based on oblique photograph prediction waste yield |
| CN109520479A (en) * | 2019-01-15 | 2019-03-26 | 成都建工集团有限公司 | Method based on unmanned plane oblique photograph auxiliary earth excavation construction |
| CN110136259A (en) * | 2019-05-24 | 2019-08-16 | 唐山工业职业技术学院 | A kind of dimensional Modeling Technology based on oblique photograph auxiliary BIM and GIS |
| CN110285792B (en) * | 2019-07-02 | 2021-06-01 | 山东省交通规划设计院集团有限公司 | Fine grid earthwork metering method for unmanned aerial vehicle oblique photography |
| CN111256730A (en) * | 2020-02-26 | 2020-06-09 | 中国建筑第四工程局有限公司 | Earth mass balance correction calculation method for low-altitude oblique photogrammetry technology |
-
2020
- 2020-06-12 CN CN202010538162.6A patent/CN111783192B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111783192A (en) | 2020-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100912715B1 (en) | Method and apparatus of digital photogrammetry by integrated modeling for different types of sensors | |
| CN113607135B (en) | Unmanned aerial vehicle inclination photogrammetry method for road and bridge construction field | |
| CN111724477A (en) | Method for constructing multi-level three-dimensional terrain model through multi-source data fusion | |
| CN108168521A (en) | One kind realizes landscape three-dimensional visualization method based on unmanned plane | |
| CN112113542A (en) | Method for checking and accepting land special data for aerial photography construction of unmanned aerial vehicle | |
| CN111667569B (en) | Three-dimensional live-action soil visual accurate measurement and calculation method based on Rhino and Grasshopper | |
| CN113192193A (en) | High-voltage transmission line corridor three-dimensional reconstruction method based on Cesium three-dimensional earth frame | |
| CN113971768A (en) | Unmanned aerial vehicle-based three-dimensional dynamic detection method for power transmission line illegal building | |
| CN111797454A (en) | Foundation pit earth volume calculation method based on digital informatization technology | |
| CN112862966B (en) | Method, device, equipment and storage medium for constructing surface three-dimensional model | |
| CN111256730A (en) | Earth mass balance correction calculation method for low-altitude oblique photogrammetry technology | |
| CN113032977A (en) | Method for measuring and calculating earth and rock volume based on unmanned aerial vehicle inverse modeling technology | |
| CN114299236A (en) | Oblique photogrammetry space-ground fusion live-action modeling method, device, product and medium | |
| CN116883604A (en) | Three-dimensional modeling technical method based on space, air and ground images | |
| CN111986074A (en) | Real projective image manufacturing method, device, equipment and storage medium | |
| CN116129064A (en) | Electronic map generation method, device, equipment and storage medium | |
| CN115965790A (en) | Oblique photography point cloud filtering method based on cloth simulation algorithm | |
| CN111783192B (en) | Complex terrain field flat earthwork calculation method based on oblique photography live-action model | |
| CN114564779A (en) | Planning method for complex mountain construction sidewalk based on BIM and unmanned aerial vehicle | |
| CN111986320B (en) | Smart city application-oriented DEM and oblique photography model space fitting optimization method | |
| Wu et al. | Application analysis of three-dimensional real scene modeling of substation site based on UAV tilt photography | |
| CN114972672B (en) | Method, device, equipment and storage medium for constructing live-action three-dimensional model of power transmission line | |
| EP3664038A1 (en) | Geospatial surveying tool | |
| CN115713607A (en) | Method for improving modeling quality based on laser radar and oblique photography | |
| Seong et al. | UAV Utilization for Efficient Estimation of Earthwork Volume Based on DEM |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |