CN115326023A - Land measurement preprocessing method based on unmanned aerial vehicle image - Google Patents
Land measurement preprocessing method based on unmanned aerial vehicle image Download PDFInfo
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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
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- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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Abstract
The invention belongs to the technical field of land measurement preprocessing, and particularly relates to a land measurement preprocessing method based on an unmanned aerial vehicle image, wherein a land map shot by an unmanned aerial vehicle full-energy high-definition camera is uploaded to an unmanned aerial vehicle image data processing platform for identification, and the area calculation corresponding to the land is determined according to the identification result; in the aerial photography process of the unmanned aerial vehicle, the solar thermal panel of the unmanned aerial vehicle absorbs solar energy to be converted into electric energy and stores the electric energy into the storage battery of the unmanned aerial vehicle, and the storage battery of the unmanned aerial vehicle is used for supplying the unmanned aerial vehicle with normal operation; on the one hand, the land is measured by the unmanned aerial vehicle, the tool is more informationized, the land measuring efficiency is more efficient, and manual measurement is not relied on; the land condition in reality can be solved, too much land measuring time is usually saved, the measuring effect is satisfied, the battery quantity is supplied circularly, the frequent charging of taking off and landing at each time is reduced, and the land measuring efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of land measurement preprocessing, and particularly relates to a land measurement preprocessing method based on unmanned aerial vehicle images.
Background
The land measurement problem is a problem frequently encountered among fields, and in the face of actual pain points which are large in land area, irregular in land area and difficult to calculate due to steep land, the problem that the control of the land on aspects of fertilizer utilization and the like is influenced due to untimely and incomplete acquisition of the land area in cultivation is caused; although a land measuring scale is introduced, the use effect is far from the use effect
The ideal effect is also the defects of low efficiency, high labor cost and the like; therefore, in the face of real-world needs, a better land measuring method must be introduced.
On one hand, land measurement is simple and crude in tool, low in land measurement efficiency and more dependent on manual measurement; the land condition in reality cannot be solved, and no better informatization technology is used; not only too much land measuring time is wasted, but also the measuring effect cannot be satisfied; on the other hand, the land measurement is based on the short plate of the unmanned aerial vehicle, the battery capacity is insufficient, the charging is frequent in each taking-off and landing, and the land measurement efficiency is reduced.
Disclosure of Invention
The invention is based on the technical problem, and the land measurement preprocessing method based on the unmanned aerial vehicle image is used for the land measurement preprocessing method; not only face different topography, the different land areas of measurement that involve can also measure time long, reduces unmanned aerial vehicle's descending frequency.
The invention is realized by the following steps:
the invention provides a land measurement preprocessing method based on unmanned aerial vehicle images, which applies an unmanned aerial vehicle universal high-definition camera, an unmanned aerial vehicle picture data processing platform, an unmanned aerial vehicle solar heat plate, an unmanned aerial vehicle storage battery, a remote control terminal and a land measurement data display screen; characterized in that the method comprises the following steps:
the method comprises the following steps that 1, an unmanned aerial vehicle flies to a desired height through a remote control terminal, and a land picture shot by an all-round high-definition camera of the unmanned aerial vehicle is transmitted to an unmanned aerial vehicle picture data processing platform;
step 2: the method comprises the following steps that a soil map picture shot by an unmanned aerial vehicle all-round high-definition camera is uploaded to an unmanned aerial vehicle picture data processing platform for recognition, and the area calculation corresponding to the land is determined according to the recognition result, wherein the operation method for determining the land area is as follows:
step 2.1: the soil map shot by the all-round high-definition camera of the unmanned aerial vehicle is uploaded to an unmanned aerial vehicle picture data processing platform;
step 2.2: the unmanned aerial vehicle picture data processing platform identifies a land picture shot by an unmanned aerial vehicle all-round high-definition camera;
step 2.3: determining area calculation corresponding to the land according to the recognition result;
and 3, step 3: identifying and judging the area calculation corresponding to the land, if the area calculation is of a land regular area type, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 4; if the type is the irregular area type of the land, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 5; if the area type is a land 3D area type, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 6;
