采用结构光的大跨度销孔加工精度在线测量
李瑛,成芳,赵志林

Machining precision online measurement of large span pin hole using structured light
Ying LI,Fang CHENG,Zhi-lin ZHAO
图 9 采用霍夫梯度法得到的销孔边缘检测效果图 (反色图像)
Fig.9 Pin hole edge detection renderings with Hough gradient algorithm (anti-color image)