CN110319816A - Geological record system based on photogrammetric technology and edit and record method - Google Patents
Geological record system based on photogrammetric technology and edit and record method Download PDFInfo
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- CN110319816A CN110319816A CN201810268849.5A CN201810268849A CN110319816A CN 110319816 A CN110319816 A CN 110319816A CN 201810268849 A CN201810268849 A CN 201810268849A CN 110319816 A CN110319816 A CN 110319816A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
- G01C11/06—Interpretation of pictures by comparison of two or more pictures of the same area
- G01C11/08—Interpretation of pictures by comparison of two or more pictures of the same area the pictures not being supported in the same relative position as when they were taken
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Abstract
The present invention provides the geological record system based on photogrammetric technology and edits and records method.The geological record system includes: oblique photograph module, for the image data from aerial different angle photographic subjects geologic structure；Up short module, for shooting the image data of the target geological structure from ground different angle, to supplement the shooting blind area of the oblique photograph module；Image processing module, for establishing three-dimensional live model according to the image data of the oblique photograph module photograph and the image data of the up short module photograph；Data processing module, the three-dimensional live model for being established according to the image processing module carry out geological record.The present invention combines both sides' advantage of oblique photograph and up short in image collection, the efficiency and quality for substantially increasing image collection facilitate fine definition, with high accuracy restore the three-dimensional live model of target geological structure and carries out occurrence analysis and edit and record.
Description
Technical field
The present invention relates to geological record technical field, more particularly to based on photogrammetric technology geological record system and
Edit and record method.
Background technique
Engineering geology, which is edited and recorded, is equivalent to large scale geological mapping, is work most important, most basic in construction geology work
Make, is to carry out geologic observations and description to pledge excavation face, the technical process on record stratum, structural plane and geological characteristics.Tradition
Geological record be all, by artificial on-site land survey, to draw geologic structure line based on mapping and measure occurrence.Which
Means fall behind, and interior work is cumbersome, and is influenced by field geology peopleware, personal habits difference, so that geological record
Achievement lag, sometimes it also occur that unfounded phenomenon.In addition, being influenced by construction condition, operating environment, field geology is left for
The activity duration edited and recorded is shorter and shorter, and on-site personnel has some potential safety problems and risk sometimes, while editing and recording work
In need to put into a large amount of human and material resources and time.
It is in recent years by pass by the method that camera work is applied to geological record to improve traditional geological record means
The geological record method of note, this method is at home and abroad all in trial stage, domestic some designing units and colleges and universities' investment at present
A lot of research and application uses the measurement camera or general digital phase of customization mainly by close-shot photography measure technique
Machine carries out filming image, and independent development image processing software, forms digital photography geological record system.But according to practical application
The case where from the point of view of, existing application system is simultaneously immature, be mainly manifested in the following aspects:
Firstly, the influence of the factors such as pixel, camera site, shooting angle, shooting distance of acquisition camera subject of image.Closely
Scape photography is limited to field condition, is often difficult to take the high definition image of not blind area, this is to GEOLOGICAL INTERPRETATION and geological survey
Very unfavorable, part, thin portion geological phenomenon can not emerge from.
Secondly, the image processing software of existing photographic geology log system is usually independent research, typically just to obtaining
Image carry out geometric correction, the processing such as inlay, also have based on commercial photogrammetric software such as " VirtuoZo ", still
These processing softwares all not can be well solved the problem of reconstruction scene high-precision three-dimensional model, and some software processing achievements are even
Do not have measurement coordinate information.It is line-of-sight course that the most basic method of occurrence is resolved in structural geology, i.e., according on structural plane not
The space coordinate of three points point-blank calculates the occurrence of the structural plane.Obtain three on arbitrary structures face
Point, it is necessary to first by the image reconstruction of shooting at high-precision three-dimensional model, just can recognize that with the consistent arbitrary structures face in scene, into
And the point on acquisition face.
Finally, existing photographic geology log system does not well solve coordinate setting problem, that is, the seat of photo control point
Mark acquisition problems, some systems by repacking measuring device make equipment can filmed image be also capable of measuring coordinate, some systems are then
Additionally by total station pilot measurement.No matter it is any require Engineering Zone have control point carry out pilot measurement, required time is more, leads
It causes efficiency lower, is unsatisfactory for the feature requirement that scene can be short using the activity duration.
