CN109270952A - A kind of agricultural land information acquisition system and method - Google Patents
A kind of agricultural land information acquisition system and method Download PDFInfo
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- CN109270952A CN109270952A CN201811091179.0A CN201811091179A CN109270952A CN 109270952 A CN109270952 A CN 109270952A CN 201811091179 A CN201811091179 A CN 201811091179A CN 109270952 A CN109270952 A CN 109270952A
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- course line
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
- G06V20/188—Vegetation
Abstract
The invention discloses a kind of agricultural land informations to obtain system, including unmanned plane, wireless transport module, earth station and core computer；The unmanned plane, satellite receiver send course line by wireless transport module, are navigated by water according to course line and start Airborne Camera and shot, and the farmland image that Airborne Camera is shot is back to earth station by wireless transport module；The wireless transport module completes the communication of unmanned plane and earth station；The earth station sends course line to unmanned plane by radio transmitting device, receives farmland image and store and storage information is converted to digital signal being sent to core computer according to the Identity Plans such as farmland area and shape course line；The core computer receives and carries out analysis identification by computer vision module after digital signal, and extraction agricultural land information is simultaneously saved.The present invention provides a kind of more efficient, easier, the higher design of system for farmland of accuracy rate of operation.
Description
Technical field
The present invention relates to agricultural production detection fields more particularly to a kind of agricultural land information to obtain system and method.
Background technique
Agricultural land information is grasped in agricultural production has great significance to the follow-up management of agricultural production, and current agricultural is raw
In production, agricultural land information situation, this information collection mode are often collected by the way of manual measurement in order to grasp agricultural land information
Heavy workload, low efficiency, the information collecting method of this kind of manual measurement can not gradually adapt to current agricultural production management.
Based on this, had already appeared field information acquisition method that is a kind of artificial and combining automatically at present, by earlier artificial
Acquisition obtains necessary data, is accurately adjusted by testing repeatedly, plans advertised route, shoots agricultural land information by unmanned plane
Situation determines agricultural land information situation in the feature different according to the different types of crop color of different times.This information collection
Although the traditional artificial collecting efficiency of method comparison wants high, it is tested repeatedly determines that the process in course line is still complicated cumbersome,
Manpower deduction cannot be reduced well, improve information collection efficiency.Moreover, distinguishing the different types of work of different times by color
Object, accuracy rate is not also high, cannot fully meet the requirement of current field information acquisition.In this regard, people need one kind more efficient,
Operate easier, the higher design of system for farmland of accuracy rate and method.
Summary of the invention
The present invention provides a kind of agricultural land informations to obtain system and method, it is intended to solve current field information acquisition method not
Manpower deduction can be reduced well, improved information collection efficiency, and the problem that information collection accuracy rate is not high, provided a kind of effect
Rate is higher, operates easier, the higher design of system for farmland of accuracy rate and method.
To achieve the above object, the present invention provides a kind of agricultural land informations to obtain system, including unmanned plane, is wirelessly transferred mould
Block, earth station and core computer；
The unmanned plane, satellite receiver send course line by wireless transport module, are navigated by water and started according to course line
Airborne Camera is shot, and the farmland image that Airborne Camera is shot is back to earth station by wireless transport module；
The wireless transport module receives the farmland image that unmanned plane is sent and is forwarded to earth station, and satellite receiver is sent
Course line be forwarded to unmanned plane；
The earth station sends course line by radio transmitting device according to the Identity Plans such as farmland area and shape course line
To unmanned plane, receives farmland image and store and storage information is converted to digital signal being sent to core computer；
The core computer receives and carries out analysis identification by computer vision module after digital signal, extraction farmland
Information is simultaneously saved.
