针对高精度自动贴片机的关键技术视觉识别定位算法进行了研究,针对贴片机PCB板标记点及元件图像的特点,提出了结合图像分割、几何特征识别与模式匹配的图像识别及定位方法。根据以上算法开发了针对视觉定位系统的图像识别软件,并用PCB板图像及元件图像进行识别定位验证。实验结果表明,该算法能够有效地完成贴片机视觉系统的识别定位任务。 Aiming at the characteristics of PCB board marks and component images, a method of image recognition and location based on image segmentation, geometric feature recognition and pattern matching is proposed. . According to the above algorithms, the image recognition software for visual positioning system was developed and validated by PCB image and component image. Experimental results show that the algorithm can effectively accomplish the task of identifying and locating the placement machine vision system.