Research on boring and caving principle of no - tillage punch hill - drop drill 冲孔免耕穴播机入土成穴原理的研究
2.
5 hole centers location and hole distance measuring technology are studied 5研究了穴播精度检测算法和重叠种子分离方法。
3.
Precision seeder , grain drill seeder , hill - drop planter , seeding monomer , and seed sowing device for the first time are realize to be tested on one comprehensive test - bed , and at the same time , hard problem of evaluating seeding accuracy from seed kernel space interval is solved 该系统首次实现了对精密播种机、谷物条播机、穴播机，及排种器等多类型播种机具播种精度的检测，解决了通过直接获得种子粒间距而检测播种精度这一难点问题。
4.
The comprehensive seeding accuracy testing method proposed in this dissertation to test performance of precision seeder , grain drill seeder , hill - drop planter , seeding monomer , and seed sowing device is an integrative one with technology of computer vision , patter recognition , and automatic control 本文提出的适用于精密播种机、谷物条播机、穴播机，及排种器等多类型播种机具的播种精度检测方法，是集计算机视觉、模式识别、自动控制为一体的综合技术。
5.
Overlapped seeds are separated by certain algorithm . the key problem in hole - drill planter test is locating of holes centers , which is solved by using geometry moments of discrete masses . and then the holes distance is calculated from holes centers with fairly high precision 针对穴播机检测中穴距测量的关键问题，研究了基于几何中心矩的穴播质心、穴间距离检测算法，获得较高的检测精度；研究了基于数学形态学的重叠种子图像检测算法，定义了串联、并联的种子分布形式，对重叠、挤挨种子的分割进行了有效的工作。
