A system for the acquisition, storage, indexing, and retrieval of map images is presented. The input to this system are raster images of separate map layers and map composites. A ...
There is an increasingly pressing need to develop document analysis methods that are able to cope with images of documents containing printed regions of complex shapes. Contrary t...
The method herein proposed detects text lines on handwritten pages which may include either lines oriented in several directions, erasures, or annotationsbetween main lines. The m...
The process of converting an analog map into structured digitized information requires several di erent operations, which are all time-consuming when performed manually. Strictly ...
This paper describes substantial advances in the analysis (parsing) of diagrams using constraint grammars. The addition of set types to the grammar and spatial indexing of the dat...