Objects outline delineation by nonliniear filtration methods for boundary pixels

A processing of border pixel from map originate problem while work with outline objects segmentation algorithm on bitmap images, which are based 2D convolution operation. The correspond addition set pixels outside matrix image. This is actual also in other algorithms, have a common feature – level importance defined by multi used nonlinear filters to and then union few images without distortions at the boundaries. existing methods redefining pre step primitive affects subsequent stages processing. exist between algorithms segmentation: Sharra, Pruitta, Sobel. object investigation halftone subject relation assessment pixels. main target describing features special positively affecting evaluation responses for this segmentation. Analysis, influence boundary preliminary selection redefinition carried out example combining several satellite along urban infrastructure. For simplicity necessary large data volume visualization (pixel half tone size) presented graphs: codes pixels, requests By analysis criteria characteristics an effective method described images.