Compared with prior art, a kind of agricultural land information disclosed by the invention obtains system, carries out farmland figure by unmanned plane
As acquisition, unmanned plane is communicated with earth station by wireless transport module, and the course line of unmanned plane is also by wireless transport module by ground
Face station is sent, so earth station can adjust course line according to the farmland image that unmanned plane returns in real time, without at the very start
Repeated measurement calculates optimal course line.Core computer is sent to after the image of ground station reception farmland, core computer is logical
It crosses computer vision module and carries out analysis identification, so-called computer vision module carries out analysis and is identified by HSI model
Color space analysis image is respectively handled tone H, saturation degree S and brightness I component, and it is right under HSI color space to obtain
The image of I component gray processing is used for using HIS model, so its information analysis is not directly affected by color of image, into
The accuracy rate of the image recognition of the raising of one step.So the present invention solves current field information acquisition method cannot be good
Reduce manpower deduction, improve information collection efficiency, and the problem that information collection accuracy rate is not high, provide it is a kind of more efficient,
Operate easier, the higher design of system for farmland of accuracy rate.
To achieve the above object, the present invention provides a kind of agricultural land information acquisition methods, comprising the following steps:
S1, earth station send course line extremely according to the Identity Plans such as farmland area and shape course line, by radio transmitting device
Unmanned plane；
S2, unmanned plane navigate by water according to course line and start Airborne Camera and shot, the farmland image that Airborne Camera is shot
Earth station is back to by wireless transport module；
S3, ground station reception farmland image store and storage information is converted to digital signal being sent to core calculations
Machine；
S4, core computer receive and carry out analysis identification by vision module after digital signal, and extraction agricultural land information is gone forward side by side
Row saves.
Compared with prior art, a kind of agricultural land information acquisition methods disclosed by the invention carry out farmland figure by unmanned plane
As acquisition, unmanned plane is communicated with earth station by wireless transport module, and the course line of unmanned plane is also by wireless transport module by ground
Face station is sent, so earth station can adjust course line according to the farmland image that unmanned plane returns in real time, without at the very start
Repeated measurement calculates optimal course line.Core computer is sent to after the image of ground station reception farmland, core computer is logical
It crosses computer vision module and carries out analysis identification, so-called computer vision module carries out analysis and is identified by HSI model
Color space analysis image is respectively handled tone H, saturation degree S and brightness I component, and it is right under HSI color space to obtain
The image of I component gray processing is used for using HIS model, so its information analysis is not directly affected by color of image, into
The accuracy rate of the image recognition of the raising of one step.So the present invention solves current field information acquisition method cannot be good
Reduce manpower deduction, improve information collection efficiency, and the problem that information collection accuracy rate is not high, provide it is a kind of more efficient,
Operate easier, the higher field information acquisition method of accuracy rate.
Detailed description of the invention
Fig. 1 is the system block diagram that a kind of agricultural land information of the present invention obtains system；
Fig. 2 is a kind of flow chart 1 of agricultural land information acquisition methods of the present invention；
Fig. 3 is a kind of flow chart 2 of agricultural land information acquisition methods of the present invention.
Specific embodiment
As shown in Figure 1, a kind of agricultural land information of the present invention obtains system, including unmanned plane, wireless transport module, ground
It stands and core computer；The unmanned plane, satellite receiver send course line by wireless transport module, are navigated by water according to course line
And start Airborne Camera and shot, the farmland image that Airborne Camera is shot is back to earth station by wireless transport module；
The wireless transport module receives the farmland image that unmanned plane is sent and is forwarded to earth station, and the course line that satellite receiver is sent turns
It is sent to unmanned plane；The earth station is sent by radio transmitting device and is navigated according to the Identity Plans such as farmland area and shape course line
Line receives farmland image and store and storage information is converted to digital signal being sent to core computer to unmanned plane；Institute
It states core computer, receives and analysis identification is carried out by computer vision module after digital signal, extraction agricultural land information simultaneously carries out
It saves.
Compared with prior art, a kind of agricultural land information disclosed by the invention obtains system, carries out farmland figure by unmanned plane
As acquisition, unmanned plane is communicated with earth station by wireless transport module, and the course line of unmanned plane is also by wireless transport module by ground
Face station is sent, so earth station can adjust course line according to the farmland image that unmanned plane returns in real time, without at the very start
Repeated measurement calculates optimal course line.Core computer is sent to after the image of ground station reception farmland, core computer is logical
It crosses computer vision module and carries out analysis identification, so-called computer vision module carries out analysis and is identified by HSI model
Color space analysis image is respectively handled tone H, saturation degree S and brightness I component, and it is right under HSI color space to obtain
The image of I component gray processing is used for using HIS model, so its information analysis is not directly affected by color of image, into
The accuracy rate of the image recognition of the raising of one step.So the present invention solves current field information acquisition method cannot be good
Reduce manpower deduction, improve information collection efficiency, and the problem that information collection accuracy rate is not high, provide it is a kind of more efficient,
Operate easier, the higher design of system for farmland of accuracy rate.
