CN114593714A - Ground image control point device for oblique photography modeling - Google Patents
Ground image control point device for oblique photography modeling Download PDFInfo
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- CN114593714A CN114593714A CN202210245908.3A CN202210245908A CN114593714A CN 114593714 A CN114593714 A CN 114593714A CN 202210245908 A CN202210245908 A CN 202210245908A CN 114593714 A CN114593714 A CN 114593714A
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- diffuse reflection
- image control
- oblique photography
- control point
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
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- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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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
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
- G01S19/49—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a ground image control point device for oblique photography modeling, which is characterized in that a device body is arranged in a taper multi-face structure, an LED lamp is arranged at the top of the device body, a diffuse reflection coating is coated on the surface of the body, the colors of the diffuse reflection coatings coated on two adjacent surfaces of the device body are different, the design is suitable for the arrangement of different terrains, the identification degree can meet the oblique photography requirements of various operation ranges, the influence of image control points of 'paint marks' and 'powder marks' on the environment can be avoided, and the accuracy and the efficiency of oblique photography real-scene modeling are improved; the body base is of a polygonal structure, holes are formed in four corners of the body base and are used for mounting supporting legs, and a bubble level gauge and a number plate are arranged on a panel of the body base; the supporting leg of the device is provided with a thread and an adjusting sleeve; the diffuse reflection sign board can adopt T type trip structure concatenation in base four sides, and above structure simple to operate, the adjustment precision is high, and the device loading and unloading mode is convenient, has alleviateed the degree of difficulty of oblique photography field work.
Description
Technical Field
The invention belongs to the field of real-scene modeling of oblique photography of unmanned aerial vehicles, and particularly relates to a ground image control point device for improving real-scene modeling precision.
Background
The unmanned aerial vehicle oblique photography live-action modeling is a comprehensive technology which is visual, efficient, low in comprehensive cost and wide in application field, a live-action model generated by utilizing ground images which are acquired by a low-altitude unmanned machine and have multiple angles and high overlapping rates can truly reflect geographic spatial information of a shot area, and compared with the traditional manual survey operation, the unmanned aerial vehicle oblique photography live-action modeling has incomparable advantages in the aspects of high efficiency, flexibility, intuition and the like. The image control points arranged in the aerial photography area are used for assisting in controlling image adjustment and providing auxiliary positioning information for later-stage live-action modeling, long-distance geometric distortion of the camera can be avoided, real and reliable plane coordinates are given to oblique photography results, and the live-action model has more accurate space geographic precision.
For a long time, the unmanned aerial vehicle oblique photography image control points usually select inherent characteristic points of buildings or earth surfaces, such as well covers, road junctions, trees and the like, or the image control points are manufactured manually by spreading lime 'powder marks', spraying paint 'paint marks' and the like on the ground, the two image control points are difficult to arrange in an area with rare smoke, a large amount of manpower and material resources are consumed, the irreversible damage to the surrounding environment is easily caused, and in mountainous regions or areas with uneven terrain, the image control points are easily influenced by the gradient of the ground to cause errors, and the progress of oblique photography operation and the quality of real-scene modeling are seriously influenced.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a ground image control point device for oblique photography modeling, which is convenient and fast in assembly, reduces the difficulty of oblique photography field work, can automatically store and upload coordinates and elevation information of image control points, is suitable for laying different terrains, can meet oblique photography requirements of various operation ranges in identification degree, is convenient for selecting real-scene modeling images at a later stage, and improves the accuracy and efficiency of oblique photography real-scene modeling.
A ground image control point device for oblique photography modeling comprises a device body, a body base, supporting legs and a diffuse reflection sign board; the device body is arranged in a taper multi-face structure, a GPS positioning module, an acceleration sensor, a power supply module and a Bluetooth module are arranged in the device body, an LED lamp is arranged at the top of the device body, a diffuse reflection coating is coated on the surface of the device body, and the color of the diffuse reflection coating coated on two adjacent surfaces of the device body is different; the body base is of a polygonal structure, holes are formed in four corners of the body base and are used for mounting supporting legs, and a bubble level meter, a liquid crystal display screen and a number plate are arranged on a base panel; the supporting leg of the device is provided with a thread and an adjusting sleeve; the diffuse reflection sign board can be spliced on the four sides of the base by adopting a T-shaped tenon structure.
