From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 3176/CH8/EX8.2/Ex8_2.sce | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 3176/CH8/EX8.2/Ex8_2.sce (limited to '3176/CH8/EX8.2') diff --git a/3176/CH8/EX8.2/Ex8_2.sce b/3176/CH8/EX8.2/Ex8_2.sce new file mode 100644 index 000000000..aabdf45d0 --- /dev/null +++ b/3176/CH8/EX8.2/Ex8_2.sce @@ -0,0 +1,36 @@ +//Ex8_2 +//Image Entropy Estimation +// Version : Scilab 5.4.1 +// Operating System : Window-xp, Window-7 +//Toolbox: Image Processing Design 8.3.1-1 +//Toolbox: SIVP 0.5.3.1-2 +//Reference book name : Digital Image Processing +//book author: Rafael C. Gonzalez and Richard E. Woods + +clc; +close; +clear; +xdel(winsid())//to close all currently open figure(s). +A=imread("Ex8_2.tif"); + +figure,ShowImage(A,'Original Image'); +title('Original Image','color','blue','fontsize',4); +[nr nc]=size(A); +[Count Cell]=imhist(A); +//figure,bar(Cell,Count); +[r c]=find(Count>0); +Probablity=Count(r)/(nr*nc); //Probablity Calculation +//disp(Probablity); +Intensity=Cell(r); +//disp(Intensity); + +Sum=0; +for i=1:length(r) + p=Probablity(i); + Sum=Sum+(-p*log2(p)); +end + +disp('Entropy') +disp(Sum); + + -- cgit