As shown in Figure 1, the unmanned plane includes unmanned aerial vehicle platform and Airborne Camera；The unmanned aerial vehicle platform receives ground
It stands and course line is sent by wireless transport module, navigated by water according to course line；The Airborne Camera carries out shooting to farmland and will clap
The farmland image taken the photograph is back to earth station by wireless transport module.Simultaneously realize that nobody flies in unmanned aerial vehicle platform load-receipt course line
Machine, Airborne Camera shooting farmland image are returned, and unmanned plane is by being respectively set the information of unmanned aerial vehicle platform and Airborne Camera
Transmission channel reduces communication pressure, and unmanned plane is allowed to receive course line under sail, mentions for change unmanned plane course line in real time
Technical support is supplied.
As shown in Figure 1, the earth station includes units of ground station and image acquisition units；The units of ground station, according to
The Identity Plans such as farmland area and shape course line sends course line to unmanned plane by radio transmitting device；Described image acquisition is single
Member receives farmland image and store and storage information is converted to digital signal being sent to core computer.Earth station's cooperation
Unmanned plane is equally provided with units of ground station and image acquisition units, and units of ground station provides route information, image for unmanned plane
Acquisition unit receives the farmland image of Airborne Camera transmission, and ground surface platform is by being respectively set ground platform and Image Acquisition list
The information channel of member, reduces communication pressure, unmanned plane is allowed to receive course line under sail, for change unmanned plane boat in real time
Line provides technical support.
As shown in Figure 1, the core computer includes computer vision module, the computer vision module is to receiving
Digital signal carry out analysis identification, extract agricultural land information and simultaneously saved.Shown computer vision module carries out analysis identification
It is the color space analysis image by HSI model, tone H, saturation degree S and brightness I component is handled respectively, obtained
To the image of I component gray processing under HSI color space, it is used for using HIS model, so its information analysis is not by image face
Color directly affects, the accuracy rate of the image recognition further improved.
As shown in Figure 1, the core computer further includes image smoothing module, described image Leveling Block is to receiving
Digital signal image information carries out smoothing denoising processing.Smoothing denoising processing is carried out to digital signal pattern information and ensures that image is known
Other effect.
As shown in Fig. 2, the present invention provides a kind of agricultural land information acquisition methods, comprising the following steps: S1, earth station according to
The Identity Plans such as farmland area and shape course line sends course line to unmanned plane by radio transmitting device；S2, unmanned plane is according to boat
Line navigates by water and starts Airborne Camera and shot, and is back to ground by wireless transport module for the farmland image that Airborne Camera is shot
Face station；S3, ground station reception farmland image store and storage information is converted to digital signal being sent to core computer；
S4, core computer receive and carry out analysis identification by vision module after digital signal, and extraction agricultural land information is simultaneously saved.
Compared with prior art, a kind of agricultural land information acquisition methods disclosed by the invention carry out farmland figure by unmanned plane
As acquisition, unmanned plane is communicated with earth station by wireless transport module, and the course line of unmanned plane is also by wireless transport module by ground
Face station is sent, so earth station can adjust course line according to the farmland image that unmanned plane returns in real time, without at the very start
Repeated measurement calculates optimal course line.Core computer is sent to after the image of ground station reception farmland, core computer is logical
It crosses computer vision module and carries out analysis identification, so-called computer vision module carries out analysis and is identified by HSI model
Color space analysis image is respectively handled tone H, saturation degree S and brightness I component, and it is right under HSI color space to obtain
The image of I component gray processing is used for using HIS model, so its information analysis is not directly affected by color of image, into
The accuracy rate of the image recognition of the raising of one step.So the present invention solves current field information acquisition method cannot be good
Reduce manpower deduction, improve information collection efficiency, and the problem that information collection accuracy rate is not high, provide it is a kind of more efficient,
Operate easier, the higher field information acquisition method of accuracy rate.
