实时图像识别系统PCI驱动程序设计与开发

Design and development of PCI driver for real-time recognition systems

为提高实时图像识别系统的数据传输速率和识别搜索效率,分析驱动程序设计的关键问题,提出类FACADE设计模式,并将其作为驱动程序接口设计的框架。在阐述WDM驱动模型基本结构和核心概念的基础上,采用类FACADE设计模式和MDL内存描述方法,开发实时图像识别系统PCI设备驱动程序。通过向量识别程序测试,验证了该驱动程序的有效性和稳定性;通过车牌识别程序测试,验证了类FACADE设计模式可使图像识别系统识别搜索效率提高20倍。

To increase the data transmission rate and the recognition search efficiency of the real-time image recognition system, key issues of the driver design were analyzed, and a similar FACADE design pattern was presented as a framework for the driver interface design. Based on the discussion of the basic structure and core concepts of the WDM driver model, the memory descriptor list （MDL） method and the similar FACADE design pattern were adopted, and the real-time image recognition PCI device driver was designed and developed. The feasibility and the stability of the developed driver are validated by the practical vector recognition application. And the results of license plate recognition tests show the FACADE design pattern improves the recogni- tion search efficiency of the image recognition system by more than 20-fold.