CN1793857A - Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system - Google Patents
Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system Download PDFInfo
- Publication number
- CN1793857A CN1793857A CN 200510062298 CN200510062298A CN1793857A CN 1793857 A CN1793857 A CN 1793857A CN 200510062298 CN200510062298 CN 200510062298 CN 200510062298 A CN200510062298 A CN 200510062298A CN 1793857 A CN1793857 A CN 1793857A
- Authority
- CN
- China
- Prior art keywords
- image
- rape
- multispectral
- nitrogen nutrition
- computing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
A multispectrum image diagnosis system of rape nitrogen nutrition is prepared as connecting one end of 3CCD multispectrum shooting unit to rape canopy multispectrum image information and calibration board multispectrum image information and setting another end with two interfaces as one being connected to computer serial interface through RS-232 interface and another one being connected to image receiving board through digital image collecting line, connecting output end of image receiving board to computer. The method for diagnosing rape nitrogen nutrition with multispectrum image is also disclosed.
Description
Technical field
The present invention relates to a kind of multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnostic system.
Background technology
Nitrogen Nutrition Diagnosis is the core of diagnosis of plant nutrition.Nitrogenous fertilizer is a class chemical fertilizer of whole world amount of application maximum, also is simultaneously to be difficult to most accurately quantitative a kind of fertilizer in the fertilization recommendation.Tracing it to its cause, mainly is owing to lack the method for testing that can judge crop nitrogen nutrition situation accurately, rapidly, economically and determine the nitrogenous fertilizer requirement.For a long time, the nitrogen nutrition diagnosis of crop and the fertilization recommendation of nitrogenous fertilizer all are based on the laboratory conventionally test, and traditional means of testing need expend great amount of manpower and material resources at aspects such as sampling, mensuration, data analyses, poor in timeliness, and be generally destructive and detect, be unfavorable for applying.
Summary of the invention
Nitrogen is difficult to accurately quantitative problem in the fertilization recommendation in order to overcome, and the purpose of this invention is to provide a kind of multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnostic system, can carry out quick, accurate, nondestructive diagnosis to the rape nitrogen nutrition situation.
The technical solution adopted for the present invention to solve the technical problems is:
1, the multispectral camera system of a kind of multiple spactrum image diagnosis mothod of rape nitrogen nutrition: 3CCD adopts has near infrared, the multispectral camera system of red and green three passages, control images acquired information by computing machine by the RS-232 serial port, the rape canopy multi-spectra image information of its collection and scaling board multispectral image information are delivered to image receiving sheet by the digital image acquisition line, again via in the image receiving sheet input computing machine, through the Matlab image processing software, calculate rape blade face reflectance value, compare analysis with the regular reflectance value, diagnose the rape nitrogen nutrition situation.
2, a kind of rape nitrogen nutrition multispectral image diagnostic system: a termination rape canopy multi-spectra image information and the scaling board multispectral image information of the multispectral camera system of 3CCD, the other end of the multispectral camera system of 3CCD has two interfaces, one connects the computing machine serial port by RS-232 interface, another by the map interlinking of digital image acquisition line as dash receiver; Image receiving sheet output termination computing machine, image receiving sheet is installed on the expansion slot of computer motherboard.
The present invention compares the beneficial effect that has with background technology:
(1) powerful, can realize quick, accurate, nondestructive diagnosis to the rape nitrogen nutrition situation;
(2) simple in structure, entire measuring device only is made up of a 3CCD multi-optical spectrum imaging system, an image receiving sheet, computing machine, Vehicular accumulator cell, inverter converter, a scaling board and the open car that mechanical arm is housed;
(3) easy to use, as long as each building block in the measurement mechanism is coupled together as requested, just can measure;
(4) has good economic benefit, traditional measurement means need expend great amount of manpower and material resources at aspects such as sampling, mensuration, data analyses, and effect property is poor, the present invention is because of simple in structure, easy to make, can measure the multispectral image information on rape blade face fast and accurately, analysis obtains the nitrogen element trophic level of rape, thereby realizes real-time, Non-Destructive Testing rape nitrogen nutrition level.
Description of drawings
Fig. 1 is the structural principle block diagram of rape nitrogen nutrition multispectral image diagnostic system;
Fig. 2 is the process flow diagram of rape nitrogen nutrition multispectral image diagnostic system.
Embodiment
As shown in Figure 1, the one termination rape canopy multi-spectra image information and the scaling board multispectral image information of the multispectral camera system of 3CCD of the present invention, the other end of the multispectral camera system of 3CCD has two interfaces, one connects the computing machine serial port by RS-232 interface, another by the map interlinking of digital image acquisition line as dash receiver; Image receiving sheet output termination computing machine, image receiving sheet is installed on the expansion slot of computer motherboard.
In Fig. 1, the multispectral camera system employing of 3CCD has the multispectral camera system of near infrared, redness and green three passages, control images acquired information by computing machine by the RS-232 serial port, the rape canopy multi-spectra image information of its collection and scaling board multispectral image information are delivered to image receiving sheet by the digital image acquisition line, in via image receiving sheet input computing machine, through the Matlab image processing software, calculate rape blade face reflectance value, compare analysis with the regular reflectance value, diagnose the rape nitrogen nutrition situation.