As shown in Fig. 2, the step S4 is the following steps are included: S41, after core computer receives farmland image digital signal
The color space analysis image for selecting HSI model, respectively handles tone H, saturation degree S and brightness I component, obtains
To the image of I component gray processing under HSI color space；I component effect picture and grayscale image are done maximum between-cluster variance by S42 respectively
Binaryzation is carried out after analysis again, by analysis histogram obtain max-thresholds T1, T2 and T3, by Threshold segmentation obtain weeds,
The crops of different times and the image-region of working line；S43 counts the pixel number within the scope of each image-region, passes through mark
Determine the relationship between pixel equivalent and shooting distance, the real area of each image-region can be calculated.Pass through HSI model
Color space analysis image, tone H, saturation degree S and brightness I component are handled respectively, obtained under HSI color space
To the image of I component gray processing, it is used for using HIS model, so its information analysis is not directly affected by color of image,
The accuracy rate of the image recognition further improved.And by the way that I component effect picture and grayscale image are done side between maximum kind respectively
Difference analysis is further increased the accuracy rate of image segmentation by two kinds of image analyses of difference, solves current field information acquisition side
Method cannot reduce manpower deduction well, improve information collection efficiency, and the problem that information collection accuracy rate is not high, provide one
Kind is more efficient, operates easier, the higher field information acquisition method of accuracy rate.
As shown in Fig. 2, the step S4 further includes step S40, the step S40, core computer receives farmland image
Digital signal simultaneously carries out smoothing denoising processing.The effect that smoothing denoising processing ensures image recognition is carried out to digital signal pattern information
Fruit.
As shown in figure 3, a kind of agricultural land information acquisition methods described in the invention, further include step S5, and the step S5, figure
Region area as obtaining crop, weeds and working line after analysis calculates relative error compared with the actual value of manual measurement,
The accuracy rate of information is obtained to evaluation system.The error for comparing manual measurement and unmanned plane measurement, judges agriculture of the present invention
Field Information Acquisition System obtains the accuracy rate of information, to screen qualified information data, error detection is avoided to make to farmland
Information judgement inaccuracy, influences subsequent production management.
As shown in figure 3, a kind of agricultural land information acquisition methods described in the invention, further include step S6, the step S6 will
The accuracy rate of system acquisition information is compared with threshold value, is surveyed again behind return step S1 adjustment course line if lower than threshold value
Amount.The agricultural land information obtains the accuracy rate of system acquisition information according to the present invention, judges the current test status of the system, such as
Test status is bad, then needs to adjust unmanned plane course line, HIS model parameter, image segmentation threshold etc. parameter, to improve farmland
The accuracy rate of Information Acquisition System acquisition information.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of agricultural land information obtains system, which is characterized in that including unmanned plane, wireless transport module, earth station and core meter
Calculation machine；
The unmanned plane, satellite receiver send course line by wireless transport module, are navigated by water and started airborne according to course line
Camera is shot, and the farmland image that Airborne Camera is shot is back to earth station by wireless transport module；
The wireless transport module receives the farmland image that unmanned plane is sent and is forwarded to earth station, the boat that satellite receiver is sent
Line is forwarded to unmanned plane；
The earth station sends course line to nothing by radio transmitting device according to the Identity Plans such as farmland area and shape course line
It is man-machine, it receives farmland image and store and storage information is converted to digital signal being sent to core computer；
The core computer receives and carries out analysis identification by computer vision module after digital signal, extraction agricultural land information
And it is saved.
2. a kind of agricultural land information according to claim 1 obtains system, which is characterized in that the unmanned plane includes unmanned plane
Platform and Airborne Camera；
The unmanned aerial vehicle platform, satellite receiver send course line by wireless transport module, are navigated by water according to course line；The machine
Camera is carried, farmland shoot and the farmland image of shooting is back to earth station by wireless transport module.
3. a kind of agricultural land information according to claim 1 obtains system, which is characterized in that the earth station includes earth station
Unit and image acquisition units；
The units of ground station sends course line by radio transmitting device according to the Identity Plans such as farmland area and shape course line
To unmanned plane；
Described image acquisition unit receives farmland image and store and storage information is converted to digital signal being sent to core
Computer.
