A kind of agricultural insurance damage identification method based on crops remote sensing technology
Technical field
Analysis of image data, place are carried out the invention belongs to agricultural insurance technical field more particularly to using space remote sensing technology
A kind of agricultural insurance damage identification method based on crops remote sensing technology of reason.
Background technology
Setting loss link is surveyed in agricultural insurance, original method used to crops progress setting loss is mainly used with lower section
Method, first according to disaster-stricken warning message after, survey that personnel carry relevant instrument and evidence taking equipment rushes to the scene, in devastated
Disaster area is measured.And it takes pictures according to flow is surveyed.The disaster-stricken journey of target is obtained with reference to local agricultural experts
Degree, loss is determined according to Disaster degree and area.This mode survey there are it is apparent the shortcomings that, first, large area and big
, it is necessary to which substantial amounts of personnel go to complete to survey work when the disaster of scope occurs.Second, have no idea during survey to determine by
Whether disaster area domain is target of really accepting insurance, and there is the possibility more reported, and information accuracy is not guaranteed.
The content of the invention
The purpose of the present invention is exactly to survey existing for setting loss in the process substantial amounts of personnel to be needed to go for solution agricultural insurance
Into work is surveyed, the problem of information accuracy is low, and provide using new remote sensing technology combination GPS technology, geography information skill
Art carries out devastated quickly to analyze and extract interpreting, and accurately extracts disaster area and disaster-stricken distribution, and is adopted with scene
Based on the achievement of sample and remote Sensing Interpretation, a kind of agriculture based on crops remote sensing technology to disaster-stricken crops setting loss is finally completed
Industry insures damage identification method.
The technical solution adopted by the present invention is:
A kind of agricultural insurance damage identification method based on crops remote sensing technology, comprises the following steps:
Step 1), field operation sampling:After receiving the disaster-stricken information of agricultural, being evenly distributed with randomness is selected according to disaster-stricken information
Sample areas sends the personnel that survey to carry and surveys equipment to sample site progress dam site investigation, gathers disaster-stricken scene information;Pass through
Observe sample site situation, collect disaster-stricken scene information formed sample area report, by disaster-stricken scene information and sample area report and
Shi Huichuan;
Step 2), remote sensing image interpretation:Remote sensing technology personnel choose calamity by analyzing the condition of a disaster essential information, plant growth rule
More phase devastateds image prepares image as agricultural remote sensing setting loss after preceding calamity, extracts devastated crop growth cycle weather
Data by the disaster-stricken scene information of field data acquisition, are chosen most useful for the image for differentiating Different Crop, are folded with remote sensing image
Bonus point is analysed, and comparative analysis obtains target area image spectral information, is extracted target area crop specie, is obtained target area agriculture
Crop pattern map;Based on crops distribution map, the sample area provided according to dam site investigation personnel is reported, before selection calamity after calamity
Image is compared, using a sample information part as feature samples, another part as the verification sample for being used for Late Stage Verification,
Feature samples with image after calamity before calamity are combined, analyze before calamity spectrum after calamity, are suitble to automatically by computer and man-machine interactive
The disaster-stricken area of this crops and distribution and disaster-stricken grade are extracted in the means of differentiation, interpretation, and are passed through and verified that sample verifies
Remote Sensing Interpretation is as a result, determine disaster-stricken overall condition;
Step 3), with reference to field reconnaissance situation, meteorological data, remote sensing image interpretation as a result, according to agricultural experts to scene photograph
Observation and interpretation, determine the corresponding Disaster degree of the disaster-stricken grade of difference that remote sensing image interpretation obtains, complete target area
Crops disaster distribution, area and Disaster degree determine.
Further, step 1)The disaster-stricken scene information of middle acquisition include scene photograph, coordinate information, agrotype, by
Calamity type, the information of disaster-stricken situation.
The beneficial effects of the invention are as follows:
By the agricultural insurance damage identification method provided by the invention based on crops remote sensing technology, pass through the image to disaster area
It is interpreted, the disaster area in disaster area and disaster-stricken geographical coordinate can be obtained, it, can after the target data accepted insurance in superposition
To obtain the actual loss situation of target.By image interpretation we can also obtain the degree in disaster area, it is only necessary to it is right
Different degrees of area is sampled, it is only necessary to which a small amount of personnel to spot sampling can be obtained by the whole of identical disaster-stricken grade
Situation has saved substantial amounts of man power and material.
Specific embodiment
The core of the present invention is to provide a kind of agricultural insurance damage identification method based on crops remote sensing technology.
A kind of agricultural insurance damage identification method based on crops remote sensing technology, comprises the following steps:
Step 1), field operation sampling:After receiving the disaster-stricken information of agricultural, being evenly distributed with randomness is selected according to disaster-stricken information
Sample areas sends the personnel that survey to carry and surveys equipment to sample site progress dam site investigation, gathers disaster-stricken scene information;Pass through
Observe sample site situation, collect disaster-stricken scene information formed sample area report, by disaster-stricken scene information and sample area report and
Shi Huichuan;The disaster-stricken scene information includes scene photograph, coordinate information, agrotype, disaster-stricken type, the information of disaster-stricken situation
Step 2), remote sensing image interpretation:Remote sensing technology personnel choose calamity by analyzing the condition of a disaster essential information, plant growth rule
More phase devastateds image prepares image as agricultural remote sensing setting loss after preceding calamity, extracts devastated crop growth cycle weather
Data by the disaster-stricken scene information of field data acquisition, are chosen most useful for the image for differentiating Different Crop, are folded with remote sensing image
Bonus point is analysed, and comparative analysis obtains target area image spectral information, is extracted target area crop specie, is obtained target area agriculture
Crop pattern map;Based on crops distribution map, the sample area provided according to dam site investigation personnel is reported, before selection calamity after calamity
Image is compared, using a sample information part as feature samples, another part as the verification sample for being used for Late Stage Verification,
Feature samples with image after calamity before calamity are combined, analyze before calamity spectrum after calamity, are suitble to automatically by computer and man-machine interactive
The disaster-stricken area of this crops and distribution and disaster-stricken grade are extracted in the means of differentiation, interpretation, and are passed through and verified that sample verifies
Remote Sensing Interpretation is as a result, determine disaster-stricken overall condition;
Step 3), with reference to field reconnaissance situation, meteorological data, remote sensing image interpretation as a result, according to agricultural experts to scene photograph
Observation and interpretation, determine the corresponding Disaster degree of the disaster-stricken grade of difference that remote sensing image interpretation obtains, complete target area
Crops disaster distribution, area and Disaster degree determine.
In the above method, the mobile collection equipment based on remote sensing technology, the main scene for completing sample point positions, is disaster-stricken existing
Field acquisition, data storage, check analysis, data upload.On the other hand be for satellite-remote-sensing image service, it is main complete to by
The making and issue of the analysis result of the multispectral data in calamity area;The issue and analysis of the spatial datas such as target information.Control
Platform mainly completes the reception of mobile devices collect data, sorts and stores data into spatial database;Disaster area satellite
The display of image and the superposition of spatial data and analysis, the data report of disaster-stricken situation.