CN211012949U - Dual-purpose registration target for ground-based laser radar and aerial photogrammetry - Google Patents
Dual-purpose registration target for ground-based laser radar and aerial photogrammetry Download PDFInfo
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- CN211012949U CN211012949U CN201922357141.XU CN201922357141U CN211012949U CN 211012949 U CN211012949 U CN 211012949U CN 201922357141 U CN201922357141 U CN 201922357141U CN 211012949 U CN211012949 U CN 211012949U
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Abstract
The utility model relates to a dual-purpose registration mark target of ground laser radar and aerial photogrammetry, in particular to monitoring or calibrating device field. The device comprises a top device, a base and a bottom foot rest, wherein the base is respectively connected with the top device and the bottom foot rest, the base is provided with a horizontal centering adjusting device, and the top device comprises a ground target, two reflecting balls and a prism; the top device comprises two reflecting balls, a ground target and a prism, wherein the prism and the two reflecting balls are arranged above the ground target, the ground target is a square target horizontal to the ground, the two reflecting balls are arranged on two opposite angle vertexes of the ground target, and the prism is arranged at the center position of the ground target. The technical problem of how to adapt the registration target to a field area is solved, and the method is suitable for the image control point target for foundation laser radar registration or aerial photogrammetry.
Description
Technical Field
The utility model relates to a monitoring or calibrating device field, in particular to dual-purpose registration mark target of ground based laser radar and aerial photogrammetry.
Background
The laser radar L iDAR (L light Detection And Ranging) technology is an active remote sensing technology which is rapidly developed in the last 20 years, is based on a working mechanism of active remote sensing, has functions which many passive remote sensing do not have, can directly, quickly And accurately acquire spatial data of an object, has many advantages, can provide tree point cloud data And tree vertical structure information, realizes efficient And accurate monitoring of tree resources from different spatial scales, can acquire the point cloud data by T L S, extracts basic parameters of trees, constructs a three-dimensional model of the trees, And is successfully applied to forest parameter inversion.
Meanwhile, in recent years, aerial photogrammetry has been rapidly developed and widely used in surveying work, which has taken an extremely important role. The unmanned aerial vehicle aerial photogrammetry system has the characteristics of small volume, low cost, flexibility, high imaging resolution, high speed and efficiency, capability of quickly obtaining high-quality and high-resolution remote sensing images and the like, can be used for carrying out operation in severe environments and high-risk areas, and fully embodies the characteristics of flexibility, wide application range and the like of unmanned aerial vehicle remote sensing particularly in small areas, areas with relatively complex geomorphic and meteorological conditions. However, the problems of selecting and arranging image control points and the like exist when the unmanned aerial vehicle is used for photogrammetry. The global property, the effectiveness and the scientificity of the dynamic disaster monitoring can be realized by combining the ground investigation and other means. With the development of recent years, the unmanned aerial vehicle photogrammetry technology has become an important technical means for resource environment investigation, real-time monitoring of emergency, disaster prediction and evaluation, and the like.
The ground laser radar T L S (terrestial L as Scanning) also has the functions of three-dimensional simulation modeling and the like, and has a complementary effect with aerial photography to a certain extent on the three-dimensional simulation modeling, an unmanned aerial vehicle is used for oblique photogrammetry and three-dimensional modeling of a terrain building and the like, and the local modeling precision is insufficient due to the fact that some areas and building shapes are complex, at the moment, the ground laser radar can be used for local area survey Scanning measurement and three-dimensional simulation modeling, the modeling precision is higher than that of aerial photography measurement, point cloud data can assist the oblique photogrammetry modeling result in local model repairing work, meanwhile, when aerial photography measurement is used for measuring a large-area forest land area, the image data cannot obtain a high-precision three-dimensional model during three-dimensional modeling, the ground laser radar has good application in the forest land three-dimensional modeling, the unmanned aerial vehicle image and the ground laser radar Scanning result can be combined, the plane measurement result of the measured area can be obtained, the internal three-dimensional model can also be obtained, and the important effect on related research and learning is achieved.
