CN107066774A - Oblique photograph measurement prediction Rolling Stone motion track imitation system and its Forecasting Methodology - Google Patents

Oblique photograph measurement prediction Rolling Stone motion track imitation system and its Forecasting Methodology Download PDF

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Publication number
CN107066774A
CN107066774A CN201710481448.3A CN201710481448A CN107066774A CN 107066774 A CN107066774 A CN 107066774A CN 201710481448 A CN201710481448 A CN 201710481448A CN 107066774 A CN107066774 A CN 107066774A
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China
Prior art keywords
rolling stone
oblique photograph
motion track
data
movement locus
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CN201710481448.3A
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Chinese (zh)
Inventor
唐旭海
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Wuhan Land Carving Technology Co Ltd
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Wuhan Land Carving Technology Co Ltd
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Priority to CN201710481448.3A priority Critical patent/CN107066774A/en
Publication of CN107066774A publication Critical patent/CN107066774A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • G01C11/04Interpretation of pictures
    • G01C11/06Interpretation of pictures by comparison of two or more pictures of the same area
    • G01C11/08Interpretation 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

Abstract

The present invention discloses a kind of oblique photograph measurement prediction Rolling Stone motion track imitation system and its Forecasting Methodology, camera system is spelled by installing five on unmanned plane during flying platform, side slope Rolling Stone region carries out low latitude oblique photograph measurement, obtain tilted image data, described image is pre-processed and uses 3D modeling software to carry out outdoor scene three-dimensional modeling, the engineering data base of geotechnical specialist's system is set up according to the experiment of Rolling Stone track and the data of numerical simulation done and the result of matching in the past, the relevant parameter that main influence rockfall movement locus and energy are converted is obtained by database matching and Synthetical inference engine analysis, with CoFrac Rolling Stone analysis softwares, side slope Rolling Stone movement locus carries out numerical simulation based on the data of gained and energy tracing, analyze energy loss and rock zone potential movement locus of the Rolling Stone in the process that tumbles, scientific basis is provided to administer Rolling Stone.Administer Rolling Stone and scientific basis is provided.

