Detection method of egg size and egg-shape index
A detection method and poultry egg technology, applied in the poultry industry, measuring devices, instruments, etc., can solve the problems of unguaranteed reliability, high hardware configuration requirements, complex algorithms and low efficiency, and achieve high speed and high accuracy Sexuality and high efficiency
Inactive Publication Date: 2010-08-18
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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The purpose of the present invention is to provide a detection method of poultry egg size and egg shape index, to solve the detection methods in the prior art, which have high requirements for system hardware configuration, complex algorithms, low efficiency and unguaranteed reliability, etc. defect
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The present invention relates to a method of detecting the size of poultry eggs and egg shape index. The method comprise steps of collecting the image of an poultry egg, filtering the collected image; detecting the marginal points of the poultry egg in the image by using R component as a variable function and utilizing the dichotomy in the RGB color space of the filtered image; calculating the centroid of the poultry egg by utilizing the obtained marginal points information; using the centroid as the basic point to search the longitudinal diameter and the maximum transverse diameter of the poultry egg. The technical scheme of the present invention has the characteristics that (1) the image does not need binarization; (2) marginal detecting adopts dichotomy and the detecting speed is high;(3) a simplified centroid calculating method is adopted and the efficiency is high; (4) the detecting accuracy is high.
Description
technical field The invention relates to a non-destructive testing technology for agricultural products, in particular to a testing method for poultry egg size and egg shape index. Background technique The detection of poultry egg size and egg shape index has important applications in the egg industry. During transportation, poultry eggs are required to be graded and packaged according to size to reduce damage; during sales, it is required to maintain consistent appearance to increase product prices. In addition, it is also required that the egg shape index must be within a certain range during incubation to ensure the hatchability. The Chinese invention patent "Method for Simultaneous Detection of Egg Size, Egg Shape Index and Weight" (CN1934935) discloses a detection method for simultaneous detection of poultry egg size, egg shape index and weight. This patent uses computer vision technology to collect poultry egg images, perform binary segmentation, filtering and edge ...
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IPC IPC(8): A01K43/00G01B11/08G01B11/24
Inventor 赵春江周平郑文刚申长军王纪华孙刚闫华
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI