00308nam a2200121 a 450000500170000002000150001708200170003210000060004911000240005524500480007926000390012730000200016620251203110159.0  a0824787242  a621.367bDOU  d_  aDougherty, Edward R  aMathematical morphology in image processing  aNew YorkbMarcel Dekker, Incc1993  axvi,530p.c22cm