Preferably, the device body adopts a pyramid structure, and the surface of the device body is coated with red and white diffuse reflection coatings.
Preferably, an acceleration threshold is further set in the device body, if the data of the acceleration sensor is larger than a preset threshold, the GPS data of the equipment is not stored, and the LED lamp is in a flashing state; if the data of the acceleration sensor is smaller than a preset threshold value, the current coordinate and elevation information of the device is collected and stored, the current coordinate and elevation information is uploaded to terminal equipment such as a mobile phone or a computer of an operator through a Bluetooth module, and the LED lamp is in a lighting state.
Preferably, the supporting legs are provided with threads and internal thread sleeves, and the heights of the supporting legs can be manually adjusted according to the indication number of the bubble level meter in a region with uneven mountain land or terrain, so that the base is in a horizontal position.
Preferably, the diffuse reflection sign board adopts light-duty material, and the surface has red and white diffuse reflection coating, according to optical principle, red wavelength is longer, is difficult to be blockked by the particle of suspension in the air and scatters, can improve the degree of distinguishing of image control point.
Preferably, device body and base integral type structure, threaded supporting leg adopt the bolt mode fixed, and diffuse reflection sign board adopts T type trip structure concatenation in device base four sides, and all parts loading and unloading are swift, easy to operate, portable.
The invention has the beneficial effects that:
according to the device, through the structural arrangement, the device body is arranged in a taper multi-face structure, the GPS positioning module, the acceleration sensor, the power supply module and the Bluetooth module are arranged in the device body, the LED lamp is arranged at the top of the device body, the surface of the device body is coated with the diffuse reflection coating, the diffuse reflection coatings coated on two adjacent surfaces of the device body are different in color, the design is suitable for arrangement of different terrains, the identification degree can meet the requirements of oblique photography in various operation ranges, the influence of image control points of 'paint marks' and 'powder marks' on the environment can be avoided, the selection of later-stage real-scene modeling images is facilitated, and the accuracy and the efficiency of oblique photography real-scene modeling are improved; the body base is of a polygonal structure, holes are formed in four corners of the body base and are used for mounting supporting legs, and a bubble level meter, a liquid crystal display screen and a number plate are arranged on a base panel; the supporting leg of the device is provided with a thread and an adjusting sleeve; the diffuse reflection sign board can adopt T type trip structure concatenation to base four sides, above structure simple to operate, and the adjustment precision is high, and the device loading and unloading mode is convenient, has alleviateed the degree of difficulty of oblique photography field work, but image control point coordinate and elevation information are uploaded in the automatic storage of device.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a side view of the mounting structure of the present invention;
in the drawings, 1 denotes an apparatus main body; 2. a device base; 3. an LED lamp; 4. a bubble level; 5. a liquid crystal display screen; 6. numbering cards; 7. supporting legs; 8. a spring; 9. a height adjustment sleeve; 10. a diffuse reflection sign board; 11. a T-shaped clamping groove; 12. t-shaped clamping tenon.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
As shown in the attached drawing, a ground image control point device for oblique photography modeling, including device body 1, device base 2, threaded supporting leg 7 and diffuse reflection sign board 10, the surface of device body 1 and diffuse reflection sign board 10 all scribbles the apparent colored coating of colour difference, in this embodiment, adopt red and white diffuse reflection coating respectively and the colour block diagonal arrangement of the same colour, this kind of mode can make when unmanned aerial vehicle adopts inclination to shoot ground image, strengthens the degree of discerning of ground image control point device. The device body 1 and the device base 2 are of an integrated structure, as shown in fig. 3, the device base 2 is arranged in a quadrilateral structure, T-shaped clamping grooves 1 are reserved on four sides of the device base, one side of the diffuse reflection sign board 10 is matched with the T-shaped clamping grooves 1 through a T-shaped clamping tenon 12 structure, and the diffuse reflection sign board is inserted into the periphery of the device base 2 through the T-shaped clamping tenons 12.
