CN114705166B - Control point layout method, device, equipment and medium for large area array camera - Google Patents
Control point layout method, device, equipment and medium for large area array camera Download PDFInfo
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Abstract
The disclosure provides a control point layout method for a large area array camera, which is applied to the technical field of mapping and comprises the following steps: acquiring a side direction overlapping rate between two adjacent aerial photography baselines, laying a first control point model under the condition that the side direction overlapping rate is in a first preset range, wherein the first control point model comprises the flat height control point and the plane control point, laying a second control point model under the condition that the side direction overlapping rate is in a second preset range, wherein the second control point model comprises the flat height control point and the elevation control point, and the second preset range is not overlapped with the first preset range. The control point layout device, the electronic equipment and the storage medium for the large area array camera are further improved, and field measurement efficiency and field processing efficiency are improved.
Description
Technical Field
The disclosure relates to the technical field of mapping, and in particular relates to a control point layout method and device for a large area array camera, electronic equipment and a storage medium.
Background
In aerial photogrammetry, in order to carry out geometric correction of images, different precision achievements are produced, control points are necessary, and the required geometric precision is achieved by a method of adding the control points in the process of sky three, so that the control points play a very important role in photogrammetry, the arrangement of the control points is the beginning of the use of the whole control points and is one of the final links, the efficiency of field operation and the control of cost are affected by the arrangement of the points, and the later use result is determined. The large area array is a novel load which is self-developed in China, and has unique characteristics compared with the existing load, so that a proper control point layout scheme is designed according to the characteristics of the load.
At present, the layout of field control points in aerophotography is carried out according to the current specification requirement, the length of a photographic base line is b, the general layout method is that the large area array load is uniformly distributed according to the way of heading pitch span 3-4b and side pitch span 2b, the layout way needs to be used for laying a plurality of points, the field workload is large, the cost is high, and the layout is difficult in particular in areas with few or no characteristic points such as forest areas, grasslands or mountain areas.
Disclosure of Invention
The main purpose of the present disclosure is to provide a control point layout method, device, electronic equipment and storage medium for a large area array camera, which can be suitable for a control point layout scheme of more terrains, improve field measurement efficiency and field processing efficiency, and meet the requirement of data processing precision.
To achieve the above object, a first aspect of an embodiment of the present disclosure provides a control point layout method for a large area array camera, including:
the control points comprise a flat height control point, a plane control point and a height control point, and the control points comprise:
acquiring the side direction overlapping rate between two adjacent aerial photography baselines;
under the condition that the side overlap rate is in a first preset range, a first control point model is arranged, wherein the first control point model comprises the flat height control point and the plane control point;
and under the condition that the side overlap rate is in a second preset range, a second control point model is arranged, wherein the second control point model comprises the flat height control point and the elevation control point, and the second preset range is not overlapped with the first preset range.
In an embodiment of the present disclosure, in the first control point model, the plane control points and the flat control points are distributed in a cross manner in the direction of the aircraft;
and the heading interval between the adjacent plane control point and the flat-height control point is 8-10 b.
In an embodiment of the present disclosure, in the first control point model, the plane control points and the flat-height control points are distributed in a lateral direction in a crossing manner;
and the lateral interval between the adjacent plane control point and the adjacent flat-height control point is 3b.
In an embodiment of the disclosure, in the first control point model, flat height control points are arranged sideways around the area to be measured.
In an embodiment of the present disclosure, in the second control point model, the planar control points and the flat control points are distributed across in the direction of flight.
In an embodiment of the disclosure, in the second control point model, the flat height control points and the flat height control points of the point group are distributed upwards around the area to be measured, and the flat height control points of the point group include at least two flat height control points.
In an embodiment of the present disclosure, further comprising:
and before executing the flight mission, executing the operation of laying out the first control point model and/or the operation of laying out the second control point model.
