CN107221027A - A kind of method that User Defined content is embedded in oblique photograph threedimensional model - Google Patents
A kind of method that User Defined content is embedded in oblique photograph threedimensional model Download PDFInfo
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- CN107221027A CN107221027A CN201610161620.2A CN201610161620A CN107221027A CN 107221027 A CN107221027 A CN 107221027A CN 201610161620 A CN201610161620 A CN 201610161620A CN 107221027 A CN107221027 A CN 107221027A
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- China
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- threedimensional model
- oblique photograph
- model
- user
- interest
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Classifications
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- 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
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/04—Texture mapping
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10032—Satellite or aerial image; Remote sensing
Abstract
The main purpose of oblique photograph technology is to obtain the information in the multiple orientation of atural object (especially side) and be available for user's multi-angle to browse, real-time measurement, and three dimensional navigation etc. obtains many information.The present invention proposes a kind of method that User Defined content is embedded in oblique photograph threedimensional model, the digital surface model changed with reference to the two-dimentional edit operation and superposition of user, for quickly realizing oblique photograph threedimensional model post-processing and User Defined effect.The technical solution adopted in the present invention is：1) orthography, editor's area-of-interest (ROI) are generated.2) digital surface model (DSM) is generated.3) User Defined threedimensional model is covered region of interest.This process simplify the workflow of oblique photograph threedimensional model post-processing editor, the workload to artificial three-dimensional modeling personnel is reduced, algorithm complex is low, the oblique photograph threedimensional model of magnanimity City scenarios can be quickly handled in real time.
Description
Technical field
Oblique photograph technology is the new and high technology that international Mapping remote sensing technology field developed recently gets up, by flying same
Many sensors are carried on row platform, while from the different angle acquisition images such as vertical, inclination, obtaining ground object more
For the information of complete and accurate.The main purpose of oblique photograph technology is to obtain the multiple orientation of atural object (especially side)
Information is simultaneously available for user's multi-angle to browse, real-time measurement, and three dimensional navigation etc. obtains many information.The present invention is proposed
A kind of method that User Defined content is embedded in oblique photograph threedimensional model, can be used for oblique photograph threedimensional model
Post-processing and realize User Defined effect.
Background technology
Oblique photograph threedimensional model provides the geometry of urban surface landscape in the way of a kind of continuous grids and texture table reaches.
Include the various elements of urban surface landscape in model, such as building, road network, trees, water body and landform.Tilt
The continuous grids of photography threedimensional model are made up of one group of triangle object for not including semantic information, pass through a levels of detail
Secondary (Level of Details) model cootrol.In actual applications, after oblique photograph obtaining three-dimensional model, its matter
The application demand of user can not be fully met, it is necessary to enter traveling one to oblique photograph threedimensional model in terms of amount, effect
Threedimensional model piecemeal, is exported as the model format that CAD software can be recognized, is then introduced into CAD by step processing, editor
Manual edit, repairing, self-defined etc. are carried out in software, therefore is taken time and effort very much.
The present invention proposes a kind of method that User Defined content is embedded in oblique photograph threedimensional model, with reference to user's
Two-dimension GIS edit operation is simultaneously superimposed the digital surface model changed, for quickly realizing after oblique photograph threedimensional model
Phase is handled and User Defined effect.
The content of the invention
The present invention is a kind of by the insertion oblique photograph three of User Defined content to be provided the problem of solution in known technology
The method of dimension module.
It is of the invention to be to solve the technical scheme used the problem of in known technology：
(1) orthography is generated, as shown in Figure 1.Area-of-interest (ROI) is edited, as shown in Figure 2.Delineate
Go out a region of interest, covering needs the model area edited.
(2) digital surface model (DSM) is generated.Elevation sampling is carried out to region of interest, and using in GIS functions
Attributes edit and space interpolation generate a user-defined digital surface model (DSM), such as Fig. 3
It is shown.For some height value identical plane domains, such as the water surface can use identical elevation
Value is filled.
