Transform rotated image to the original image

For solving part of my problem I needed to find the transformation matrix between the rotated image and its original so I told myself why not write the post in my blog about this problem. For this post I am going to show you how we can transform rotated image to the original image. Let’s start:

close all
clear all
%% Input images.
original_lena=imread('image2.jpg');
rotated_lena=imread('lena.jpg');

Detect features in both images and match the features:

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