and 4, step 4: calculating the area corresponding to the land as a land regular area type; recognizing 2D plane land through an unmanned aerial vehicle image data processing platform, calculating the actual area of the land by using a conventional calculation formula in combination with a photographing scale for photographing images by an unmanned aerial vehicle, and displaying the actual area on a land measurement data display screen;
and 5: calculating the area corresponding to the land into an irregular land area type; recognizing the 2D plane land through an unmanned aerial vehicle picture data processing platform, calculating the actual area of the land by using a definite integral or double integral formula in combination with a photographing scale for photographing pictures by an unmanned aerial vehicle, and displaying the actual area on a land measurement data display screen;
step 6: calculating the area corresponding to the land into a 3D area type of the land; identifying the 3D plane land through an unmanned aerial vehicle picture data processing platform, and dividing the identified 3D plane land into 2D plane land by combining a photographing scale of pictures shot by an unmanned aerial vehicle; calculating the actual area of the land by using a conventional calculation formula, a definite integral and a double integral, and displaying the actual area on a land measurement data display screen;
and 7: unmanned aerial vehicle is at the in-process of taking photo by plane, and unmanned aerial vehicle solar thermal energy board is through absorbing solar energy transformation electric energy and saving to the unmanned aerial vehicle battery, and unmanned aerial vehicle battery is in order to supply with unmanned aerial vehicle normal operating.
According to an implementation mode of the aspect of the invention, in the step 1, the unmanned aerial vehicle flies to an expected height through the remote control terminal, and the specific operation method of the land picture shot by the all-round high-definition camera of the unmanned aerial vehicle comprises the following steps:
the unmanned aerial vehicles have different flying heights, and the proportion and the resolution of the shot pictures are different; if the flying height of the unmanned aerial vehicle is H, the photographing scale is M, and the main distance of the aerial photography instrument is F;
according to the calculation formula: m = H/F
The unit of the flight height of the unmanned aerial vehicle is meter, and the unit of the photographing scale is centimeter.
According to an implementation mode of the aspect of the invention, the method for identifying, analyzing and operating the land picture shot by the unmanned aerial vehicle all-round high-definition camera by the unmanned aerial vehicle picture data processing platform in the step 2.2 comprises the following steps:
finding a position point of a target object on a live-action map, manually flying an unmanned aerial vehicle to the upper space of the target object and clicking to start shooting, recombining land photos shot by a full-energy high-definition camera of the unmanned aerial vehicle in a picture data processing platform of the unmanned aerial vehicle, and combining new pictures to judge whether the full area of the land can be completely shot or not; if the photo shows that the whole area of the land is covered, the land is in a 2D plane; if the photo does not show the full area of the covered land, the land is shown to be in a 3D plane, the unmanned aerial vehicle starts to automatically photograph around the target object, the surrounding path and the angle of the holder are displayed on a land measurement data display screen, and a prompt pops up after photographing is finished; and converting the picture file into a video file, moving the video file into a three-dimensional modeling tool, and generating a three-dimensional model.
According to one mode of the invention, the operation method for determining the regular land area type in the step 4 comprises the following steps:
the land regular area condition comprises: square, rectangular, trapezoidal, and the like; marking phi on the condition of regular area of land β Wherein β =0,1,2, ·, n; n is a positive integer and represents the maximum value of the value of beta in the condition of regular area of the land; mapping according to the regular area condition of the land to draw a two-dimensional coordinate axis, wherein X is a transverse axisY is a longitudinal axis; converting the actual area of the land into the actual area of the land by combining a photographic scale according to a calculation formula corresponding to the area of the land; and displaying on a land measurement data display screen.
According to one way of realizing the aspect of the invention, the specific operation method of the irregular area type of the land in the step 5 comprises the following steps:
mapping to draw a two-dimensional coordinate axis according to the regular area condition of the land, wherein X is a transverse axis and Y is a longitudinal axis; according to a calculation formula corresponding to the land area;
assuming that the land irregularity is defined by 2 curves consisting of y = f (x), y = g (x) (g (x) < = f (x)),
x = a, x = b;
according to the calculation formula:
s is the sum of irregular areas of the land; the land irregular area type is mapped into a two-dimensional coordinate axis, and the 2D plane land area is calculated by using methods such as a conventional calculation method of integral determination, double integral and graph division; method for solving irregular area type of land is marked L j Wherein j =0,1,2, ·, n; and n is a positive integer and represents the maximum value of the values which j can take in the land irregular area type solving method.
