It includes image preprocessing, graphics auto-recognition, graphics format conversion and human-computer interactive method, such as raster image edition and vector graphics edition.
它包括图像预处理、自动矢量化、图形格式转换以及人工交互方式的光栅图像和矢量图形编辑等功能。
Geographical information systems development and optimize the structure of spatial data closely, raster and vector data efficient conversion of data between the GIS is one of the key technologies.
地理信息系统开发和优化的空间数据结构紧密，光栅和矢量数据之间的地理信息系统数据的有效转换的关键技术之一。
As a very important means in raster-to-vector conversion of engineering drawing, the technique of mixture edition of raster and vector is more and more attached importance to.
作为工程图样矢量转换过程中一个十分重要的手段，光栅图像与矢量图形的混合编辑技术越来越受到人们的重视。
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