TI N TRNH TH NGHI M:

4.1. T o v tri t nhi u mu i tiu:

c nh g c vo

c nh g c tn pep.tif v nh nhi u tn n2.tif.

hi n c hai hnh ny trn cng Figure 1.

Ph n m bo co:

pep=imread('pep.tif');

pep= im2double(pep); noi=rand(256); n2=zeros(size(pep)); n2=n2+pep.*(noi>0.2)+255.*(noi