According to one possible implementation manner of the aspect of the invention, the specific operation method of the land 3D area type in the step 6 comprises the following steps:
the land 3D area type is divided into 2D plane land, the actual area of the land is calculated by using a conventional calculation formula, a definite integral and a double integral, and the actual area is displayed on a land measurement data display screen.
According to an implementation manner of the aspect of the present invention, the specific operation method of the storage battery of the unmanned aerial vehicle for the unmanned aerial vehicle in step 8 includes:
in the aerial photography process of the unmanned aerial vehicle, the solar thermal panel of the unmanned aerial vehicle absorbs solar energy to be converted into electric energy and stores the electric energy into the storage battery of the unmanned aerial vehicle; the unmanned aerial vehicle battery consists of a plurality of unmanned aerial vehicle storage batteries, and each unmanned aerial vehicle storage battery corresponds to at least one solar heat plate; when a certain storage battery is not powered, the storage battery of the unmanned aerial vehicle starts to supply power next to the next storage battery of the unmanned aerial vehicle, and the storage batteries are used in a analogized mode; the number of the storage battery is p1, p2, p3, p4.. Pn, and when the electric quantity of the storage battery is lower than the preset electric quantity lower limit on the unmanned aerial vehicle picture data processing platform, no electric quantity is judged; if only remain last battery power and satisfy the during operation on unmanned aerial vehicle, battery power is measured at the soil and is shown the screen display and remind personnel with light scintillation at the data show.
A cloud system is characterized in that a land picture shot by an unmanned aerial vehicle all-round high-definition camera is identified, analyzed and processed according to an unmanned aerial vehicle picture data processing platform, and the area calculation corresponding to the land is rapidly determined; and (4) preprocessing the land measurement through cloud computing and analysis.
Based on any one of the aspects, the invention has the beneficial effects that:
1. the method includes the steps that a soil map picture shot by an all-round high-definition camera of the unmanned aerial vehicle is uploaded to an unmanned aerial vehicle picture data processing platform to be recognized, and area calculation corresponding to the soil is determined according to recognition results; on the one hand, the land is measured by the unmanned aerial vehicle, the tool is more informationized, the land measuring efficiency is more efficient, and manual measurement is not relied on; the land condition in reality can be solved, excessive land measuring time is usually saved, and the measuring effect can be satisfied.
2. In the aerial photography process of the unmanned aerial vehicle, the solar thermal panel of the unmanned aerial vehicle converts solar energy into electric energy and stores the electric energy into the storage battery of the unmanned aerial vehicle, the storage battery of the unmanned aerial vehicle is used for normal operation of the unmanned aerial vehicle, and on the other hand, battery supply circulation is adopted based on land measurement of the unmanned aerial vehicle, so that frequent charging during each taking-off and landing is reduced, and the land measurement efficiency is improved.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a flow chart of the method steps of the present invention.
Detailed Description
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
With reference to fig. 1, a land measurement preprocessing method based on an unmanned aerial vehicle image applies an unmanned aerial vehicle all-round high definition camera, an unmanned aerial vehicle picture data processing platform, an unmanned aerial vehicle solar thermal panel, an unmanned aerial vehicle storage battery, a remote control terminal and a land measurement data display screen; characterized in that the method comprises the following steps:
step 1, the unmanned aerial vehicle flies to an expected height through a remote control terminal, and a land picture shot by an all-round high-definition camera of the unmanned aerial vehicle is transmitted to an unmanned aerial vehicle picture data processing platform;
in a specific embodiment of the present invention, in step 1, the unmanned aerial vehicle flies to an expected height through the remote control terminal, and a specific operation method for a land picture shot by an all-round high-definition camera of the unmanned aerial vehicle includes:
the flying heights of the unmanned aerial vehicles are different, and the proportion and the resolution of the shot pictures are different; if the flying height of the unmanned aerial vehicle is H, the photographing scale is M, and the main distance of the aerial camera is F;
according to the calculation formula: m = H/F
The unit of the flight height of the unmanned aerial vehicle is meter, and the unit of the photographing scale is centimeter.