In conclusion it is how that photogrammetric technology is mature, efficiently apply to geological record at becoming one in figure urgently
New issue to be overcome.The technology need can quickly, it is accurate, shoot to non-blind area excavation face high definition image, high-precision, high-resolution
High gradient slope outdoor scene threedimensional model is rebuild, is analyzed with supplying expert group, is finally reached and is saved manpower, improve efficiency, reduce
The purpose of risk.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide the geology based on photogrammetric technology
Eliting and recording system and method is edited and recorded, for solving problem above in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a kind of geological record based on photogrammetric technology
System, comprising: oblique photograph module, for the image data from aerial different angle photographic subjects geologic structure；Up short
Module, for shooting the image data of the target geological structure from ground different angle, to supplement the oblique photograph module
Shooting blind area；Image processing module, for according to the oblique photograph module photograph image data and the up short
The image data of module photograph establishes three-dimensional live model；Data processing module, for being established according to the image processing module
Three-dimensional live model carry out geological record.
In one embodiment of the invention, the system also includes: locating module, for measuring the target geological structure
Photo control point coordinate；The image processing module is also used to: the photo control point coordinate that the locating module is measured makes an addition to institute
State the corresponding position of three-dimensional live model.
In one embodiment of the invention, the oblique photograph module uses unmanned plane.
In one embodiment of the invention, the UAV flight has a plurality of lenses, to realize to the target geological structure
Different angle shooting.
In one embodiment of the invention, the up short module uses digital camera.
In order to achieve the above objects and other related objects, the present invention provides a kind of geological record based on photogrammetric technology
Method, comprising: from the first image data of aerial different angle photographic subjects geologic structure；Described in the shooting of ground different angle
Second image data of target geological structure, using the supplement image for the shooting blind spot for not including as first image data
Data；Three-dimensional live model is established according to first image data and second image data；According to the three-dimensional live
Model carries out geological record.
In one embodiment of the invention, the method also includes: measure the photo control point coordinate of the target geological structure；It will
The photo control point coordinate makes an addition to the corresponding position of the three-dimensional live model.
In one embodiment of the invention, the oblique photograph module uses unmanned plane.
In one embodiment of the invention, the UAV flight has a plurality of lenses, to realize to the target geological structure
Different angle shooting.
In one embodiment of the invention, the up short module uses digital camera.
As described above, geological record system of the invention based on photogrammetric technology and editing and recording method, the present invention is in shadow
Both sides' advantage as combining oblique photograph and up short when acquisition, substantially increases the efficiency and quality of image collection, has
Help fine definition, with high accuracy restore the three-dimensional live model of target geological structure and carries out occurrence analysis and edit and record.
Detailed description of the invention
Fig. 1 is shown as the structural representation of the geological record system based on photogrammetric technology in one embodiment of the invention
Figure.
Fig. 2 is shown as the process signal of the geological record method based on photogrammetric technology in one embodiment of the invention
Figure.
Component label instructions
10 up short modules
11 oblique photograph modules
12 locating modules
13 image processing modules
14 data processing modules
20~28 steps
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Referring to Fig. 1, the embodiment of the present invention provides a kind of geological record system based on photogrammetric technology, the system packet
It includes: up short module 10, oblique photograph module 11, locating module 12 (optional), image processing module 13, data processing module
14。
Oblique photograph module 11 is used for the image data from aerial different angle photographic subjects geologic structure.Oblique photograph mould
Block 11 uses unmanned plane, for example multi-rotor unmanned aerial vehicle (such as big boundary M600Pro), can be adopted simultaneously equipped with more camera lenses with a sortie
Collect the image of multiple angles, such as carries five lens cameras or the simulation five camera lenses progress oblique photograph of single-lens camera simultaneously.
Up short module 10 is used to shoot the image data of the target geological structure from ground different angle, with supplement
The shooting blind area of the oblique photograph module.Up short module 10 uses digital camera, for example handheld camera Cannon 5D
Mark3 stands in ground special angle photographic subjects geologic structure (such as pledge excavation face) to make up the blind area that oblique photograph leaves
And detail characteristic.
