Method for identifying hollowYidianhongradishes based on hyperspectral imaging technology

Abstract

The invention discloses a method for identifying hollowYidianhongradishes based on a hyperspectral imaging technology. The method comprises the following steps: 1) acquiring a hyperspectral reflectance spectrum of the Yidianhongradishes; 2) cutting the Yidianhongradishes to be modeled,observing whether the Yidianhongradishesare hollow or not, and marking and classifying a hollow sample and a solid sample; 3) building a support vector machine identifying model based on the reflectance spectrum information acquired in step 1), and classifying based on the standard of 1-solid and 2-hollow; 4) repeating the operation in step 1) on the Yidianhong radish sample which is to be detected to be solid or hollow; and 5) inputting the spectrum information of the obtained to-be-detected Yidianhong radish sample into the support vector machine identifying model, and determining whether the to-be-detected sample is hollow or not. The method is mainly used for acquiring the hyperspectral information of the Yidianhong radish which is determined to be hollow or not, and on that basis, the support vector machine identifying model is built, thus whether the Yidianhong radish is hollow or not can be identified without destruction; the identifying process is quick, simple and convenient; and the identifying result is accurate and reliable.

Description

technical field [0001] The invention belongs to the field of spectral analysis, and in particular relates to a method for identifying hollow carrots based on hyperspectral imaging technology. Background technique [0002] Radish (Raphanus sativus L.), a biennial or annual herb, is an important crop; its fleshy taproots are oblong, spherical or conical, and can be used as vegetables. Radish planting has a long history and there are many varieties of breeding. In Hangzhou City, Zhejiang Province, a local radish is listed every winter. Its fleshy root is spindle-shaped, the aboveground part is pink or purple, and the underground part is white. It is commonly known as "a little red". This variety of radish has dense meat, thin and smooth skin, crispy, waxy and fresh, and is of high quality. It is loved by the people of Hangzhou. But some carrots have a hollow problem under natural conditions, and the hollow rate is about 1 / 3. Hollow radish means that the parenchyma cells of t...

AI Technical Summary

Problems solved by technology

This method requires the judge to have certain life experience and is time-consuming, laborious and destructive

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