In this process, there are also certain problems: when the ground-based laser radar works in field areas such as forest lands, the texture characteristics of the surrounding environment are not obvious, the existing known data are possibly insufficient, the orientation and the registration of the existing known data are difficult to realize, and the existing known data are difficult to register with unmanned aerial vehicle image processing data after the measurement is finished. Therefore, during unmanned aerial vehicle photogrammetry, image control points need to be distributed on the ground, and meanwhile point cloud data measured by the ground laser radar needs to be registered. The target can be used as a ground image control point target of the unmanned aerial vehicle and a registration target of a foundation laser radar.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve makes registration mark target be applicable to open-air region.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a dual-purpose registration target for ground-based lidar and aerial photogrammetry, comprising: the horizontal centering adjusting device comprises a top device, a base and a bottom foot rest, wherein the base is respectively connected with the top device and the bottom foot rest, the base is provided with a horizontal centering adjusting device, and the top device comprises a ground target, two reflecting balls and a prism;
the top device comprises two reflecting balls, a ground target and a prism, wherein the prism and the two reflecting balls are arranged above the ground target, the ground target is a square target horizontal to the ground, the two reflecting balls are arranged on two opposite angle vertexes of the ground target, and the prism is arranged at the center position of the ground target.
The utility model has the advantages that: the base part is used for connecting the top part and simultaneously takes charge of the adjustment of the level and the plumb of the whole device, the foot rest device can ensure the stable operation of the device under various terrain conditions, the reflecting ball can perform the functions of orientation and registration when the ground laser radar is operated, when the total station is used for operation, the prism can realize the measurement of the space coordinates of the target, the unmanned aerial vehicle ground target can be used as a ground image control point for aerial photogrammetry, and the unmanned aerial vehicle ground target can be more suitable for complex terrain environment after being provided with the foot rest, the data processing is easy to be registered with the unmanned aerial vehicle image processing data, the technical problem of how to make the registration target suitable for the field area is solved, meanwhile, the technical effects of assisting the ground laser radar in absolute positioning during single-station measurement, serving as a reflection target for multi-station registration of the ground laser radar and serving as an aerial photogrammetry image control point target are achieved.
When the registration target of the scheme is used, the position of the control point is determined, then the registration target of the scheme is assembled, the base is connected with the top device and the bottom foot rest, the horizontal direction and the vertical direction of the base are adjusted by the horizontal centering adjusting device,
on the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the bottom foot rest is a tripod.
Furthermore, the surface of the ground target is uniformly divided into eight blocks according to the shape of a Chinese character mi, and the colors of the two adjacent blocks are different.
Further, the ground target is black and white in color.
Further, the base is connected with the top device and the bottom foot rest in a bolt connection mode.
The beneficial effect of adopting above-mentioned further scheme is that, after setting up like this, convenience of customers assembles or disassembles the registration mark target of this scheme, and convenience of customers carries.
Furthermore, the reflecting ball is made of aluminum or stainless steel.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the dual-purpose registration target for ground-based lidar and aerial photogrammetry of the present invention;
figure 2 is an elevation view of an embodiment of the dual-purpose registration target of the present invention for ground based lidar and aerial photogrammetry.
Figure 3 is a ground target top view of other embodiments of the dual-purpose registration target for ground based lidar and aerial photogrammetry of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The embodiment is substantially as shown in figures 1 and 2:
dual-purpose registration target of ground based laser radar and aerial photogrammetry in this embodiment includes: the device comprises a top device, a base 2 and a bottom foot rest 1, wherein the base 2 is respectively connected with the top device and the bottom foot rest 1, the base 2 is provided with a horizontal centering adjusting device, the top device comprises a ground target 3, two reflecting balls 4 and a prism 5, the horizontal centering device in the embodiment comprises a water-containing round bubble and a plumb bob, the ground target in the embodiment can be a square with the side length of 15cm, the reflecting balls can be spheres with the diameter of 5cm, and the prism can be a circular prism with the diameter of 5 cm;
the top device comprises two reflecting balls 4, a ground target 3 and a prism 5, wherein the prism 5 and the two reflecting balls 4 are arranged above the ground target 3, the ground target 3 is a square target horizontal to the ground, the two reflecting balls 4 are arranged on two opposite angle vertexes of the ground target 3, and the prism 5 is arranged at the center of the ground target 3.
The utility model has the advantages that: the base 2 is used for connecting the top and is responsible for adjusting the level and the plumb of the whole device, the foot rest device can ensure the stable operation of the device under various terrain conditions, the reflecting ball 4 can perform the functions of orientation and registration when the ground laser radar is operated, when the total station is used for operation, the prism 5 can realize the space coordinate of the measuring target, the unmanned aerial vehicle ground target 3 can be used as a ground image control point for aerial photogrammetry, and the unmanned aerial vehicle ground target can be more suitable for complex terrain environment after being provided with the foot rest, the data processing is easy to be registered with the unmanned aerial vehicle image processing data, the technical problem of how to make the registration target suitable for the field area is solved, meanwhile, the technical effects of assisting the ground laser radar in absolute positioning during single-station measurement, serving as a reflection target for multi-station registration of the ground laser radar and serving as an aerial photogrammetry image control point target are achieved.