Locating module 12 is used to measure the photo control point coordinate of the target geological structure.Preferably, locating module 12 uses
The thousand network RTK services thousand for seeking position offer, which are sought, to be known cun, which covers national most of region at present, in China
It can reach centimeter-level positioning, there is three kinds of coordinate type ports such as WGS84, CGCS2000, without control point, without in addition setting up mark
Determine base station, can rapidly be obtained by mobile communications network and seek the high-precision photo control point that Beidou ground enhancing station issues by thousand
Metrical information.
Image processing module 13 is used for image data and the up short mould according to the oblique photograph module photograph
The image data of block shooting establishes three-dimensional live model, optionally, can also sit the photo control point that the locating module measures
Mark makes an addition to the corresponding position of the three-dimensional live model.Image processing module 13 is using based on computer vision matching principle
Processing software (such as Bentley ContextCapture, Pix4D), can quickly, accurately establish target geological structure (such as
Pledge excavation face) three-dimensional live model, optionally, moreover it is possible to by photo control point pierce point transmitting an absolute coordinate, make three-dimensional live mould
Type has scalable true coordinate.
The three-dimensional live model that data processing module 14 is used to be established according to the image processing module carries out geological record.
Data processing module is preferably based on the geological record system of Bentley Microstation platform secondary development,
Microstation can be introduced directly into the three-dimensional live model file of 3SM or 3MX format.It can be any by the secondary development tool
Three points of three-dimensional live model are chosen to calculate attitude, three-dimensional live model projection to arbitrary face can just be taken the photograph to generate
Image is to carry out geolograph chart drafting, export and edit and record report etc..
Referring to Fig. 2, the embodiment of the present invention provides a kind of geological record method based on photogrammetric technology, this method packet
Include four aspects, i.e. image collection, photogrammetric control point surveying (optional), image processing, geological record.For with aforementioned system embodiment
The identical technical characteristic of principle, the present embodiment are just not repeated to introduce.
Image collection includes step 20 and step 21, and All names are arranged in random order to carry out simultaneously.Step 20 is different from ground
The image (referred to as the second image data) of angle shot target geological structure (such as pledge excavation face), supplements the blind of oblique photograph
Area.Image (referred to as first image number of the step 21 from aerial different angle photographic subjects geologic structure (such as pledge excavation face)
According to), to constitute the key data source of three-dimensional live modeling.It is oblique photograph and the rational division of work of up short, reasonably combined, finally
High-resolution, the non-blind area for realizing image collection help so that built three-dimensional live model can be completely presented and scene one
Any geological structure face caused.
Photogrammetric control point surveying includes step 22, seeks the tools such as position acquisition photo control point absolute coordinate using thousand.Photo control point is straight
It is connected in the control point that photogrammetric control point encryption or mapping need and lay and be measured on the spot, including is only had flat
The photo horizontal control point of areal coordinate and only have elevation photo vertical control point and there is the picture of plane coordinates and elevation simultaneously
Piece puts down high control point.Reasonably lay the accuracy in measurement that photo control point advantageously ensures that built three-dimensional live model.
Image processing includes step 23~25, is successively carried out.Step 23 is for oblique photograph and the multi-source of up short
Data (including first, second image data) carry out corresponding image points and turn thorn to realize Image Matching, and otherwise two kinds of data can be established
Respective threedimensional model.Step 24 passes through empty 3 encryption connection points matching and optionally transmits photo control point coordinate.Step 25 basis
Sky three encrypts the three-dimensional live model that achievement establishes shooting area.
It should be noted that so-called corresponding image points be on ground the same point on different images at picture point, together
Name picture point constitutes three-dimensional scene.The encryption of sky three namely analytical aerial triangulation, refer to the method with calculating, according to
A small amount of bottom surface control point, by certain mathematical model, adjustment calculate point to be located (or pass point) plan-position and elevation and
The measurement method of every elements of exterior orientation, its position and geometry can be measured by not touching measured target, can be rapidly
In on a large scale while a position-finding is carried out, to save field measurement workload, is not limited by sighting condition, region internal accuracy
Uniformly, it is not limited by area size.Three encryption of sky leads to too small amount of ground control point to restore filming image posture and obtain
The geodetic coordinates of pass point.
