机译:Cleaning the USNO-B catalog through automatic detection of optical artifacts
Univ Toronto, Dept Comp Sci, Toronto, ON M5S 3G4, Canada;
NYU, Dept Phys, Ctr Cosmol & Particle Phy, New York, NY 10003 USA;
Google, Mountain View, CA USA;
astrometry; catalogs; methods : statistical; standards; techniques : image processing;