Step 2: the method comprises the following steps that a soil map picture shot by an unmanned aerial vehicle all-round high-definition camera is uploaded to an unmanned aerial vehicle picture data processing platform for recognition, and the area calculation corresponding to the land is determined according to the recognition result, wherein the operation method for determining the land area is as follows:
step 2.1: the soil map picture shot by the unmanned aerial vehicle all-round high-definition camera is uploaded to an unmanned aerial vehicle picture data processing platform;
step 2.2: the unmanned aerial vehicle picture data processing platform identifies a land picture shot by an unmanned aerial vehicle all-round high-definition camera;
in a specific embodiment of the present invention, the method for the unmanned aerial vehicle picture data processing platform to perform recognition analysis on the land picture shot by the unmanned aerial vehicle omnipotent high-definition camera in step 2.2 includes:
finding a position point of a target object on a live-action map, manually flying an unmanned aerial vehicle to the upper space of the target object and clicking to start shooting, recombining land photos shot by a full-energy high-definition camera of the unmanned aerial vehicle in a picture data processing platform of the unmanned aerial vehicle, and combining new pictures to judge whether the full area of the land can be completely shot or not; if the photo shows that the whole area of the land is covered, the land is in a 2D plane; if the photo does not show the whole area of the covered land, the land is in a 3D plane, the unmanned aerial vehicle starts to automatically photograph around the target object, the surrounding path and the holder angle are displayed on a land measurement data display screen, and a prompt pops up after the photographing is finished; and converting the picture file into a video file, moving the video file into a three-dimensional modeling tool, and generating a three-dimensional model.
Step 2.3: determining area calculation corresponding to the land according to the recognition result;
and step 3: identifying and judging the area calculation corresponding to the land, if the area calculation is of a land regular area type, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 4; if the type is the irregular area type of the land, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 5; if the type is a 3D area type of the land, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 6;
and 4, step 4: calculating the area corresponding to the land as a land regular area type; recognizing 2D plane land through an unmanned aerial vehicle image data processing platform, calculating the actual area of the land by using a conventional calculation formula in combination with a photographing scale for photographing images by an unmanned aerial vehicle, and displaying the actual area on a land measurement data display screen;
in an embodiment of the present invention, the operation method for determining the regular area type of land in step 4 includes:
the land regular area condition comprises: square, rectangular, trapezoidal, and the like; marking phi on the condition of regular area of land β Wherein β =0,1,2, ·, n; n is a positive integer and represents the maximum value of the value of beta in the condition of regular area of the land; mapping to draw a two-dimensional coordinate axis according to the regular area condition of the land, wherein X is a transverse axis, and Y is a longitudinal axis; converting the actual area of the land into the actual area of the land by combining a photographic scale according to a calculation formula corresponding to the area of the land; and displaying on a land measurement data display screen.
And 5: calculating the area corresponding to the land into an irregular land area type; recognizing the 2D plane land through an unmanned aerial vehicle picture data processing platform, calculating the actual area of the land by using a definite integral or double integral formula in combination with a photographing scale for photographing pictures by an unmanned aerial vehicle, and displaying the actual area on a land measurement data display screen;
in a specific embodiment of the present invention, the specific operation method of the irregular area type of land in the step 5 comprises:
mapping to draw a two-dimensional coordinate axis according to the regular area condition of the land, wherein X is a transverse axis and Y is a longitudinal axis; according to a calculation formula corresponding to the land area;
assuming that the land irregularity is defined by 2 curves consisting of y = f (x), y = g (x) (g (x) < = f (x)),
x = a, x = b;
according to the calculation formula:
s is the sum of irregular areas of the land; the land irregular area type is mapped into a two-dimensional coordinate axis, and the 2D plane land area is calculated by using methods such as a conventional calculation method of integral determination, double integral and graph division; method for solving irregular area types of land is marked L j Wherein j =0,1,2, ·, n; and n is a positive integer and represents the maximum value of the possible values of j in the land irregular area type solution.
