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+//Ex2_7
+// Image Multiplication for Shadding Correction.
+// 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).
+
+//////////////////  Image Division /////////////////////
+gray=imread("Ex2_7.tif");
+shade=imread("Ex2_7_1.tif");
+gray=im2double(imresize(gray,0.5,'bicubic')); //Resize the Image with Bicubic Interpolation
+shade=im2double(imresize(shade,0.5,'bicubic')); //Resize the Image with Bicubic Interpolation
+figure,ShowImage(gray,'Gray Image');
+title('Original Image');
+figure,ShowImage(shade,'Sahde Image');
+title('Shading Pattern Image');
+[nr nc]=size(gray);
+Enhance_image=imdivide(gray,shade);
+Enhance_image=mat2gray(Enhance_image);
+figure,ShowImage(Enhance_image,'Enhance Image');
+title('Enhance Image after Shading Correction');
+
+//////////////////  Image Multiplication /////////////////////
+gray=imread("Ex2_7_2.tif");
+mask=imread("Ex2_7_3.tif");
+gray=im2double(imresize(gray,0.5,'bicubic')); //Resize the Image with Bicubic Interpolation
+mask=im2double(imresize(mask,0.5,'bicubic')); //Resize the Image with Bicubic Interpolation
+figure,ShowImage(gray,'Gray Image');
+title('Original Image');
+figure,ShowImage(mask,'mask Image');
+title('mask Pattern Image(ROI)');
+[nr nc]=size(gray);
+Enhance_image=immultiply(gray,mask);
+Enhance_image=mat2gray(Enhance_image);
+figure,ShowImage(Enhance_image,'Enhance Image');
+title('ROI Selection');
+