As shown in Figure 2, the rape canopy multi-spectra image information of the multispectral camera system collection of 3CCD and scaling board multispectral image information are input in the Matlab program and handle.The first step is calculated the average gray value of scaling board in green, red, near infrared monochrome image; In second step, at green, the red and corresponding reflectance value of near-infrared band, set up the gradation of image of scaling board in triple channel and experience linear calibration's model of reflectivity in conjunction with scaling board; The 3rd step, the Soil Background of image is carried out pre-service, with soil and blade face separation of images, calculate the rape blade face simultaneously at reflectivity data green, red, the near infrared triband; The 4th step was input to the regression model of rape blade face reflectivity and nitrogen content with the reflectivity data on rape blade face, predicted the nitrogen content of rape; In the 5th step, the predicted value of rape nitrogen content is compared with the normal nitrogen content of rape, judges the nitrogen content nutrient level of rape.
Native system is made up of 3CCD multi-optical spectrum imaging system, computing machine, image receiving sheet, scaling board, open car, mechanical arm and power supply.Installed in an open car and the multispectral camera system of 3CCD can be stretched over the mechanical arm of overlooking the field crops position, its longest spread length distance is 3.5 meters, and maximum terrain clearance is 3.5 meters.Be equipped with Vehicular accumulator cell and inverter converter on the car, can provide 220V alternating current for the multispectral camera system of 3CCD and computing machine.Real-time multispectral rape nitrogen content measurement mechanism mainly is made up of multispectral camera system, image receiving sheet, computing machine and a scaling board with near infrared, redness and green three passages.Multispectral camera system will be taken in light source after filtration, be separated into green (550nm) in real time, and red (650nm), the monochrome image of three waveband channels of near infrared (800nm) is connected to computing machine by image receiving sheet.The image that multispectral rape nitrogen content measurement mechanism is gathered carries out Flame Image Process by the Matlab software in the computing machine, comprises the elimination of ground unrest and the illumination reflective analysis of crop leaf.Because the blade face reflectivity is also different thereupon under the different illumination conditions.Therefore designed the reflectivity scaling board, when the blade face view data is converted to the blade face reflectivity data, data have been demarcated.Will compare with the rape leaf reflectivity of normal nitrogen content level through the reflectivity that calculates, by analysis, judge the nitrogen content nutrient level of rape, and nitrogen fertilizer application provide decision support.
Said image receiving sheet comprises the image receiving sheet of any brand, model.Said mechanical arm is made by metal, can regulate its spread length apart from the height and distance open car on ground as requested.Said power supply comprises the accumulator and the inverter converter of any brand, model.Said scaling board is made up of the plate that two or more than two has different reflectivity.
The 3CCD multi-optical spectrum imaging system is the MS3100 Duncan Camera of U.S. redlake company; The image dash receiver is the PCI-1424 or the PCI-1428 image dash receiver of American National Instrument Instrument company.
Claims (2)
1, a kind of multiple spactrum image diagnosis mothod of rape nitrogen nutrition, it is characterized in that: the multispectral camera system of 3CCD adopts has near infrared, the multispectral camera system of red and green three passages, control images acquired information by computing machine by the RS-232 serial port, the rape canopy multi-spectra image information of its collection and scaling board multispectral image information are delivered to image receiving sheet by the digital image acquisition line, again via in the image receiving sheet input computing machine, through the Matlab image processing software, calculate rape blade face reflectance value, compare analysis with the regular reflectance value, diagnose the rape nitrogen nutrition situation.
