Counting method of grain number on ear of wheat per plant

Abstract

The invention discloses a method for counting the number of grains on ears of wheat. The method comprises the steps of: S1. collecting a front view of wheat ears by using a CCD camera, and preprocessing the collected front views; S2. mathematical morphology analysis: The opening operation in the mathematical morphology processing is used to reasonably remove the small parts of the structural elements; the filling operation is performed on each cavity, and all objects smaller than the area P are removed by the area method; Correlation between the relevant characteristic parameters of the ear and the number of grains, extracting the area characteristics and cob length characteristics of the wheat ear; S4. Establishing a mathematical model: using the least square method to establish the characteristic parameters of the ear area and cob length and the number of grains of the wheat ear Mathematical model among them; S5. Mathematical model test: To verify the correlation between wheat ear area characteristics and long axis characteristics and its grain number, to ensure the practicability of these two models. The method of the present invention can establish a mathematical model between the area feature of the ear image, the length feature of the major axis and the number of grains by extracting the area feature and the length feature of the major axis of the wheat ear image, thereby being able to count the ears of wheat more accurately, rapidly and objectively The number of grains, compared with manual operation, greatly improves the efficiency of ear grain counting.

Description

technical field [0001] The invention relates to a method for counting the number of grains at the panicle of a single wheat plant by using digital image processing technology. Background technique [0002] The number of grains in the ear of wheat is the number of full grains in the ear when the wheat is mature. [0003] The final yield in the wheat production process is always the most concerned thing for agricultural producers. In fact, in order to facilitate the post-harvest processing and management of wheat, it is always an urgent need for producers and agricultural management departments to know the wheat yield as early as possible and estimate the yield. Therefore, the estimation of wheat field yield needs to accurately know the specific number of grains on the ear when the wheat grains are mature. When agronomic breeding and cultivation experts conduct laboratory planting tests, they also hope to quickly know the number of wheat spikes and accelerate wheat breeding. ...

AI Technical Summary

Problems solved by technology

[0006] It can be seen that the number of grains on the ear of wheat is one of the important basic steps in the measurement of theoretical yield. At present, the number of grains on the ear of wheat is obtained by manual counting, so as to obtain the yield of wheat. This method is time-consuming and laborious. There are also certain errors in the counting process, and different production measurement technicians may obtain different results, which has a large impact of subjectivity and poor accuracy.

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