Detection Technology for Precision Metering Performance of Magnetic-Type Seeder Based on Machine Vision

  • Deyong Yang
  • Jianping Hu
  • Zuqing Xie
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 344)


Magnetic-type seeder is a precision metering device, particularly suitable for small seeds. A visual inspection system for precision performance of magnetic-type seeder was established based on machine vision and image processing technology. By using pre-treatment techniques including image binarization and image filtering, image quality was enhanced effectively. As the gray-scale value of the seeds coated with magnetic powder is very close to the electromagnet, the method of seed feature extraction based on morphological image processing is proposed and performance testing model of precision metering seed is put forward. The results of comparison between machine vision and manual detection showed that the relative error of preciseness was less than 3% and coefficient of variation and standard deviation were less than 5%, which indicated the system is of high accuracy when used in real-time detection.


precision metering performance detection magnetic-type seeder machine vision 


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Copyright information

© IFIP International Federation for Information Processing 2011

Authors and Affiliations

  • Deyong Yang
    • 1
    • 2
  • Jianping Hu
    • 2
  • Zuqing Xie
    • 2
  1. 1.School of Mechanical EngineeringJiangsu UniversityZhenjiangP.R. China
  2. 2.Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of EducationJiangsu UniversityZhenjiangP.R. China

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