Recent development and recognition methods of raster to vector conversion for engineering drawings are presented. The advantages and disadvantages of all existing models are analyzed. Some research challenges and futu...Recent development and recognition methods of raster to vector conversion for engineering drawings are presented. The advantages and disadvantages of all existing models are analyzed. Some research challenges and future directions are discussed.展开更多
In recent years, research on the automatic input of graphics became active, because researches in the fields of CAD, GIS (geographical information system), OA (office automation), etc. have raised high requirements fo...In recent years, research on the automatic input of graphics became active, because researches in the fields of CAD, GIS (geographical information system), OA (office automation), etc. have raised high requirements for the graphic input of computers. But compared with the graphic output approach, the current graphic input approach is so limited that it cannot meet the needs of intelligent input.展开更多
文摘Recent development and recognition methods of raster to vector conversion for engineering drawings are presented. The advantages and disadvantages of all existing models are analyzed. Some research challenges and future directions are discussed.
基金Project supported in part by the 863 Plan and in part by the National Natural Science Foundation of China
文摘In recent years, research on the automatic input of graphics became active, because researches in the fields of CAD, GIS (geographical information system), OA (office automation), etc. have raised high requirements for the graphic input of computers. But compared with the graphic output approach, the current graphic input approach is so limited that it cannot meet the needs of intelligent input.
