Vision system is researched and technically analyzed,the virtual instrumentation-based seed leveling vision system is developed,and use of digital image processing algorithms is discussed.

• 对视觉系统的实现进行了研究与技术分析，研究开发了基于虚拟仪器的种子等级判别视觉系统，并论述了数字图像处理算法的应用。