2, a kind of rape nitrogen nutrition multispectral image diagnostic system, it is characterized in that: a termination rape canopy multi-spectra image information and the scaling board multispectral image information of the multispectral camera system of 3CCD, the other end of the multispectral camera system of 3CCD has two interfaces, one connects the computing machine serial port by RS-232 interface, another by the map interlinking of digital image acquisition line as dash receiver; Image receiving sheet output termination computing machine, image receiving sheet is installed on the expansion slot of computer motherboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510062298 CN1793857A (en) | 2005-12-28 | 2005-12-28 | Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510062298 CN1793857A (en) | 2005-12-28 | 2005-12-28 | Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1793857A true CN1793857A (en) | 2006-06-28 |
Family
ID=36805426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510062298 Pending CN1793857A (en) | 2005-12-28 | 2005-12-28 | Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1793857A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900676A (en) * | 2010-07-05 | 2010-12-01 | 浙江大学 | Method for rapidly detecting activity of acetolactate synthase in rape leaves |
| CN101923319A (en) * | 2010-04-16 | 2010-12-22 | 江苏大学 | Smart monitor system for crops cultivated in protected facilities based on hyperspectral remote sensing technology |
| CN101539531B (en) * | 2009-04-09 | 2011-11-16 | 浙江大学 | Rice leaf blast detection and classification method based on multi-spectral image processing |
| CN101773016B (en) * | 2010-01-07 | 2012-01-04 | 淮海工学院 | Intelligent variable rate fertilizer for rice and variable rate fertilization method thereof |
| CN102788751A (en) * | 2011-05-20 | 2012-11-21 | 精工爱普生株式会社 | Feature value estimation device and corresponding method, and spectral image processing device and corresponding method |
| CN103901036A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Method for judging material characteristics of target object and electronic device |
| US9488630B2 (en) | 2013-11-08 | 2016-11-08 | Dow Agrosciences Llc | Integrated remote aerial sensing system |
| CN108956485A (en) * | 2018-07-26 | 2018-12-07 | 昆山小茶智能科技有限公司 | Tea tree nutrition condition fast diagnosis method based on canopy reflectance spectra |
-
2005
- 2005-12-28 CN CN 200510062298 patent/CN1793857A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539531B (en) * | 2009-04-09 | 2011-11-16 | 浙江大学 | Rice leaf blast detection and classification method based on multi-spectral image processing |
| CN101773016B (en) * | 2010-01-07 | 2012-01-04 | 淮海工学院 | Intelligent variable rate fertilizer for rice and variable rate fertilization method thereof |
| CN101923319A (en) * | 2010-04-16 | 2010-12-22 | 江苏大学 | Smart monitor system for crops cultivated in protected facilities based on hyperspectral remote sensing technology |
| CN101923319B (en) * | 2010-04-16 | 2012-08-15 | 江苏大学 | Smart monitor system for crops cultivated in protected facilities based on hyperspectral remote sensing technology |
| CN101900676A (en) * | 2010-07-05 | 2010-12-01 | 浙江大学 | Method for rapidly detecting activity of acetolactate synthase in rape leaves |
| CN101900676B (en) * | 2010-07-05 | 2012-06-27 | 浙江大学 | Method for rapidly detecting activity of acetolactate synthase in rape leaves |
| CN102788751A (en) * | 2011-05-20 | 2012-11-21 | 精工爱普生株式会社 | Feature value estimation device and corresponding method, and spectral image processing device and corresponding method |
| CN102788751B (en) * | 2011-05-20 | 2016-12-14 | 精工爱普生株式会社 | Characteristic quantity estimation unit and method thereof and spectral image processing means and method thereof |
| CN103901036A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Method for judging material characteristics of target object and electronic device |
| CN103901036B (en) * | 2012-12-24 | 2017-04-19 | 联想(北京)有限公司 | Method for judging material characteristics of target object and electronic device |
| US9488630B2 (en) | 2013-11-08 | 2016-11-08 | Dow Agrosciences Llc | Integrated remote aerial sensing system |
| CN108956485A (en) * | 2018-07-26 | 2018-12-07 | 昆山小茶智能科技有限公司 | Tea tree nutrition condition fast diagnosis method based on canopy reflectance spectra |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1793857A (en) | Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system | |
| CN101936882B (en) | Nondestructive testing method and device for nitrogen and water of crops | |
| CN100510709C (en) | Portable multiway crop leaf nitrogen nutrient index nondestructive monitoring device | |
| CN202382768U (en) | Facility crop growth information nondestructive test apparatus | |
| CN101210876A (en) | Rice nutrient information measuring method based on visible/near infrared multispectral imaging | |
| CN102721651B (en) | Detection method and system of water content in plant leaf based on multispectral image | |
| CN102081039A (en) | Environment-controllable hyperspectral image detecting device for crop nutrition and moisture | |
| CN100529654C (en) | Measurement instrument and method suitable for remotely monitoring crack width of concrete | |
| CN102384767A (en) | Nondestructive detection device and method for facility crop growth information | |
| CN104614321B (en) | A kind of crop growing state method of real-time based on spectrum picture | |
| CN107764976B (en) | Rapid diagnosis method and online monitoring system for soil nitrogen | |
| CN109187398A (en) | A kind of EO-1 hyperion measuring method of wheat plant nitrogen content | |
| CN101609042A (en) | Hand-held soil nutrient nondestructive measurement system based near infrared spectrum | |
| CN103278503B (en) | Multi-sensor technology-based grape water stress diagnosis method and system therefor | |
| CN1744144A (en) | GRPS/GSM/GPS based large-size farmland soil moisture content long-distance mointoring system | |
| CN102564962A (en) | System and method for detecting nutritional components in fruit trees | |
| CN101059427A (en) | Method for quickly non-destructive measurement for nitrogen content of tea using multiple spectrum imaging technology | |
| CN109827957B (en) | Rice leaf SPAD value estimation method and system based on computer vision | |
| CN106382960A (en) | System and method for automatically monitoring indoor environment of building based on Internet plus technology | |
| CN104251823B (en) | Quantified measuring method for liquefying capability of seminal fluid | |
| CN201503392U (en) | Handheld soil nutrient nondestructive measurement device based on near infrared spectrum | |
| CN101074927A (en) | Method for diagnosing fruit diseases based on visible and near-infrared spectral characteristic band | |
| CN108627805B (en) | Radar signal data acquisition and analysis system and analysis method thereof | |
| CN108037081A (en) | A kind of vinifera maturity monitoring method and system | |
| CN2854585Y (en) | Multispectral image diagnostic system for rape nitrogen nutrition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |