Jimenez, JavierNavalon, Jose L.J. L. Encarnacao2015-09-292015-09-2919811017-4656https://doi.org/10.2312/eg.19811023We present methods to vectorize automatically information given in raster form, the algorithms used are discussed briefly, and results for some test cases are presented. The compression of information is discussed as well as some theoretical models.EXTRACTING LINE MAPS FROM IMAGES10.2312/eg.19811023