A second aspect of the embodiments of the present disclosure provides a control point layout device for a large area array camera, including:
the acquisition module is also used for acquiring the side direction overlapping rate between two adjacent aerial photography baselines;
the first layout module is used for layout a first control point model under the condition that the side lap rate is in a first preset range, and the first control point model comprises the flat height control point and the plane control point;
the second layout module is used for layout a second control point model under the condition that the side direction overlapping rate is in a second preset range, the first control point model comprises the flat height control point and the elevation control point, and the second preset range is not overlapped with the first preset range.
In an embodiment of the present disclosure, in the first control point model, the plane control points and the flat control points are distributed in a cross manner in the direction of the aircraft;
and the heading interval between the adjacent plane control point and the flat-height control point is 8-10 b.
In an embodiment of the present disclosure, in the first control point model, the plane control points and the flat-height control points are distributed in a lateral direction in a crossing manner;
and the lateral interval between the adjacent plane control point and the adjacent flat-height control point is 3b.
In an embodiment of the disclosure, in the first control point model, flat height control points are arranged sideways around the area to be measured.
In an embodiment of the present disclosure, in the second control point model, the planar control points and the flat control points are distributed across in the direction of flight.
In an embodiment of the disclosure, in the second control point model, the flat height control points and the flat height control points of the point group are distributed upwards around the area to be measured, and the flat height control points of the point group include at least two flat height control points.
In an embodiment of the present disclosure, further comprising:
before executing the flight mission, the first layout module and/or the second layout module is executed.
A third aspect of an embodiment of the present disclosure provides an electronic device, including:
the control point layout method for the large area array camera is characterized in that the control point layout method for the large area array camera provided by the first aspect of the embodiment of the disclosure is realized when the processor executes the program.
A fourth aspect of the disclosed embodiments provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the control point layout method for a large area array camera provided in the first aspect of the disclosed embodiments.
According to the embodiment of the disclosure, the control point layout method, the device, the electronic equipment and the storage medium for the large area array camera provided by the disclosure are capable of increasing the interval between the control points, reducing the workload of field measurement to a certain extent and saving the cost of field measurement. Meanwhile, aiming at different flight conditions, different networking modes of a flat control point, a plane control point and an elevation control point are adopted, and targeted control point models are respectively designed for areas to be tested with low overlapping. Because the control point model is arranged before the flight, the time of the field measuring point is not limited by the flight time, and the method is more flexible and convenient.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present disclosure, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a control point layout method for a large area array camera according to an embodiment of the disclosure;
FIG. 2 is a schematic diagram of a first control point model according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a second control point model according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a control point layout device for a large area camera according to an embodiment of the present disclosure;
fig. 5 shows a schematic diagram of a hardware structure of an electronic device.
Detailed Description
In order to make the disclosure objects, features and advantages of the disclosure more comprehensible, the technical solutions in the embodiments of the disclosure will be clearly and completely described with reference to the accompanying drawings in the embodiments of the disclosure, and it is apparent that the described embodiments are only some embodiments of the disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Referring to fig. 1, fig. 1 is a flow chart of a control point layout method for a large area array camera according to an embodiment of the present disclosure, where the control points include a flat height control point, a plane control point and an elevation control point, and the method may be applied to an electronic device, where the electronic device includes: electronic equipment such as mobile phones, tablet computers, portable computers, intelligent watches and intelligent glasses capable of performing data processing in moving and electronic equipment such as desktop computers, all-in-one machines and intelligent televisions capable of performing data processing in moving mainly comprise the following steps:
s101, acquiring the side direction overlapping rate between two adjacent aerial photography baselines.
S102, under the condition that the side overlap rate is in a first preset range, a first control point model is arranged, and the first control point model comprises the flat height control point and the plane control point.
S103, under the condition that the side direction overlapping rate is in a second preset range, a second control point model is arranged, wherein the second control point model comprises the flat height control point and the elevation control point, and the second preset range is not overlapped with the first preset range.
