Grain counting method for spike of single rice based on digital image processing technology

A counting method, the technology of the ear department, applied in the direction of image data processing, image analysis, calculation, etc., can solve the problems of laboriousness, poor accuracy and repeatability, errors, etc., to ensure practicability and effectiveness, improve counting efficiency, cost-saving effect

Inactive Publication Date: 2014-09-03
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0006] It can be seen that the number of grains on the panicle of rice is one of the important parameters for measuring the theoretical yield, but at present, the number of grains on the panicle of rice is ob

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  • Grain counting method for spike of single rice based on digital image processing technology
  • Grain counting method for spike of single rice based on digital image processing technology
  • Grain counting method for spike of single rice based on digital image processing technology

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Embodiment Construction

[0047] The rice panicle grain counting method proposed by the present invention is described in detail as follows in conjunction with the accompanying drawings and examples.

[0048] In order to quickly obtain the characteristic parameters of the area characteristic parameters of the rice panicle and the total length of the primary branches, and establish the correlation between the area characteristic parameters, the characteristic parameters of the total length of the primary branches and the number of grains, there are two key points, the first , measure the relevant characteristic parameters of rice panicle and establish the correlation between the characteristic parameters of rice panicle and the number of grains in the panicle, so as to provide a theoretical basis for counting the number of grains in the panicle of rice using digital image processing technology; secondly, through digital image processing technology Quickly obtain the characteristic parameters of the area ...

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Abstract

The invention discloses a grain counting method for a spike of a single rice based on digital image processing technology. The method comprises the steps that S1) the correlation between a characteristics parameter and the grain number of the spike of the rice is established, a first branch of the spike is straightened, a spike image is obtained via a scanner, and the spike image is preprocessed; S2) mathematic morphological processing is carried out on the preprocessed spike image to remove part which is low in structural element, and a hole filling operation is carried out to remove all non-target objects; S3) characteristic parameters of the area and the total first-branch length of the grain part of the spike image are extracted; S4) mathematic models between the characteristic parameters and the grain number are established; and S5) the mathematic model between the characteristic parameters and the grain number are verified. The grain counting method based on digital image processing technology can be used to count grains of the spike accurately, rapidly and objectively, and the grain counting efficiency of the spike is improved.

Description

technical field [0001] The invention relates to a method for counting the number of grains at the panicle of a single rice plant by using digital image processing technology. Background technique [0002] The number of grains on the panicle of rice is the number of all grains on the panicle when the rice is mature. [0003] The final yield in the rice production process is always the most concerned thing for agricultural producers. In order to facilitate rice production and post-production processing management, early estimation of rice field yield has become an urgent need for producers and agricultural management departments. However, the estimation of rice field yield needs to obtain the number of mature rice spikes accurately. At the same time, in order to speed up rice breeding and cultivation management, agronomic breeding and cultivation experts also hope to quickly obtain the number of rice panicle grains when conducting laboratory planting tests. On the basis of ...

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Application Information

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IPC IPC(8): G06K9/00G06K9/46G06T7/00
Inventor 李毅念赵三琴丁启朔丁为民
Owner NANJING AGRICULTURAL UNIVERSITY
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