4. a kind of agricultural land information according to claim 1 obtains system, which is characterized in that the core computer includes meter
Calculation machine vision module, the computer vision module carry out analysis identification to the digital signal received, extract agricultural land information simultaneously
It is saved.
5. a kind of agricultural land information according to claim 4 obtains system, which is characterized in that the core computer further includes
Image smoothing module, described image Leveling Block carry out smoothing denoising processing to the digital signal image information received.
6. a kind of agricultural land information acquisition methods, which comprises the following steps:
S1, earth station according to the Identity Plans such as farmland area and shape course line, by radio transmitting device send course line to nobody
Machine；
S2, unmanned plane navigate by water according to course line and start Airborne Camera and shot, and the farmland image that Airborne Camera is shot is passed through
Wireless transport module is back to earth station；
S3, ground station reception farmland image store and storage information is converted to digital signal being sent to core computer；
S4, core computer receive and carry out analysis identification by vision module after digital signal, and extraction agricultural land information is simultaneously protected
It deposits.
7. a kind of agricultural land information acquisition methods according to claim 1, which is characterized in that the step S4 includes following step
It is rapid:
S41, core computer receives the color space analysis image of selection HSI model after the image digital signal of farmland, right respectively
Tone H, saturation degree S and brightness I component are handled, and are obtained under HSI color space to the image of I component gray processing；
S42 carries out binaryzation after I component effect picture and grayscale image are done maximum between-cluster variance analysis respectively again, straight by analyzing
Side's figure obtains max-thresholds T1, T2 and T3, obtains the image of weeds, the crops of different times and working line by Threshold segmentation
Region；
S43 counts the pixel number within the scope of each image-region, by calibration pixel equivalent and shooting distance between relationship,
The real area of each image-region can be calculated.
8. a kind of agricultural land information acquisition methods according to claim 7, which is characterized in that the step S4 further includes step
S40, the step S40, core computer receive farmland image digital signal and carry out smoothing denoising processing.
9. according to a kind of described in any item agricultural land information acquisition methods of claim 6-8, which is characterized in that further include step
S5, the step S5 obtain the region area of crop, weeds and working line, the actual value ratio with manual measurement after image analysis
Compared with calculating relative error obtains the accuracy rate of information to evaluation system.
10. a kind of agricultural land information acquisition methods according to claim 9, which is characterized in that further include step S6, the step
The accuracy rate of system acquisition information is compared by rapid S6 with threshold value, if lower than threshold value behind return step S1 adjustment course line
It re-measures.
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| CN110119869A (en) * | 2019-03-18 | 2019-08-13 | 中国农业大学 | A kind of movable type farmland quality and/or production capacity research and appraisal system and method for ploughing |
| CN111506105A (en) * | 2020-04-08 | 2020-08-07 | 安徽舒州农业科技有限责任公司 | Agricultural unmanned aerial vehicle control device and sowing control method |
| CN111556157A (en) * | 2020-05-06 | 2020-08-18 | 中南民族大学 | Crop distribution monitoring method, equipment, storage medium and device |
| CN112233169A (en) * | 2020-10-27 | 2021-01-15 | 江苏科博空间信息科技有限公司 | Based on unmanned aerial vehicle area of offending land calculation system |
| CN114910051A (en) * | 2021-06-17 | 2022-08-16 | 云展传播(武汉)有限公司 | Aerial photography measurement system and measurement method |
| CN114935929A (en) * | 2022-04-08 | 2022-08-23 | 广州工程技术职业学院 | Agricultural machine informatization monitoring and management system |
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| CN111506105A (en) * | 2020-04-08 | 2020-08-07 | 安徽舒州农业科技有限责任公司 | Agricultural unmanned aerial vehicle control device and sowing control method |
| CN111556157A (en) * | 2020-05-06 | 2020-08-18 | 中南民族大学 | Crop distribution monitoring method, equipment, storage medium and device |
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| CN114910051A (en) * | 2021-06-17 | 2022-08-16 | 云展传播(武汉)有限公司 | Aerial photography measurement system and measurement method |
| CN114935929A (en) * | 2022-04-08 | 2022-08-23 | 广州工程技术职业学院 | Agricultural machine informatization monitoring and management system |
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Application publication date: 20190125 |