In the present disclosure, the first preset range may be greater than 30%, and the second preset range may be less than 30%, or the first preset range is greater than 40%, and the second preset range is greater than 30%, so as to ensure that the second preset range and the first preset range do not overlap.
Referring to fig. 2, fig. 2 is a schematic diagram of a first control point model according to an embodiment of the disclosure, in which a horizontal line represents an aerial photography baseline, a circle represents a flat-height control point, and a triangle represents a planar control point.
In an embodiment of the present disclosure, as shown in fig. 2, in the first control point model, the plane control points and the level control points are distributed in a crossing manner in the heading direction, and the heading interval between the adjacent plane control points and the level control points is between 8 and 10 b. The interval of point placement and position location is enlarged, the workload of field measuring points is reduced, and the measuring point cost is saved.
In an embodiment of the disclosure, as shown in fig. 2, in the first control point model, the planar control points and the flat control points are distributed in a crossing manner in a lateral direction, and a lateral interval between the planar control points and the flat control points adjacent to each other is 3b. The interval of point placement and position location is enlarged, the workload of field measuring points is reduced, and the measuring point cost is saved.
In an embodiment of the present disclosure, as shown in fig. 2, in the first control point model, flat height control points are arranged sideways around the area to be measured. In the present disclosure, for some areas with less good area network adjustment, the four sides may be provided with flat control points in a dense manner.
Referring to fig. 3, fig. 3 is a schematic diagram of a second control point model according to an embodiment of the disclosure, in which a horizontal line represents an aerial photography baseline, a circle represents a level control point, and a fork represents an elevation control point.
In one embodiment of the present disclosure, as shown in FIG. 3, in the second control point model, the planar control points and the flat control points are distributed across the course.
In an embodiment of the disclosure, as shown in fig. 3, in the second control point model, the flat height control points and the flat height control points of the point group are distributed upwards around the area to be measured, and the flat height control points of the point group include at least two flat height control points. In fig. 3, the level control point of the point group is exemplified as including two level control points.
In an embodiment of the present disclosure, the control point layout method for a large area array camera further includes: before performing the flight mission, performing an operation of laying out the first control point model and/or the second control point model. The control point model is laid in advance before flying, so that the control point model is not dependent on the characteristic ground feature of the ground, and the control point model can be laid on the ground according to the requirement of a flying task. On one hand, the method is more convenient for field mining points, the expected control point coordinate measurement is more accurate, on the other hand, the method is more convenient for field puncturing points, the position of the control point can be quickly found, and the more accurate control point coordinate can be obtained. Based on the two aspects, on the premise of meeting the precision, the mapping production efficiency can be greatly improved by utilizing the method. Meanwhile, as the model of the control point is laid in advance before the flight, the acquisition time of the control point is flexible, a GPS base station can be laid in the region to be measured by adopting a real-time dynamic measurement technology before the flight or after the flight, and a GPS-RTK mobile station is laid at the control point model, and the three-dimensional coordinates of the control point can be obtained immediately after the acquisition.
In an embodiment of the present disclosure, a manner of using a circular cross mark at a control point layout position may be adopted, where the length of the cross mark is 80cm, and a colored (e.g., red, blue, etc.) paint may be used to paint the mark on the ground, and the center of the cross is used as a coordinate to read the position. The control point mark of the circular cross center is adopted, the field measuring point and the field stab point work are more convenient, and the point position coordinates are more accurate, so that the completion time of the flight task of the whole area to be measured is shortened under the condition of ensuring the product precision.