When the registration target of the scheme is used, the position of a control point is determined, then the registration target of the scheme is assembled, the base 2 is connected with the top device and the bottom foot rest 1, the horizontal direction and the vertical direction of the base 2 are adjusted by the horizontal centering adjusting device,
on the basis of the technical scheme, the utility model discloses can also do following improvement.
Alternatively, in some other embodiments, the bottom foot rest 1 is a tripod.
Alternatively, in some other embodiments, as shown in fig. 3, the surface of the ground target 3 is divided into eight pieces uniformly in a shape of a Chinese character mi, and the colors of the two adjacent pieces are different.
Optionally, in some other embodiments, the ground target 3 is alternating black and white in color.
Alternatively, in some other embodiments, the base 2 is bolted to the top unit and the bottom foot rest 1.
After the arrangement, the registration target is convenient for a user to assemble or disassemble, and the registration target is convenient for the user to carry.
Optionally, in some other embodiments, the reflective ball 4 is made of aluminum or stainless steel.
It should be noted that the above embodiments are product embodiments corresponding to the above method embodiments, and for the description of each structural device and the optional implementation in this embodiment, reference may be made to the corresponding description in the above method embodiments, and details are not repeated herein.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A dual-purpose registration target for ground-based lidar and aerial photogrammetry, comprising: the horizontal centering adjusting device comprises a top device, a base and a bottom foot rest, wherein the base is respectively connected with the top device and the bottom foot rest, the base is provided with a horizontal centering adjusting device, and the top device comprises a ground target, two reflecting balls and a prism;
the top device comprises two reflecting balls, a ground target and a prism, wherein the prism and the two reflecting balls are arranged above the ground target, the ground target is a square target horizontal to the ground, the two reflecting balls are arranged on two opposite angle vertexes of the ground target, and the prism is arranged at the center position of the ground target.
2. The dual-purpose ground-based lidar and aerial photogrammetry registration target of claim 1, wherein: the bottom foot rest is a tripod.
3. The dual-purpose ground-based lidar and aerial photogrammetry registration target of claim 1, wherein: the surface of the ground target is uniformly divided into eight blocks according to the shape of a Chinese character 'mi', and the colors of two adjacent blocks are different.
4. The dual-purpose ground-based lidar and aerial photogrammetry registration target of claim 3, wherein: the ground target is black and white alternately.
5. The dual-purpose ground-based lidar and aerial photogrammetry registration target of claim 1, wherein: the base is connected with the top device and the bottom foot rest through bolts.
6. The dual-purpose ground-based lidar and aerial photogrammetry registration target of claim 1, wherein: the reflecting ball is made of aluminum or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922357141.XU CN211012949U (en) | 2019-12-25 | 2019-12-25 | Dual-purpose registration target for ground-based laser radar and aerial photogrammetry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922357141.XU CN211012949U (en) | 2019-12-25 | 2019-12-25 | Dual-purpose registration target for ground-based laser radar and aerial photogrammetry |
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| CN211012949U true CN211012949U (en) | 2020-07-14 |
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| CN201922357141.XU Expired - Fee Related CN211012949U (en) | 2019-12-25 | 2019-12-25 | Dual-purpose registration target for ground-based laser radar and aerial photogrammetry |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066963A (en) * | 2020-08-24 | 2020-12-11 | 中国人民解放军61243部队 | Ground control point target for photogrammetry and rapid layout method thereof |
| CN112666576A (en) * | 2020-12-23 | 2021-04-16 | 西南交通大学 | Target |
| CN113340192A (en) * | 2021-05-27 | 2021-09-03 | 长沙理工大学 | Multi-technology combined slope surface deformation monitoring system and method |
| CN116539015A (en) * | 2023-07-03 | 2023-08-04 | 云南超图地理信息有限公司 | Remote sensing survey and drawing support |
-
2019
- 2019-12-25 CN CN201922357141.XU patent/CN211012949U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066963A (en) * | 2020-08-24 | 2020-12-11 | 中国人民解放军61243部队 | Ground control point target for photogrammetry and rapid layout method thereof |
| CN112666576A (en) * | 2020-12-23 | 2021-04-16 | 西南交通大学 | Target |
| CN113340192A (en) * | 2021-05-27 | 2021-09-03 | 长沙理工大学 | Multi-technology combined slope surface deformation monitoring system and method |
| CN116539015A (en) * | 2023-07-03 | 2023-08-04 | 云南超图地理信息有限公司 | Remote sensing survey and drawing support |
| CN116539015B (en) * | 2023-07-03 | 2023-09-05 | 云南超图地理信息有限公司 | Remote sensing survey and drawing support |
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Granted publication date: 20200714 Termination date: 20201225 |