(3) User Defined threedimensional model is covered region of interest.User is defined into object, the road of such as manual delineation
The BUILDINGS MODELS of road texture, the ripples effect automatically generated or manual creation, covers and is repaiied by DSM
The region of interest changed.Road effect before and after improving is as shown in Figure 4.
The present invention has the advantages and positive effects of：Propose a kind of that the insertion oblique photograph of User Defined content is three-dimensional
The method of model, mainly includes interest region (ROI) editor, digital surface model (DSM) modification and user and makes by oneself
Adopted threedimensional model covers three steps.The advantage of the invention is：1) inclination is changed by the edit operation of two-dimension GIS to take the photograph
The content of shadow threedimensional model；2) texture content of oblique photograph threedimensional model is changed by changing bidimensional image；3)
It just can dynamically change real-time rendering effect without the oblique photograph model for changing original.The method letter that the present invention is used
The workload of oblique photograph threedimensional model post-processing editor is changed, reducing will to the technology of artificial three-dimensional modeling personnel
Summation workflow, algorithm computation complexity is low, requires low for computer hardware, magnanimity can be quickly handled in real time
The oblique photograph threedimensional model of City scenarios building.Workflow framework proposed by the present invention is as shown in Figure 5.
Brief description of the drawings
Below by the committed step and effect of one group of brief description of the drawings this method.
Fig. 1 is the digital orthoimage and digital surface that oblique photograph threedimensional model is generated using two-dimension GIS editting function
Model.
Fig. 2 is that digital orthoimage and digital surface model editor's interest region ROI are based in GIS software.
Fig. 3 is to not having the region of tree to carry out elevation sampling on road in GIS software, so as to generate smooth road
Surface.
Fig. 4 is by changing digital surface model and digital orthoimage come road improvement effect.
Fig. 5 is the workflow by the present invention, and specific model in oblique photograph is replaced with user-defined three-dimensional
Model.
Fig. 6 is the method by the present invention, and the original plot in oblique photograph threedimensional model is replaced with different purposes
Plot.
Embodiment
The present invention is described in detail with reference to embodiment.The present invention proposes a kind of by User Defined content
The method of embedded oblique photograph threedimensional model, the two dimension with reference to user is edited and is superimposed existing digital surface model, is used
In quickly realizing oblique photograph threedimensional model post-processing and User Defined effect.
The realization of the present invention mainly includes the following aspects：
(1) orthography, editor's area-of-interest (ROI) are generated.In order to support in two dimensional graphics environment,
Such as in ArcGIS or PhotoShop, elevation and Texture Editing are carried out, it is necessary first to by oblique photograph
Threedimensional model is converted to digital orthoimage DOM and digital surface model DSM.Use computer graphical
Threedimensional model can be converted to two dimensional image by the texture baking method in.It is larger for scene areas
Situation, it is necessary to be split so that after segmentation per sub-regions texture and related data amount size
Can be in range of management.ROI defines the polygon of a target area boundaries.In general GIS
In software, a region of interest is sketched out, covering needs the model area edited
(2) digital surface model (DSM) is generated.Digital surface model can be modified by two methods：a.
Elevation sampling is carried out to region of interest, and generated using the attributes edit and space interpolation in GIS functions
One user-defined digital surface model (DSM).B. for some height value identical plane areas
Domain, such as the water surface, can use identical height value to be filled.
(3) User Defined threedimensional model is covered region of interest.User may be to the effect of oblique photograph threedimensional model
Fruit is dissatisfied, the method that can use the present invention, and user is defined into object, the road of such as manual delineation
The BUILDINGS MODELS of texture, the ripples effect automatically generated or manual creation, covers and is changed by DSM
Region of interest, as shown in Figure 6.
Claims (1)
1. a kind of method that User Defined content is embedded in oblique photograph threedimensional model, is characterised by comprising the following steps：
(1) orthography, editor's area-of-interest (ROI) are generated.In order to support in two dimensional graphics environment, such as
In ArcGIS or PhotoShop, elevation and Texture Editing are carried out, it is necessary first to by oblique photograph threedimensional model
Be converted to digital orthoimage DOM and digital surface model DSM.Use the texture baking side in computer graphics
Threedimensional model can be converted to two dimensional image by method.When scene areas is larger, it is necessary to be split,
So that texture and related data amount size after segmentation per sub-regions are can be in range of management.ROI defines one
The polygon of target area boundaries.In general GIS software, a region of interest is sketched out, covering needs to compile
The model area collected.