According to the embodiment of the disclosure, the interval between the control points is increased, so that the workload of field measurement can be reduced to a certain extent, and the cost of field measurement is saved. Meanwhile, aiming at different flight conditions, different networking modes of a flat control point, a plane control point and an elevation control point are adopted, and targeted control point models are respectively designed for areas to be tested with low overlapping. Because the control point model is arranged before the flight, the time of the field measuring point is not limited by the flight time, and the method is more flexible and convenient.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a control point layout device for a large area array camera according to another embodiment of the present disclosure, where the control points include a flat height control point, a plane control point and an elevation control point, and the device may be built in an electronic device, and the device mainly includes:
the acquisition module 410 also acquires the side-to-side overlap ratio between two adjacent aerial photography baselines;
a first layout module 420, configured to layout a first control point model, where the side overlap rate is in a first preset range, and the first control point model includes the flat height control point and the planar control point;
and a second layout module 430, configured to layout a second control point model when the side overlap rate is in a second preset range, where the first control point model includes the level control point and the elevation control point, and the second preset range does not overlap with the first preset range.
In an embodiment of the present disclosure, in the first control point model, the plane control points and the level control points are distributed in a crossing manner in the navigation direction;
the heading interval between the adjacent plane control point and the flat height control point is 8-10 b.
In an embodiment of the disclosure, in the first control point model, the plane control points and the level control points are distributed in a cross manner in a sideways direction;
the lateral interval between the adjacent plane control point and the flat height control point is 3b.
In an embodiment of the present disclosure, in the first control point model, flat height control points are arranged sideways around the area to be measured.
In an embodiment of the present disclosure, in the second control point model, the planar control points and the flat-height control points are distributed across the course.
In an embodiment of the disclosure, in the second control point model, the flat height control points and the flat height control points of the point group are distributed upwards around the area to be measured, and the flat height control points of the point group include at least two flat height control points.
In an embodiment of the present disclosure, further comprising:
the first layout module 420 and/or the second layout module 430 are executed prior to performing the flight mission.
Referring to fig. 5, fig. 5 shows a hardware configuration diagram of an electronic device.
The electronic device described in the present embodiment includes:
the memory 41, the processor 42 and the computer program stored in the memory 41 and executable on the processor, the processor executing the program implements the synchronous control method of the multi-axis motion system described in the embodiment shown in fig. 1.
Further, the electronic device further includes:
at least one input device 43; at least one output device 44.
The memory 41, the processor 42, the input device 43 and the output device 44 are connected by a bus 45.
The input device 43 may be a camera, a touch panel, a physical button, a mouse, or the like. The output device 44 may be in particular a display screen.
The memory 41 may be a high-speed random access memory (RAM, random Access Memory) memory or a non-volatile memory (non-volatile memory), such as a disk memory. Memory 41 is used to store a set of executable program code and processor 42 is coupled to memory 41.
Further, the embodiment of the present disclosure further provides a computer readable storage medium, which may be provided in the electronic device in the above embodiments, and the computer readable storage medium may be the electronic device in the embodiment shown in fig. 5. The computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the control point layout method for a large area camera described in the embodiment shown in fig. 1 described above. Further, the computer-readable medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, etc. which may store the program code.
It should be noted that, each functional module in each embodiment of the present disclosure may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such an understanding, the technical solution of the invention may be embodied essentially or partly in the form of a software product or in part in addition to the prior art.
It should be noted that, for the sake of simplicity of description, the foregoing method embodiments are all expressed as a series of combinations of actions, but it should be understood by those skilled in the art that the present invention is not limited by the order of actions described, as some steps may be performed in other order or simultaneously in accordance with the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily all required for the present invention.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
The foregoing describes a control point layout method, apparatus, electronic device and readable storage medium for a large area camera according to the present invention, and those skilled in the art will have variations in terms of specific embodiments and application scope according to the concepts of the embodiments of the present invention.
