将两个图像互相叠加。

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Tan on 28 Jun 2021

Commented: Walter Roberson on 1 Jul 2021

Hi, I am quite new to MATLAB and not very familiar with how imregtform, imwarp, and whether I should have used " affine" or "similarity/rigid" 来实现我的目标。

I am trying to superimpose my movingRegistered image directly on top of my fixed image, but this is the outcome that I get :

I can't get my movingRegistered image to translate directly to the top of my fixed image.

Would switching my approach from intensity-based registration to control point registration/feature detection and matching be the better approach?

This is my code that I am currently using:

                         functionmyfunc()
                        
                         clear;
                        
                         clc;
                        
                         cla;
                        
                         closeall
                        
                         fixed = image_resizing(“ test1.1.jpg”);
                        
                         moving = image_resizing("test2.1.JPG");
                        
                         fixed = rgb2gray(fixed);
                        
                         moving = rgb2gray(moving);
                        
                         固定= imresize（固定，0.6，，'AntiAliasing', true);
                        
                         moving = imresize(moving, 0.6,'AntiAliasing',true);
                        
                         [optimizer, metric] = imregconfig('monomodal');
                        
                         optimizer.MinimumStepLength = 5e-6;
                        
                         optimizer.MaximumIterations = 300;
                        
                         tform = imregtform(moving, fixed,'affine', optimizer, metric,“展示式化”，错误的）;
                        
                         movingRegistered = imwarp(moving,tform,'OutputView',imref2d(size(fixed)));
                        
                         imshowpair(fixed, movingRegistered,“缩放”,'joint')
                        
                         end

These are my two images that I would be using :

非常感谢你的帮助！

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Walter Roberson on 1 Jul 2021

In some recent work I was doing, I found that using Phase Correlation worked much better than any of the other ones I tested.

Answers (1)

Bjorn Gustavsson on 1 Jul 2021

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https://de.mathworks.com/matlabcentral/answers/866915-superimpose-two-images-images-images-on-top-each-each-each-other-other#answer_737393

If your images are of equal size you can put them into different RGB-layers. Something like this:

                              合并（：：，：，3）=固定;
                             
                              merged(:,:,1) = movingRegistered;

这应该为您提供固定的图像为蓝色，并将移动为红色。您可能需要检查数据类型（如果两倍，则需要标准化 merged to 0-1).

HTH

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