CN106153009A - Cavern's three-dimensional live modeling data gathers light-source system method for designing and system thereof - Google Patents
Cavern's three-dimensional live modeling data gathers light-source system method for designing and system thereof Download PDFInfo
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- CN106153009A CN106153009A CN201610699793.XA CN201610699793A CN106153009A CN 106153009 A CN106153009 A CN 106153009A CN 201610699793 A CN201610699793 A CN 201610699793A CN 106153009 A CN106153009 A CN 106153009A
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- light source
- light
- cavern
- source
- lamp bulb
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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
Abstract
The invention discloses a kind of cavern three-dimensional live modeling data and gather light-source system method for designing and system thereof, it is to be symmetrically installed identical light source on camera both sides, and installs light-source brightness detection pen and light-source brightness automatic regulating switch on camera limit；Utilize small lamp bulb in parallel as light source, and heat abstractor is installed at small lamp bulb rear portion；Being two parts by power supply region, a part provides light source, and another part provides power supply for whole automatization Digital Photogrammetric System.The whole light-source system of the present invention is that cavern's three-dimensional digital imaging provides a light supply apparatus stable, light, that synchronize, different Dong Bi positions high-quality photos in convenient collection cavern.And utilize Double-edge type luminescent system, protective cover is installed on light source surface; realize brightness tunable arrangement; guarantee that digital camera at hole indoor shot lightness uniformity, provides Reliable guarantee for setting up true threedimensional model, and whole light-source system is light, little power consumption, easily operate.
Description
Technical field
The invention belongs to engineering geophysics prospecting, detection field, light-source system of the present invention relates to the refraction of light, is scattering into picture
Principle, Automated condtrol, the control technique of light source, light source and photo matching principle technology, the uniform treatment technology of light.
Background technology
Cavern described here includes: water power prospecting in exploration adit, power station in diversion tunnel, emptying tunnel, lead
Stream hole, working tunnel, Hongdong of overflowing etc., the diversion tunnel of hydropower complex, highway and railway tunnel etc. carry out engineering investigation and detection
Tunnel be referred to as cavern.The preliminry basic research of conventional cavern is record cavern surface geological information by the way of manually editing and recording；
The detection work of cavern mainly fills out, by the mixed earth quality of detection, thickness and hole fight back, the situation of coming to nothing, and detects job content master
Come off including mixed earth crack (fracture length, width, the parameter such as direction of growth), mixed earth surfaces, the height that comes to nothing, strong
Degree, thickness and country rock body deformability etc..
Along with computer and the development of image processing techniques, the photo of shooting is utilized to be surveyed by the modeling scene of completing
Examining three-dimensional space position and the colouring information that can show prospecting position attitude of rock, crack, off-load etc. more intuitively, the method can
To reach accurately to measure and reduce on-the-spot real-texture information, this technology is referred to as outdoor scene modeling technique.
Along with the technology of earth's surface outdoor scene modeling is widely used, such as the modeling of unmanned plane outdoor scene, the modeling of historical relic outdoor scene, side slope prospecting
Outdoor scene modelings etc., these work are all the outdoor scene modelings completed under natural light；The 3D photography carried out in film studio is also this
The continuation of class technology, uses the color of the threedimensional model of outdoor scene modeling technique foundation and shape essentially identical with truth.Ground
The application of table outdoor scene dimensional Modeling Technology is more and more extensive, and in reconnoitring in side slope, the threedimensional model utilizing the method to set up can enter
Row Slope Stability Evaluation and side slope mapping operations；In cavern, it is possible with this technology carry out exploring and detecting work.Due to
Differ without natural light, hole type in cavern, hole wall concavo-convex relatively big, footpath, hole is not of uniform size, therefore, carries out outdoor scene modeling difficulty in cavern
Spending of a relatively high, first hole domestic demand solves light source problem, it is ensured that imaging precision and real colour, light source is had by data acquisition
Higher requirement.Situations below will affect the effect of outdoor scene modeling in cavern:
Exploration adit or diversion tunnel indoor gauge without light source, one is the artificial light source color temperature added and natural inconsistent (the artificial photograph of light
Bright lamp is all cool colour lamp, and colour temperature is about 5500k in about 6500k, natural light color temperature, the photo color of shooting under different-colour
Difference is had with the photo color of shooting under natural light), two is that to there is light-source brightness uneven；
Cavern affects because of various factors, causes excavation out-of-flatness, and hole deformationization is big, hole wall is concavo-convex, when photography is taken pictures, will result in
Locally there is male and female face in the photo of hole section shooting；
There is difference variation in cavern, light source easily bursts in the case of the temperature difference is relatively big.
