On the basis of a Toll System recently completed, this paper presents how to improve the performance of Monitoring System with Video Capture Card and VFW.

• 本文在完成了一个公路通行费征收系统的实践基础上，阐述了如何基于视频卡和利用VFW来进行视频采集以及如何实现一般公路计算机收费系统的监控要求。