(2) digital surface model (DSM) is generated.Digital surface model can be modified by two methods：A. it is right
Region of interest carries out elevation sampling, and generates using the attributes edit and space interpolation in GIS functions a user
Customized digital surface model (DSM).B. for some height value identical plane domains, such as the water surface can
To be filled using identical height value.
(3) User Defined threedimensional model is covered region of interest.User may be to the effect of oblique photograph threedimensional model not
Method that is satisfied, can using the present invention, object is defined by user, the road texture of such as manual delineation, automatic
The ripples effect or the BUILDINGS MODELS of manual creation of generation, cover the region of interest changed by DSM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610161620.2A CN107221027A (en) | 2016-03-22 | 2016-03-22 | A kind of method that User Defined content is embedded in oblique photograph threedimensional model |
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| CN201610161620.2A CN107221027A (en) | 2016-03-22 | 2016-03-22 | A kind of method that User Defined content is embedded in oblique photograph threedimensional model |
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| CN107221027A true CN107221027A (en) | 2017-09-29 |
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| CN201610161620.2A Withdrawn CN107221027A (en) | 2016-03-22 | 2016-03-22 | A kind of method that User Defined content is embedded in oblique photograph threedimensional model |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182717A (en) * | 2017-12-15 | 2018-06-19 | 北京金风科创风电设备有限公司 | Geographic information image generation method and device |
| CN111765870A (en) * | 2020-06-12 | 2020-10-13 | 中国二十冶集团有限公司 | Earth volume calculation method based on oblique photography technology and regional accumulation |
| CN111765868A (en) * | 2020-06-12 | 2020-10-13 | 中国二十冶集团有限公司 | Earth measurement method based on oblique photography technology and divided according to different grids |
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| CN101290222A (en) * | 2008-06-13 | 2008-10-22 | 北京天下图数据技术有限公司 | Method for rapidly constructing three-dimensional architecture scene through real orthophotos |
| CN101479731A (en) * | 2006-05-12 | 2009-07-08 | 贺利实公司 | Method and system for generating an image-textured digital surface model (DSM) for a geographical area of interest |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101479731A (en) * | 2006-05-12 | 2009-07-08 | 贺利实公司 | Method and system for generating an image-textured digital surface model (DSM) for a geographical area of interest |
| CN101290222A (en) * | 2008-06-13 | 2008-10-22 | 北京天下图数据技术有限公司 | Method for rapidly constructing three-dimensional architecture scene through real orthophotos |
Non-Patent Citations (3)
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| E RUPNIK 等: "Oblique Multi-Camera Systems-Orientation and Dense Matching Issues", 《INTERNATIONAL ARCHIVES OF THE PHOTOGRAMMETRY,REMOTE SENSING AND SPATIAL INFORMATION SCIENCES》 * |
| 人民网-北京频道: "SuperMap GIS 7C(2015)重磅出击六大亮点玩转倾斜摄影模型", 《BJ.PEOPLE.COM.CN/N/2014/1205/C339741-23124185-3.HTML》 * |
| 巩丹超: "高分辨率卫星遥感立体影像处理模型与算法", 《中国优秀博硕士学位论文全文数据库 (博士) 基础科学辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182717A (en) * | 2017-12-15 | 2018-06-19 | 北京金风科创风电设备有限公司 | Geographic information image generation method and device |
| CN111765870A (en) * | 2020-06-12 | 2020-10-13 | 中国二十冶集团有限公司 | Earth volume calculation method based on oblique photography technology and regional accumulation |
| CN111765868A (en) * | 2020-06-12 | 2020-10-13 | 中国二十冶集团有限公司 | Earth measurement method based on oblique photography technology and divided according to different grids |
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