Under the conditions of complicated cavern, set up threedimensional model by photogrammetric it may first have to solve light source problem.Have
Good light source, the image just can shot.Therefore, need to fully design light source and camera and the position relationship of shooting hole wall,
The problem such as the brightness of light source and colour temperature, light source service life in cavern.At present, build for utilizing light source to take pictures in cavern
The technology of vertical outdoor scene model is the most ripe, changes greatly especially for hole type, the exploration adit of hole wall chaotic source, to light source
Requirement higher.
Summary of the invention
The present invention to realize following purpose: (1) design is specifically designed in cavern carrying out the light source system of three-dimensional live modeling
System；(2) for hole indoor environment difference, the parameters of adjustable light-source system, the photo of hole indoor shot is made to basically reach
State under natural light, meeting three is modeling demand；(3) service life of cavern's inner light source is improved；(4) stablizing of light source is improved
Property, it is ensured that the photo aberration of different periods shooting is consistent, the model that whole cavern sets up and actual hole wall body solid colour；(5)
Guarantee that whole light-source system is light, little power consumption, easily operate.
The present invention is achieved through the following technical solutions object above:
First, the present invention is based on such method for designing: be mainly symmetrically installed identical light source on camera both sides, and at camera
Light-source brightness detection pen and light-source brightness automatic regulating switch are installed on limit；Utilize small lamp bulb in parallel as light source, and at lampet
Heat abstractor is installed at pearl rear portion；Being two parts by power supply region, a part provides light source, and another part is whole automatization
Digital Photogrammetric System provides power supply.
Therefore, the cavern three-dimensional live modeling data of the present invention gathers light-source system and is such that this system and includes by car
The measurement apparatus control chamber of wheel delivery traveling and power supply, measurement apparatus control chamber and power supply connect camera by electric machine rotational axis
Frame, camera frame is provided with digital camera and light intensity test pen；A light source shelf, light source shelf it is respectively arranged at the two ends with before and after camera frame
One is provided with light source small lamp bulb one, and light source shelf two is provided with light source small lamp bulb two.
Further, light source small lamp bulb one and light source small lamp bulb two are the most uniform on the light source shelf at the two ends of camera frame
Arrange.The rated voltage of light source small lamp bulb one and light source small lamp bulb two is 12v, colour temperature is 5500k.Further, light source small lamp bulb one
It is mounted on heat abstractor, light source small lamp bulb one and light source small lamp bulb two with the rear portion of light source small lamp bulb two and is equipped with seal lamps
Cover.
Further, light source shelf one and light source shelf two are individually and make, at every piece of aluminium alloy plate with two pieces of aluminium alloy plates
The most uniformly hole and be provided with hollow glass cylinder between the two plates, and with solid gum little to light source small lamp bulb one and light source
Lamp bead two is fixed on this glass column surface.It is camera frame between light source shelf one and light source shelf two, is provided with in camera frame drilled in middle
One aperture, and be connected with the camera pedestal of digital camera through this aperture with screw.Light intensity test pen is arranged on digital camera
The surface of camera lens, light intensity test pen is bolted with camera frame.Light source shelf one and light source shelf two and its on set
The hollow glass cylinder put and camera frame are bolted on same bearing, and this bearing is connected to electric machine rotational axis
On the motor of measurement apparatus control chamber and power supply, the cable release of digital camera and light source small lamp bulb one and the light of light source small lamp bulb two
Source line is connected in the circuit of the control chamber in measurement apparatus control chamber and power supply.
