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Spectrum information and image information fusing crop plant disease and insect pest identifying and distinguishing method

A technology of image information and spectral images, which is applied in the field of remote sensing image processing and agronomy, can solve problems such as inability to distinguish different pests and diseases, and achieve the effect of accurate diagnosis

Active Publication Date: 2015-11-04
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the methods in the prior art that are limited to the identification of specific types of pests and diseases and cannot distinguish different pests and diseases, and provide a method that has a wide range of applications, can distinguish different pests and diseases, and has good versatility. Crop pest identification and differentiation method based on fusion of spectral and image information

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  • Spectrum information and image information fusing crop plant disease and insect pest identifying and distinguishing method
  • Spectrum information and image information fusing crop plant disease and insect pest identifying and distinguishing method
  • Spectrum information and image information fusing crop plant disease and insect pest identifying and distinguishing method

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Embodiment Construction

[0045] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0046] Such as image 3 The illustrated embodiment is a method for identifying and distinguishing crop diseases and insect pests by fusing spectral and image information, including the following steps:

[0047] Step 100, spectral image data collection:

[0048] Since the early symptoms of several diseases and insect pests are not obvious, more obvious leaf symptoms appear from the filling stage. At the same time, the early filling stage is also an important time point for the use of pesticides to control the disease. Therefore, in this example, the early leaves of wheat grain filling were collected, and the experiment was carried out between April 30 and May 21, 2014. In the Beijing Academy of Agriculture and Forestry Sciences, the plants infected with wheat stripe rust were set up through inoculation of plant diseases and insect pests and con...

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Abstract

The present invention discloses a spectrum information and image information fusing crop plant disease and insect pest identifying and distinguishing method. According to the present invention, the decision process comprising spectrum image acquisition, leaf background separation, pest injury spot region identifying, and plant disease and insect pest type diagnosis is provided, the image-spectrum-in-one advantage of the imaging spectrum technology is completely utilized, and the spectrum characteristic and image characteristic combining plant disease and insect pest distinguishing method is provided based on the spectrum, geometry and texture characteristics presented by the leaf injury position and respectively captured by the two dimensionalities such as the image and the spectrum; and with the method of the present invention, the limitation of the traditional method in the distinguishing and the diagnosis is overcome, and characteristics of rapid, non-destructive and accurate diagnosis on the plant disease and insect pest are provided.

Description

technical field [0001] The invention relates to the technical fields of remote sensing image processing and agronomy, in particular to a method for identifying and distinguishing crop diseases and insect pests that has wide application range, can distinguish different diseases and insect pests, and has good versatility by fusing spectrum and image information. Background technique [0002] Crop diseases and insect pests are one of the main agricultural disasters in our country. It has the characteristics of various types, great impact, and frequent outbreaks. It often causes heavy losses to our national economy, especially agricultural production. Therefore, real-time and effective identification and differentiation of crop diseases and insect pests is the key to realizing today's precision agricultural management. At present, the field investigation of pests and diseases mainly relies on manual visual inspection, field sampling and other methods. Although these traditional...

Claims

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Application Information

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IPC IPC(8): G01N21/25
Inventor 袁琳张海波包志炎田静华孙欣欣赵双强蔡丽雯
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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