For access to this article, please select a purchase option:
IET members benefit from discounts to all IET publications and free access to E&T Magazine. If you are an IET member, log in to your account and the discounts will automatically be applied.
Your recommendation has been sent to your librarian.
Inspec keywords: vector quantisation; geographic information systems; edge detection; image colour analysis; image representation; cartography
Subjects: Computer vision and image processing techniques; Optical, image and video signal processing; Geography and cartography computing