This cavern three-dimensional digital imaging source system of the present invention, can reach following effect:
(1) whole light-source system is that cavern's three-dimensional digital imaging provides a light supply apparatus stable, light, that synchronize, side
Just different Dong Bi positions high-quality photos in cavern is gathered.
(2) utilize Double-edge type luminescent system, protective cover is installed on light source surface, it is achieved brightness tunable arrangement, it is ensured that digital
Camera, at hole indoor shot lightness uniformity, provides Reliable guarantee for setting up true threedimensional model.
(3) appropriate design of the light-intensity test pen of light source both sides, for adjusting cavern's light intensity, it is ensured that brightness unanimously provides
Important reference, decreases the anthropic factor judgement to light intensity.
(4) in order to ensure work safety, whole electric power system selects rated voltage to be 12v, may select the little of different capacity
Lamp bead, sized by different caverns provide the brightness of near-nature forest light.
(5) heat abstractor is installed, it is ensured that within continuous 8 hours, work small lamp bulb does not haves fault, is conducive to improving cavern
Interior three-dimensional digital image quality.
Accompanying drawing explanation
Tu1Shi cavern three-dimensional live model building device light-source system front view；
Tu2Shi cavern three-dimensional live model building device light-source system top view.
Description of reference numerals: 1-light source shelf one, 2-light source small lamp bulb one, 3-digital camera, 4-light intensity test pen, 5-phase
Frame, 6-light source shelf two, 7-light source small lamp bulb two, 8-electric machine rotational axis, 9-wheel, 10-test device control chamber and power supply.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, Tu1Shi cavern three-dimensional live model building device light-source system front view, Tu2Shi cavern three-dimensional live
Model building device light-source system top view.From the figure, it can be seen that the cavern three-dimensional live model building device light-source system master of the present invention
Body region includes light source shelf 1 and light source shelf 26, light intensity test pen 4 and light source small lamp bulb 1 and light source small lamp bulb 27, light source
Frame 1 and light source shelf 26 are all to utilize the aluminium alloy plate that two pieces of a diameter of 15cm, thickness are 3mm to make, at every piece of aluminium alloy plate
The upper hole uniformly boring 5 0.5cm.It is a diameter of 12cm, thick for 4mm, the hollow glass cylinder of a length of 5cm between two boards.
Outer surface in glass cylinder lays two row's light source small lamp bulbs, and with solid gum light source small lamp bulb 1 and light source small lamp bulb
27 are separately fixed at glass column surface.
Being camera frame 5 between light source shelf 1 and light source shelf 26, digital camera 3 is placed in the middle of camera frame 5, at camera frame
5 drilled in middle one apertures, screw is connected through camera frame 5 aperture with digital camera 3 base.Light is laid in the surface of camera lens
Strong test pen 4, light intensity test pen 4 is bolted with camera frame 5.Light source shelf 1 and light source shelf 26, glass column, camera
Frame 5 is bolted on same bearing.Bearing and electric machine rotational axis 8 connecting test device control chamber and the electricity of power supply 10
On machine, the cable release of digital camera 3 is connected to test the control chamber in device control chamber and power supply 10 with the light source line of small lamp bulb
Circuit in.Dispose wheel 9 in the bottom of test device control chamber and power supply 10, allow whole device in orbit by wheel 9
Mobile.
Light source shelf has two, in the both sides even circumferentials distribution of digital camera 3, light intensity test pen 4 need to before taking pictures and
The most all detect hole wall light intensity, it is ensured that pickup light intensity is basically identical every time；Electric machine rotational axis 8 is to control camera frame 5 He
The bearing that light source shelf rotates, test device control chamber controls shooting speed, rotation, displacement etc..