Claims (5)
1. The control point layout method for the large area array camera is characterized in that the control points comprise a flat height control point, a plane control point and a height control point, and the control point layout method comprises the following steps:
acquiring the side direction overlapping rate between two adjacent aerial photography baselines;
under the condition that the side overlap rate is in a first preset range, a first control point model is arranged, wherein the first control point model comprises the flat height control point and the plane control point;
if the side overlap rate is in a second preset range, a second control point model is arranged, wherein the second control point model comprises the flat height control point and the elevation control point, and the second preset range is not overlapped with the first preset range;
in the first control point model, the plane control points and the flat-height control points are distributed in a crossing manner in the navigation direction; heading intervals between the adjacent plane control points and the adjacent flat-height control points are 8-10 b;
in the first control point model, the plane control points and the flat-height control points are distributed in a crossing way in a lateral direction; the lateral interval between the adjacent plane control points and the adjacent flat-height control points is 3b;
in the first control point model, flat high control points are distributed sideways around the area to be measured;
in the second control point model, the plane control points and the flat-height control points are distributed in a crossing manner in the navigation direction;
in the second control point model, the flat height control points and the point group type flat height control points are distributed upwards around the area to be detected, and the point group type flat height control points comprise at least two flat height control points.
2. The control point layout method according to claim 1, further comprising:
and before executing the flight mission, executing the operation of laying out the first control point model and/or the operation of laying out the second control point model.
3. The control point layout device for the large area array camera is characterized in that the control points comprise a flat height control point, a plane control point and a height control point, and the control point layout device comprises:
the acquisition module is also used for acquiring the side direction overlapping rate between two adjacent aerial photography baselines;
the first layout module is used for layout a first control point model under the condition that the side lap rate is in a first preset range, and the first control point model comprises the flat height control point and the plane control point;
the second layout module is used for layout a second control point model under the condition that the side direction overlapping rate is in a second preset range, wherein the second control point model comprises the flat height control point and the elevation control point, and the second preset range is not overlapped with the first preset range;
in the first control point model, the plane control points and the flat-height control points are distributed in a crossing manner in the navigation direction; heading intervals between the adjacent plane control points and the adjacent flat-height control points are 8-10 b;
in the first control point model, the plane control points and the flat-height control points are distributed in a crossing way in a lateral direction; the lateral interval between the adjacent plane control points and the adjacent flat-height control points is 3b;
in the first control point model, flat high control points are distributed sideways around the area to be measured;
in the second control point model, the plane control points and the flat-height control points are distributed in a crossing manner in the navigation direction;
in the second control point model, the flat height control points and the point group type flat height control points are distributed upwards around the area to be detected, and the point group type flat height control points comprise at least two flat height control points.
4. An electronic device, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the control point layout method for a large area camera according to any one of claims 1 to 2 when executing the computer program.
5. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the respective steps in the control point layout method for a large area camera according to any one of claims 1 to 2.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080205790A1 (en) * | 2007-02-23 | 2008-08-28 | Wear Mark E | Iterative region-based automated control point generation |
| CN102538770A (en) * | 2012-01-17 | 2012-07-04 | 中国电力工程顾问集团中南电力设计院 | Low altitude photography image control point arranging method |
| CN104406574A (en) * | 2014-12-01 | 2015-03-11 | 中国能源建设集团山西省电力勘测设计院 | Field plane-height image control point laid target for unmanned aerial vehicle photogrammetric survey and layout method of target |
| CN114184172A (en) * | 2021-10-22 | 2022-03-15 | 中石化石油工程技术服务有限公司 | Low-altitude aerial survey image control point layout method |
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- 2022-03-31 CN CN202210352676.1A patent/CN114705166B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080205790A1 (en) * | 2007-02-23 | 2008-08-28 | Wear Mark E | Iterative region-based automated control point generation |
| CN102538770A (en) * | 2012-01-17 | 2012-07-04 | 中国电力工程顾问集团中南电力设计院 | Low altitude photography image control point arranging method |
| CN104406574A (en) * | 2014-12-01 | 2015-03-11 | 中国能源建设集团山西省电力勘测设计院 | Field plane-height image control point laid target for unmanned aerial vehicle photogrammetric survey and layout method of target |
| CN114184172A (en) * | 2021-10-22 | 2022-03-15 | 中石化石油工程技术服务有限公司 | Low-altitude aerial survey image control point layout method |
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