Step 6: calculating the area corresponding to the land into a 3D area type of the land; identifying the 3D plane land through an unmanned aerial vehicle picture data processing platform, and dividing the identified 3D plane land into 2D plane land by combining a photographing scale of pictures shot by an unmanned aerial vehicle; calculating the actual area of the land by using a conventional calculation formula, a definite integral and a double integral, and displaying the actual area on a land measurement data display screen;
in an embodiment of the present invention, the specific operation method for the land 3D area type in step 6 includes:
the land 3D area type is divided into 2D plane land, the actual area of the land is calculated by using a conventional calculation formula, a definite integral and a double integral, and the actual area is displayed on a land measurement data display screen.
And 7: unmanned aerial vehicle is at the in-process of taking photo by plane, and unmanned aerial vehicle solar thermal energy board is through absorbing solar energy transformation electric energy and saving to the unmanned aerial vehicle battery, and unmanned aerial vehicle battery is in order to supply with unmanned aerial vehicle normal operating.
In a specific embodiment of the present invention, the specific operation method for the storage battery of the unmanned aerial vehicle for the unmanned aerial vehicle in step 7 includes:
in the aerial photography process of the unmanned aerial vehicle, the solar thermal panel of the unmanned aerial vehicle absorbs solar energy to be converted into electric energy and stores the electric energy into the storage battery of the unmanned aerial vehicle; the unmanned aerial vehicle battery consists of a plurality of unmanned aerial vehicle storage batteries, and each unmanned aerial vehicle storage battery corresponds to at least one solar heat plate; when a certain storage battery is not powered, the storage battery of the unmanned aerial vehicle starts to supply power next to the next storage battery of the unmanned aerial vehicle, and the storage batteries are used in a analogized mode; the number of the storage battery is p1, p2, p3, p4.. Pn, and when the electric quantity of the storage battery is lower than the preset electric quantity lower limit on the unmanned aerial vehicle picture data processing platform, no electric quantity is judged; if only remain last battery electric quantity and satisfy the during operation on unmanned aerial vehicle, battery electric quantity is measured at the soil and is shown the screen display demonstration and remind personnel with light scintillation.
A cloud system is characterized in that a land picture shot by an unmanned aerial vehicle all-round high-definition camera is identified, analyzed and processed according to an unmanned aerial vehicle picture data processing platform, and the area calculation corresponding to the land is rapidly determined; and (4) preprocessing the land measurement through cloud computing and analysis.
The method includes the steps that a soil map picture shot by an unmanned aerial vehicle all-round high-definition camera is uploaded to an unmanned aerial vehicle picture data processing platform for recognition, and area calculation corresponding to the land is determined according to recognition results;
in the aerial photography process of the unmanned aerial vehicle, the solar thermal panel of the unmanned aerial vehicle absorbs solar energy to be converted into electric energy and stores the electric energy into the storage battery of the unmanned aerial vehicle, and the storage battery of the unmanned aerial vehicle is used for supplying the unmanned aerial vehicle with normal operation; on the one hand, the land is measured by the unmanned aerial vehicle, the tool is more informationized, the land measuring efficiency is more efficient, and manual measurement is not relied on; the land condition in reality can be solved, excessive land measuring time is usually saved, and the measuring effect is satisfied; on the other hand, the battery quantity is supplied circularly, the frequent taking-off and landing charging is reduced, and the land measuring efficiency is improved.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (9)
1. A land measurement preprocessing method based on unmanned aerial vehicle images applies an unmanned aerial vehicle universal high-definition camera, an unmanned aerial vehicle picture data processing platform, an unmanned aerial vehicle solar thermal panel, an unmanned aerial vehicle storage battery, a remote control terminal and a land measurement data display screen; characterized in that the method comprises the following steps:
step 1, the unmanned aerial vehicle flies to an expected height through a remote control terminal, and a land picture shot by an all-round high-definition camera of the unmanned aerial vehicle is transmitted to an unmanned aerial vehicle picture data processing platform;