In order to ensure that the photo that three-dimensional live modeling gathers can set up the model consistent with actual color, light source concrete
Design should meet following technology and require:
(1) light source utilizes the small lamp bulb parallel connection of 12v rated voltage, 5500k colour temperature, installs high efficiency and heat radiation dress at small lamp bulb rear portion
Put, prevent the long high temperature of shooting time from burning out lamp bead.Cavern's temperature difference is big, and light-source system must configure sealed lamp shade, prevents steam
Enter on lampshade, form mist, affect illuminating and the small lamp bulb life-span of light-source system.
(2) in order to ensure coverage uniform light in camera view, meet that hole wall is concavo-convex, the change of footpath, hole, rock color
Outdoor scene modeling under reflective degree different condition, not only need to install identical light source on digital camera 3 both sides, and need to be in digital phase
Light-source brightness detection pen i.e. light intensity test pen 4 and light-source brightness automatic regulating switch are installed, it is ensured that every time before photography on machine 3 limit
The hole wall brightness detected keeps consistent.
(3) electric power system is made up of two parts, and one is to provide the power supply of enough light sources；Two is to take the photograph for whole automatization
Shadow is measured system (including motor, control system) and is provided power supply, it is ensured that during 8 continuous throughout the twenty-four hour24s, voltage and current is stable.
(4) varying in size the requirement of photogrammetric modeling to meet footpath, hole, selected electric power system running voltage is 12v,
Can dismantle at any time, change, strictly control weight, facilitate field work.
The present invention is implemented: the light-source system of the present invention is by the power supply in test device control chamber and power supply 10
Connect power supply, and control the open and close of light source with bright by the measurement apparatus control chamber in test device control chamber and power supply 10
Degree.After connecting power supply, open light source by the control chamber button in test device control chamber and power supply 10, adjust suitable light
By force, set parameter of taking pictures, then shoot a photo by digital camera 3, observe the shooting effect of photo, if meet light
Strong requirement.If light intensity is unsatisfactory for requirement of taking pictures, then adjustment light intensity is to meeting requirement, utilizes light intensity test pen 4 to test light intensity, and remembers
Record light intensity value, then start the outdoor scene modeling data collecting work of whole cavern, after work a period of time, then survey by light intensity
Examination pen 4 tests whether light intensity changes, if changing, adjusts button by the light intensity in test device control chamber and power supply 10
Adjusting light intensity consistent with the light intensity value recorded before, then proceeding to take pictures, until completing the photo acquisition of whole cavern.
Certainly, being more than the concrete exemplary applications of the present invention, the present invention also has other embodiment, and all employings are equal to
Replace or the technical scheme of equivalent transformation formation, within all falling within protection domain of the presently claimed invention.
Claims (10)
1. cavern's three-dimensional live modeling data gathers light-source system method for designing, it is characterised in that: symmetrical on camera both sides
Identical light source is installed, and light-source brightness detection pen and light-source brightness automatic regulating switch are installed on camera limit；Utilize lampet
Pearl is in parallel as light source, and installs heat abstractor at small lamp bulb rear portion；Being two parts by power supply region, a part provides light
Source, another part provides power supply for whole automatization Digital Photogrammetric System.
2. cavern's three-dimensional live modeling data gathers light-source system, it is characterised in that: this system includes being delivered by wheel (9)
The measurement apparatus control chamber and power supply (10), measurement apparatus control chamber and the power supply (10) that travel are connected by electric machine rotational axis (8)
Camera frame (5), camera frame (5) is provided with digital camera (3) and light intensity test pen (4)；Before and after camera frame (5), two ends respectively set
Having a light source shelf (1,6), light source shelf one (1) is provided with light source small lamp bulb one (2), and light source shelf two (6) is provided with light source lampet
Pearl two (7).