Geological record includes one of step 26~28 or multiple combinations.Step 26 is on the three-dimensional live model built
A structural plane is arbitrarily chosen, three points not point-blank are selected on structural plane, occurrence is carried out using line-of-sight course and is wanted
The calculating of element, and calculated result can intuitively be marked in a model.Step 27 can be by three-dimensional live model projection to arbitrary face
To generate positive photograph picture.Step 28: using positive photograph picture obtained in step 27 as base map, drawing geolograph chart.
In conclusion geological record system of the invention based on photogrammetric technology and method is edited and recorded, relative to existing
Photogrammetric geological record scheme, oblique photograph and the respective advantage of up short are combined in image collection, is mentioned significantly
The high efficiency and quality of image collection；In image processing using the advanced image three based on computer vision matching principle
Tie up modeling software, high-resolution, the threedimensional model for accurately restoring the geologic structures such as pledge excavation face, for based on threedimensional model into
Row occurrence analysis, geological record provide premise；Location network RTK service, which is sought, using thousand completes quick, efficient, accurate photo control point
Acquisition；Geological record tool is developed based on three-dimensional platform software Microstation, it is good to three-dimensional live model using the platform
The second development interface of good compatibility and opening can focus on data analysis and edit and record on figure with drafting, efficiently complete
Every required function.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of geological record system based on photogrammetric technology characterized by comprising
Oblique photograph module, for the image data from aerial different angle photographic subjects geologic structure；
Up short module, for shooting the image data of the target geological structure from ground different angle, described in supplement
The shooting blind area of oblique photograph module；
Image processing module, for the image data and the up short module photograph according to the oblique photograph module photograph
Image data establish three-dimensional live model；
Data processing module, the three-dimensional live model for being established according to the image processing module carry out geological record.
2. system according to claim 1, which is characterized in that further include: locating module, for measuring the target geological
The photo control point coordinate of structure；The image processing module is also used to: the photo control point coordinate that the locating module is measured adds
It is added on the corresponding position of the three-dimensional live model.
3. system according to claim 1, which is characterized in that the oblique photograph module uses unmanned plane.
4. system according to claim 3, which is characterized in that the UAV flight has a plurality of lenses, to realize to institute
State the shooting of the different angle of target geological structure.
5. system according to claim 1, which is characterized in that the up short module uses digital camera.
6. a kind of geological record method based on photogrammetric technology characterized by comprising
From the first image data of aerial different angle photographic subjects geologic structure；
From ground, different angle shoots the second image data of the target geological structure, using as the first image data institute
The supplement image data for the shooting blind spot for not including；
Three-dimensional live model is established according to first image data and second image data；
Geological record is carried out according to the three-dimensional live model.
7. according to the method described in claim 6, it is characterized by further comprising:
Measure the photo control point coordinate of the target geological structure；
The photo control point coordinate is made an addition to the corresponding position of the three-dimensional live model.
8. according to the method described in claim 6, it is characterized in that, the oblique photograph module uses unmanned plane.
9. according to the method described in claim 8, it is characterized in that, the UAV flight has a plurality of lenses, to realize to institute
State the shooting of the different angle of target geological structure.
10. according to the method described in claim 6, it is characterized in that, the up short module uses digital camera.
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| CN111288969A (en) * | 2020-03-30 | 2020-06-16 | 黄河勘测规划设计研究院有限公司 | Slope construction geological sketch method based on orthographic image of unmanned aerial vehicle |
| CN111540049A (en) * | 2020-04-28 | 2020-08-14 | 华北科技学院 | Geological information identification and extraction system and method |
| CN111651539A (en) * | 2020-05-22 | 2020-09-11 | 西北农林科技大学 | Method for realizing quick updating of plane map elements by using close-range remote sensing technology |
| CN112862967A (en) * | 2021-03-11 | 2021-05-28 | 北京市水利规划设计研究院 | Method and apparatus for building three-dimensional geological models |
| CN113686313A (en) * | 2021-08-30 | 2021-11-23 | 中煤科工集团重庆研究院有限公司 | Real-time measuring method and system for coal rock geological image |
| CN113720308A (en) * | 2021-08-31 | 2021-11-30 | 中煤科工集团重庆研究院有限公司 | Head-on photography geological logging method and system |
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Application publication date: 20191011 |