step 2: the method comprises the following steps that a soil map picture shot by an unmanned aerial vehicle all-round high-definition camera is uploaded to an unmanned aerial vehicle picture data processing platform for recognition, and the area calculation corresponding to the land is determined according to the recognition result, wherein the operation method for determining the land area is as follows:
step 2.1: the soil map shot by the all-round high-definition camera of the unmanned aerial vehicle is uploaded to an unmanned aerial vehicle picture data processing platform;
step 2.2: the unmanned aerial vehicle picture data processing platform identifies a land picture shot by an unmanned aerial vehicle all-round high-definition camera;
step 2.3: determining area calculation corresponding to the land according to the recognition result;
and step 3: identifying and judging the area calculation corresponding to the land, if the area calculation is of a land regular area type, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 4; if the type is the irregular area type of the land, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 5; if the area type is a land 3D area type, extracting a corresponding processing method from the unmanned aerial vehicle picture data processing platform, further adjusting according to the processing method, and executing the step 6;
and 4, step 4: calculating the area corresponding to the land as a land regular area type; recognizing 2D plane land through an unmanned aerial vehicle image data processing platform, calculating the actual area of the land by using a conventional calculation formula in combination with a photographing scale for photographing images by an unmanned aerial vehicle, and displaying the actual area on a land measurement data display screen;
and 5: calculating the area corresponding to the land into an irregular land area type; recognizing the 2D plane land through an unmanned aerial vehicle picture data processing platform, calculating the actual area of the land by using a definite integral or double integral formula in combination with a photographing scale for photographing pictures by an unmanned aerial vehicle, and displaying the actual area on a land measurement data display screen;
step 6: calculating the area corresponding to the land into a 3D area type of the land; identifying the 3D plane land through an unmanned aerial vehicle picture data processing platform, and dividing the identified 3D plane land into 2D plane land by combining a photographing scale of pictures shot by an unmanned aerial vehicle; calculating the actual area of the land by using a conventional calculation formula, a definite integral and a double integral, and displaying the actual area on a land measurement data display screen;
and 7: unmanned aerial vehicle is at the in-process of taking photo by plane, and unmanned aerial vehicle solar thermal energy board is through absorbing solar energy transformation electric energy and saving to the unmanned aerial vehicle battery, and unmanned aerial vehicle battery is in order to supply with unmanned aerial vehicle normal operating.
2. The method of claim 1, wherein the land measurement preprocessing method based on the unmanned aerial vehicle image comprises the following steps: in the step 1, the unmanned aerial vehicle flies to an expected height through the remote control terminal, and the specific operation method of the land picture shot by the unmanned aerial vehicle all-round high-definition camera comprises the following steps:
the flying heights of the unmanned aerial vehicles are different, and the proportion and the resolution of the shot pictures are different; if the flying height of the unmanned aerial vehicle is H, the photographing scale is M, and the main distance of the aerial camera is F;
according to the calculation formula: m = H/F
The unit of the flight height of the unmanned aerial vehicle is meter, and the unit of the photographing scale is centimeter.
3. The method for pre-processing land measurement based on unmanned aerial vehicle image as claimed in claim 1, wherein: the method for identifying and analyzing the land picture shot by the unmanned aerial vehicle all-round high-definition camera by the unmanned aerial vehicle picture data processing platform in the step 2.2 comprises the following steps:
finding a position point of a target object on a live-action map, manually flying an unmanned aerial vehicle to the upper space of the target object and clicking to start shooting, recombining land photos shot by a full-energy high-definition camera of the unmanned aerial vehicle in a picture data processing platform of the unmanned aerial vehicle, and combining new pictures to judge whether the full area of the land can be completely shot or not; if the photo shows that the whole area of the land is covered, the land is in a 2D plane; if the photo does not show the full area of the covered land, the land is shown to be in a 3D plane, the unmanned aerial vehicle starts to automatically photograph around the target object, the surrounding path and the angle of the holder are displayed on a land measurement data display screen, and a prompt pops up after photographing is finished; and converting the picture file into a video file, moving the video file into a three-dimensional modeling tool, and generating a three-dimensional model.