Cavern the most according to claim 2 three-dimensional live modeling data gathers light-source system, it is characterised in that: described light source
Small lamp bulb one (2) and light source small lamp bulb two (7) the most uniform setting on the light source shelf (1,6) at the two ends of camera frame (5).
Cavern the most according to claim 3 three-dimensional live modeling data gathers light-source system, it is characterised in that: described light source
The rated voltage of small lamp bulb one (2) and light source small lamp bulb two (7) is 12v, colour temperature is 5500k.
Cavern the most according to claim 3 three-dimensional live modeling data gathers light-source system, it is characterised in that: described light source
The rear portion of small lamp bulb one (2) and light source small lamp bulb two (7) is mounted on heat abstractor.
Cavern the most according to claim 3 three-dimensional live modeling data gathers light-source system, it is characterised in that: described light source
Small lamp bulb one (2) and light source small lamp bulb two (7) are equipped with sealed lamp shade.
Cavern the most according to claim 2 three-dimensional live modeling data gathers light-source system, it is characterised in that: light source shelf one
(1) individually make with two pieces of aluminium alloy plates with light source shelf two (6), every piece of aluminium alloy plate is uniformly holed and at two boards
Between be provided with hollow glass cylinder, and with solid gum, light source small lamp bulb one (2) and light source small lamp bulb two (7) are fixed on this glass
Glass damaged surface.
Cavern the most according to claim 7 three-dimensional live modeling data gathers light-source system, it is characterised in that: light source shelf one
And be camera frame (5) between light source shelf two (6) (1), it is provided with an aperture in camera frame (5) drilled in middle, and little through this with screw
Hole is connected with the camera pedestal of digital camera (3).
Cavern the most according to claim 7 three-dimensional live modeling data gathers light-source system, it is characterised in that: light intensity test
Pen (4) is arranged on the surface of the camera lens of digital camera (3), and light intensity test pen (4) is with camera frame (5) by bolt even
Connect.
Cavern the most according to claim 7 three-dimensional live modeling data gathers light-source system, it is characterised in that: light source shelf
One (1) and light source shelf two (6) and on it arrange hollow glass cylinder be bolted same with camera frame (5)
On bearing, this bearing and electric machine rotational axis (8) are connected on the motor of measurement apparatus control chamber and power supply (10), digital camera
(3) cable release is connected to measurement apparatus control chamber and electricity with the light source line of light source small lamp bulb one (2) and light source small lamp bulb two (7)
In the circuit of the control chamber in source (10).
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| CN201610699793.XA CN106153009B (en) | 2016-08-23 | 2016-08-23 | Cavern's three-dimensional live modeling data acquires light-source system design method and its system |
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| CN201610699793.XA CN106153009B (en) | 2016-08-23 | 2016-08-23 | Cavern's three-dimensional live modeling data acquires light-source system design method and its system |
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| CN106153009A true CN106153009A (en) | 2016-11-23 |
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| CN205981200U (en) * | 2016-08-23 | 2017-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Three -dimensional outdoor scene modeling data acquisition light source system in hole room |
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| CN201697615U (en) * | 2010-06-28 | 2011-01-05 | 南通北极光自动控制技术有限公司 | Three-dimensional laser scanning on-line detection profile meter |
| CN101984670A (en) * | 2010-11-16 | 2011-03-09 | 深圳超多维光电子有限公司 | Stereoscopic displaying method, tracking stereoscopic display and image processing device |
| CN202018553U (en) * | 2011-03-21 | 2011-10-26 | 吴克忠 | Light emitting diode (LED) lighting and monitoring device for use in public place |
| US20150138348A1 (en) * | 2013-03-15 | 2015-05-21 | The Government Of The Us, As Represented By The Secretary Of The Navy | Device and Method for Multifunction Relative Alignment and Sensing |
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