Nondestructive testing method and device for fruits

A non-destructive testing and fruit technology, which is used in measuring devices, scattering characteristics measurement, material analysis by optical means, etc., can solve problems such as mutual interference of peel and pulp information, affecting the accuracy of test results

Active Publication Date: 2017-08-18
BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is how to solve the problem that in the existing detection proce

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  • Nondestructive testing method and device for fruits
  • Nondestructive testing method and device for fruits
  • Nondestructive testing method and device for fruits

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Embodiment Construction

[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0059] figure 1 It is a schematic flowchart of the method for non-destructive testing of fruits provided in this embodiment. see figure 1 , the method includes:

[0060] 101: Obtain the first total diffuse reflectance spectrum of a preset type of fruit;

[0061] 102: Extracting a first diffuse reflectance spectrum at a predetermined first...

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Abstract

The embodiment of the invention discloses a nondestructive testing method and device for fruits. The method comprises the steps of obtaining a first total diffuse reflection spectrum of a detected fruit, extracting a first diffuse reflection spectrum for predicting the content of fruit peel ingredients in fruit peel from the first total diffuse reflection spectrum, removing the first diffuse reflection spectrum from the first total diffuse reflection spectrum to obtain a second diffuse reflection spectrum; and extracting a third diffuse reflection spectrum for predicting the content of pulp ingredients in pulp from the second diffuse reflection spectrum. The first diffuse reflection spectrum is related to the fruit peel ingredients in the fruit peel and the third diffuse reflection spectrum is only related to the pulp ingredients in the pulp, so that the influence of the spectrum generated from the ingredients in the pulp is avoided through predicting the fruit peel ingredients in the fruit peel through the first diffuse reflection spectrum; and the influence of the spectrum generated from the ingredients in the fruit peel is also avoided through predicting the pulp ingredients in the pulp through the third diffuse reflection spectrum, thereby improving the accuracy of predicting the content of the ingredients in the fruit.

Description

technical field [0001] The invention relates to the technical field of fruit detection, in particular to a method and device for nondestructive detection of fruit. Background technique [0002] Hyperspectral imaging technology is an effective means of non-destructive detection of the internal quality of fruits, and has great application potential in the non-destructive detection of soluble solids, sugar, acid, vitamins and other internal quality content. At present, most of the research methods used for fruit detection are to use the full spectrum band or variable selection based on the full spectrum to select the characteristic bands related to the internal quality index of the fruit, and establish a prediction model for the internal quality of the fruit. However, the diffuse reflectance spectrum is a composite information carrier captured by the detector after the light penetrates the fruit peel and pulp. The absorption effect of the peel tissue on the spectrum is also in ...

Claims

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Application Information

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IPC IPC(8): G01N21/359G01N21/3563G01N21/47G01N21/49
CPCG01N21/3563G01N21/359G01N21/4738G01N21/49
Inventor 黄文倩田喜李江波王庆艳樊书祥
Owner BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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