Sonka, Milan. Image processing, analysis and machine vision / Milan Sonka, Vaclav Hlavac and Roger Boyle. - London : Chapman & Hall, 1993. - xix, 555 p. : ill. ; 23 cm. - Chapman & Hall computing series. . References : p. 534-542. ISBN: 0412455706 RM96.56 Subjects--Topical Terms: Image processing.Computer vision.