The technologies are emphasized, including image collection, preprocessing, edge detection and selection, calculating the dose of the point and drawing the isodose.

• 着重探讨了系统的实现技术，包括模拟定位机下定位图像的采集、预处理、边缘识别与提取、任意点的剂量计算和等剂量曲线的绘制等。