In the device, the device base 2 is of a square structure, the side length is set to be 500mm, holes are formed in four corners for mounting supporting legs 7, and a bubble level meter 4, a liquid crystal display screen 5 and a number plate 6 are arranged on a panel of the device base 2; the supporting legs 7 of the device are provided with threads and height adjusting sleeves 9, and the height of each supporting leg 7 can be manually adjusted according to the indication number of the bubble level meter 4 in the region with uneven mountain or terrain, so that the base 2 of the device is in a horizontal position. Through the structure arrangement, the threaded supporting legs 7 and the diffuse reflection sign boards 10 can be quickly assembled and disassembled, and are easy to operate and carry.
The device body 1 preferably adopts a pyramid structure, the length of the bottom edge of the pyramid structure is set to be 300mm, the height of the pyramid structure is 300mm, and the pyramid structure can be used for enhancing the identification degree of the image control point device when the oblique photography operation is performed aiming at the high flying height of the unmanned aerial vehicle. When the unmanned aerial vehicle shoots a ground image by adopting an inclined angle, the identification degree of the ground image control point device can be enhanced by the inclined plane structure of the pyramid, so that the arrangement of the image control points meets the requirements of the specifications of low-altitude digital aerial photography (CH/Z3003-2010) and low-altitude digital aerial photography measurement field specifications (CH/Z3004-2010) and the like.
The device body 1 is internally provided with a GPS positioning module, an acceleration sensor, a power supply module and a Bluetooth module, and the center of the top of the device body 1 is provided with an LED lamp 3; an acceleration sensor in the device can be provided with an acceleration threshold, and in an actual use state, if the data of the acceleration sensor is greater than a preset threshold, the GPS data of the device is not stored, and the LED lamp 3 is in a flashing state; if the data of the acceleration sensor is smaller than a preset threshold value, the current coordinate and elevation information of the device is collected and stored, the current coordinate and elevation information is uploaded to terminal equipment such as a mobile phone or a computer of an operator through a Bluetooth module, and the LED lamp 3 is in a lighting state. The power module and the bluetooth module can be mounted by using an adhesive structure, the power supply mode is supplied by using a direct current battery, and the specific connection mode is not repeated herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A ground image control point device for oblique photography modeling, which comprises a plurality of upright column supporting supply racks, and is characterized in that: the device comprises a device body, a body base, supporting legs and a diffuse reflection sign board; the device body is arranged in a taper multi-face structure, and comprises a GPS positioning module, an acceleration sensor, a power supply module and a Bluetooth module; the LED lamp is arranged at the top of the device body, the surface of the device body is coated with a diffuse reflection coating, and the diffuse reflection coatings coated on two adjacent surfaces on the device body with a taper multi-surface structure are different in color; the body base is polygonal structure, and its vertical through set up porosely be used for the installation supporting leg, sets up bubble spirit level, liquid crystal display, number plate on the base panel.
2. The ground image control point device for oblique photography modeling according to claim 1, wherein: the supporting leg is provided with a thread and an adjusting device for realizing height adjustment of the supporting leg.
3. The ground image control point device for oblique photography modeling according to claim 1, wherein: the diffuse reflection sign board is spliced on the four sides of the base by a T-shaped tenon structure.
4. The ground image control point device for oblique photography modeling according to claim 1, wherein: the device body adopts the pyramid structure, and the surface scribbles red and white diffuse reflection coating, and adjacent surface scribbles the diffuse reflection coating of different colours.
5. The ground image control point device for oblique photography modeling according to claim 1, wherein: the diffuse reflection sign board is made of light materials, red and white diffuse reflection coatings are arranged on the surface of the diffuse reflection sign board, and the colors of the adjacent diffuse reflection sign boards are different.
