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A method for establishing a plant spectral library

A technology for establishing methods and spectral libraries, which can be applied to still image data indexing, instruments, calculations, etc., and can solve problems such as inability to meet the application requirements of plant remote sensing monitoring

Active Publication Date: 2021-08-10
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, some traditional spectral databases focus on browsing and querying spectral information, often through direct spectral matching or querying based on some general spectral features, which cannot meet the application requirements of the subdivided field of plant remote sensing monitoring from a functional point of view.

Method used

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  • A method for establishing a plant spectral library
  • A method for establishing a plant spectral library
  • A method for establishing a plant spectral library

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Experimental program
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Embodiment Construction

[0095] The present invention will be further described below in conjunction with accompanying drawing.

[0096] A method for establishing a plant spectral library, such as figure 1 As shown, specifically:

[0097] Step 1: Get data

[0098] Plant Spectral Data Acquisition. In this study, the plant hyperspectral data measurement was carried out in accordance with the plant canopy hyperspectral measurement standard, from May to September 2017 in Hangzhou City, Zhejiang Province (Lon 120.34°, Lat 30.31°), selected multiple test points, by ASD FieldSpec4 Pro FR (350nm~2500nm) spectrometer collects 16 kinds of farmland plants including cowpea, soybean, sweet potato, peanut, amaranth, eggplant, sesame, citrus, peach, Youxian camellia, ginkgo, pomelo, loquat, tea tree, rice, wheat, etc. Plants, a total of 450 spectra, plant canopy spectral curves and pictures such as image 3 .

[0099] Step 2: Spectral Feature Extraction

[0100] The features of ASD hyperspectral data extractio...

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Abstract

The invention discloses a method for establishing a plant spectral library. The present invention adopts standardized data collection methods to collect data, and proposes a complete set of spectral feature extraction methods, feature sensitivity analysis methods, and model building methods to perform plant classification and state monitoring. Among them, the band adaptive clustering method can effectively remove Information redundancy in adjacent or similar bands effectively improves data usage efficiency. Based on the above method, a plant spectral library is established, and a set of complete spectral analysis and application methods are provided for it.

Description

technical field [0001] The invention relates to the establishment and application of a plant spectral library, specifically including a hyperspectral data collection method based on a plant spectral library, a feature extraction method based on hyperspectral data, a feature sensitivity analysis method and a classification algorithm research, and the establishment and realization of plant spectra and supporting A plant spectral library for applications such as information storage and query, plant classification and condition monitoring. Background technique [0002] Plant classification is very important for agricultural management such as agricultural planting area planning, nutritional regulation, and pest control; in ecology, we can understand the species, distribution, and community composition of plants, and indicate changes in the ecological environment. In landscaping design, plant species selection, planting distribution design etc. have very important application val...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/51G06F16/55G06K9/46G06K9/62
CPCG06F16/51G06F16/55G06V10/56G06F18/23211
Inventor 张竞成刘鹏王斌陈冬梅袁琳吴开华张垚周贤锋
Owner HANGZHOU DIANZI UNIV
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