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Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system

A multi-spectral image and rapeseed nitrogen technology, which is applied in the field of rapeseed nitrogen nutrition multi-spectral image diagnosis and diagnosis system, can solve the problem of difficulty in accurate quantification of nitrogen, and achieves the effects of non-destructive testing, good economic benefits and simple structure

Inactive Publication Date: 2006-06-28
ZHEJIANG UNIV
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Problems solved by technology

[0003] In order to overcome the problem that nitrogen is difficult to quantify accurately in recommended fertilization, the purpose of this invention is to provide a multi-spectral image diagnosis method and system for nitrogen nutrition in rapeseed, which can quickly, accurately and non-destructively analyze the nitrogen nutrition status of rapeseed. diagnosis

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  • Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system
  • Multiple spactrum image diagnosis mothod of rape nitrogen nutrition and diagnosis system

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Embodiment Construction

[0014] Such as figure 1 As shown, one end of the 3CCD multispectral camera system of the present invention is connected to rapeseed canopy multispectral image information and calibration plate multispectral image information, and the other end of the 3CCD multispectral camera system has two interfaces, one of which is connected to the computer through the RS-232 interface The other is connected to the image receiving board through the digital image acquisition line; the output terminal of the image receiving board is connected to the computer, and the image receiving board is installed on the expansion slot of the computer motherboard.

[0015] exist figure 1 Among them, the 3CCD multispectral camera system adopts a multispectral camera system with three channels of near-infrared, red and green, and is controlled by a computer through the RS-232 serial port to collect image information. The collected rapeseed canopy multispectral image information and The multi-spectral image...

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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 ¿C 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 [0001] The invention relates to a multi-spectral image diagnosis method and a diagnosis system of rapeseed nitrogen nutrition. Background technique [0002] Nitrogen nutrition diagnosis is the core of plant nutrition diagnosis. Nitrogen fertilizer is the most widely used chemical fertilizer in the world, and it is also the most difficult to quantify accurately in the recommended fertilization. Tracing it to its cause is mainly due to the lack of testing methods that can accurately, rapidly and economically judge the nitrogen nutrition status of crops and determine the nitrogen fertilizer requirement. For a long time, the nitrogen nutrition diagnosis of crops and the recommended fertilization of nitrogen fertilizers have been based on routine laboratory tests. However, traditional testing methods require a lot of manpower and material resources in terms of sampling, measurement, and data analysis. For destructive detection, it is not conducive to popularizat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27G01N33/00
Inventor 何勇黄敏冯雷朱哲燕岑海燕
Owner ZHEJIANG UNIV
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