Description

Oblique photograph measurement prediction Rolling Stone motion track imitation system and its Forecasting Methodology
Technical field
The invention belongs to avalanche, falling rocks Way of Engineering Technology in Control of Underground field, and in particular to a kind of oblique photograph measurement prediction Rolling Stone Motion track imitation system and its Forecasting Methodology.
Background technology
In many Geological Hazard accidents, rockfall hazards are only second to landslide, mud-rock flow, rank the 3rd.Rolling Stone is Refer to the stone in source area due to being disturbed by certain, by static, arrived by gliding, colliding the motion modes such as spring, rolling Up to bottom of slope, finally in the gentle static dynamic process got off in area.When have in the range of movement of Rolling Stone mankind's activity or Facility that the mankind construct and when causing certain loss, will result in rockfall hazards.Such as the early morning on the 5th of August in 2016, Beijing room Landslide disaster occurs for mountain area rosy clouds Yunling township peasant household platform village, and native stone avalanche from massif of nearly 1 ten thousand stere has buried 7 Between house, separately have 10 houses be damaged.Therefore for side slope top source area Rolling Stone compared with the area of horn of plenty to carry out rationally around Keep away or set up appropriate Rolling Stone crash and be configured to prevent infringement of the Rolling Stone to surrounding road and building.Therefore need to rolling The movement locus of stone and apart from being studied.
At present, researching and analysing method and can mainly be summarized as two classes on rockfall motion problems, i.e., ground with testing Study carefully the empirical method i.e. based on experimental study and the method based on theory deduction.It is accurate, objective that the data of experimental study have The characteristics of seeing, integrate, but the data deficiency of experimental study is systemic, and there is the characteristics of region limitation is strong, this causes The result of test method does not possess extensive engineering significance.The method of theory deduction mainly using kinematics and kinetic theory as Basis, sets up rational mathematics computing model.But be intended to obtain determine Rolling Stone kinematic parameter not a duck soup, field data compared with Hardly possible is obtained, therefore how to be obtained relatively correct Rolling Stone kinematic parameter in the wild and seemed particularly significant, and this is also that avalanche, falling rocks are prevented Control the basis of engineering design.
The content of the invention
For the problem of collection field Rolling Stone kinematic parameter is more difficult at present, the present invention provides one kind and utilizes oblique photograph Measurement prediction Rolling Stone motion track imitation system and its Forecasting Methodology, it obtains Rolling Stone motion ginseng using oblique photograph e measurement technology Line number Modeling Calculation of going forward side by side is counted, the movement locus and distance of Rolling Stone are speculated with this, rationally mode is passed round so as to formulate Or set up appropriate Rolling Stone crash construction.
The technical solution adopted in the present invention is:
A kind of oblique photograph measurement prediction Rolling Stone motion track imitation system, including unmanned plane during flying platform, it is described nobody Five shot for high-altitude are installed on machine flying platform and spell camera system, the five spellings camera system passes through radio transmitting device It is communicatively coupled with outside computer system, 3D modeling software, geotechnical specialist is installed in the computer system Project data library software and CoFrac Rolling Stone analysis softwares, the computer system passes through radio transmitting device and complex reasoning Machine is communicatively coupled.
Preferably, several high definition camera lenses are provided with the five spellings camera system, corresponding to the high definition camera lens Installation site is respectively vertically downward, forward, backward, to the left and to the right.
Preferably, the image ground resolution of the high definition camera lens is 6cm, it is 1 into figure ratio:2000, just penetrate course Duplication is 70%, and sidelapping rate is 60%, and plane and mean square error of height control are in 0.10m.
The embodiment of the present invention also provides a kind of prediction that prediction Rolling Stone motion track imitation system is measured based on oblique photograph Method, including analysis below step:
(1) spell camera system side slope Rolling Stone region by five on unmanned plane during flying platform and carry out low latitude oblique photograph survey Amount, obtains and tilts image data;
(2) the inclination image data that oblique photograph is obtained is transferred to computer system, and carried out to tilting image data Pre-processing image data;
(3) carry out carrying out outdoor scene three-dimensional modeling to the view data after processing using 3D modeling software, using adopting on a large scale The cloud data of collection automatically obtains texture formation true three-dimension figure;
(4) the result search engineering data base of the true three-dimension figure formed by three-dimensional modeling, passes through Synthetical inference engine point Analysis obtains influenceing the relevant parameter of rockfall movement locus and energy conversion;
(5) by using CoFrac Rolling Stone analysis softwares, obtained influence rockfall movement locus and energy are converted Relevant parameter carry out numerical simulation, analysis Rolling Stone tumbles the energy loss of process and the potential movement locus of rock zone, rolled Impulsive force size of the stone in concrete numerical value distance.
Preferably, using 3D modeling software carry out outdoor scene three-dimensional modeling during include to point coordinates, height, away from From, the measurement of area, angle, the gradient.
Preferably, influence rockfall movement locus and the relevant parameter of energy conversion include side slope surface and reduce system Number, slope friction angle, domatic roughness, the angular speed of Rolling Stone rotation and tumble state.
The invention has the advantages that:
The present invention is rolled by oblique photograph measurement prediction Rolling Stone motion track imitation system to obtain in rockfall region The relatively correct Rolling Stone kinematic parameter of stone, according to the Rolling Stone kinematic parameter of acquisition, based on kinematics and kinetic theory, Set up the rational potential movement locus of mathematics computing model analysis of slope Rolling Stone, and obtain such as related conclusion of impulsive force, Scientific basis is provided to administer Rolling Stone, and targetedly proposes the prophylactico-therapeutic measures to Rolling Stone, so as to be the operation of surrounding pavement Inhabitation with neighbouring resident provides reliable safety guarantee.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is multi-angle Aerial photography direction schematic diagram in ground of the present invention;
Schematic diagram is taken photo by plane and predicted to the rockfall multi-angle that Fig. 2 is the present invention;
Fig. 3 is that Rolling Stone of different shapes of the invention tumbles status values simulation drawing under different slope friction angles.
Shown in figure:1st, rockfall region, 2, Rolling Stone, 3, unmanned plane during flying platform, 4, five spell camera systems, and 6, calculate Machine system, 6, engineering data base, 7, Synthetical inference engine.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 1 to 2, the embodiment of the present invention provides a kind of oblique photograph measurement prediction Rolling Stone movement locus simulation system System, including unmanned plane during flying platform 3 is set (before side slope Rolling Stone region 1 carries out installing unmanned plane during flying platform 3, first Obtain the overview in rockfall region 1, such as physical features direction, main topography profile, wind direction and wind speed, region area size letter Breath), five shot for high-altitude are installed on unmanned plane during flying platform 3 and spell camera system 4, five spell installation on camera system 4 Have several high definition camera lenses (not indicated in figure), the installation site corresponding to high definition camera lens be respectively vertically downward, forward, to Afterwards, to the left and to the right, so that the multiple different angles for obtaining the Rolling Stone 2 in rockfall region 1 tumble image, including just penetrating Image and inclination image (shown in Figure 1).Wherein, the image ground resolution of high definition camera lens is 6cm, is 1 into figure ratio: 2000, it is 70% just to penetrate endlap rate, and sidelapping rate is 60%, and plane and mean square error of height control are checked in 0.10m Point is uniformly distributed.Five spelling camera systems 4 are by radio transmitting device (generally, carrying out information transfer by wifi) and outside The computer system 5 in portion is communicatively coupled, and the high-definition image data that five spelling camera systems 4 are shot send computer system to 5,3D modeling software, the project data library software 6 of geotechnical specialist and CoFrac Rolling Stones point are installed in computer system 5 Software is analysed, the raw image data sent back by the image processing software in computer system 5 to five spelling camera systems 4 is carried out Pretreatment, by the view data after processing by 3D modeling software carry out outdoor scene three-dimensional modeling, using acquisition cloud data from It is dynamic to obtain texture formation true three-dimension figure, by the result of three-dimensional modeling to data parameters matching in engineering data base 6 Search manageed it with regard to you, obtain that main influence rockfall movement locus and energy convert related is analyzed by Synthetical inference engine 7 and is joined Number.Wherein, computer system 5 is pushed away by radio transmitting device (generally, carrying out information transfer by wifi) with synthesis Reason machine 7 is communicatively coupled.The CoFrac Rolling Stone analysis softwares based on impulse method, side slope rolling are used in computer system 5 Stone movement locus carries out numerical simulation, and analysis Rolling Stone tumbles the energy loss and the potential movement locus of rock zone of process, rolled Impulsive force size of the stone in concrete numerical value distance.
As shown in Figures 1 to 3, the embodiment of the present invention provides a kind of based on oblique photograph measurement prediction Rolling Stone movement locus simulation The Forecasting Methodology of system, including analysis below step:
(1) referring to shown in Fig. 1 to 2, the side slope Rolling Stone region 1 of camera system 4 is spelled by five on unmanned plane during flying platform 3 The motion conditions of interior Rolling Stone 2, carry out low latitude oblique photograph measurement, obtain and tilt image data, wherein, image ground resolution It is 1 into figure ratio for 6cm:2000, it is 70% just to penetrate endlap rate, and sidelapping rate is 60%, plane and mean square error of height Control is in 0.10m, and checkpoint is uniformly distributed;
(2) the inclination image data that oblique photograph is obtained is transferred to computer system 5, and passed through to tilting image data Image processing software carries out pre-processing image data;The pretreatment such as even light, even color, distortion rectification is carried out to raw image data to arrange Apply, main image real time transfer flow is as follows:1. data prediction, including raw video, pos data etc.;2. data are set up Handle engineering;3. import image and carry out quality examination;4. control point is measured;5. various visual angles image sky three is resolved;6. subregion is intensive Matching;7. stripping and slicing management export etc..
(3) carry out carrying out the view data after processing outdoor scene three-dimensional modeling using 3D modeling software, including carry out point seat The measurement of mark, height, distance, area, angle, the gradient etc., automatically obtains texture using the cloud data gathered on a large scale and is formed True three-dimension figure;
(4) relevant parameter for obtaining influenceing rockfall movement locus and energy to convert is analyzed by Synthetical inference engine;Root The engineering of geotechnical specialist's system is set up toward the experiment of Rolling Stone track and the data of numerical simulation done and the result of matching according to this Database 6, dependency number matching in engineering data base is searched for by the result of the true three-dimension figure formed by three-dimensional modeling It is believed that breath, is analyzed by Synthetical inference engine 7 and obtains the relevant parameter that main influence rockfall movement locus and energy are converted, tool Body includes side slope surface recovery coefficicnt, slope friction angle, domatic roughness, the angular speed of Rolling Stone rotation and tumbles state etc..
(5) it is shown in Figure 3, by with the CoFrac Rolling Stone analysis softwares developed based on impulse method, with the number of gained According to based on energy tracing, the relevant parameter of obtained influence rockfall movement locus and energy conversion is subjected to numerical value Simulation, analysis Rolling Stone tumbles the energy loss and the potential movement locus of rock zone of process, obtains Rolling Stone in concrete numerical value distance Impulsive force size.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (6)