4. The method of claim 1, wherein the land measurement preprocessing method based on the unmanned aerial vehicle image comprises the following steps: the operation method for determining the land regular area type in the step 4 comprises the following steps:
the land regular area condition comprises: square, rectangular, trapezoidal, and the like; to land regular area condition markRemember phi β Wherein β =0,1,2, ·, n; n is a positive integer and represents the maximum value of the value of beta in the condition of regular area of the land; mapping to draw a two-dimensional coordinate axis according to the regular area condition of the land, wherein X is a transverse axis and Y is a longitudinal axis; converting into the actual land area by combining a photographic scale according to a calculation formula corresponding to the land area; and displaying on a land measurement data display screen.
5. The method of claim 1, wherein the land measurement preprocessing method based on the unmanned aerial vehicle image comprises the following steps: the specific operation method of the irregular area type of the land in the step 5 comprises the following steps:
mapping to draw a two-dimensional coordinate axis according to the regular area condition of the land, wherein X is a transverse axis, and Y is a longitudinal axis; according to a calculation formula corresponding to the land area;
assuming that the land irregularity is defined by 2 curves consisting of y = f (x), y = g (x) (g (x) < = f (x)),
x = a, x = b;
according to the calculation formula:
s is the sum of irregular areas of the land; the land irregular area type is mapped into a two-dimensional coordinate axis, and the 2D plane land area is calculated by using a conventional calculation mode of integrating, doubly integrating and dividing graphics and the like; method for solving irregular area type of land is marked L j Wherein j =0,1,2, · n; and n is a positive integer and represents the maximum value of the possible values of j in the land irregular area type solution.
6. The method for pre-processing land measurement based on unmanned aerial vehicle image as claimed in claim 1, wherein: the specific operation method of the land 3D area type in the step 6 comprises the following steps:
the land 3D area type is divided into 2D plane land, the actual area of the land is calculated by using a conventional calculation formula, a definite integral and a double integral, and the actual area is displayed on a land measurement data display screen.
7. The method of claim 1, wherein the land measurement preprocessing method based on the unmanned aerial vehicle image comprises the following steps: the specific operation method of the unmanned aerial vehicle storage battery for the unmanned aerial vehicle in the step 8 comprises the following steps:
in the aerial photography process of the unmanned aerial vehicle, the solar thermal panel of the unmanned aerial vehicle absorbs solar energy to be converted into electric energy and stores the electric energy into the storage battery of the unmanned aerial vehicle; the unmanned aerial vehicle battery consists of a plurality of unmanned aerial vehicle storage batteries, and each unmanned aerial vehicle storage battery corresponds to at least one solar heat plate; when a certain storage battery is not powered, the storage battery of the unmanned aerial vehicle starts to supply power next to the next storage battery of the unmanned aerial vehicle, and the storage batteries are used in a analogized mode; the number of the storage battery is p1, p2, p3, p4.. Pn, and when the electric quantity of the storage battery is lower than the preset electric quantity lower limit on the unmanned aerial vehicle picture data processing platform, no electric quantity is judged; if only remain last battery electric quantity and satisfy the during operation on unmanned aerial vehicle, battery electric quantity is measured at the soil and is shown the screen display demonstration and remind personnel with light scintillation.
8. A cloud system, characterized in that: according to the unmanned aerial vehicle picture data processing platform, carrying out recognition analysis processing on a land picture shot by an all-round high-definition camera of the unmanned aerial vehicle, and quickly determining area calculation corresponding to the land; pre-processing the land measurement through cloud computing and analysis to execute a method for pre-processing the land measurement based on the unmanned aerial vehicle image as claimed in any one of the above claims 1-7.
9. A cloud system, characterized in that: the method for preprocessing the land measurement by means of the cloud computing and analyzing service program under the network comprises the method for preprocessing the land measurement based on the unmanned aerial vehicle image as claimed in any one of the claims 1 to 7.
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