6. The ground image control point device for oblique photography modeling according to claim 1, wherein: an acceleration threshold value is also set in the device body, if the data of the acceleration sensor is greater than a preset threshold value, the GPS data of the equipment is not stored, and the LED lamp is in a flashing state; if the data of the acceleration sensor is smaller than a preset threshold value, the current coordinate and elevation information of the device is collected and stored, the current coordinate and elevation information is uploaded to terminal equipment such as a mobile phone or a computer of an operator through a Bluetooth module, and the LED lamp is in a lighting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210245908.3A CN114593714A (en) | 2022-03-14 | 2022-03-14 | Ground image control point device for oblique photography modeling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210245908.3A CN114593714A (en) | 2022-03-14 | 2022-03-14 | Ground image control point device for oblique photography modeling |
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| Publication Number | Publication Date |
|---|---|
| CN114593714A true CN114593714A (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210245908.3A Pending CN114593714A (en) | 2022-03-14 | 2022-03-14 | Ground image control point device for oblique photography modeling |
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| CN (1) | CN114593714A (en) |
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| CN208567884U (en) * | 2018-05-16 | 2019-03-01 | 上海胜义环境科技有限公司 | A kind of new terrestrial photo control point structure |
| CN208780193U (en) * | 2018-10-31 | 2019-04-23 | 西南交通大学 | It is a kind of for obtaining the device of aerophotogrammetry control point coordinates |
| CN110100149A (en) * | 2016-12-27 | 2019-08-06 | 索尼公司 | Survey label, image processing apparatus, image processing method and program |
| CN210108354U (en) * | 2019-08-25 | 2020-02-21 | 中铁二局第一工程有限公司 | Can dismantle portable unmanned aerial vehicle aerial survey image control point ground sign |
| CN111121727A (en) * | 2020-01-10 | 2020-05-08 | 西南交通大学 | Image control point target system and method for unmanned aerial vehicle measurement and airborne laser radar |
| CN211740206U (en) * | 2020-05-11 | 2020-10-23 | 航天建筑设计研究院有限公司 | Oblique photogrammetry ground image control point mark |
| CN214308735U (en) * | 2021-03-31 | 2021-09-28 | 宁夏公路勘察设计院有限责任公司 | Device is laid fast to oblique photography image control point |
| CN214375272U (en) * | 2021-03-30 | 2021-10-08 | 山西华阳集团新能股份有限公司 | Repeatedly usable's airborne laser radar and unmanned aerial vehicle aerial photograph ground target |
| CN215639428U (en) * | 2021-08-24 | 2022-01-25 | 西安科技大学 | Semi-permanent image control point device based on unmanned aerial vehicle remote sensing monitoring landslide hazard |
-
2022
- 2022-03-14 CN CN202210245908.3A patent/CN114593714A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110100149A (en) * | 2016-12-27 | 2019-08-06 | 索尼公司 | Survey label, image processing apparatus, image processing method and program |
| US20180259652A1 (en) * | 2017-03-09 | 2018-09-13 | Aerosense Inc. | Information processing system, information processing device, and information processing method |
| CN208567884U (en) * | 2018-05-16 | 2019-03-01 | 上海胜义环境科技有限公司 | A kind of new terrestrial photo control point structure |
| CN208780193U (en) * | 2018-10-31 | 2019-04-23 | 西南交通大学 | It is a kind of for obtaining the device of aerophotogrammetry control point coordinates |
| CN210108354U (en) * | 2019-08-25 | 2020-02-21 | 中铁二局第一工程有限公司 | Can dismantle portable unmanned aerial vehicle aerial survey image control point ground sign |
| CN111121727A (en) * | 2020-01-10 | 2020-05-08 | 西南交通大学 | Image control point target system and method for unmanned aerial vehicle measurement and airborne laser radar |
| CN211740206U (en) * | 2020-05-11 | 2020-10-23 | 航天建筑设计研究院有限公司 | Oblique photogrammetry ground image control point mark |
| CN214375272U (en) * | 2021-03-30 | 2021-10-08 | 山西华阳集团新能股份有限公司 | Repeatedly usable's airborne laser radar and unmanned aerial vehicle aerial photograph ground target |
| CN214308735U (en) * | 2021-03-31 | 2021-09-28 | 宁夏公路勘察设计院有限责任公司 | Device is laid fast to oblique photography image control point |
| CN215639428U (en) * | 2021-08-24 | 2022-01-25 | 西安科技大学 | Semi-permanent image control point device based on unmanned aerial vehicle remote sensing monitoring landslide hazard |
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