1. a kind of oblique photograph measurement prediction Rolling Stone motion track imitation system, it is characterised in that:Including unmanned plane during flying platform, Five shot for high-altitude are installed on the unmanned plane during flying platform and spell camera system, the five spellings camera system passes through wireless Transmitting device is communicatively coupled with outside computer system, and 3D modeling software, ground are provided with the computer system The project data library software and CoFrac Rolling Stone analysis softwares of engineering specialist, the computer system by radio transmitting device with Synthetical inference engine is communicatively coupled.
2. oblique photograph measurement prediction Rolling Stone motion track imitation system according to claim 1, it is characterised in that:It is described Several high definition camera lenses are installed on five spelling camera systems, the installation site corresponding to the high definition camera lens be respectively it is vertical to Under, forward, backward, to the left and to the right.
3. oblique photograph measurement prediction Rolling Stone motion track imitation system according to claim 1, it is characterised in that:It is described The image ground resolution of high definition camera lens is 6cm, is 1 into figure ratio:2000, it is 70%, sidelapping just to penetrate endlap rate Rate is 60%, and plane and mean square error of height control are in 0.10m.
4. a kind of Forecasting Methodology that prediction Rolling Stone motion track imitation system is measured based on oblique photograph, it is characterised in that including Analysis below step:
(1) spell camera system side slope Rolling Stone region by five on unmanned plane during flying platform and carry out low latitude oblique photograph measurement, Obtain and tilt image data;
(2) the inclination image data that oblique photograph is obtained is transferred to computer system, and image is carried out to tilting image data Data prediction;
(3) carry out carrying out outdoor scene three-dimensional modeling to the view data after processing using 3D modeling software, utilize what is gathered on a large scale Cloud data automatically obtains texture formation true three-dimension figure;
(4) the result search engineering data base of the true three-dimension figure formed by three-dimensional modeling, is analyzed by Synthetical inference engine To influence rockfall movement locus and the relevant parameter of energy conversion;
(5) by using CoFrac Rolling Stone analysis softwares, by the phase of obtained influence rockfall movement locus and energy conversion Related parameter carries out numerical simulation, and analysis Rolling Stone tumbles the energy loss and the potential movement locus of rock zone of process, obtains Rolling Stone and exist The impulsive force size of concrete numerical value distance.
5. the Forecasting Methodology according to claim 4 that prediction Rolling Stone motion track imitation system is measured based on oblique photograph, It is characterized in that:Using 3D modeling software carry out outdoor scene three-dimensional modeling during include to point coordinates, height, distance, area, The measurement of angle, the gradient.
6. the Forecasting Methodology according to claim 4 that prediction Rolling Stone motion track imitation system is measured based on oblique photograph, It is characterized in that:Rockfall movement locus and the relevant parameter of energy conversion is influenceed to include side slope surface recovery coefficicnt, domatic Angle of friction, domatic roughness, the angular speed of Rolling Stone rotation and tumble state.
CN201710481448.3A 2017-06-22 2017-06-22 Oblique photograph measurement prediction Rolling Stone motion track imitation system and its Forecasting Methodology Pending CN107066774A (en)

