from pylab import *
from matplotlib import *
import numpy
def rgb2gray(rgb):
r,g,b=rgb[:, :, 0], rgb[:,:,1], rgb[:,:,2]
gray=0.2989*r+0.5870*g+0.1140*b
return gray
image = imread("oko.jpg")
gimage=rgb2gray(image)
imshow(gimage, cmap="gray")
title("Obraz podstawowy")
show()
szum=rand(gimage.shape[0],gimage.shape[1])
szum=szum*100
imshow(szum, cmap="gray")
title("Szum o rozkladzie rownomiernym")
show()
gimageszum = gimage + szum
imshow(gimageszum, cmap="gray")
title("Obraz z szumem o rozkladzie rownomiernym")
show()
szumGauss=randn(gimage.shape[0],gimage.shape[1])
szumGauss=szumGauss * 100
imshow(szumGauss, cmap="gray")
title("Szum Gaussa")
show()
gimageszumGauss= gimage + szumGauss
imshow(gimageszumGauss, cmap="gray")
title("Obraz z szumem Gaussa")
show()
sol_pieprz = gimage
for i in range(8000):
sol_pieprz[randint(0,sol_pieprz.shape[0]),randint(0,sol_pieprz.shape[1])] =1
sol_pieprz[randint(0,sol_pieprz.shape[0]),randint(0,sol_pieprz.shape[1])] =0
imshow(sol_pieprz, cmap="gray")
title("Obraz z szumem pieprz i sol")
show()
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}