Vextractor

Vextractor is a vectorizer program for transforming raster images into vector formats by building centerlines and outlines. This tool could be used for the vectorizing photo, logotypes and other line art images for use in Vector Graphics Design software. You can also vectorize charts, drawings, maps and schemes for input to CAD or GIS systems.
Main features of Vextractor:
Input raster formats: BMP, GIF, TIFF, GeoTIFF, JPEG, PCX, TGA, PNG, RAS, PBM, PGM, PPM, WBMP, ICO;
Output format for vector information: AutoCAD DXF, DXB, HPGL, WMF, EMF, ArcView Shapefiles, MapInfo MID/MIF, ASCII XYZ, Scalable Vector Graphic - SVG, Encapsulated PostScript - EPS, Adobe Illustrator - AI, ILDA Image Data Transfer Format;
Create centerlines and outlines;
Recognize splines, ortholines, arcs and circles;
Built-in vector editor;
Image filtration and palette transformation for raster to vector conversion;
TWAIN32-compatible scanner support;
Coordinate referencing for CAD and GIS;
Input Z-values (elevation) for GIS.