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CN108956951A (en) * 2018-07-31 2018-12-07 中国水利水电科学研究院 Consider the experimental rig and test method of contact relation measurement falling rocks recovery coefficient
CN109238225A (en) * 2018-09-03 2019-01-18 浙江大丰实业股份有限公司 Mobile ride highly guards platform in real time
CN109410329A (en) * 2018-11-01 2019-03-01 中国科学院寒区旱区环境与工程研究所 A kind of snowslide information extracting method, device, electronic equipment and storage medium
CN112990121A (en) * 2021-04-25 2021-06-18 中国人民解放军国防科技大学 Target detection method and device, electronic equipment and storage medium
CN113188975A (en) * 2021-05-07 2021-07-30 中南大学 Rock mass fracture and flying rock motion analysis system and method based on image processing technology
CN113408121A (en) * 2021-06-11 2021-09-17 长江水利委员会长江科学院 High and steep slope dangerous rock movement track measurement and slope section parameter calculation method
CN113804166A (en) * 2021-11-19 2021-12-17 西南交通大学 Rockfall motion parameter digital reduction method based on unmanned aerial vehicle vision

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108225707A (en) * 2017-12-12 2018-06-29 山东大学 The emitter and method of geotechnical engineering side slope rockfall field test
CN108956951A (en) * 2018-07-31 2018-12-07 中国水利水电科学研究院 Consider the experimental rig and test method of contact relation measurement falling rocks recovery coefficient
CN109238225A (en) * 2018-09-03 2019-01-18 浙江大丰实业股份有限公司 Mobile ride highly guards platform in real time
CN109238225B (en) * 2018-09-03 2021-02-05 浙江大丰实业股份有限公司 Mobile vehicle platform real-time height monitoring platform
CN109410329A (en) * 2018-11-01 2019-03-01 中国科学院寒区旱区环境与工程研究所 A kind of snowslide information extracting method, device, electronic equipment and storage medium
CN109410329B (en) * 2018-11-01 2021-08-06 中国科学院西北生态环境资源研究院 Avalanche information extraction method and device, electronic equipment and storage medium
CN112990121A (en) * 2021-04-25 2021-06-18 中国人民解放军国防科技大学 Target detection method and device, electronic equipment and storage medium
CN113188975A (en) * 2021-05-07 2021-07-30 中南大学 Rock mass fracture and flying rock motion analysis system and method based on image processing technology
CN113188975B (en) * 2021-05-07 2022-07-15 中南大学 Rock mass fracture and flying rock motion analysis system and method based on image processing technology
CN113408121A (en) * 2021-06-11 2021-09-17 长江水利委员会长江科学院 High and steep slope dangerous rock movement track measurement and slope section parameter calculation method
CN113804166A (en) * 2021-11-19 2021-12-17 西南交通大学 Rockfall motion parameter digital reduction method based on unmanned aerial vehicle vision
CN113804166B (en) * 2021-11-19 2022-02-08 西南交通大学 Rockfall motion parameter digital reduction method based on unmanned aerial vehicle vision

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Application publication date: 20170818