added problem 3

assignements/Assignement_01/Problem03/sawping_channels.m

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+################################################################################
+#Bioengineering.DIP.Spring2024.BY: Dr.Saleh Hussein.
+#Author: Taha Mahmoud.210100552. email: dr.taha.libya@gmail.com.
+#Date: 31.05.2024
+################################################################################
+#Assignment 01, Problem 03
+#swabing color channels
+# save to output folder
+################################################################################
+clc , clear all , close all
+
+% Step (b): Read the color image and display it
+J1 = imread('lena512color.jpg');
+
+% Display the original color image
+figure;
+imshow(J1);
+title('Original Color Image (J1)');
+
+% Step (c): Initialize the new image J2 and swap the color bands
+J2 = J1;
+
+% Swap the color bands
+J2(:,:,1) = J1(:,:,3); % Red band of J2 = Blue band of J1
+J2(:,:,2) = J1(:,:,1); % Green band of J2 = Red band of J1
+J2(:,:,3) = J1(:,:,2); % Blue band of J2 = Green band of J1
+
+% Display the new image with swapped color bands
+figure;
+subplot(1,2,1);
+imshow(J1);
+title('Original Image (J1) ');
+subplot(1,2,2);
+imshow(J2);
+title('Color Image with Swapped colors (J2)');
+
+% Step (d): Save images to output
+imwrite(J1, './output/lena_original.jpeg');
+imwrite(J2, './output/lena_swapped_colors.jpeg');
+