Based on the vectorization results, further work should be done to realize better comprehending and reuse for engineering drawings and transform it from 2D to 3D.

• 要全面实现工程图纸的识别理解与智能重用,完成二维模型到三维模型的转变,就必须在矢量化基础上进一步识别出工程图中的各种图形符号。